diff -rupN llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp llvm.patched/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
--- llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp 2013-12-01 04:40:32.000000000 +0000
+++ llvm.patched/lib/CodeGen/TargetLoweringObjectFileImpl.cpp 2014-06-05 10:05:44.455314264 +0100
@@ -36,6 +36,7 @@
#include "llvm/Support/raw_ostream.h"
#include "llvm/Target/Mangler.h"
#include "llvm/Target/TargetMachine.h"
+#include <stdio.h>
using namespace llvm;
using namespace dwarf;
@@ -215,15 +216,21 @@ getExplicitSectionGlobal(const GlobalVal
/// getSectionPrefixForGlobal - Return the section prefix name used by options
/// FunctionsSections and DataSections.
-static const char *getSectionPrefixForGlobal(SectionKind Kind) {
- if (Kind.isText()) return ".text.";
- if (Kind.isReadOnly()) return ".rodata.";
- if (Kind.isBSS()) return ".bss.";
+static const char *getSectionPrefixForGlobal(SectionKind Kind) {
+ extern const char *bssName;
+ extern const char *textName;
+ extern const char *dataName;
+ extern const char *rodataName;
+ static char prefixName[1024];
+
+ if (Kind.isText()) { sprintf(prefixName, "%s.", textName); return prefixName; }
+ if (Kind.isReadOnly()) { sprintf(prefixName, "%s.", rodataName); return prefixName; }
+ if (Kind.isBSS()) { sprintf(prefixName, "%s.", bssName); return prefixName; }
if (Kind.isThreadData()) return ".tdata.";
if (Kind.isThreadBSS()) return ".tbss.";
- if (Kind.isDataNoRel()) return ".data.";
+ if (Kind.isDataNoRel()) { sprintf(prefixName, "%s.", dataName); return prefixName; }
if (Kind.isDataRelLocal()) return ".data.rel.local.";
if (Kind.isDataRel()) return ".data.rel.";
if (Kind.isReadOnlyWithRelLocal()) return ".data.rel.ro.local.";
diff -rupN llvm/lib/MC/MCObjectFileInfo.cpp llvm.patched/lib/MC/MCObjectFileInfo.cpp
--- llvm/lib/MC/MCObjectFileInfo.cpp 2013-11-08 22:14:49.000000000 +0000
+++ llvm.patched/lib/MC/MCObjectFileInfo.cpp 2014-05-29 12:20:23.000000000 +0100
@@ -241,6 +241,11 @@ void MCObjectFileInfo::InitMachOMCObject
TLSExtraDataSection = TLSTLVSection;
}
+const char *bssName = ".bss";
+const char *textName = ".text";
+const char *dataName = ".data";
+const char *rodataName = ".rodata";
+
void MCObjectFileInfo::InitELFMCObjectFileInfo(Triple T) {
if (T.getArch() == Triple::mips ||
T.getArch() == Triple::mipsel)
@@ -342,23 +347,23 @@ void MCObjectFileInfo::InitELFMCObjectFi
// ELF
BSSSection =
- Ctx->getELFSection(".bss", ELF::SHT_NOBITS,
+ Ctx->getELFSection(bssName, ELF::SHT_NOBITS,
ELF::SHF_WRITE | ELF::SHF_ALLOC,
SectionKind::getBSS());
TextSection =
- Ctx->getELFSection(".text", ELF::SHT_PROGBITS,
+ Ctx->getELFSection(textName, ELF::SHT_PROGBITS,
ELF::SHF_EXECINSTR |
ELF::SHF_ALLOC,
SectionKind::getText());
DataSection =
- Ctx->getELFSection(".data", ELF::SHT_PROGBITS,
+ Ctx->getELFSection(dataName, ELF::SHT_PROGBITS,
ELF::SHF_WRITE |ELF::SHF_ALLOC,
SectionKind::getDataRel());
ReadOnlySection =
- Ctx->getELFSection(".rodata", ELF::SHT_PROGBITS,
+ Ctx->getELFSection(rodataName, ELF::SHT_PROGBITS,
ELF::SHF_ALLOC,
SectionKind::getReadOnly());
diff -rupN llvm/lib/Target/ARM/ARM.td llvm.patched/lib/Target/ARM/ARM.td
--- llvm/lib/Target/ARM/ARM.td 2013-11-01 13:27:35.000000000 +0000
+++ llvm.patched/lib/Target/ARM/ARM.td 2014-05-29 12:21:38.000000000 +0100
@@ -282,6 +282,10 @@ def : Processor<"mpcore", ARMV
// V6M Processors.
def : Processor<"cortex-m0", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
FeatureDB, FeatureMClass]>;
+def : Processor<"cortex-m0plus", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
+ FeatureDB, FeatureMClass]>;
+def : Processor<"cortex-m1", ARMV6Itineraries, [HasV6MOps, FeatureNoARM,
+ FeatureDB, FeatureMClass]>;
// V6T2 Processors.
def : Processor<"arm1156t2-s", ARMV6Itineraries, [HasV6T2Ops,
@@ -320,6 +324,19 @@ def : ProcessorModel<"cortex-r5", Cort
FeatureHasRAS, FeatureVFPOnlySP,
FeatureD16, FeatureRClass]>;
+// V7A Processors
+def : ProcessorModel<"cortex-r4", CortexA8Model,
+ [ProcR5, HasV7Ops, FeatureDB,
+ FeatureDSPThumb2,
+ FeatureHasRAS,
+ FeatureRClass]>;
+
+def : ProcessorModel<"cortex-r4f", CortexA8Model,
+ [ProcR5, HasV7Ops, FeatureDB,
+ FeatureVFP3, FeatureDSPThumb2,
+ FeatureHasRAS,
+ FeatureD16, FeatureRClass]>;
+
// V7M Processors.
def : ProcNoItin<"cortex-m3", [HasV7Ops,
FeatureThumb2, FeatureNoARM, FeatureDB,
diff -rupN llvm/tools/clang/include/clang/Driver/CC1Options.td llvm.patched/tools/clang/include/clang/Driver/CC1Options.td
--- llvm/tools/clang/include/clang/Driver/CC1Options.td 2013-11-06 19:31:51.000000000 +0000
+++ llvm.patched/tools/clang/include/clang/Driver/CC1Options.td 2014-05-29 12:22:43.000000000 +0100
@@ -555,4 +555,17 @@ def cl_std_EQ : Joined<["-"], "cl-std=">
def fcuda_is_device : Flag<["-"], "fcuda-is-device">,
HelpText<"Generate code for CUDA device">;
+//===----------------------------------------------------------------------===//
+// Section Naming Options
+//===----------------------------------------------------------------------===//
+
+def mbss_EQ : Joined<["-"], "mbss=">,
+ HelpText<"name the .bss section">;
+def mdata_EQ : Joined<["-"], "mdata=">,
+ HelpText<"name the .data section">;
+def mrodata_EQ : Joined<["-"], "mrodata=">,
+ HelpText<"name the .rodata section">;
+def mtext_EQ : Joined<["-"], "mtext=">,
+ HelpText<"name the .text section">;
+
} // let Flags = [CC1Option]
diff -rupN llvm/tools/clang/lib/Basic/Targets.cpp llvm.patched/tools/clang/lib/Basic/Targets.cpp
--- llvm/tools/clang/lib/Basic/Targets.cpp 2014-04-11 20:36:49.000000000 +0100
+++ llvm.patched/tools/clang/lib/Basic/Targets.cpp 2014-05-29 12:44:36.000000000 +0100
@@ -3841,7 +3841,7 @@ public:
Features["hwdiv"] = true;
Features["hwdiv-arm"] = true;
Features["crc"] = true;
- } else if (CPU == "cortex-r5" || CPU == "cortex-m3" ||
+ } else if (CPU == "cortex-r4" || CPU == "cortex-r4f" || CPU == "cortex-r5" || CPU == "cortex-m3" ||
CPU == "cortex-m4" ||
// Enable the hwdiv extension for all v8a AArch32 cores by
// default.
@@ -3931,11 +3931,11 @@ public:
.Cases("arm1156t2-s", "arm1156t2f-s", "6T2")
.Cases("cortex-a5", "cortex-a7", "cortex-a8", "7A")
.Cases("cortex-a9", "cortex-a12", "cortex-a15", "7A")
- .Cases("cortex-r4", "cortex-r5", "7R")
+ .Cases("cortex-r4", "cortex-r4f", "cortex-r5", "7R")
.Case("cortex-a9-mp", "7F")
.Case("swift", "7S")
.Cases("cortex-m3", "cortex-m4", "7M")
- .Case("cortex-m0", "6M")
+ .Cases("cortex-m0", "cortex-m0plus", "cortex-m1", "6M")
.Cases("cortex-a53", "cortex-a57", "8A")
.Default(0);
}
@@ -3944,7 +3944,7 @@ public:
.Cases("cortex-a5", "cortex-a7", "cortex-a8", "A")
.Cases("cortex-a9", "cortex-a12", "cortex-a15", "A")
.Cases("cortex-a53", "cortex-a57", "A")
- .Cases("cortex-m3", "cortex-m4", "cortex-m0", "M")
+ .Cases("cortex-m3", "cortex-m4", "cortex-m0", "cortex-m0plus", "cortex-m1", "M")
.Cases("cortex-r4", "cortex-r5", "R")
.Default("");
}
diff -rupN llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp llvm.patched/tools/clang/lib/Frontend/CompilerInvocation.cpp
--- llvm/tools/clang/lib/Frontend/CompilerInvocation.cpp 2013-11-18 13:23:07.000000000 +0000
+++ llvm.patched/tools/clang/lib/Frontend/CompilerInvocation.cpp 2014-05-29 12:35:28.000000000 +0100
@@ -1,1828 +1,1846 @@
-//===--- CompilerInvocation.cpp -------------------------------------------===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file is distributed under the University of Illinois Open Source
-// License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-
-#include "clang/Frontend/CompilerInvocation.h"
-#include "clang/Basic/Diagnostic.h"
-#include "clang/Basic/FileManager.h"
-#include "clang/Basic/Version.h"
-#include "clang/Driver/DriverDiagnostic.h"
-#include "clang/Driver/Options.h"
-#include "clang/Driver/Util.h"
-#include "clang/Frontend/LangStandard.h"
-#include "clang/Frontend/Utils.h"
-#include "clang/Lex/HeaderSearchOptions.h"
-#include "clang/Serialization/ASTReader.h"
-#include "llvm/ADT/Hashing.h"
-#include "llvm/ADT/OwningPtr.h"
-#include "llvm/ADT/SmallVector.h"
-#include "llvm/ADT/StringExtras.h"
-#include "llvm/ADT/StringSwitch.h"
-#include "llvm/ADT/Triple.h"
-#include "llvm/Option/Arg.h"
-#include "llvm/Option/ArgList.h"
-#include "llvm/Option/OptTable.h"
-#include "llvm/Option/Option.h"
-#include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/FileSystem.h"
-#include "llvm/Support/Host.h"
-#include "llvm/Support/Path.h"
-#include "llvm/Support/Process.h"
-#include "llvm/Support/system_error.h"
-#include <sys/stat.h>
-using namespace clang;
-
-//===----------------------------------------------------------------------===//
-// Initialization.
-//===----------------------------------------------------------------------===//
-
-CompilerInvocationBase::CompilerInvocationBase()
- : LangOpts(new LangOptions()), TargetOpts(new TargetOptions()),
- DiagnosticOpts(new DiagnosticOptions()),
- HeaderSearchOpts(new HeaderSearchOptions()),
- PreprocessorOpts(new PreprocessorOptions()) {}
-
-CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X)
- : RefCountedBase<CompilerInvocation>(),
- LangOpts(new LangOptions(*X.getLangOpts())),
- TargetOpts(new TargetOptions(X.getTargetOpts())),
- DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())),
- HeaderSearchOpts(new HeaderSearchOptions(X.getHeaderSearchOpts())),
- PreprocessorOpts(new PreprocessorOptions(X.getPreprocessorOpts())) {}
-
-//===----------------------------------------------------------------------===//
-// Deserialization (from args)
-//===----------------------------------------------------------------------===//
-
-using namespace clang::driver;
-using namespace clang::driver::options;
-using namespace llvm::opt;
-
-//
-
-static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
- DiagnosticsEngine &Diags) {
- unsigned DefaultOpt = 0;
- if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
- DefaultOpt = 2;
-
- if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
- if (A->getOption().matches(options::OPT_O0))
- return 0;
-
- if (A->getOption().matches(options::OPT_Ofast))
- return 3;
-
- assert (A->getOption().matches(options::OPT_O));
-
- StringRef S(A->getValue());
- if (S == "s" || S == "z" || S.empty())
- return 2;
-
- return getLastArgIntValue(Args, OPT_O, DefaultOpt, Diags);
- }
-
- return DefaultOpt;
-}
-
-static unsigned getOptimizationLevelSize(ArgList &Args) {
- if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
- if (A->getOption().matches(options::OPT_O)) {
- switch (A->getValue()[0]) {
- default:
- return 0;
- case 's':
- return 1;
- case 'z':
- return 2;
- }
- }
- }
- return 0;
-}
-
-static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) {
- for (arg_iterator I = Args.filtered_begin(OPT_W_Group),
- E = Args.filtered_end(); I != E; ++I) {
- Arg *A = *I;
- // If the argument is a pure flag, add its name (minus the "W" at the beginning)
- // to the warning list. Else, add its value (for the OPT_W case).
- if (A->getOption().getKind() == Option::FlagClass) {
- Warnings.push_back(A->getOption().getName().substr(1));
- } else {
- for (unsigned Idx = 0, End = A->getNumValues();
- Idx < End; ++Idx) {
- StringRef V = A->getValue(Idx);
- // "-Wl," and such are not warning options.
- // FIXME: Should be handled by putting these in separate flags.
- if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,"))
- continue;
-
- Warnings.push_back(V);
- }
- }
- }
-}
-
-static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
- DiagnosticsEngine &Diags) {
- using namespace options;
- bool Success = true;
- if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
- StringRef Name = A->getValue();
- AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
-#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
- .Case(CMDFLAG, NAME##Model)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
- .Default(NumStores);
- if (Value == NumStores) {
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.AnalysisStoreOpt = Value;
- }
- }
-
- if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
- StringRef Name = A->getValue();
- AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
-#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
- .Case(CMDFLAG, NAME##Model)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
- .Default(NumConstraints);
- if (Value == NumConstraints) {
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.AnalysisConstraintsOpt = Value;
- }
- }
-
- if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
- StringRef Name = A->getValue();
- AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
-#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN) \
- .Case(CMDFLAG, PD_##NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
- .Default(NUM_ANALYSIS_DIAG_CLIENTS);
- if (Value == NUM_ANALYSIS_DIAG_CLIENTS) {
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.AnalysisDiagOpt = Value;
- }
- }
-
- if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) {
- StringRef Name = A->getValue();
- AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name)
-#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \
- .Case(CMDFLAG, NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
- .Default(NumPurgeModes);
- if (Value == NumPurgeModes) {
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.AnalysisPurgeOpt = Value;
- }
- }
-
- if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) {
- StringRef Name = A->getValue();
- AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name)
-#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \
- .Case(CMDFLAG, NAME)
-#include "clang/StaticAnalyzer/Core/Analyses.def"
- .Default(NumInliningModes);
- if (Value == NumInliningModes) {
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.InliningMode = Value;
- }
- }
-
- Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
- Opts.visualizeExplodedGraphWithGraphViz =
- Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
- Opts.visualizeExplodedGraphWithUbiGraph =
- Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
- Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted);
- Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
- Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
- Opts.AnalyzeNestedBlocks =
- Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
- Opts.eagerlyAssumeBinOpBifurcation = Args.hasArg(OPT_analyzer_eagerly_assume);
- Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function);
- Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG);
- Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
- Opts.maxBlockVisitOnPath =
- getLastArgIntValue(Args, OPT_analyzer_max_loop, 4, Diags);
- Opts.PrintStats = Args.hasArg(OPT_analyzer_stats);
- Opts.InlineMaxStackDepth =
- getLastArgIntValue(Args, OPT_analyzer_inline_max_stack_depth,
- Opts.InlineMaxStackDepth, Diags);
-
- Opts.CheckersControlList.clear();
- for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker,
- OPT_analyzer_disable_checker),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- A->claim();
- bool enable = (A->getOption().getID() == OPT_analyzer_checker);
- // We can have a list of comma separated checker names, e.g:
- // '-analyzer-checker=cocoa,unix'
- StringRef checkerList = A->getValue();
- SmallVector<StringRef, 4> checkers;
- checkerList.split(checkers, ",");
- for (unsigned i = 0, e = checkers.size(); i != e; ++i)
- Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
- }
-
- // Go through the analyzer configuration options.
- for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- A->claim();
- // We can have a list of comma separated config names, e.g:
- // '-analyzer-config key1=val1,key2=val2'
- StringRef configList = A->getValue();
- SmallVector<StringRef, 4> configVals;
- configList.split(configVals, ",");
- for (unsigned i = 0, e = configVals.size(); i != e; ++i) {
- StringRef key, val;
- llvm::tie(key, val) = configVals[i].split("=");
- if (val.empty()) {
- Diags.Report(SourceLocation(),
- diag::err_analyzer_config_no_value) << configVals[i];
- Success = false;
- break;
- }
- if (val.find('=') != StringRef::npos) {
- Diags.Report(SourceLocation(),
- diag::err_analyzer_config_multiple_values)
- << configVals[i];
- Success = false;
- break;
- }
- Opts.Config[key] = val;
- }
- }
-
- return Success;
-}
-
-static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) {
- Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error);
- Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal);
- return true;
-}
-
-static void ParseCommentArgs(CommentOptions &Opts, ArgList &Args) {
- Opts.BlockCommandNames = Args.getAllArgValues(OPT_fcomment_block_commands);
- Opts.ParseAllComments = Args.hasArg(OPT_fparse_all_comments);
-}
-
-static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
- DiagnosticsEngine &Diags) {
- using namespace options;
- bool Success = true;
-
- Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags);
- // TODO: This could be done in Driver
- unsigned MaxOptLevel = 3;
- if (Opts.OptimizationLevel > MaxOptLevel) {
- // If the optimization level is not supported, fall back on the default optimization
- Diags.Report(diag::warn_drv_optimization_value)
- << Args.getLastArg(OPT_O)->getAsString(Args) << "-O" << MaxOptLevel;
- Opts.OptimizationLevel = MaxOptLevel;
- }
-
- // We must always run at least the always inlining pass.
- Opts.setInlining(
- (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
- : CodeGenOptions::OnlyAlwaysInlining);
- // -fno-inline-functions overrides OptimizationLevel > 1.
- Opts.NoInline = Args.hasArg(OPT_fno_inline);
- Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ?
- CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining());
-
- if (Args.hasArg(OPT_gline_tables_only)) {
- Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly);
- } else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||
- Args.hasArg(OPT_gdwarf_3) || Args.hasArg(OPT_gdwarf_4)) {
- if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true))
- Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo);
- else
- Opts.setDebugInfo(CodeGenOptions::FullDebugInfo);
- }
- Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info);
- Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
- if (Args.hasArg(OPT_gdwarf_2))
- Opts.DwarfVersion = 2;
- else if (Args.hasArg(OPT_gdwarf_3))
- Opts.DwarfVersion = 3;
- else if (Args.hasArg(OPT_gdwarf_4))
- Opts.DwarfVersion = 4;
- else if (Opts.getDebugInfo() != CodeGenOptions::NoDebugInfo)
- // Default Dwarf version is 4 if we are generating debug information.
- Opts.DwarfVersion = 4;
-
- Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
- Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
- Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables);
- Opts.UseRegisterSizedBitfieldAccess = Args.hasArg(
- OPT_fuse_register_sized_bitfield_access);
- Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing);
- Opts.StructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa);
- Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
- Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
- Opts.NoCommon = Args.hasArg(OPT_fno_common);
- Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
- Opts.OptimizeSize = getOptimizationLevelSize(Args);
- Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
- Args.hasArg(OPT_ffreestanding));
- Opts.UnrollLoops =
- Args.hasFlag(OPT_funroll_loops, OPT_fno_unroll_loops,
- (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize));
- Opts.RerollLoops = Args.hasArg(OPT_freroll_loops);
-
- Opts.Autolink = !Args.hasArg(OPT_fno_autolink);
- Opts.SampleProfileFile = Args.getLastArgValue(OPT_fprofile_sample_use_EQ);
- Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
- Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
- Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device);
- Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
- Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
- Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
- Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
- Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
- Opts.DisableFree = Args.hasArg(OPT_disable_free);
- Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls);
- Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
- Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
- Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
- Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
- Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) ||
- Args.hasArg(OPT_cl_finite_math_only)||
- Args.hasArg(OPT_cl_fast_relaxed_math));
- Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) ||
- Args.hasArg(OPT_cl_finite_math_only)||
- Args.hasArg(OPT_cl_fast_relaxed_math));
- Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
- Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
- Opts.NumRegisterParameters = getLastArgIntValue(Args, OPT_mregparm, 0, Diags);
- Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge);
- Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
- Opts.EnableSegmentedStacks = Args.hasArg(OPT_split_stacks);
- Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
- Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
- Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
- Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm);
- Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm);
- Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
- Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums);
- Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) ||
- Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
- Args.hasArg(OPT_cl_fast_relaxed_math);
- Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
- Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
- Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ);
- Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array);
-
- Opts.FunctionSections = Args.hasFlag(OPT_ffunction_sections,
- OPT_fno_function_sections, false);
- Opts.DataSections = Args.hasFlag(OPT_fdata_sections,
- OPT_fno_data_sections, false);
-
- Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);
- Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops);
- Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp);
-
- Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
- Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
- Opts.SanitizeRecover = !Args.hasArg(OPT_fno_sanitize_recover);
-
- Opts.DisableGCov = Args.hasArg(OPT_test_coverage);
- Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
- Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
- if (Opts.EmitGcovArcs || Opts.EmitGcovNotes) {
- Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
- Opts.CoverageExtraChecksum = Args.hasArg(OPT_coverage_cfg_checksum);
- Opts.CoverageNoFunctionNamesInData =
- Args.hasArg(OPT_coverage_no_function_names_in_data);
- if (Args.hasArg(OPT_coverage_version_EQ)) {
- StringRef CoverageVersion = Args.getLastArgValue(OPT_coverage_version_EQ);
- if (CoverageVersion.size() != 4) {
- Diags.Report(diag::err_drv_invalid_value)
- << Args.getLastArg(OPT_coverage_version_EQ)->getAsString(Args)
- << CoverageVersion;
- } else {
- memcpy(Opts.CoverageVersion, CoverageVersion.data(), 4);
- }
- }
- }
-
- Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
- Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
- Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info);
- Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
- Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file);
- Opts.SanitizerBlacklistFile = Args.getLastArgValue(OPT_fsanitize_blacklist);
- Opts.SanitizeMemoryTrackOrigins =
- Args.hasArg(OPT_fsanitize_memory_track_origins);
- Opts.SanitizeAddressZeroBaseShadow =
- Args.hasArg(OPT_fsanitize_address_zero_base_shadow);
- Opts.SanitizeUndefinedTrapOnError =
- Args.hasArg(OPT_fsanitize_undefined_trap_on_error);
- Opts.SSPBufferSize =
- getLastArgIntValue(Args, OPT_stack_protector_buffer_size, 8, Diags);
- Opts.StackRealignment = Args.hasArg(OPT_mstackrealign);
- if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) {
- StringRef Val = A->getValue();
- unsigned StackAlignment = Opts.StackAlignment;
- Val.getAsInteger(10, StackAlignment);
- Opts.StackAlignment = StackAlignment;
- }
-
- if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
- StringRef Name = A->getValue();
- unsigned Method = llvm::StringSwitch<unsigned>(Name)
- .Case("legacy", CodeGenOptions::Legacy)
- .Case("non-legacy", CodeGenOptions::NonLegacy)
- .Case("mixed", CodeGenOptions::Mixed)
- .Default(~0U);
- if (Method == ~0U) {
- Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.setObjCDispatchMethod(
- static_cast<CodeGenOptions::ObjCDispatchMethodKind>(Method));
- }
- }
-
- if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) {
- StringRef Name = A->getValue();
- unsigned Model = llvm::StringSwitch<unsigned>(Name)
- .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel)
- .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel)
- .Case("initial-exec", CodeGenOptions::InitialExecTLSModel)
- .Case("local-exec", CodeGenOptions::LocalExecTLSModel)
- .Default(~0U);
- if (Model == ~0U) {
- Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
- Success = false;
- } else {
- Opts.setDefaultTLSModel(static_cast<CodeGenOptions::TLSModel>(Model));
- }
- }
-
- if (Arg *A = Args.getLastArg(OPT_ffp_contract)) {
- StringRef Val = A->getValue();
- if (Val == "fast")
- Opts.setFPContractMode(CodeGenOptions::FPC_Fast);
- else if (Val == "on")
- Opts.setFPContractMode(CodeGenOptions::FPC_On);
- else if (Val == "off")
- Opts.setFPContractMode(CodeGenOptions::FPC_Off);
- else
- Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
- }
-
- if (Arg *A = Args.getLastArg(OPT_fpcc_struct_return, OPT_freg_struct_return)) {
- if (A->getOption().matches(OPT_fpcc_struct_return)) {
- Opts.setStructReturnConvention(CodeGenOptions::SRCK_OnStack);
- } else {
- assert(A->getOption().matches(OPT_freg_struct_return));
- Opts.setStructReturnConvention(CodeGenOptions::SRCK_InRegs);
- }
- }
-
- Opts.DependentLibraries = Args.getAllArgValues(OPT_dependent_lib);
-
- return Success;
-}
-
-static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
- ArgList &Args) {
- using namespace options;
- Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
- Opts.Targets = Args.getAllArgValues(OPT_MT);
- Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
- Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
- Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
- Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
- Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG);
- Opts.PrintShowIncludes = Args.hasArg(OPT_show_includes);
- Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot);
-}
-
-bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
- DiagnosticsEngine *Diags) {
- using namespace options;
- bool Success = true;
-
- Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file);
- Opts.DiagnosticSerializationFile =
- Args.getLastArgValue(OPT_diagnostic_serialized_file);
- Opts.IgnoreWarnings = Args.hasArg(OPT_w);
- Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
- Opts.Pedantic = Args.hasArg(OPT_pedantic);
- Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
- Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
- Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
- Opts.ShowColumn = Args.hasFlag(OPT_fshow_column,
- OPT_fno_show_column,
- /*Default=*/true);
- Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
- Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
- Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
-
- llvm::sys::Process::UseANSIEscapeCodes(Args.hasArg(OPT_fansi_escape_codes));
-
- // Default behavior is to not to show note include stacks.
- Opts.ShowNoteIncludeStack = false;
- if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack,
- OPT_fno_diagnostics_show_note_include_stack))
- if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack))
- Opts.ShowNoteIncludeStack = true;
-
- StringRef ShowOverloads =
- Args.getLastArgValue(OPT_fshow_overloads_EQ, "all");
- if (ShowOverloads == "best")
- Opts.setShowOverloads(Ovl_Best);
- else if (ShowOverloads == "all")
- Opts.setShowOverloads(Ovl_All);
- else {
- Success = false;
- if (Diags)
- Diags->Report(diag::err_drv_invalid_value)
- << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args)
- << ShowOverloads;
- }
-
- StringRef ShowCategory =
- Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
- if (ShowCategory == "none")
- Opts.ShowCategories = 0;
- else if (ShowCategory == "id")
- Opts.ShowCategories = 1;
- else if (ShowCategory == "name")
- Opts.ShowCategories = 2;
- else {
- Success = false;
- if (Diags)
- Diags->Report(diag::err_drv_invalid_value)
- << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args)
- << ShowCategory;
- }
-
- StringRef Format =
- Args.getLastArgValue(OPT_fdiagnostics_format, "clang");
- if (Format == "clang")
- Opts.setFormat(DiagnosticOptions::Clang);
- else if (Format == "msvc")
- Opts.setFormat(DiagnosticOptions::Msvc);
- else if (Format == "msvc-fallback") {
- Opts.setFormat(DiagnosticOptions::Msvc);
- Opts.CLFallbackMode = true;
- } else if (Format == "vi")
- Opts.setFormat(DiagnosticOptions::Vi);
- else {
- Success = false;
- if (Diags)
- Diags->Report(diag::err_drv_invalid_value)
- << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args)
- << Format;
- }
-
- Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
- Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits);
- Opts.ShowPresumedLoc = !Args.hasArg(OPT_fno_diagnostics_use_presumed_location);
- Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
- Opts.ElideType = !Args.hasArg(OPT_fno_elide_type);
- Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree);
- Opts.ErrorLimit = getLastArgIntValue(Args, OPT_ferror_limit, 0, Diags);
- Opts.MacroBacktraceLimit =
- getLastArgIntValue(Args, OPT_fmacro_backtrace_limit,
- DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
- Opts.TemplateBacktraceLimit = getLastArgIntValue(
- Args, OPT_ftemplate_backtrace_limit,
- DiagnosticOptions::DefaultTemplateBacktraceLimit, Diags);
- Opts.ConstexprBacktraceLimit = getLastArgIntValue(
- Args, OPT_fconstexpr_backtrace_limit,
- DiagnosticOptions::DefaultConstexprBacktraceLimit, Diags);
- Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop,
- DiagnosticOptions::DefaultTabStop, Diags);
- if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
- Opts.TabStop = DiagnosticOptions::DefaultTabStop;
- if (Diags)
- Diags->Report(diag::warn_ignoring_ftabstop_value)
- << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
- }
- Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags);
- addWarningArgs(Args, Opts.Warnings);
-
- return Success;
-}
-
-static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) {
- Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory);
-}
-
-static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
- DiagnosticsEngine &Diags) {
- using namespace options;
- Opts.ProgramAction = frontend::ParseSyntaxOnly;
- if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
- switch (A->getOption().getID()) {
- default:
- llvm_unreachable("Invalid option in group!");
- case OPT_ast_list:
- Opts.ProgramAction = frontend::ASTDeclList; break;
- case OPT_ast_dump:
- Opts.ProgramAction = frontend::ASTDump; break;
- case OPT_ast_print:
- Opts.ProgramAction = frontend::ASTPrint; break;
- case OPT_ast_view:
- Opts.ProgramAction = frontend::ASTView; break;
- case OPT_dump_raw_tokens:
- Opts.ProgramAction = frontend::DumpRawTokens; break;
- case OPT_dump_tokens:
- Opts.ProgramAction = frontend::DumpTokens; break;
- case OPT_S:
- Opts.ProgramAction = frontend::EmitAssembly; break;
- case OPT_emit_llvm_bc:
- Opts.ProgramAction = frontend::EmitBC; break;
- case OPT_emit_html:
- Opts.ProgramAction = frontend::EmitHTML; break;
- case OPT_emit_llvm:
- Opts.ProgramAction = frontend::EmitLLVM; break;
- case OPT_emit_llvm_only:
- Opts.ProgramAction = frontend::EmitLLVMOnly; break;
- case OPT_emit_codegen_only:
- Opts.ProgramAction = frontend::EmitCodeGenOnly; break;
- case OPT_emit_obj:
- Opts.ProgramAction = frontend::EmitObj; break;
- case OPT_fixit_EQ:
- Opts.FixItSuffix = A->getValue();
- // fall-through!
- case OPT_fixit:
- Opts.ProgramAction = frontend::FixIt; break;
- case OPT_emit_module:
- Opts.ProgramAction = frontend::GenerateModule; break;
- case OPT_emit_pch:
- Opts.ProgramAction = frontend::GeneratePCH; break;
- case OPT_emit_pth:
- Opts.ProgramAction = frontend::GeneratePTH; break;
- case OPT_init_only:
- Opts.ProgramAction = frontend::InitOnly; break;
- case OPT_fsyntax_only:
- Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
- case OPT_module_file_info:
- Opts.ProgramAction = frontend::ModuleFileInfo; break;
- case OPT_print_decl_contexts:
- Opts.ProgramAction = frontend::PrintDeclContext; break;
- case OPT_print_preamble:
- Opts.ProgramAction = frontend::PrintPreamble; break;
- case OPT_E:
- Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
- case OPT_rewrite_macros:
- Opts.ProgramAction = frontend::RewriteMacros; break;
- case OPT_rewrite_objc:
- Opts.ProgramAction = frontend::RewriteObjC; break;
- case OPT_rewrite_test:
- Opts.ProgramAction = frontend::RewriteTest; break;
- case OPT_analyze:
- Opts.ProgramAction = frontend::RunAnalysis; break;
- case OPT_migrate:
- Opts.ProgramAction = frontend::MigrateSource; break;
- case OPT_Eonly:
- Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
- }
- }
-
- if (const Arg* A = Args.getLastArg(OPT_plugin)) {
- Opts.Plugins.push_back(A->getValue(0));
- Opts.ProgramAction = frontend::PluginAction;
- Opts.ActionName = A->getValue();
-
- for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
- end = Args.filtered_end(); it != end; ++it) {
- if ((*it)->getValue(0) == Opts.ActionName)
- Opts.PluginArgs.push_back((*it)->getValue(1));
- }
- }
-
- Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
- Opts.AddPluginArgs.resize(Opts.AddPluginActions.size());
- for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
- for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
- end = Args.filtered_end(); it != end; ++it) {
- if ((*it)->getValue(0) == Opts.AddPluginActions[i])
- Opts.AddPluginArgs[i].push_back((*it)->getValue(1));
- }
- }
-
- if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
- Opts.CodeCompletionAt =
- ParsedSourceLocation::FromString(A->getValue());
- if (Opts.CodeCompletionAt.FileName.empty())
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << A->getValue();
- }
- Opts.DisableFree = Args.hasArg(OPT_disable_free);
-
- Opts.OutputFile = Args.getLastArgValue(OPT_o);
- Opts.Plugins = Args.getAllArgValues(OPT_load);
- Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
- Opts.ShowHelp = Args.hasArg(OPT_help);
- Opts.ShowStats = Args.hasArg(OPT_print_stats);
- Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
- Opts.ShowVersion = Args.hasArg(OPT_version);
- Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
- Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
- Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can);
- Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings);
- Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile);
- Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp);
- Opts.ASTDumpFilter = Args.getLastArgValue(OPT_ast_dump_filter);
- Opts.ASTDumpLookups = Args.hasArg(OPT_ast_dump_lookups);
- Opts.UseGlobalModuleIndex = !Args.hasArg(OPT_fno_modules_global_index);
- Opts.GenerateGlobalModuleIndex = Opts.UseGlobalModuleIndex;
-
- Opts.CodeCompleteOpts.IncludeMacros
- = Args.hasArg(OPT_code_completion_macros);
- Opts.CodeCompleteOpts.IncludeCodePatterns
- = Args.hasArg(OPT_code_completion_patterns);
- Opts.CodeCompleteOpts.IncludeGlobals
- = !Args.hasArg(OPT_no_code_completion_globals);
- Opts.CodeCompleteOpts.IncludeBriefComments
- = Args.hasArg(OPT_code_completion_brief_comments);
-
- Opts.OverrideRecordLayoutsFile
- = Args.getLastArgValue(OPT_foverride_record_layout_EQ);
- if (const Arg *A = Args.getLastArg(OPT_arcmt_check,
- OPT_arcmt_modify,
- OPT_arcmt_migrate)) {
- switch (A->getOption().getID()) {
- default:
- llvm_unreachable("missed a case");
- case OPT_arcmt_check:
- Opts.ARCMTAction = FrontendOptions::ARCMT_Check;
- break;
- case OPT_arcmt_modify:
- Opts.ARCMTAction = FrontendOptions::ARCMT_Modify;
- break;
- case OPT_arcmt_migrate:
- Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate;
- break;
- }
- }
- Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory);
- Opts.ARCMTMigrateReportOut
- = Args.getLastArgValue(OPT_arcmt_migrate_report_output);
- Opts.ARCMTMigrateEmitARCErrors
- = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors);
-
- if (Args.hasArg(OPT_objcmt_migrate_literals))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals;
- if (Args.hasArg(OPT_objcmt_migrate_subscripting))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting;
- if (Args.hasArg(OPT_objcmt_migrate_property))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Property;
- if (Args.hasArg(OPT_objcmt_migrate_readonly_property))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadonlyProperty;
- if (Args.hasArg(OPT_objcmt_migrate_readwrite_property))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadwriteProperty;
- if (Args.hasArg(OPT_objcmt_migrate_annotation))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Annotation;
- if (Args.hasArg(OPT_objcmt_returns_innerpointer_property))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReturnsInnerPointerProperty;
- if (Args.hasArg(OPT_objcmt_migrate_instancetype))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Instancetype;
- if (Args.hasArg(OPT_objcmt_migrate_nsmacros))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsMacros;
- if (Args.hasArg(OPT_objcmt_migrate_protocol_conformance))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ProtocolConformance;
- if (Args.hasArg(OPT_objcmt_atomic_property))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_AtomicProperty;
- if (Args.hasArg(OPT_objcmt_ns_nonatomic_iosonly))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsAtomicIOSOnlyProperty;
- if (Args.hasArg(OPT_objcmt_migrate_all))
- Opts.ObjCMTAction |= FrontendOptions::ObjCMT_MigrateDecls;
-
- Opts.ObjCMTWhiteListPath = Args.getLastArgValue(OPT_objcmt_white_list_dir_path);
-
- if (Opts.ARCMTAction != FrontendOptions::ARCMT_None &&
- Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
- Diags.Report(diag::err_drv_argument_not_allowed_with)
- << "ARC migration" << "ObjC migration";
- }
-
- InputKind DashX = IK_None;
- if (const Arg *A = Args.getLastArg(OPT_x)) {
- DashX = llvm::StringSwitch<InputKind>(A->getValue())
- .Case("c", IK_C)
- .Case("cl", IK_OpenCL)
- .Case("cuda", IK_CUDA)
- .Case("c++", IK_CXX)
- .Case("objective-c", IK_ObjC)
- .Case("objective-c++", IK_ObjCXX)
- .Case("cpp-output", IK_PreprocessedC)
- .Case("assembler-with-cpp", IK_Asm)
- .Case("c++-cpp-output", IK_PreprocessedCXX)
- .Case("objective-c-cpp-output", IK_PreprocessedObjC)
- .Case("objc-cpp-output", IK_PreprocessedObjC)
- .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX)
- .Case("objc++-cpp-output", IK_PreprocessedObjCXX)
- .Case("c-header", IK_C)
- .Case("cl-header", IK_OpenCL)
- .Case("objective-c-header", IK_ObjC)
- .Case("c++-header", IK_CXX)
- .Case("objective-c++-header", IK_ObjCXX)
- .Cases("ast", "pcm", IK_AST)
- .Case("ir", IK_LLVM_IR)
- .Default(IK_None);
- if (DashX == IK_None)
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << A->getValue();
- }
-
- // '-' is the default input if none is given.
- std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
- Opts.Inputs.clear();
- if (Inputs.empty())
- Inputs.push_back("-");
- for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
- InputKind IK = DashX;
- if (IK == IK_None) {
- IK = FrontendOptions::getInputKindForExtension(
- StringRef(Inputs[i]).rsplit('.').second);
- // FIXME: Remove this hack.
- if (i == 0)
- DashX = IK;
- }
- Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK));
- }
-
- return DashX;
-}
-
-std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
- void *MainAddr) {
- SmallString<128> P(llvm::sys::fs::getMainExecutable(Argv0, MainAddr));
-
- if (!P.empty()) {
- llvm::sys::path::remove_filename(P); // Remove /clang from foo/bin/clang
- llvm::sys::path::remove_filename(P); // Remove /bin from foo/bin
-
- // Get foo/lib/clang/<version>/include
- llvm::sys::path::append(P, "lib", "clang", CLANG_VERSION_STRING);
- }
-
- return P.str();
-}
-
-static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
- using namespace options;
- Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/");
- Opts.Verbose = Args.hasArg(OPT_v);
- Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
- Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc);
- Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx);
- if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ))
- Opts.UseLibcxx = (strcmp(A->getValue(), "libc++") == 0);
- Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir);
- Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodules_cache_path);
- Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash);
- // -fmodules implies -fmodule-maps
- Opts.ModuleMaps = Args.hasArg(OPT_fmodule_maps) || Args.hasArg(OPT_fmodules);
- Opts.ModuleCachePruneInterval =
- getLastArgIntValue(Args, OPT_fmodules_prune_interval, 7 * 24 * 60 * 60);
- Opts.ModuleCachePruneAfter =
- getLastArgIntValue(Args, OPT_fmodules_prune_after, 31 * 24 * 60 * 60);
- for (arg_iterator it = Args.filtered_begin(OPT_fmodules_ignore_macro),
- ie = Args.filtered_end();
- it != ie; ++it) {
- StringRef MacroDef = (*it)->getValue();
- Opts.ModulesIgnoreMacros.insert(MacroDef.split('=').first);
- }
- std::vector<std::string> ModuleMapFiles =
- Args.getAllArgValues(OPT_fmodule_map_file);
- Opts.ModuleMapFiles.insert(ModuleMapFiles.begin(), ModuleMapFiles.end());
-
- // Add -I..., -F..., and -index-header-map options in order.
- bool IsIndexHeaderMap = false;
- for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F,
- OPT_index_header_map),
- ie = Args.filtered_end(); it != ie; ++it) {
- if ((*it)->getOption().matches(OPT_index_header_map)) {
- // -index-header-map applies to the next -I or -F.
- IsIndexHeaderMap = true;
- continue;
- }
-
- frontend::IncludeDirGroup Group
- = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled;
-
- Opts.AddPath((*it)->getValue(), Group,
- /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true);
- IsIndexHeaderMap = false;
- }
-
- // Add -iprefix/-iwithprefix/-iwithprefixbefore options.
- StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
- for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
- OPT_iwithprefixbefore),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- if (A->getOption().matches(OPT_iprefix))
- Prefix = A->getValue();
- else if (A->getOption().matches(OPT_iwithprefix))
- Opts.AddPath(Prefix.str() + A->getValue(),
- frontend::After, false, true);
- else
- Opts.AddPath(Prefix.str() + A->getValue(),
- frontend::Angled, false, true);
- }
-
- for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::After, false, true);
- for (arg_iterator it = Args.filtered_begin(OPT_iquote),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::Quoted, false, true);
- for (arg_iterator it = Args.filtered_begin(OPT_isystem,
- OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::System, false,
- !(*it)->getOption().matches(OPT_iwithsysroot));
- for (arg_iterator it = Args.filtered_begin(OPT_iframework),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::System, true, true);
-
- // Add the paths for the various language specific isystem flags.
- for (arg_iterator it = Args.filtered_begin(OPT_c_isystem),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::CSystem, false, true);
- for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::CXXSystem, false, true);
- for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::ObjCSystem, false,true);
- for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem),
- ie = Args.filtered_end(); it != ie; ++it)
- Opts.AddPath((*it)->getValue(), frontend::ObjCXXSystem, false, true);
-
- // Add the internal paths from a driver that detects standard include paths.
- for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem,
- OPT_internal_externc_isystem),
- E = Args.filtered_end();
- I != E; ++I) {
- frontend::IncludeDirGroup Group = frontend::System;
- if ((*I)->getOption().matches(OPT_internal_externc_isystem))
- Group = frontend::ExternCSystem;
- Opts.AddPath((*I)->getValue(), Group, false, true);
- }
-
- // Add the path prefixes which are implicitly treated as being system headers.
- for (arg_iterator I = Args.filtered_begin(OPT_isystem_prefix,
- OPT_ino_system_prefix),
- E = Args.filtered_end();
- I != E; ++I)
- Opts.AddSystemHeaderPrefix((*I)->getValue(),
- (*I)->getOption().matches(OPT_isystem_prefix));
-}
-
-void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
- LangStandard::Kind LangStd) {
- // Set some properties which depend solely on the input kind; it would be nice
- // to move these to the language standard, and have the driver resolve the
- // input kind + language standard.
- if (IK == IK_Asm) {
- Opts.AsmPreprocessor = 1;
- } else if (IK == IK_ObjC ||
- IK == IK_ObjCXX ||
- IK == IK_PreprocessedObjC ||
- IK == IK_PreprocessedObjCXX) {
- Opts.ObjC1 = Opts.ObjC2 = 1;
- }
-
- if (LangStd == LangStandard::lang_unspecified) {
- // Based on the base language, pick one.
- switch (IK) {
- case IK_None:
- case IK_AST:
- case IK_LLVM_IR:
- llvm_unreachable("Invalid input kind!");
- case IK_OpenCL:
- LangStd = LangStandard::lang_opencl;
- break;
- case IK_CUDA:
- LangStd = LangStandard::lang_cuda;
- break;
- case IK_Asm:
- case IK_C:
- case IK_PreprocessedC:
- case IK_ObjC:
- case IK_PreprocessedObjC:
- LangStd = LangStandard::lang_gnu99;
- break;
- case IK_CXX:
- case IK_PreprocessedCXX:
- case IK_ObjCXX:
- case IK_PreprocessedObjCXX:
- LangStd = LangStandard::lang_gnucxx98;
- break;
- }
- }
-
- const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
- Opts.LineComment = Std.hasLineComments();
- Opts.C99 = Std.isC99();
- Opts.C11 = Std.isC11();
- Opts.CPlusPlus = Std.isCPlusPlus();
- Opts.CPlusPlus11 = Std.isCPlusPlus11();
- Opts.CPlusPlus1y = Std.isCPlusPlus1y();
- Opts.Digraphs = Std.hasDigraphs();
- Opts.GNUMode = Std.isGNUMode();
- Opts.GNUInline = !Std.isC99();
- Opts.HexFloats = Std.hasHexFloats();
- Opts.ImplicitInt = Std.hasImplicitInt();
-
- // Set OpenCL Version.
- if (LangStd == LangStandard::lang_opencl) {
- Opts.OpenCL = 1;
- Opts.OpenCLVersion = 100;
- }
- else if (LangStd == LangStandard::lang_opencl11) {
- Opts.OpenCL = 1;
- Opts.OpenCLVersion = 110;
- }
- else if (LangStd == LangStandard::lang_opencl12) {
- Opts.OpenCL = 1;
- Opts.OpenCLVersion = 120;
- }
-
- // OpenCL has some additional defaults.
- if (Opts.OpenCL) {
- Opts.AltiVec = 0;
- Opts.CXXOperatorNames = 1;
- Opts.LaxVectorConversions = 0;
- Opts.DefaultFPContract = 1;
- Opts.NativeHalfType = 1;
- }
-
- if (LangStd == LangStandard::lang_cuda)
- Opts.CUDA = 1;
-
- // OpenCL and C++ both have bool, true, false keywords.
- Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
-
- // C++ has wchar_t keyword.
- Opts.WChar = Opts.CPlusPlus;
-
- Opts.GNUKeywords = Opts.GNUMode;
- Opts.CXXOperatorNames = Opts.CPlusPlus;
-
- // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
- // is specified, or -std is set to a conforming mode.
- Opts.Trigraphs = !Opts.GNUMode;
-
- Opts.DollarIdents = !Opts.AsmPreprocessor;
-
- // C++1y onwards has sized global deallocation functions.
- Opts.SizedDeallocation = Opts.CPlusPlus1y;
-}
-
-/// Attempt to parse a visibility value out of the given argument.
-static Visibility parseVisibility(Arg *arg, ArgList &args,
- DiagnosticsEngine &diags) {
- StringRef value = arg->getValue();
- if (value == "default") {
- return DefaultVisibility;
- } else if (value == "hidden") {
- return HiddenVisibility;
- } else if (value == "protected") {
- // FIXME: diagnose if target does not support protected visibility
- return ProtectedVisibility;
- }
-
- diags.Report(diag::err_drv_invalid_value)
- << arg->getAsString(args) << value;
- return DefaultVisibility;
-}
-
-static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
- DiagnosticsEngine &Diags) {
- // FIXME: Cleanup per-file based stuff.
- LangStandard::Kind LangStd = LangStandard::lang_unspecified;
- if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
- LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue())
-#define LANGSTANDARD(id, name, desc, features) \
- .Case(name, LangStandard::lang_##id)
-#include "clang/Frontend/LangStandards.def"
- .Default(LangStandard::lang_unspecified);
- if (LangStd == LangStandard::lang_unspecified)
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << A->getValue();
- else {
- // Valid standard, check to make sure language and standard are compatable.
- const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
- switch (IK) {
- case IK_C:
- case IK_ObjC:
- case IK_PreprocessedC:
- case IK_PreprocessedObjC:
- if (!(Std.isC89() || Std.isC99()))
- Diags.Report(diag::err_drv_argument_not_allowed_with)
- << A->getAsString(Args) << "C/ObjC";
- break;
- case IK_CXX:
- case IK_ObjCXX:
- case IK_PreprocessedCXX:
- case IK_PreprocessedObjCXX:
- if (!Std.isCPlusPlus())
- Diags.Report(diag::err_drv_argument_not_allowed_with)
- << A->getAsString(Args) << "C++/ObjC++";
- break;
- case IK_OpenCL:
- if (!Std.isC99())
- Diags.Report(diag::err_drv_argument_not_allowed_with)
- << A->getAsString(Args) << "OpenCL";
- break;
- case IK_CUDA:
- if (!Std.isCPlusPlus())
- Diags.Report(diag::err_drv_argument_not_allowed_with)
- << A->getAsString(Args) << "CUDA";
- break;
- default:
- break;
- }
- }
- }
-
- // -cl-std only applies for OpenCL language standards.
- // Override the -std option in this case.
- if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
- LangStandard::Kind OpenCLLangStd
- = llvm::StringSwitch<LangStandard::Kind>(A->getValue())
- .Case("CL", LangStandard::lang_opencl)
- .Case("CL1.1", LangStandard::lang_opencl11)
- .Case("CL1.2", LangStandard::lang_opencl12)
- .Default(LangStandard::lang_unspecified);
-
- if (OpenCLLangStd == LangStandard::lang_unspecified) {
- Diags.Report(diag::err_drv_invalid_value)
- << A->getAsString(Args) << A->getValue();
- }
- else
- LangStd = OpenCLLangStd;
- }
-
- CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
-
- // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
- // keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
- // while a subset (the non-C++ GNU keywords) is provided by GCC's
- // '-fgnu-keywords'. Clang conflates the two for simplicity under the single
- // name, as it doesn't seem a useful distinction.
- Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords,
- Opts.GNUKeywords);
-
- if (Args.hasArg(OPT_fno_operator_names))
- Opts.CXXOperatorNames = 0;
-
- if (Opts.ObjC1) {
- if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) {
- StringRef value = arg->getValue();
- if (Opts.ObjCRuntime.tryParse(value))
- Diags.Report(diag::err_drv_unknown_objc_runtime) << value;
- }
-
- if (Args.hasArg(OPT_fobjc_gc_only))
- Opts.setGC(LangOptions::GCOnly);
- else if (Args.hasArg(OPT_fobjc_gc))
- Opts.setGC(LangOptions::HybridGC);
- else if (Args.hasArg(OPT_fobjc_arc)) {
- Opts.ObjCAutoRefCount = 1;
- if (!Opts.ObjCRuntime.allowsARC())
- Diags.Report(diag::err_arc_unsupported_on_runtime);
-
- // Only set ObjCARCWeak if ARC is enabled.
- if (Args.hasArg(OPT_fobjc_runtime_has_weak))
- Opts.ObjCARCWeak = 1;
- else
- Opts.ObjCARCWeak = Opts.ObjCRuntime.allowsWeak();
- }
-
- if (Args.hasArg(OPT_fno_objc_infer_related_result_type))
- Opts.ObjCInferRelatedResultType = 0;
-
- if (Args.hasArg(OPT_fobjc_subscripting_legacy_runtime))
- Opts.ObjCSubscriptingLegacyRuntime =
- (Opts.ObjCRuntime.getKind() == ObjCRuntime::FragileMacOSX);
- }
-
- if (Args.hasArg(OPT_fgnu89_inline))
- Opts.GNUInline = 1;
-
- if (Args.hasArg(OPT_fapple_kext)) {
- if (!Opts.CPlusPlus)
- Diags.Report(diag::warn_c_kext);
- else
- Opts.AppleKext = 1;
- }
-
- if (Args.hasArg(OPT_print_ivar_layout))
- Opts.ObjCGCBitmapPrint = 1;
- if (Args.hasArg(OPT_fno_constant_cfstrings))
- Opts.NoConstantCFStrings = 1;
-
- if (Args.hasArg(OPT_faltivec))
- Opts.AltiVec = 1;
-
- if (Args.hasArg(OPT_pthread))
- Opts.POSIXThreads = 1;
-
- // The value-visibility mode defaults to "default".
- if (Arg *visOpt = Args.getLastArg(OPT_fvisibility)) {
- Opts.setValueVisibilityMode(parseVisibility(visOpt, Args, Diags));
- } else {
- Opts.setValueVisibilityMode(DefaultVisibility);
- }
-
- // The type-visibility mode defaults to the value-visibility mode.
- if (Arg *typeVisOpt = Args.getLastArg(OPT_ftype_visibility)) {
- Opts.setTypeVisibilityMode(parseVisibility(typeVisOpt, Args, Diags));
- } else {
- Opts.setTypeVisibilityMode(Opts.getValueVisibilityMode());
- }
-
- if (Args.hasArg(OPT_fvisibility_inlines_hidden))
- Opts.InlineVisibilityHidden = 1;
-
- if (Args.hasArg(OPT_ftrapv)) {
- Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
- // Set the handler, if one is specified.
- Opts.OverflowHandler =
- Args.getLastArgValue(OPT_ftrapv_handler);
- }
- else if (Args.hasArg(OPT_fwrapv))
- Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined);
-
- if (Args.hasArg(OPT_trigraphs))
- Opts.Trigraphs = 1;
-
- Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
- OPT_fno_dollars_in_identifiers,
- Opts.DollarIdents);
- Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
- Opts.MicrosoftExt
- = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility);
- Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility);
- Opts.AsmBlocks = Args.hasArg(OPT_fasm_blocks) || Opts.MicrosoftExt;
- Opts.MSCVersion = getLastArgIntValue(Args, OPT_fmsc_version, 0, Diags);
- Opts.Borland = Args.hasArg(OPT_fborland_extensions);
- Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
- Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings,
- Opts.ConstStrings);
- if (Args.hasArg(OPT_fno_lax_vector_conversions))
- Opts.LaxVectorConversions = 0;
- if (Args.hasArg(OPT_fno_threadsafe_statics))
- Opts.ThreadsafeStatics = 0;
- Opts.Exceptions = Args.hasArg(OPT_fexceptions);
- Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
- Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
- Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
- Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
-
- Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
- Opts.Blocks = Args.hasArg(OPT_fblocks);
- Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional);
- Opts.Modules = Args.hasArg(OPT_fmodules);
- Opts.ModulesDeclUse = Args.hasArg(OPT_fmodules_decluse);
- Opts.CharIsSigned = Opts.OpenCL || !Args.hasArg(OPT_fno_signed_char);
- Opts.WChar = Opts.CPlusPlus && !Args.hasArg(OPT_fno_wchar);
- Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
- Opts.ShortEnums = Args.hasArg(OPT_fshort_enums);
- Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
- Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
- Opts.NoMathBuiltin = Args.hasArg(OPT_fno_math_builtin);
- Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
- Opts.SizedDeallocation |= Args.hasArg(OPT_fsized_deallocation);
- Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
- Opts.AccessControl = !Args.hasArg(OPT_fno_access_control);
- Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
- Opts.MathErrno = !Opts.OpenCL && Args.hasArg(OPT_fmath_errno);
- Opts.InstantiationDepth =
- getLastArgIntValue(Args, OPT_ftemplate_depth, 256, Diags);
- Opts.ArrowDepth =
- getLastArgIntValue(Args, OPT_foperator_arrow_depth, 256, Diags);
- Opts.ConstexprCallDepth =
- getLastArgIntValue(Args, OPT_fconstexpr_depth, 512, Diags);
- Opts.ConstexprStepLimit =
- getLastArgIntValue(Args, OPT_fconstexpr_steps, 1048576, Diags);
- Opts.BracketDepth = getLastArgIntValue(Args, OPT_fbracket_depth, 256, Diags);
- Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing);
- Opts.NumLargeByValueCopy =
- getLastArgIntValue(Args, OPT_Wlarge_by_value_copy_EQ, 0, Diags);
- Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields);
- Opts.ObjCConstantStringClass =
- Args.getLastArgValue(OPT_fconstant_string_class);
- Opts.ObjCDefaultSynthProperties =
- !Args.hasArg(OPT_disable_objc_default_synthesize_properties);
- Opts.EncodeExtendedBlockSig =
- Args.hasArg(OPT_fencode_extended_block_signature);
- Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
- Opts.PackStruct = getLastArgIntValue(Args, OPT_fpack_struct_EQ, 0, Diags);
- Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
- Opts.PIELevel = getLastArgIntValue(Args, OPT_pie_level, 0, Diags);
- Opts.Static = Args.hasArg(OPT_static_define);
- Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple);
- Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple
- || Args.hasArg(OPT_fdump_record_layouts);
- Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
- Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking);
- Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
- Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
- Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math);
- Opts.MRTD = Args.hasArg(OPT_mrtd);
- Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat);
- Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map);
- Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype);
- Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support);
- Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id);
- Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal);
- Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack);
- Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name);
-
- if (Arg *A = Args.getLastArg(OPT_faddress_space_map_mangling_EQ)) {
- switch (llvm::StringSwitch<unsigned>(A->getValue())
- .Case("target", LangOptions::ASMM_Target)
- .Case("no", LangOptions::ASMM_Off)
- .Case("yes", LangOptions::ASMM_On)
- .Default(255)) {
- default:
- Diags.Report(diag::err_drv_invalid_value)
- << "-faddress-space-map-mangling=" << A->getValue();
- break;
- case LangOptions::ASMM_Target:
- Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Target);
- break;
- case LangOptions::ASMM_On:
- Opts.setAddressSpaceMapMangling(LangOptions::ASMM_On);
- break;
- case LangOptions::ASMM_Off:
- Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Off);
- break;
- }
- }
-
- // Check if -fopenmp is specified.
- Opts.OpenMP = Args.hasArg(OPT_fopenmp);
-
- // Record whether the __DEPRECATED define was requested.
- Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro,
- OPT_fno_deprecated_macro,
- Opts.Deprecated);
-
- // FIXME: Eliminate this dependency.
- unsigned Opt = getOptimizationLevel(Args, IK, Diags),
- OptSize = getOptimizationLevelSize(Args);
- Opts.Optimize = Opt != 0;
- Opts.OptimizeSize = OptSize != 0;
-
- // This is the __NO_INLINE__ define, which just depends on things like the
- // optimization level and -fno-inline, not actually whether the backend has
- // inlining enabled.
- Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline);
-
- Opts.FastMath = Args.hasArg(OPT_ffast_math);
- Opts.FiniteMathOnly = Args.hasArg(OPT_ffinite_math_only);
-
- Opts.RetainCommentsFromSystemHeaders =
- Args.hasArg(OPT_fretain_comments_from_system_headers);
-
- unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags);
- switch (SSP) {
- default:
- Diags.Report(diag::err_drv_invalid_value)
- << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
- break;
- case 0: Opts.setStackProtector(LangOptions::SSPOff); break;
- case 1: Opts.setStackProtector(LangOptions::SSPOn); break;
- case 2: Opts.setStackProtector(LangOptions::SSPReq); break;
- }
-
- // Parse -fsanitize= arguments.
- std::vector<std::string> Sanitizers = Args.getAllArgValues(OPT_fsanitize_EQ);
- for (unsigned I = 0, N = Sanitizers.size(); I != N; ++I) {
- // Since the Opts.Sanitize* values are bitfields, it's a little tricky to
- // efficiently map string values to them. Perform the mapping indirectly:
- // convert strings to enumerated values, then switch over the enum to set
- // the right bitfield value.
- enum Sanitizer {
-#define SANITIZER(NAME, ID) \
- ID,
-#include "clang/Basic/Sanitizers.def"
- Unknown
- };
- switch (llvm::StringSwitch<unsigned>(Sanitizers[I])
-#define SANITIZER(NAME, ID) \
- .Case(NAME, ID)
-#include "clang/Basic/Sanitizers.def"
- .Default(Unknown)) {
-#define SANITIZER(NAME, ID) \
- case ID: \
- Opts.Sanitize.ID = true; \
- break;
-#include "clang/Basic/Sanitizers.def"
-
- case Unknown:
- Diags.Report(diag::err_drv_invalid_value)
- << "-fsanitize=" << Sanitizers[I];
- break;
- }
- }
-}
-
-static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
- FileManager &FileMgr,
- DiagnosticsEngine &Diags) {
- using namespace options;
- Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch);
- Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth);
- if (const Arg *A = Args.getLastArg(OPT_token_cache))
- Opts.TokenCache = A->getValue();
- else
- Opts.TokenCache = Opts.ImplicitPTHInclude;
- Opts.UsePredefines = !Args.hasArg(OPT_undef);
- Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
- Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
-
- Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
- for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue());
- }
-
- if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
- StringRef Value(A->getValue());
- size_t Comma = Value.find(',');
- unsigned Bytes = 0;
- unsigned EndOfLine = 0;
-
- if (Comma == StringRef::npos ||
- Value.substr(0, Comma).getAsInteger(10, Bytes) ||
- Value.substr(Comma + 1).getAsInteger(10, EndOfLine))
- Diags.Report(diag::err_drv_preamble_format);
- else {
- Opts.PrecompiledPreambleBytes.first = Bytes;
- Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0);
- }
- }
-
- // Add macros from the command line.
- for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
- ie = Args.filtered_end(); it != ie; ++it) {
- if ((*it)->getOption().matches(OPT_D))
- Opts.addMacroDef((*it)->getValue());
- else
- Opts.addMacroUndef((*it)->getValue());
- }
-
- Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros);
-
- // Add the ordered list of -includes.
- for (arg_iterator it = Args.filtered_begin(OPT_include),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- Opts.Includes.push_back(A->getValue());
- }
-
- for (arg_iterator it = Args.filtered_begin(OPT_chain_include),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- Opts.ChainedIncludes.push_back(A->getValue());
- }
-
- // Include 'altivec.h' if -faltivec option present
- if (Args.hasArg(OPT_faltivec))
- Opts.Includes.push_back("altivec.h");
-
- for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
- ie = Args.filtered_end(); it != ie; ++it) {
- const Arg *A = *it;
- std::pair<StringRef,StringRef> Split =
- StringRef(A->getValue()).split(';');
-
- if (Split.second.empty()) {
- Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args);
- continue;
- }
-
- Opts.addRemappedFile(Split.first, Split.second);
- }
-
- if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) {
- StringRef Name = A->getValue();
- unsigned Library = llvm::StringSwitch<unsigned>(Name)
- .Case("libc++", ARCXX_libcxx)
- .Case("libstdc++", ARCXX_libstdcxx)
- .Case("none", ARCXX_nolib)
- .Default(~0U);
- if (Library == ~0U)
- Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
- else
- Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library;
- }
-}
-
-static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
- ArgList &Args,
- frontend::ActionKind Action) {
- using namespace options;
-
- switch (Action) {
- case frontend::ASTDeclList:
- case frontend::ASTDump:
- case frontend::ASTPrint:
- case frontend::ASTView:
- case frontend::EmitAssembly:
- case frontend::EmitBC:
- case frontend::EmitHTML:
- case frontend::EmitLLVM:
- case frontend::EmitLLVMOnly:
- case frontend::EmitCodeGenOnly:
- case frontend::EmitObj:
- case frontend::FixIt:
- case frontend::GenerateModule:
- case frontend::GeneratePCH:
- case frontend::GeneratePTH:
- case frontend::ParseSyntaxOnly:
- case frontend::ModuleFileInfo:
- case frontend::PluginAction:
- case frontend::PrintDeclContext:
- case frontend::RewriteObjC:
- case frontend::RewriteTest:
- case frontend::RunAnalysis:
- case frontend::MigrateSource:
- Opts.ShowCPP = 0;
- break;
-
- case frontend::DumpRawTokens:
- case frontend::DumpTokens:
- case frontend::InitOnly:
- case frontend::PrintPreamble:
- case frontend::PrintPreprocessedInput:
- case frontend::RewriteMacros:
- case frontend::RunPreprocessorOnly:
- Opts.ShowCPP = !Args.hasArg(OPT_dM);
- break;
- }
-
- Opts.ShowComments = Args.hasArg(OPT_C);
- Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
- Opts.ShowMacroComments = Args.hasArg(OPT_CC);
- Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
- Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes);
-}
-
-static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
- using namespace options;
- Opts.ABI = Args.getLastArgValue(OPT_target_abi);
- Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi);
- Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
- Opts.FPMath = Args.getLastArgValue(OPT_mfpmath);
- Opts.FeaturesAsWritten = Args.getAllArgValues(OPT_target_feature);
- Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version);
- Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
-
- // Use the default target triple if unspecified.
- if (Opts.Triple.empty())
- Opts.Triple = llvm::sys::getDefaultTargetTriple();
-}
-
-//
-
-bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
- const char *const *ArgBegin,
- const char *const *ArgEnd,
- DiagnosticsEngine &Diags) {
- bool Success = true;
-
- // Parse the arguments.
- OwningPtr<OptTable> Opts(createDriverOptTable());
- const unsigned IncludedFlagsBitmask = options::CC1Option;
- unsigned MissingArgIndex, MissingArgCount;
- OwningPtr<InputArgList> Args(
- Opts->ParseArgs(ArgBegin, ArgEnd, MissingArgIndex, MissingArgCount,
- IncludedFlagsBitmask));
-
- // Check for missing argument error.
- if (MissingArgCount) {
- Diags.Report(diag::err_drv_missing_argument)
- << Args->getArgString(MissingArgIndex) << MissingArgCount;
- Success = false;
- }
-
- // Issue errors on unknown arguments.
- for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
- ie = Args->filtered_end(); it != ie; ++it) {
- Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args);
- Success = false;
- }
-
- Success = ParseAnalyzerArgs(*Res.getAnalyzerOpts(), *Args, Diags) && Success;
- Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success;
- ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
- Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags)
- && Success;
- ParseCommentArgs(Res.getLangOpts()->CommentOpts, *Args);
- ParseFileSystemArgs(Res.getFileSystemOpts(), *Args);
- // FIXME: We shouldn't have to pass the DashX option around here
- InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
- Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags)
- && Success;
- ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
- if (DashX != IK_AST && DashX != IK_LLVM_IR) {
- ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags);
- if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
- Res.getLangOpts()->ObjCExceptions = 1;
- }
- // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of
- // PCH file and find the original header name. Remove the need to do that in
- // ParsePreprocessorArgs and remove the FileManager
- // parameters from the function and the "FileManager.h" #include.
- FileManager FileMgr(Res.getFileSystemOpts());
- ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags);
- ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args,
- Res.getFrontendOpts().ProgramAction);
- ParseTargetArgs(Res.getTargetOpts(), *Args);
-
- return Success;
-}
-
-namespace {
-
- class ModuleSignature {
- SmallVector<uint64_t, 16> Data;
- unsigned CurBit;
- uint64_t CurValue;
-
- public:
- ModuleSignature() : CurBit(0), CurValue(0) { }
-
- void add(uint64_t Value, unsigned Bits);
- void add(StringRef Value);
- void flush();
-
- llvm::APInt getAsInteger() const;
- };
-}
-
-void ModuleSignature::add(uint64_t Value, unsigned int NumBits) {
- CurValue |= Value << CurBit;
- if (CurBit + NumBits < 64) {
- CurBit += NumBits;
- return;
- }
-
- // Add the current word.
- Data.push_back(CurValue);
-
- if (CurBit)
- CurValue = Value >> (64-CurBit);
- else
- CurValue = 0;
- CurBit = (CurBit+NumBits) & 63;
-}
-
-void ModuleSignature::flush() {
- if (CurBit == 0)
- return;
-
- Data.push_back(CurValue);
- CurBit = 0;
- CurValue = 0;
-}
-
-void ModuleSignature::add(StringRef Value) {
- for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I)
- add(*I, 8);
-}
-
-llvm::APInt ModuleSignature::getAsInteger() const {
- return llvm::APInt(Data.size() * 64, Data);
-}
-
-std::string CompilerInvocation::getModuleHash() const {
- // Note: For QoI reasons, the things we use as a hash here should all be
- // dumped via the -module-info flag.
- using llvm::hash_code;
- using llvm::hash_value;
- using llvm::hash_combine;
-
- // Start the signature with the compiler version.
- // FIXME: We'd rather use something more cryptographically sound than
- // CityHash, but this will do for now.
- hash_code code = hash_value(getClangFullRepositoryVersion());
-
- // Extend the signature with the language options
-#define LANGOPT(Name, Bits, Default, Description) \
- code = hash_combine(code, LangOpts->Name);
-#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
- code = hash_combine(code, static_cast<unsigned>(LangOpts->get##Name()));
-#define BENIGN_LANGOPT(Name, Bits, Default, Description)
-#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
-#include "clang/Basic/LangOptions.def"
-
- // Extend the signature with the target options.
- code = hash_combine(code, TargetOpts->Triple, TargetOpts->CPU,
- TargetOpts->ABI, TargetOpts->CXXABI,
- TargetOpts->LinkerVersion);
- for (unsigned i = 0, n = TargetOpts->FeaturesAsWritten.size(); i != n; ++i)
- code = hash_combine(code, TargetOpts->FeaturesAsWritten[i]);
-
- // Extend the signature with preprocessor options.
- const PreprocessorOptions &ppOpts = getPreprocessorOpts();
- const HeaderSearchOptions &hsOpts = getHeaderSearchOpts();
- code = hash_combine(code, ppOpts.UsePredefines, ppOpts.DetailedRecord);
-
- std::vector<StringRef> MacroDefs;
- for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator
- I = getPreprocessorOpts().Macros.begin(),
- IEnd = getPreprocessorOpts().Macros.end();
- I != IEnd; ++I) {
- // If we're supposed to ignore this macro for the purposes of modules,
- // don't put it into the hash.
- if (!hsOpts.ModulesIgnoreMacros.empty()) {
- // Check whether we're ignoring this macro.
- StringRef MacroDef = I->first;
- if (hsOpts.ModulesIgnoreMacros.count(MacroDef.split('=').first))
- continue;
- }
-
- code = hash_combine(code, I->first, I->second);
- }
-
- // Extend the signature with the sysroot.
- code = hash_combine(code, hsOpts.Sysroot, hsOpts.UseBuiltinIncludes,
- hsOpts.UseStandardSystemIncludes,
- hsOpts.UseStandardCXXIncludes,
- hsOpts.UseLibcxx);
-
- // Darwin-specific hack: if we have a sysroot, use the contents and
- // modification time of
- // $sysroot/System/Library/CoreServices/SystemVersion.plist
- // as part of the module hash.
- if (!hsOpts.Sysroot.empty()) {
- llvm::OwningPtr<llvm::MemoryBuffer> buffer;
- SmallString<128> systemVersionFile;
- systemVersionFile += hsOpts.Sysroot;
- llvm::sys::path::append(systemVersionFile, "System");
- llvm::sys::path::append(systemVersionFile, "Library");
- llvm::sys::path::append(systemVersionFile, "CoreServices");
- llvm::sys::path::append(systemVersionFile, "SystemVersion.plist");
- if (!llvm::MemoryBuffer::getFile(systemVersionFile.str(), buffer)) {
- code = hash_combine(code, buffer.get()->getBuffer());
-
- struct stat statBuf;
- if (stat(systemVersionFile.c_str(), &statBuf) == 0)
- code = hash_combine(code, statBuf.st_mtime);
- }
- }
-
- return llvm::APInt(64, code).toString(36, /*Signed=*/false);
-}
-
-namespace clang {
-
-// Declared in clang/Frontend/Utils.h.
-int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default,
- DiagnosticsEngine *Diags) {
- int Res = Default;
- if (Arg *A = Args.getLastArg(Id)) {
- if (StringRef(A->getValue()).getAsInteger(10, Res)) {
- if (Diags)
- Diags->Report(diag::err_drv_invalid_int_value) << A->getAsString(Args)
- << A->getValue();
- }
- }
- return Res;
-}
-}
+//===--- CompilerInvocation.cpp -------------------------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "clang/Frontend/CompilerInvocation.h"
+#include "clang/Basic/Diagnostic.h"
+#include "clang/Basic/FileManager.h"
+#include "clang/Basic/Version.h"
+#include "clang/Driver/DriverDiagnostic.h"
+#include "clang/Driver/Options.h"
+#include "clang/Driver/Util.h"
+#include "clang/Frontend/LangStandard.h"
+#include "clang/Frontend/Utils.h"
+#include "clang/Lex/HeaderSearchOptions.h"
+#include "clang/Serialization/ASTReader.h"
+#include "llvm/ADT/Hashing.h"
+#include "llvm/ADT/OwningPtr.h"
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringExtras.h"
+#include "llvm/ADT/StringSwitch.h"
+#include "llvm/ADT/Triple.h"
+#include "llvm/Option/Arg.h"
+#include "llvm/Option/ArgList.h"
+#include "llvm/Option/OptTable.h"
+#include "llvm/Option/Option.h"
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Support/FileSystem.h"
+#include "llvm/Support/Host.h"
+#include "llvm/Support/Path.h"
+#include "llvm/Support/Process.h"
+#include "llvm/Support/system_error.h"
+#include <sys/stat.h>
+using namespace clang;
+
+//===----------------------------------------------------------------------===//
+// Initialization.
+//===----------------------------------------------------------------------===//
+
+CompilerInvocationBase::CompilerInvocationBase()
+ : LangOpts(new LangOptions()), TargetOpts(new TargetOptions()),
+ DiagnosticOpts(new DiagnosticOptions()),
+ HeaderSearchOpts(new HeaderSearchOptions()),
+ PreprocessorOpts(new PreprocessorOptions()) {}
+
+CompilerInvocationBase::CompilerInvocationBase(const CompilerInvocationBase &X)
+ : RefCountedBase<CompilerInvocation>(),
+ LangOpts(new LangOptions(*X.getLangOpts())),
+ TargetOpts(new TargetOptions(X.getTargetOpts())),
+ DiagnosticOpts(new DiagnosticOptions(X.getDiagnosticOpts())),
+ HeaderSearchOpts(new HeaderSearchOptions(X.getHeaderSearchOpts())),
+ PreprocessorOpts(new PreprocessorOptions(X.getPreprocessorOpts())) {}
+
+//===----------------------------------------------------------------------===//
+// Deserialization (from args)
+//===----------------------------------------------------------------------===//
+
+using namespace clang::driver;
+using namespace clang::driver::options;
+using namespace llvm::opt;
+
+//
+
+static unsigned getOptimizationLevel(ArgList &Args, InputKind IK,
+ DiagnosticsEngine &Diags) {
+ unsigned DefaultOpt = 0;
+ if (IK == IK_OpenCL && !Args.hasArg(OPT_cl_opt_disable))
+ DefaultOpt = 2;
+
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
+ if (A->getOption().matches(options::OPT_O0))
+ return 0;
+
+ if (A->getOption().matches(options::OPT_Ofast))
+ return 3;
+
+ assert (A->getOption().matches(options::OPT_O));
+
+ StringRef S(A->getValue());
+ if (S == "s" || S == "z" || S.empty())
+ return 2;
+
+ return getLastArgIntValue(Args, OPT_O, DefaultOpt, Diags);
+ }
+
+ return DefaultOpt;
+}
+
+static unsigned getOptimizationLevelSize(ArgList &Args) {
+ if (Arg *A = Args.getLastArg(options::OPT_O_Group)) {
+ if (A->getOption().matches(options::OPT_O)) {
+ switch (A->getValue()[0]) {
+ default:
+ return 0;
+ case 's':
+ return 1;
+ case 'z':
+ return 2;
+ }
+ }
+ }
+ return 0;
+}
+
+static void addWarningArgs(ArgList &Args, std::vector<std::string> &Warnings) {
+ for (arg_iterator I = Args.filtered_begin(OPT_W_Group),
+ E = Args.filtered_end(); I != E; ++I) {
+ Arg *A = *I;
+ // If the argument is a pure flag, add its name (minus the "W" at the beginning)
+ // to the warning list. Else, add its value (for the OPT_W case).
+ if (A->getOption().getKind() == Option::FlagClass) {
+ Warnings.push_back(A->getOption().getName().substr(1));
+ } else {
+ for (unsigned Idx = 0, End = A->getNumValues();
+ Idx < End; ++Idx) {
+ StringRef V = A->getValue(Idx);
+ // "-Wl," and such are not warning options.
+ // FIXME: Should be handled by putting these in separate flags.
+ if (V.startswith("l,") || V.startswith("a,") || V.startswith("p,"))
+ continue;
+
+ Warnings.push_back(V);
+ }
+ }
+ }
+}
+
+extern const char *bssName;
+extern const char *textName;
+extern const char *dataName;
+extern const char *rodataName;
+
+static bool ParseAnalyzerArgs(AnalyzerOptions &Opts, ArgList &Args,
+ DiagnosticsEngine &Diags) {
+ using namespace options;
+ bool Success = true;
+ if (Arg *A = Args.getLastArg(OPT_analyzer_store)) {
+ StringRef Name = A->getValue();
+ AnalysisStores Value = llvm::StringSwitch<AnalysisStores>(Name)
+#define ANALYSIS_STORE(NAME, CMDFLAG, DESC, CREATFN) \
+ .Case(CMDFLAG, NAME##Model)
+#include "clang/StaticAnalyzer/Core/Analyses.def"
+ .Default(NumStores);
+ if (Value == NumStores) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.AnalysisStoreOpt = Value;
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_constraints)) {
+ StringRef Name = A->getValue();
+ AnalysisConstraints Value = llvm::StringSwitch<AnalysisConstraints>(Name)
+#define ANALYSIS_CONSTRAINTS(NAME, CMDFLAG, DESC, CREATFN) \
+ .Case(CMDFLAG, NAME##Model)
+#include "clang/StaticAnalyzer/Core/Analyses.def"
+ .Default(NumConstraints);
+ if (Value == NumConstraints) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.AnalysisConstraintsOpt = Value;
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_output)) {
+ StringRef Name = A->getValue();
+ AnalysisDiagClients Value = llvm::StringSwitch<AnalysisDiagClients>(Name)
+#define ANALYSIS_DIAGNOSTICS(NAME, CMDFLAG, DESC, CREATFN) \
+ .Case(CMDFLAG, PD_##NAME)
+#include "clang/StaticAnalyzer/Core/Analyses.def"
+ .Default(NUM_ANALYSIS_DIAG_CLIENTS);
+ if (Value == NUM_ANALYSIS_DIAG_CLIENTS) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.AnalysisDiagOpt = Value;
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_purge)) {
+ StringRef Name = A->getValue();
+ AnalysisPurgeMode Value = llvm::StringSwitch<AnalysisPurgeMode>(Name)
+#define ANALYSIS_PURGE(NAME, CMDFLAG, DESC) \
+ .Case(CMDFLAG, NAME)
+#include "clang/StaticAnalyzer/Core/Analyses.def"
+ .Default(NumPurgeModes);
+ if (Value == NumPurgeModes) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.AnalysisPurgeOpt = Value;
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_analyzer_inlining_mode)) {
+ StringRef Name = A->getValue();
+ AnalysisInliningMode Value = llvm::StringSwitch<AnalysisInliningMode>(Name)
+#define ANALYSIS_INLINING_MODE(NAME, CMDFLAG, DESC) \
+ .Case(CMDFLAG, NAME)
+#include "clang/StaticAnalyzer/Core/Analyses.def"
+ .Default(NumInliningModes);
+ if (Value == NumInliningModes) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.InliningMode = Value;
+ }
+ }
+
+ Opts.ShowCheckerHelp = Args.hasArg(OPT_analyzer_checker_help);
+ Opts.visualizeExplodedGraphWithGraphViz =
+ Args.hasArg(OPT_analyzer_viz_egraph_graphviz);
+ Opts.visualizeExplodedGraphWithUbiGraph =
+ Args.hasArg(OPT_analyzer_viz_egraph_ubigraph);
+ Opts.NoRetryExhausted = Args.hasArg(OPT_analyzer_disable_retry_exhausted);
+ Opts.AnalyzeAll = Args.hasArg(OPT_analyzer_opt_analyze_headers);
+ Opts.AnalyzerDisplayProgress = Args.hasArg(OPT_analyzer_display_progress);
+ Opts.AnalyzeNestedBlocks =
+ Args.hasArg(OPT_analyzer_opt_analyze_nested_blocks);
+ Opts.eagerlyAssumeBinOpBifurcation = Args.hasArg(OPT_analyzer_eagerly_assume);
+ Opts.AnalyzeSpecificFunction = Args.getLastArgValue(OPT_analyze_function);
+ Opts.UnoptimizedCFG = Args.hasArg(OPT_analysis_UnoptimizedCFG);
+ Opts.TrimGraph = Args.hasArg(OPT_trim_egraph);
+ Opts.maxBlockVisitOnPath =
+ getLastArgIntValue(Args, OPT_analyzer_max_loop, 4, Diags);
+ Opts.PrintStats = Args.hasArg(OPT_analyzer_stats);
+ Opts.InlineMaxStackDepth =
+ getLastArgIntValue(Args, OPT_analyzer_inline_max_stack_depth,
+ Opts.InlineMaxStackDepth, Diags);
+
+ Opts.CheckersControlList.clear();
+ for (arg_iterator it = Args.filtered_begin(OPT_analyzer_checker,
+ OPT_analyzer_disable_checker),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ A->claim();
+ bool enable = (A->getOption().getID() == OPT_analyzer_checker);
+ // We can have a list of comma separated checker names, e.g:
+ // '-analyzer-checker=cocoa,unix'
+ StringRef checkerList = A->getValue();
+ SmallVector<StringRef, 4> checkers;
+ checkerList.split(checkers, ",");
+ for (unsigned i = 0, e = checkers.size(); i != e; ++i)
+ Opts.CheckersControlList.push_back(std::make_pair(checkers[i], enable));
+ }
+
+ // Go through the analyzer configuration options.
+ for (arg_iterator it = Args.filtered_begin(OPT_analyzer_config),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ A->claim();
+ // We can have a list of comma separated config names, e.g:
+ // '-analyzer-config key1=val1,key2=val2'
+ StringRef configList = A->getValue();
+ SmallVector<StringRef, 4> configVals;
+ configList.split(configVals, ",");
+ for (unsigned i = 0, e = configVals.size(); i != e; ++i) {
+ StringRef key, val;
+ llvm::tie(key, val) = configVals[i].split("=");
+ if (val.empty()) {
+ Diags.Report(SourceLocation(),
+ diag::err_analyzer_config_no_value) << configVals[i];
+ Success = false;
+ break;
+ }
+ if (val.find('=') != StringRef::npos) {
+ Diags.Report(SourceLocation(),
+ diag::err_analyzer_config_multiple_values)
+ << configVals[i];
+ Success = false;
+ break;
+ }
+ Opts.Config[key] = val;
+ }
+ }
+
+ return Success;
+}
+
+static bool ParseMigratorArgs(MigratorOptions &Opts, ArgList &Args) {
+ Opts.NoNSAllocReallocError = Args.hasArg(OPT_migrator_no_nsalloc_error);
+ Opts.NoFinalizeRemoval = Args.hasArg(OPT_migrator_no_finalize_removal);
+ return true;
+}
+
+static void ParseCommentArgs(CommentOptions &Opts, ArgList &Args) {
+ Opts.BlockCommandNames = Args.getAllArgValues(OPT_fcomment_block_commands);
+ Opts.ParseAllComments = Args.hasArg(OPT_fparse_all_comments);
+}
+
+static bool ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
+ DiagnosticsEngine &Diags) {
+ using namespace options;
+ bool Success = true;
+
+ Opts.OptimizationLevel = getOptimizationLevel(Args, IK, Diags);
+ // TODO: This could be done in Driver
+ unsigned MaxOptLevel = 3;
+ if (Opts.OptimizationLevel > MaxOptLevel) {
+ // If the optimization level is not supported, fall back on the default optimization
+ Diags.Report(diag::warn_drv_optimization_value)
+ << Args.getLastArg(OPT_O)->getAsString(Args) << "-O" << MaxOptLevel;
+ Opts.OptimizationLevel = MaxOptLevel;
+ }
+
+ // We must always run at least the always inlining pass.
+ Opts.setInlining(
+ (Opts.OptimizationLevel > 1) ? CodeGenOptions::NormalInlining
+ : CodeGenOptions::OnlyAlwaysInlining);
+ // -fno-inline-functions overrides OptimizationLevel > 1.
+ Opts.NoInline = Args.hasArg(OPT_fno_inline);
+ Opts.setInlining(Args.hasArg(OPT_fno_inline_functions) ?
+ CodeGenOptions::OnlyAlwaysInlining : Opts.getInlining());
+
+ if (Args.hasArg(OPT_gline_tables_only)) {
+ Opts.setDebugInfo(CodeGenOptions::DebugLineTablesOnly);
+ } else if (Args.hasArg(OPT_g_Flag) || Args.hasArg(OPT_gdwarf_2) ||
+ Args.hasArg(OPT_gdwarf_3) || Args.hasArg(OPT_gdwarf_4)) {
+ if (Args.hasFlag(OPT_flimit_debug_info, OPT_fno_limit_debug_info, true))
+ Opts.setDebugInfo(CodeGenOptions::LimitedDebugInfo);
+ else
+ Opts.setDebugInfo(CodeGenOptions::FullDebugInfo);
+ }
+ Opts.DebugColumnInfo = Args.hasArg(OPT_dwarf_column_info);
+ Opts.SplitDwarfFile = Args.getLastArgValue(OPT_split_dwarf_file);
+ if (Args.hasArg(OPT_gdwarf_2))
+ Opts.DwarfVersion = 2;
+ else if (Args.hasArg(OPT_gdwarf_3))
+ Opts.DwarfVersion = 3;
+ else if (Args.hasArg(OPT_gdwarf_4))
+ Opts.DwarfVersion = 4;
+ else if (Opts.getDebugInfo() != CodeGenOptions::NoDebugInfo)
+ // Default Dwarf version is 4 if we are generating debug information.
+ Opts.DwarfVersion = 4;
+
+ Opts.DisableLLVMOpts = Args.hasArg(OPT_disable_llvm_optzns);
+ Opts.DisableRedZone = Args.hasArg(OPT_disable_red_zone);
+ Opts.ForbidGuardVariables = Args.hasArg(OPT_fforbid_guard_variables);
+ Opts.UseRegisterSizedBitfieldAccess = Args.hasArg(
+ OPT_fuse_register_sized_bitfield_access);
+ Opts.RelaxedAliasing = Args.hasArg(OPT_relaxed_aliasing);
+ Opts.StructPathTBAA = !Args.hasArg(OPT_no_struct_path_tbaa);
+ Opts.DwarfDebugFlags = Args.getLastArgValue(OPT_dwarf_debug_flags);
+ Opts.MergeAllConstants = !Args.hasArg(OPT_fno_merge_all_constants);
+ Opts.NoCommon = Args.hasArg(OPT_fno_common);
+ Opts.NoImplicitFloat = Args.hasArg(OPT_no_implicit_float);
+ Opts.OptimizeSize = getOptimizationLevelSize(Args);
+ Opts.SimplifyLibCalls = !(Args.hasArg(OPT_fno_builtin) ||
+ Args.hasArg(OPT_ffreestanding));
+ Opts.UnrollLoops =
+ Args.hasFlag(OPT_funroll_loops, OPT_fno_unroll_loops,
+ (Opts.OptimizationLevel > 1 && !Opts.OptimizeSize));
+ Opts.RerollLoops = Args.hasArg(OPT_freroll_loops);
+
+ Opts.Autolink = !Args.hasArg(OPT_fno_autolink);
+ Opts.SampleProfileFile = Args.getLastArgValue(OPT_fprofile_sample_use_EQ);
+ Opts.AsmVerbose = Args.hasArg(OPT_masm_verbose);
+ Opts.ObjCAutoRefCountExceptions = Args.hasArg(OPT_fobjc_arc_exceptions);
+ Opts.CUDAIsDevice = Args.hasArg(OPT_fcuda_is_device);
+ Opts.CXAAtExit = !Args.hasArg(OPT_fno_use_cxa_atexit);
+ Opts.CXXCtorDtorAliases = Args.hasArg(OPT_mconstructor_aliases);
+ Opts.CodeModel = Args.getLastArgValue(OPT_mcode_model);
+ Opts.DebugPass = Args.getLastArgValue(OPT_mdebug_pass);
+ Opts.DisableFPElim = Args.hasArg(OPT_mdisable_fp_elim);
+ Opts.DisableFree = Args.hasArg(OPT_disable_free);
+ Opts.DisableTailCalls = Args.hasArg(OPT_mdisable_tail_calls);
+ Opts.FloatABI = Args.getLastArgValue(OPT_mfloat_abi);
+ Opts.HiddenWeakVTables = Args.hasArg(OPT_fhidden_weak_vtables);
+ Opts.LessPreciseFPMAD = Args.hasArg(OPT_cl_mad_enable);
+ Opts.LimitFloatPrecision = Args.getLastArgValue(OPT_mlimit_float_precision);
+ Opts.NoInfsFPMath = (Args.hasArg(OPT_menable_no_infinities) ||
+ Args.hasArg(OPT_cl_finite_math_only)||
+ Args.hasArg(OPT_cl_fast_relaxed_math));
+ Opts.NoNaNsFPMath = (Args.hasArg(OPT_menable_no_nans) ||
+ Args.hasArg(OPT_cl_finite_math_only)||
+ Args.hasArg(OPT_cl_fast_relaxed_math));
+ Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
+ Opts.BackendOptions = Args.getAllArgValues(OPT_backend_option);
+ Opts.NumRegisterParameters = getLastArgIntValue(Args, OPT_mregparm, 0, Diags);
+ Opts.NoGlobalMerge = Args.hasArg(OPT_mno_global_merge);
+ Opts.NoExecStack = Args.hasArg(OPT_mno_exec_stack);
+ Opts.EnableSegmentedStacks = Args.hasArg(OPT_split_stacks);
+ Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
+ Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
+ Opts.SaveTempLabels = Args.hasArg(OPT_msave_temp_labels);
+ Opts.NoDwarf2CFIAsm = Args.hasArg(OPT_fno_dwarf2_cfi_asm);
+ Opts.NoDwarfDirectoryAsm = Args.hasArg(OPT_fno_dwarf_directory_asm);
+ Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
+ Opts.StrictEnums = Args.hasArg(OPT_fstrict_enums);
+ Opts.UnsafeFPMath = Args.hasArg(OPT_menable_unsafe_fp_math) ||
+ Args.hasArg(OPT_cl_unsafe_math_optimizations) ||
+ Args.hasArg(OPT_cl_fast_relaxed_math);
+ Opts.UnwindTables = Args.hasArg(OPT_munwind_tables);
+ Opts.RelocationModel = Args.getLastArgValue(OPT_mrelocation_model, "pic");
+ Opts.TrapFuncName = Args.getLastArgValue(OPT_ftrap_function_EQ);
+ Opts.UseInitArray = Args.hasArg(OPT_fuse_init_array);
+
+ Opts.FunctionSections = Args.hasFlag(OPT_ffunction_sections,
+ OPT_fno_function_sections, false);
+ Opts.DataSections = Args.hasFlag(OPT_fdata_sections,
+ OPT_fno_data_sections, false);
+
+ Opts.VectorizeBB = Args.hasArg(OPT_vectorize_slp_aggressive);
+ Opts.VectorizeLoop = Args.hasArg(OPT_vectorize_loops);
+ Opts.VectorizeSLP = Args.hasArg(OPT_vectorize_slp);
+
+ Opts.MainFileName = Args.getLastArgValue(OPT_main_file_name);
+ Opts.VerifyModule = !Args.hasArg(OPT_disable_llvm_verifier);
+ Opts.SanitizeRecover = !Args.hasArg(OPT_fno_sanitize_recover);
+
+ Opts.DisableGCov = Args.hasArg(OPT_test_coverage);
+ Opts.EmitGcovArcs = Args.hasArg(OPT_femit_coverage_data);
+ Opts.EmitGcovNotes = Args.hasArg(OPT_femit_coverage_notes);
+ if (Opts.EmitGcovArcs || Opts.EmitGcovNotes) {
+ Opts.CoverageFile = Args.getLastArgValue(OPT_coverage_file);
+ Opts.CoverageExtraChecksum = Args.hasArg(OPT_coverage_cfg_checksum);
+ Opts.CoverageNoFunctionNamesInData =
+ Args.hasArg(OPT_coverage_no_function_names_in_data);
+ if (Args.hasArg(OPT_coverage_version_EQ)) {
+ StringRef CoverageVersion = Args.getLastArgValue(OPT_coverage_version_EQ);
+ if (CoverageVersion.size() != 4) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_coverage_version_EQ)->getAsString(Args)
+ << CoverageVersion;
+ } else {
+ memcpy(Opts.CoverageVersion, CoverageVersion.data(), 4);
+ }
+ }
+ }
+
+ Opts.InstrumentFunctions = Args.hasArg(OPT_finstrument_functions);
+ Opts.InstrumentForProfiling = Args.hasArg(OPT_pg);
+ Opts.EmitOpenCLArgMetadata = Args.hasArg(OPT_cl_kernel_arg_info);
+ Opts.DebugCompilationDir = Args.getLastArgValue(OPT_fdebug_compilation_dir);
+ Opts.LinkBitcodeFile = Args.getLastArgValue(OPT_mlink_bitcode_file);
+ Opts.SanitizerBlacklistFile = Args.getLastArgValue(OPT_fsanitize_blacklist);
+ Opts.SanitizeMemoryTrackOrigins =
+ Args.hasArg(OPT_fsanitize_memory_track_origins);
+ Opts.SanitizeAddressZeroBaseShadow =
+ Args.hasArg(OPT_fsanitize_address_zero_base_shadow);
+ Opts.SanitizeUndefinedTrapOnError =
+ Args.hasArg(OPT_fsanitize_undefined_trap_on_error);
+ Opts.SSPBufferSize =
+ getLastArgIntValue(Args, OPT_stack_protector_buffer_size, 8, Diags);
+ Opts.StackRealignment = Args.hasArg(OPT_mstackrealign);
+ if (Arg *A = Args.getLastArg(OPT_mstack_alignment)) {
+ StringRef Val = A->getValue();
+ unsigned StackAlignment = Opts.StackAlignment;
+ Val.getAsInteger(10, StackAlignment);
+ Opts.StackAlignment = StackAlignment;
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_fobjc_dispatch_method_EQ)) {
+ StringRef Name = A->getValue();
+ unsigned Method = llvm::StringSwitch<unsigned>(Name)
+ .Case("legacy", CodeGenOptions::Legacy)
+ .Case("non-legacy", CodeGenOptions::NonLegacy)
+ .Case("mixed", CodeGenOptions::Mixed)
+ .Default(~0U);
+ if (Method == ~0U) {
+ Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.setObjCDispatchMethod(
+ static_cast<CodeGenOptions::ObjCDispatchMethodKind>(Method));
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_ftlsmodel_EQ)) {
+ StringRef Name = A->getValue();
+ unsigned Model = llvm::StringSwitch<unsigned>(Name)
+ .Case("global-dynamic", CodeGenOptions::GeneralDynamicTLSModel)
+ .Case("local-dynamic", CodeGenOptions::LocalDynamicTLSModel)
+ .Case("initial-exec", CodeGenOptions::InitialExecTLSModel)
+ .Case("local-exec", CodeGenOptions::LocalExecTLSModel)
+ .Default(~0U);
+ if (Model == ~0U) {
+ Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
+ Success = false;
+ } else {
+ Opts.setDefaultTLSModel(static_cast<CodeGenOptions::TLSModel>(Model));
+ }
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_ffp_contract)) {
+ StringRef Val = A->getValue();
+ if (Val == "fast")
+ Opts.setFPContractMode(CodeGenOptions::FPC_Fast);
+ else if (Val == "on")
+ Opts.setFPContractMode(CodeGenOptions::FPC_On);
+ else if (Val == "off")
+ Opts.setFPContractMode(CodeGenOptions::FPC_Off);
+ else
+ Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Val;
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_fpcc_struct_return, OPT_freg_struct_return)) {
+ if (A->getOption().matches(OPT_fpcc_struct_return)) {
+ Opts.setStructReturnConvention(CodeGenOptions::SRCK_OnStack);
+ } else {
+ assert(A->getOption().matches(OPT_freg_struct_return));
+ Opts.setStructReturnConvention(CodeGenOptions::SRCK_InRegs);
+ }
+ }
+
+ Opts.DependentLibraries = Args.getAllArgValues(OPT_dependent_lib);
+
+ if (Arg *A = Args.getLastArg(OPT_mbss_EQ)) {
+ bssName = A->getValue();
+ }
+ if (Arg *A = Args.getLastArg(OPT_mdata_EQ)) {
+ dataName = A->getValue();
+ }
+ if (Arg *A = Args.getLastArg(OPT_mrodata_EQ)) {
+ rodataName = A->getValue();
+ }
+ if (Arg *A = Args.getLastArg(OPT_mtext_EQ)) {
+ textName = A->getValue();
+ }
+
+ return Success;
+}
+
+static void ParseDependencyOutputArgs(DependencyOutputOptions &Opts,
+ ArgList &Args) {
+ using namespace options;
+ Opts.OutputFile = Args.getLastArgValue(OPT_dependency_file);
+ Opts.Targets = Args.getAllArgValues(OPT_MT);
+ Opts.IncludeSystemHeaders = Args.hasArg(OPT_sys_header_deps);
+ Opts.UsePhonyTargets = Args.hasArg(OPT_MP);
+ Opts.ShowHeaderIncludes = Args.hasArg(OPT_H);
+ Opts.HeaderIncludeOutputFile = Args.getLastArgValue(OPT_header_include_file);
+ Opts.AddMissingHeaderDeps = Args.hasArg(OPT_MG);
+ Opts.PrintShowIncludes = Args.hasArg(OPT_show_includes);
+ Opts.DOTOutputFile = Args.getLastArgValue(OPT_dependency_dot);
+}
+
+bool clang::ParseDiagnosticArgs(DiagnosticOptions &Opts, ArgList &Args,
+ DiagnosticsEngine *Diags) {
+ using namespace options;
+ bool Success = true;
+
+ Opts.DiagnosticLogFile = Args.getLastArgValue(OPT_diagnostic_log_file);
+ Opts.DiagnosticSerializationFile =
+ Args.getLastArgValue(OPT_diagnostic_serialized_file);
+ Opts.IgnoreWarnings = Args.hasArg(OPT_w);
+ Opts.NoRewriteMacros = Args.hasArg(OPT_Wno_rewrite_macros);
+ Opts.Pedantic = Args.hasArg(OPT_pedantic);
+ Opts.PedanticErrors = Args.hasArg(OPT_pedantic_errors);
+ Opts.ShowCarets = !Args.hasArg(OPT_fno_caret_diagnostics);
+ Opts.ShowColors = Args.hasArg(OPT_fcolor_diagnostics);
+ Opts.ShowColumn = Args.hasFlag(OPT_fshow_column,
+ OPT_fno_show_column,
+ /*Default=*/true);
+ Opts.ShowFixits = !Args.hasArg(OPT_fno_diagnostics_fixit_info);
+ Opts.ShowLocation = !Args.hasArg(OPT_fno_show_source_location);
+ Opts.ShowOptionNames = Args.hasArg(OPT_fdiagnostics_show_option);
+
+ llvm::sys::Process::UseANSIEscapeCodes(Args.hasArg(OPT_fansi_escape_codes));
+
+ // Default behavior is to not to show note include stacks.
+ Opts.ShowNoteIncludeStack = false;
+ if (Arg *A = Args.getLastArg(OPT_fdiagnostics_show_note_include_stack,
+ OPT_fno_diagnostics_show_note_include_stack))
+ if (A->getOption().matches(OPT_fdiagnostics_show_note_include_stack))
+ Opts.ShowNoteIncludeStack = true;
+
+ StringRef ShowOverloads =
+ Args.getLastArgValue(OPT_fshow_overloads_EQ, "all");
+ if (ShowOverloads == "best")
+ Opts.setShowOverloads(Ovl_Best);
+ else if (ShowOverloads == "all")
+ Opts.setShowOverloads(Ovl_All);
+ else {
+ Success = false;
+ if (Diags)
+ Diags->Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_fshow_overloads_EQ)->getAsString(Args)
+ << ShowOverloads;
+ }
+
+ StringRef ShowCategory =
+ Args.getLastArgValue(OPT_fdiagnostics_show_category, "none");
+ if (ShowCategory == "none")
+ Opts.ShowCategories = 0;
+ else if (ShowCategory == "id")
+ Opts.ShowCategories = 1;
+ else if (ShowCategory == "name")
+ Opts.ShowCategories = 2;
+ else {
+ Success = false;
+ if (Diags)
+ Diags->Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_fdiagnostics_show_category)->getAsString(Args)
+ << ShowCategory;
+ }
+
+ StringRef Format =
+ Args.getLastArgValue(OPT_fdiagnostics_format, "clang");
+ if (Format == "clang")
+ Opts.setFormat(DiagnosticOptions::Clang);
+ else if (Format == "msvc")
+ Opts.setFormat(DiagnosticOptions::Msvc);
+ else if (Format == "msvc-fallback") {
+ Opts.setFormat(DiagnosticOptions::Msvc);
+ Opts.CLFallbackMode = true;
+ } else if (Format == "vi")
+ Opts.setFormat(DiagnosticOptions::Vi);
+ else {
+ Success = false;
+ if (Diags)
+ Diags->Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_fdiagnostics_format)->getAsString(Args)
+ << Format;
+ }
+
+ Opts.ShowSourceRanges = Args.hasArg(OPT_fdiagnostics_print_source_range_info);
+ Opts.ShowParseableFixits = Args.hasArg(OPT_fdiagnostics_parseable_fixits);
+ Opts.ShowPresumedLoc = !Args.hasArg(OPT_fno_diagnostics_use_presumed_location);
+ Opts.VerifyDiagnostics = Args.hasArg(OPT_verify);
+ Opts.ElideType = !Args.hasArg(OPT_fno_elide_type);
+ Opts.ShowTemplateTree = Args.hasArg(OPT_fdiagnostics_show_template_tree);
+ Opts.ErrorLimit = getLastArgIntValue(Args, OPT_ferror_limit, 0, Diags);
+ Opts.MacroBacktraceLimit =
+ getLastArgIntValue(Args, OPT_fmacro_backtrace_limit,
+ DiagnosticOptions::DefaultMacroBacktraceLimit, Diags);
+ Opts.TemplateBacktraceLimit = getLastArgIntValue(
+ Args, OPT_ftemplate_backtrace_limit,
+ DiagnosticOptions::DefaultTemplateBacktraceLimit, Diags);
+ Opts.ConstexprBacktraceLimit = getLastArgIntValue(
+ Args, OPT_fconstexpr_backtrace_limit,
+ DiagnosticOptions::DefaultConstexprBacktraceLimit, Diags);
+ Opts.TabStop = getLastArgIntValue(Args, OPT_ftabstop,
+ DiagnosticOptions::DefaultTabStop, Diags);
+ if (Opts.TabStop == 0 || Opts.TabStop > DiagnosticOptions::MaxTabStop) {
+ Opts.TabStop = DiagnosticOptions::DefaultTabStop;
+ if (Diags)
+ Diags->Report(diag::warn_ignoring_ftabstop_value)
+ << Opts.TabStop << DiagnosticOptions::DefaultTabStop;
+ }
+ Opts.MessageLength = getLastArgIntValue(Args, OPT_fmessage_length, 0, Diags);
+ addWarningArgs(Args, Opts.Warnings);
+
+ return Success;
+}
+
+static void ParseFileSystemArgs(FileSystemOptions &Opts, ArgList &Args) {
+ Opts.WorkingDir = Args.getLastArgValue(OPT_working_directory);
+}
+
+static InputKind ParseFrontendArgs(FrontendOptions &Opts, ArgList &Args,
+ DiagnosticsEngine &Diags) {
+ using namespace options;
+ Opts.ProgramAction = frontend::ParseSyntaxOnly;
+ if (const Arg *A = Args.getLastArg(OPT_Action_Group)) {
+ switch (A->getOption().getID()) {
+ default:
+ llvm_unreachable("Invalid option in group!");
+ case OPT_ast_list:
+ Opts.ProgramAction = frontend::ASTDeclList; break;
+ case OPT_ast_dump:
+ Opts.ProgramAction = frontend::ASTDump; break;
+ case OPT_ast_print:
+ Opts.ProgramAction = frontend::ASTPrint; break;
+ case OPT_ast_view:
+ Opts.ProgramAction = frontend::ASTView; break;
+ case OPT_dump_raw_tokens:
+ Opts.ProgramAction = frontend::DumpRawTokens; break;
+ case OPT_dump_tokens:
+ Opts.ProgramAction = frontend::DumpTokens; break;
+ case OPT_S:
+ Opts.ProgramAction = frontend::EmitAssembly; break;
+ case OPT_emit_llvm_bc:
+ Opts.ProgramAction = frontend::EmitBC; break;
+ case OPT_emit_html:
+ Opts.ProgramAction = frontend::EmitHTML; break;
+ case OPT_emit_llvm:
+ Opts.ProgramAction = frontend::EmitLLVM; break;
+ case OPT_emit_llvm_only:
+ Opts.ProgramAction = frontend::EmitLLVMOnly; break;
+ case OPT_emit_codegen_only:
+ Opts.ProgramAction = frontend::EmitCodeGenOnly; break;
+ case OPT_emit_obj:
+ Opts.ProgramAction = frontend::EmitObj; break;
+ case OPT_fixit_EQ:
+ Opts.FixItSuffix = A->getValue();
+ // fall-through!
+ case OPT_fixit:
+ Opts.ProgramAction = frontend::FixIt; break;
+ case OPT_emit_module:
+ Opts.ProgramAction = frontend::GenerateModule; break;
+ case OPT_emit_pch:
+ Opts.ProgramAction = frontend::GeneratePCH; break;
+ case OPT_emit_pth:
+ Opts.ProgramAction = frontend::GeneratePTH; break;
+ case OPT_init_only:
+ Opts.ProgramAction = frontend::InitOnly; break;
+ case OPT_fsyntax_only:
+ Opts.ProgramAction = frontend::ParseSyntaxOnly; break;
+ case OPT_module_file_info:
+ Opts.ProgramAction = frontend::ModuleFileInfo; break;
+ case OPT_print_decl_contexts:
+ Opts.ProgramAction = frontend::PrintDeclContext; break;
+ case OPT_print_preamble:
+ Opts.ProgramAction = frontend::PrintPreamble; break;
+ case OPT_E:
+ Opts.ProgramAction = frontend::PrintPreprocessedInput; break;
+ case OPT_rewrite_macros:
+ Opts.ProgramAction = frontend::RewriteMacros; break;
+ case OPT_rewrite_objc:
+ Opts.ProgramAction = frontend::RewriteObjC; break;
+ case OPT_rewrite_test:
+ Opts.ProgramAction = frontend::RewriteTest; break;
+ case OPT_analyze:
+ Opts.ProgramAction = frontend::RunAnalysis; break;
+ case OPT_migrate:
+ Opts.ProgramAction = frontend::MigrateSource; break;
+ case OPT_Eonly:
+ Opts.ProgramAction = frontend::RunPreprocessorOnly; break;
+ }
+ }
+
+ if (const Arg* A = Args.getLastArg(OPT_plugin)) {
+ Opts.Plugins.push_back(A->getValue(0));
+ Opts.ProgramAction = frontend::PluginAction;
+ Opts.ActionName = A->getValue();
+
+ for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
+ end = Args.filtered_end(); it != end; ++it) {
+ if ((*it)->getValue(0) == Opts.ActionName)
+ Opts.PluginArgs.push_back((*it)->getValue(1));
+ }
+ }
+
+ Opts.AddPluginActions = Args.getAllArgValues(OPT_add_plugin);
+ Opts.AddPluginArgs.resize(Opts.AddPluginActions.size());
+ for (int i = 0, e = Opts.AddPluginActions.size(); i != e; ++i) {
+ for (arg_iterator it = Args.filtered_begin(OPT_plugin_arg),
+ end = Args.filtered_end(); it != end; ++it) {
+ if ((*it)->getValue(0) == Opts.AddPluginActions[i])
+ Opts.AddPluginArgs[i].push_back((*it)->getValue(1));
+ }
+ }
+
+ if (const Arg *A = Args.getLastArg(OPT_code_completion_at)) {
+ Opts.CodeCompletionAt =
+ ParsedSourceLocation::FromString(A->getValue());
+ if (Opts.CodeCompletionAt.FileName.empty())
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue();
+ }
+ Opts.DisableFree = Args.hasArg(OPT_disable_free);
+
+ Opts.OutputFile = Args.getLastArgValue(OPT_o);
+ Opts.Plugins = Args.getAllArgValues(OPT_load);
+ Opts.RelocatablePCH = Args.hasArg(OPT_relocatable_pch);
+ Opts.ShowHelp = Args.hasArg(OPT_help);
+ Opts.ShowStats = Args.hasArg(OPT_print_stats);
+ Opts.ShowTimers = Args.hasArg(OPT_ftime_report);
+ Opts.ShowVersion = Args.hasArg(OPT_version);
+ Opts.ASTMergeFiles = Args.getAllArgValues(OPT_ast_merge);
+ Opts.LLVMArgs = Args.getAllArgValues(OPT_mllvm);
+ Opts.FixWhatYouCan = Args.hasArg(OPT_fix_what_you_can);
+ Opts.FixOnlyWarnings = Args.hasArg(OPT_fix_only_warnings);
+ Opts.FixAndRecompile = Args.hasArg(OPT_fixit_recompile);
+ Opts.FixToTemporaries = Args.hasArg(OPT_fixit_to_temp);
+ Opts.ASTDumpFilter = Args.getLastArgValue(OPT_ast_dump_filter);
+ Opts.ASTDumpLookups = Args.hasArg(OPT_ast_dump_lookups);
+ Opts.UseGlobalModuleIndex = !Args.hasArg(OPT_fno_modules_global_index);
+ Opts.GenerateGlobalModuleIndex = Opts.UseGlobalModuleIndex;
+
+ Opts.CodeCompleteOpts.IncludeMacros
+ = Args.hasArg(OPT_code_completion_macros);
+ Opts.CodeCompleteOpts.IncludeCodePatterns
+ = Args.hasArg(OPT_code_completion_patterns);
+ Opts.CodeCompleteOpts.IncludeGlobals
+ = !Args.hasArg(OPT_no_code_completion_globals);
+ Opts.CodeCompleteOpts.IncludeBriefComments
+ = Args.hasArg(OPT_code_completion_brief_comments);
+
+ Opts.OverrideRecordLayoutsFile
+ = Args.getLastArgValue(OPT_foverride_record_layout_EQ);
+ if (const Arg *A = Args.getLastArg(OPT_arcmt_check,
+ OPT_arcmt_modify,
+ OPT_arcmt_migrate)) {
+ switch (A->getOption().getID()) {
+ default:
+ llvm_unreachable("missed a case");
+ case OPT_arcmt_check:
+ Opts.ARCMTAction = FrontendOptions::ARCMT_Check;
+ break;
+ case OPT_arcmt_modify:
+ Opts.ARCMTAction = FrontendOptions::ARCMT_Modify;
+ break;
+ case OPT_arcmt_migrate:
+ Opts.ARCMTAction = FrontendOptions::ARCMT_Migrate;
+ break;
+ }
+ }
+ Opts.MTMigrateDir = Args.getLastArgValue(OPT_mt_migrate_directory);
+ Opts.ARCMTMigrateReportOut
+ = Args.getLastArgValue(OPT_arcmt_migrate_report_output);
+ Opts.ARCMTMigrateEmitARCErrors
+ = Args.hasArg(OPT_arcmt_migrate_emit_arc_errors);
+
+ if (Args.hasArg(OPT_objcmt_migrate_literals))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Literals;
+ if (Args.hasArg(OPT_objcmt_migrate_subscripting))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Subscripting;
+ if (Args.hasArg(OPT_objcmt_migrate_property))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Property;
+ if (Args.hasArg(OPT_objcmt_migrate_readonly_property))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadonlyProperty;
+ if (Args.hasArg(OPT_objcmt_migrate_readwrite_property))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReadwriteProperty;
+ if (Args.hasArg(OPT_objcmt_migrate_annotation))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Annotation;
+ if (Args.hasArg(OPT_objcmt_returns_innerpointer_property))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ReturnsInnerPointerProperty;
+ if (Args.hasArg(OPT_objcmt_migrate_instancetype))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_Instancetype;
+ if (Args.hasArg(OPT_objcmt_migrate_nsmacros))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsMacros;
+ if (Args.hasArg(OPT_objcmt_migrate_protocol_conformance))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_ProtocolConformance;
+ if (Args.hasArg(OPT_objcmt_atomic_property))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_AtomicProperty;
+ if (Args.hasArg(OPT_objcmt_ns_nonatomic_iosonly))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_NsAtomicIOSOnlyProperty;
+ if (Args.hasArg(OPT_objcmt_migrate_all))
+ Opts.ObjCMTAction |= FrontendOptions::ObjCMT_MigrateDecls;
+
+ Opts.ObjCMTWhiteListPath = Args.getLastArgValue(OPT_objcmt_white_list_dir_path);
+
+ if (Opts.ARCMTAction != FrontendOptions::ARCMT_None &&
+ Opts.ObjCMTAction != FrontendOptions::ObjCMT_None) {
+ Diags.Report(diag::err_drv_argument_not_allowed_with)
+ << "ARC migration" << "ObjC migration";
+ }
+
+ InputKind DashX = IK_None;
+ if (const Arg *A = Args.getLastArg(OPT_x)) {
+ DashX = llvm::StringSwitch<InputKind>(A->getValue())
+ .Case("c", IK_C)
+ .Case("cl", IK_OpenCL)
+ .Case("cuda", IK_CUDA)
+ .Case("c++", IK_CXX)
+ .Case("objective-c", IK_ObjC)
+ .Case("objective-c++", IK_ObjCXX)
+ .Case("cpp-output", IK_PreprocessedC)
+ .Case("assembler-with-cpp", IK_Asm)
+ .Case("c++-cpp-output", IK_PreprocessedCXX)
+ .Case("objective-c-cpp-output", IK_PreprocessedObjC)
+ .Case("objc-cpp-output", IK_PreprocessedObjC)
+ .Case("objective-c++-cpp-output", IK_PreprocessedObjCXX)
+ .Case("objc++-cpp-output", IK_PreprocessedObjCXX)
+ .Case("c-header", IK_C)
+ .Case("cl-header", IK_OpenCL)
+ .Case("objective-c-header", IK_ObjC)
+ .Case("c++-header", IK_CXX)
+ .Case("objective-c++-header", IK_ObjCXX)
+ .Cases("ast", "pcm", IK_AST)
+ .Case("ir", IK_LLVM_IR)
+ .Default(IK_None);
+ if (DashX == IK_None)
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue();
+ }
+
+ // '-' is the default input if none is given.
+ std::vector<std::string> Inputs = Args.getAllArgValues(OPT_INPUT);
+ Opts.Inputs.clear();
+ if (Inputs.empty())
+ Inputs.push_back("-");
+ for (unsigned i = 0, e = Inputs.size(); i != e; ++i) {
+ InputKind IK = DashX;
+ if (IK == IK_None) {
+ IK = FrontendOptions::getInputKindForExtension(
+ StringRef(Inputs[i]).rsplit('.').second);
+ // FIXME: Remove this hack.
+ if (i == 0)
+ DashX = IK;
+ }
+ Opts.Inputs.push_back(FrontendInputFile(Inputs[i], IK));
+ }
+
+ return DashX;
+}
+
+std::string CompilerInvocation::GetResourcesPath(const char *Argv0,
+ void *MainAddr) {
+ SmallString<128> P(llvm::sys::fs::getMainExecutable(Argv0, MainAddr));
+
+ if (!P.empty()) {
+ llvm::sys::path::remove_filename(P); // Remove /clang from foo/bin/clang
+ llvm::sys::path::remove_filename(P); // Remove /bin from foo/bin
+
+ // Get foo/lib/clang/<version>/include
+ llvm::sys::path::append(P, "lib", "clang", CLANG_VERSION_STRING);
+ }
+
+ return P.str();
+}
+
+static void ParseHeaderSearchArgs(HeaderSearchOptions &Opts, ArgList &Args) {
+ using namespace options;
+ Opts.Sysroot = Args.getLastArgValue(OPT_isysroot, "/");
+ Opts.Verbose = Args.hasArg(OPT_v);
+ Opts.UseBuiltinIncludes = !Args.hasArg(OPT_nobuiltininc);
+ Opts.UseStandardSystemIncludes = !Args.hasArg(OPT_nostdsysteminc);
+ Opts.UseStandardCXXIncludes = !Args.hasArg(OPT_nostdincxx);
+ if (const Arg *A = Args.getLastArg(OPT_stdlib_EQ))
+ Opts.UseLibcxx = (strcmp(A->getValue(), "libc++") == 0);
+ Opts.ResourceDir = Args.getLastArgValue(OPT_resource_dir);
+ Opts.ModuleCachePath = Args.getLastArgValue(OPT_fmodules_cache_path);
+ Opts.DisableModuleHash = Args.hasArg(OPT_fdisable_module_hash);
+ // -fmodules implies -fmodule-maps
+ Opts.ModuleMaps = Args.hasArg(OPT_fmodule_maps) || Args.hasArg(OPT_fmodules);
+ Opts.ModuleCachePruneInterval =
+ getLastArgIntValue(Args, OPT_fmodules_prune_interval, 7 * 24 * 60 * 60);
+ Opts.ModuleCachePruneAfter =
+ getLastArgIntValue(Args, OPT_fmodules_prune_after, 31 * 24 * 60 * 60);
+ for (arg_iterator it = Args.filtered_begin(OPT_fmodules_ignore_macro),
+ ie = Args.filtered_end();
+ it != ie; ++it) {
+ StringRef MacroDef = (*it)->getValue();
+ Opts.ModulesIgnoreMacros.insert(MacroDef.split('=').first);
+ }
+ std::vector<std::string> ModuleMapFiles =
+ Args.getAllArgValues(OPT_fmodule_map_file);
+ Opts.ModuleMapFiles.insert(ModuleMapFiles.begin(), ModuleMapFiles.end());
+
+ // Add -I..., -F..., and -index-header-map options in order.
+ bool IsIndexHeaderMap = false;
+ for (arg_iterator it = Args.filtered_begin(OPT_I, OPT_F,
+ OPT_index_header_map),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(OPT_index_header_map)) {
+ // -index-header-map applies to the next -I or -F.
+ IsIndexHeaderMap = true;
+ continue;
+ }
+
+ frontend::IncludeDirGroup Group
+ = IsIndexHeaderMap? frontend::IndexHeaderMap : frontend::Angled;
+
+ Opts.AddPath((*it)->getValue(), Group,
+ /*IsFramework=*/ (*it)->getOption().matches(OPT_F), true);
+ IsIndexHeaderMap = false;
+ }
+
+ // Add -iprefix/-iwithprefix/-iwithprefixbefore options.
+ StringRef Prefix = ""; // FIXME: This isn't the correct default prefix.
+ for (arg_iterator it = Args.filtered_begin(OPT_iprefix, OPT_iwithprefix,
+ OPT_iwithprefixbefore),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ if (A->getOption().matches(OPT_iprefix))
+ Prefix = A->getValue();
+ else if (A->getOption().matches(OPT_iwithprefix))
+ Opts.AddPath(Prefix.str() + A->getValue(),
+ frontend::After, false, true);
+ else
+ Opts.AddPath(Prefix.str() + A->getValue(),
+ frontend::Angled, false, true);
+ }
+
+ for (arg_iterator it = Args.filtered_begin(OPT_idirafter),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::After, false, true);
+ for (arg_iterator it = Args.filtered_begin(OPT_iquote),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::Quoted, false, true);
+ for (arg_iterator it = Args.filtered_begin(OPT_isystem,
+ OPT_iwithsysroot), ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::System, false,
+ !(*it)->getOption().matches(OPT_iwithsysroot));
+ for (arg_iterator it = Args.filtered_begin(OPT_iframework),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::System, true, true);
+
+ // Add the paths for the various language specific isystem flags.
+ for (arg_iterator it = Args.filtered_begin(OPT_c_isystem),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::CSystem, false, true);
+ for (arg_iterator it = Args.filtered_begin(OPT_cxx_isystem),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::CXXSystem, false, true);
+ for (arg_iterator it = Args.filtered_begin(OPT_objc_isystem),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::ObjCSystem, false,true);
+ for (arg_iterator it = Args.filtered_begin(OPT_objcxx_isystem),
+ ie = Args.filtered_end(); it != ie; ++it)
+ Opts.AddPath((*it)->getValue(), frontend::ObjCXXSystem, false, true);
+
+ // Add the internal paths from a driver that detects standard include paths.
+ for (arg_iterator I = Args.filtered_begin(OPT_internal_isystem,
+ OPT_internal_externc_isystem),
+ E = Args.filtered_end();
+ I != E; ++I) {
+ frontend::IncludeDirGroup Group = frontend::System;
+ if ((*I)->getOption().matches(OPT_internal_externc_isystem))
+ Group = frontend::ExternCSystem;
+ Opts.AddPath((*I)->getValue(), Group, false, true);
+ }
+
+ // Add the path prefixes which are implicitly treated as being system headers.
+ for (arg_iterator I = Args.filtered_begin(OPT_isystem_prefix,
+ OPT_ino_system_prefix),
+ E = Args.filtered_end();
+ I != E; ++I)
+ Opts.AddSystemHeaderPrefix((*I)->getValue(),
+ (*I)->getOption().matches(OPT_isystem_prefix));
+}
+
+void CompilerInvocation::setLangDefaults(LangOptions &Opts, InputKind IK,
+ LangStandard::Kind LangStd) {
+ // Set some properties which depend solely on the input kind; it would be nice
+ // to move these to the language standard, and have the driver resolve the
+ // input kind + language standard.
+ if (IK == IK_Asm) {
+ Opts.AsmPreprocessor = 1;
+ } else if (IK == IK_ObjC ||
+ IK == IK_ObjCXX ||
+ IK == IK_PreprocessedObjC ||
+ IK == IK_PreprocessedObjCXX) {
+ Opts.ObjC1 = Opts.ObjC2 = 1;
+ }
+
+ if (LangStd == LangStandard::lang_unspecified) {
+ // Based on the base language, pick one.
+ switch (IK) {
+ case IK_None:
+ case IK_AST:
+ case IK_LLVM_IR:
+ llvm_unreachable("Invalid input kind!");
+ case IK_OpenCL:
+ LangStd = LangStandard::lang_opencl;
+ break;
+ case IK_CUDA:
+ LangStd = LangStandard::lang_cuda;
+ break;
+ case IK_Asm:
+ case IK_C:
+ case IK_PreprocessedC:
+ case IK_ObjC:
+ case IK_PreprocessedObjC:
+ LangStd = LangStandard::lang_gnu99;
+ break;
+ case IK_CXX:
+ case IK_PreprocessedCXX:
+ case IK_ObjCXX:
+ case IK_PreprocessedObjCXX:
+ LangStd = LangStandard::lang_gnucxx98;
+ break;
+ }
+ }
+
+ const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
+ Opts.LineComment = Std.hasLineComments();
+ Opts.C99 = Std.isC99();
+ Opts.C11 = Std.isC11();
+ Opts.CPlusPlus = Std.isCPlusPlus();
+ Opts.CPlusPlus11 = Std.isCPlusPlus11();
+ Opts.CPlusPlus1y = Std.isCPlusPlus1y();
+ Opts.Digraphs = Std.hasDigraphs();
+ Opts.GNUMode = Std.isGNUMode();
+ Opts.GNUInline = !Std.isC99();
+ Opts.HexFloats = Std.hasHexFloats();
+ Opts.ImplicitInt = Std.hasImplicitInt();
+
+ // Set OpenCL Version.
+ if (LangStd == LangStandard::lang_opencl) {
+ Opts.OpenCL = 1;
+ Opts.OpenCLVersion = 100;
+ }
+ else if (LangStd == LangStandard::lang_opencl11) {
+ Opts.OpenCL = 1;
+ Opts.OpenCLVersion = 110;
+ }
+ else if (LangStd == LangStandard::lang_opencl12) {
+ Opts.OpenCL = 1;
+ Opts.OpenCLVersion = 120;
+ }
+
+ // OpenCL has some additional defaults.
+ if (Opts.OpenCL) {
+ Opts.AltiVec = 0;
+ Opts.CXXOperatorNames = 1;
+ Opts.LaxVectorConversions = 0;
+ Opts.DefaultFPContract = 1;
+ Opts.NativeHalfType = 1;
+ }
+
+ if (LangStd == LangStandard::lang_cuda)
+ Opts.CUDA = 1;
+
+ // OpenCL and C++ both have bool, true, false keywords.
+ Opts.Bool = Opts.OpenCL || Opts.CPlusPlus;
+
+ // C++ has wchar_t keyword.
+ Opts.WChar = Opts.CPlusPlus;
+
+ Opts.GNUKeywords = Opts.GNUMode;
+ Opts.CXXOperatorNames = Opts.CPlusPlus;
+
+ // Mimicing gcc's behavior, trigraphs are only enabled if -trigraphs
+ // is specified, or -std is set to a conforming mode.
+ Opts.Trigraphs = !Opts.GNUMode;
+
+ Opts.DollarIdents = !Opts.AsmPreprocessor;
+
+ // C++1y onwards has sized global deallocation functions.
+ Opts.SizedDeallocation = Opts.CPlusPlus1y;
+}
+
+/// Attempt to parse a visibility value out of the given argument.
+static Visibility parseVisibility(Arg *arg, ArgList &args,
+ DiagnosticsEngine &diags) {
+ StringRef value = arg->getValue();
+ if (value == "default") {
+ return DefaultVisibility;
+ } else if (value == "hidden") {
+ return HiddenVisibility;
+ } else if (value == "protected") {
+ // FIXME: diagnose if target does not support protected visibility
+ return ProtectedVisibility;
+ }
+
+ diags.Report(diag::err_drv_invalid_value)
+ << arg->getAsString(args) << value;
+ return DefaultVisibility;
+}
+
+static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK,
+ DiagnosticsEngine &Diags) {
+ // FIXME: Cleanup per-file based stuff.
+ LangStandard::Kind LangStd = LangStandard::lang_unspecified;
+ if (const Arg *A = Args.getLastArg(OPT_std_EQ)) {
+ LangStd = llvm::StringSwitch<LangStandard::Kind>(A->getValue())
+#define LANGSTANDARD(id, name, desc, features) \
+ .Case(name, LangStandard::lang_##id)
+#include "clang/Frontend/LangStandards.def"
+ .Default(LangStandard::lang_unspecified);
+ if (LangStd == LangStandard::lang_unspecified)
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue();
+ else {
+ // Valid standard, check to make sure language and standard are compatable.
+ const LangStandard &Std = LangStandard::getLangStandardForKind(LangStd);
+ switch (IK) {
+ case IK_C:
+ case IK_ObjC:
+ case IK_PreprocessedC:
+ case IK_PreprocessedObjC:
+ if (!(Std.isC89() || Std.isC99()))
+ Diags.Report(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "C/ObjC";
+ break;
+ case IK_CXX:
+ case IK_ObjCXX:
+ case IK_PreprocessedCXX:
+ case IK_PreprocessedObjCXX:
+ if (!Std.isCPlusPlus())
+ Diags.Report(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "C++/ObjC++";
+ break;
+ case IK_OpenCL:
+ if (!Std.isC99())
+ Diags.Report(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "OpenCL";
+ break;
+ case IK_CUDA:
+ if (!Std.isCPlusPlus())
+ Diags.Report(diag::err_drv_argument_not_allowed_with)
+ << A->getAsString(Args) << "CUDA";
+ break;
+ default:
+ break;
+ }
+ }
+ }
+
+ // -cl-std only applies for OpenCL language standards.
+ // Override the -std option in this case.
+ if (const Arg *A = Args.getLastArg(OPT_cl_std_EQ)) {
+ LangStandard::Kind OpenCLLangStd
+ = llvm::StringSwitch<LangStandard::Kind>(A->getValue())
+ .Case("CL", LangStandard::lang_opencl)
+ .Case("CL1.1", LangStandard::lang_opencl11)
+ .Case("CL1.2", LangStandard::lang_opencl12)
+ .Default(LangStandard::lang_unspecified);
+
+ if (OpenCLLangStd == LangStandard::lang_unspecified) {
+ Diags.Report(diag::err_drv_invalid_value)
+ << A->getAsString(Args) << A->getValue();
+ }
+ else
+ LangStd = OpenCLLangStd;
+ }
+
+ CompilerInvocation::setLangDefaults(Opts, IK, LangStd);
+
+ // We abuse '-f[no-]gnu-keywords' to force overriding all GNU-extension
+ // keywords. This behavior is provided by GCC's poorly named '-fasm' flag,
+ // while a subset (the non-C++ GNU keywords) is provided by GCC's
+ // '-fgnu-keywords'. Clang conflates the two for simplicity under the single
+ // name, as it doesn't seem a useful distinction.
+ Opts.GNUKeywords = Args.hasFlag(OPT_fgnu_keywords, OPT_fno_gnu_keywords,
+ Opts.GNUKeywords);
+
+ if (Args.hasArg(OPT_fno_operator_names))
+ Opts.CXXOperatorNames = 0;
+
+ if (Opts.ObjC1) {
+ if (Arg *arg = Args.getLastArg(OPT_fobjc_runtime_EQ)) {
+ StringRef value = arg->getValue();
+ if (Opts.ObjCRuntime.tryParse(value))
+ Diags.Report(diag::err_drv_unknown_objc_runtime) << value;
+ }
+
+ if (Args.hasArg(OPT_fobjc_gc_only))
+ Opts.setGC(LangOptions::GCOnly);
+ else if (Args.hasArg(OPT_fobjc_gc))
+ Opts.setGC(LangOptions::HybridGC);
+ else if (Args.hasArg(OPT_fobjc_arc)) {
+ Opts.ObjCAutoRefCount = 1;
+ if (!Opts.ObjCRuntime.allowsARC())
+ Diags.Report(diag::err_arc_unsupported_on_runtime);
+
+ // Only set ObjCARCWeak if ARC is enabled.
+ if (Args.hasArg(OPT_fobjc_runtime_has_weak))
+ Opts.ObjCARCWeak = 1;
+ else
+ Opts.ObjCARCWeak = Opts.ObjCRuntime.allowsWeak();
+ }
+
+ if (Args.hasArg(OPT_fno_objc_infer_related_result_type))
+ Opts.ObjCInferRelatedResultType = 0;
+
+ if (Args.hasArg(OPT_fobjc_subscripting_legacy_runtime))
+ Opts.ObjCSubscriptingLegacyRuntime =
+ (Opts.ObjCRuntime.getKind() == ObjCRuntime::FragileMacOSX);
+ }
+
+ if (Args.hasArg(OPT_fgnu89_inline))
+ Opts.GNUInline = 1;
+
+ if (Args.hasArg(OPT_fapple_kext)) {
+ if (!Opts.CPlusPlus)
+ Diags.Report(diag::warn_c_kext);
+ else
+ Opts.AppleKext = 1;
+ }
+
+ if (Args.hasArg(OPT_print_ivar_layout))
+ Opts.ObjCGCBitmapPrint = 1;
+ if (Args.hasArg(OPT_fno_constant_cfstrings))
+ Opts.NoConstantCFStrings = 1;
+
+ if (Args.hasArg(OPT_faltivec))
+ Opts.AltiVec = 1;
+
+ if (Args.hasArg(OPT_pthread))
+ Opts.POSIXThreads = 1;
+
+ // The value-visibility mode defaults to "default".
+ if (Arg *visOpt = Args.getLastArg(OPT_fvisibility)) {
+ Opts.setValueVisibilityMode(parseVisibility(visOpt, Args, Diags));
+ } else {
+ Opts.setValueVisibilityMode(DefaultVisibility);
+ }
+
+ // The type-visibility mode defaults to the value-visibility mode.
+ if (Arg *typeVisOpt = Args.getLastArg(OPT_ftype_visibility)) {
+ Opts.setTypeVisibilityMode(parseVisibility(typeVisOpt, Args, Diags));
+ } else {
+ Opts.setTypeVisibilityMode(Opts.getValueVisibilityMode());
+ }
+
+ if (Args.hasArg(OPT_fvisibility_inlines_hidden))
+ Opts.InlineVisibilityHidden = 1;
+
+ if (Args.hasArg(OPT_ftrapv)) {
+ Opts.setSignedOverflowBehavior(LangOptions::SOB_Trapping);
+ // Set the handler, if one is specified.
+ Opts.OverflowHandler =
+ Args.getLastArgValue(OPT_ftrapv_handler);
+ }
+ else if (Args.hasArg(OPT_fwrapv))
+ Opts.setSignedOverflowBehavior(LangOptions::SOB_Defined);
+
+ if (Args.hasArg(OPT_trigraphs))
+ Opts.Trigraphs = 1;
+
+ Opts.DollarIdents = Args.hasFlag(OPT_fdollars_in_identifiers,
+ OPT_fno_dollars_in_identifiers,
+ Opts.DollarIdents);
+ Opts.PascalStrings = Args.hasArg(OPT_fpascal_strings);
+ Opts.MicrosoftExt
+ = Args.hasArg(OPT_fms_extensions) || Args.hasArg(OPT_fms_compatibility);
+ Opts.MicrosoftMode = Args.hasArg(OPT_fms_compatibility);
+ Opts.AsmBlocks = Args.hasArg(OPT_fasm_blocks) || Opts.MicrosoftExt;
+ Opts.MSCVersion = getLastArgIntValue(Args, OPT_fmsc_version, 0, Diags);
+ Opts.Borland = Args.hasArg(OPT_fborland_extensions);
+ Opts.WritableStrings = Args.hasArg(OPT_fwritable_strings);
+ Opts.ConstStrings = Args.hasFlag(OPT_fconst_strings, OPT_fno_const_strings,
+ Opts.ConstStrings);
+ if (Args.hasArg(OPT_fno_lax_vector_conversions))
+ Opts.LaxVectorConversions = 0;
+ if (Args.hasArg(OPT_fno_threadsafe_statics))
+ Opts.ThreadsafeStatics = 0;
+ Opts.Exceptions = Args.hasArg(OPT_fexceptions);
+ Opts.ObjCExceptions = Args.hasArg(OPT_fobjc_exceptions);
+ Opts.CXXExceptions = Args.hasArg(OPT_fcxx_exceptions);
+ Opts.SjLjExceptions = Args.hasArg(OPT_fsjlj_exceptions);
+ Opts.TraditionalCPP = Args.hasArg(OPT_traditional_cpp);
+
+ Opts.RTTI = !Args.hasArg(OPT_fno_rtti);
+ Opts.Blocks = Args.hasArg(OPT_fblocks);
+ Opts.BlocksRuntimeOptional = Args.hasArg(OPT_fblocks_runtime_optional);
+ Opts.Modules = Args.hasArg(OPT_fmodules);
+ Opts.ModulesDeclUse = Args.hasArg(OPT_fmodules_decluse);
+ Opts.CharIsSigned = Opts.OpenCL || !Args.hasArg(OPT_fno_signed_char);
+ Opts.WChar = Opts.CPlusPlus && !Args.hasArg(OPT_fno_wchar);
+ Opts.ShortWChar = Args.hasArg(OPT_fshort_wchar);
+ Opts.ShortEnums = Args.hasArg(OPT_fshort_enums);
+ Opts.Freestanding = Args.hasArg(OPT_ffreestanding);
+ Opts.NoBuiltin = Args.hasArg(OPT_fno_builtin) || Opts.Freestanding;
+ Opts.NoMathBuiltin = Args.hasArg(OPT_fno_math_builtin);
+ Opts.AssumeSaneOperatorNew = !Args.hasArg(OPT_fno_assume_sane_operator_new);
+ Opts.SizedDeallocation |= Args.hasArg(OPT_fsized_deallocation);
+ Opts.HeinousExtensions = Args.hasArg(OPT_fheinous_gnu_extensions);
+ Opts.AccessControl = !Args.hasArg(OPT_fno_access_control);
+ Opts.ElideConstructors = !Args.hasArg(OPT_fno_elide_constructors);
+ Opts.MathErrno = !Opts.OpenCL && Args.hasArg(OPT_fmath_errno);
+ Opts.InstantiationDepth =
+ getLastArgIntValue(Args, OPT_ftemplate_depth, 256, Diags);
+ Opts.ArrowDepth =
+ getLastArgIntValue(Args, OPT_foperator_arrow_depth, 256, Diags);
+ Opts.ConstexprCallDepth =
+ getLastArgIntValue(Args, OPT_fconstexpr_depth, 512, Diags);
+ Opts.ConstexprStepLimit =
+ getLastArgIntValue(Args, OPT_fconstexpr_steps, 1048576, Diags);
+ Opts.BracketDepth = getLastArgIntValue(Args, OPT_fbracket_depth, 256, Diags);
+ Opts.DelayedTemplateParsing = Args.hasArg(OPT_fdelayed_template_parsing);
+ Opts.NumLargeByValueCopy =
+ getLastArgIntValue(Args, OPT_Wlarge_by_value_copy_EQ, 0, Diags);
+ Opts.MSBitfields = Args.hasArg(OPT_mms_bitfields);
+ Opts.ObjCConstantStringClass =
+ Args.getLastArgValue(OPT_fconstant_string_class);
+ Opts.ObjCDefaultSynthProperties =
+ !Args.hasArg(OPT_disable_objc_default_synthesize_properties);
+ Opts.EncodeExtendedBlockSig =
+ Args.hasArg(OPT_fencode_extended_block_signature);
+ Opts.EmitAllDecls = Args.hasArg(OPT_femit_all_decls);
+ Opts.PackStruct = getLastArgIntValue(Args, OPT_fpack_struct_EQ, 0, Diags);
+ Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags);
+ Opts.PIELevel = getLastArgIntValue(Args, OPT_pie_level, 0, Diags);
+ Opts.Static = Args.hasArg(OPT_static_define);
+ Opts.DumpRecordLayoutsSimple = Args.hasArg(OPT_fdump_record_layouts_simple);
+ Opts.DumpRecordLayouts = Opts.DumpRecordLayoutsSimple
+ || Args.hasArg(OPT_fdump_record_layouts);
+ Opts.DumpVTableLayouts = Args.hasArg(OPT_fdump_vtable_layouts);
+ Opts.SpellChecking = !Args.hasArg(OPT_fno_spell_checking);
+ Opts.NoBitFieldTypeAlign = Args.hasArg(OPT_fno_bitfield_type_align);
+ Opts.SinglePrecisionConstants = Args.hasArg(OPT_cl_single_precision_constant);
+ Opts.FastRelaxedMath = Args.hasArg(OPT_cl_fast_relaxed_math);
+ Opts.MRTD = Args.hasArg(OPT_mrtd);
+ Opts.HexagonQdsp6Compat = Args.hasArg(OPT_mqdsp6_compat);
+ Opts.FakeAddressSpaceMap = Args.hasArg(OPT_ffake_address_space_map);
+ Opts.ParseUnknownAnytype = Args.hasArg(OPT_funknown_anytype);
+ Opts.DebuggerSupport = Args.hasArg(OPT_fdebugger_support);
+ Opts.DebuggerCastResultToId = Args.hasArg(OPT_fdebugger_cast_result_to_id);
+ Opts.DebuggerObjCLiteral = Args.hasArg(OPT_fdebugger_objc_literal);
+ Opts.ApplePragmaPack = Args.hasArg(OPT_fapple_pragma_pack);
+ Opts.CurrentModule = Args.getLastArgValue(OPT_fmodule_name);
+
+ if (Arg *A = Args.getLastArg(OPT_faddress_space_map_mangling_EQ)) {
+ switch (llvm::StringSwitch<unsigned>(A->getValue())
+ .Case("target", LangOptions::ASMM_Target)
+ .Case("no", LangOptions::ASMM_Off)
+ .Case("yes", LangOptions::ASMM_On)
+ .Default(255)) {
+ default:
+ Diags.Report(diag::err_drv_invalid_value)
+ << "-faddress-space-map-mangling=" << A->getValue();
+ break;
+ case LangOptions::ASMM_Target:
+ Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Target);
+ break;
+ case LangOptions::ASMM_On:
+ Opts.setAddressSpaceMapMangling(LangOptions::ASMM_On);
+ break;
+ case LangOptions::ASMM_Off:
+ Opts.setAddressSpaceMapMangling(LangOptions::ASMM_Off);
+ break;
+ }
+ }
+
+ // Check if -fopenmp is specified.
+ Opts.OpenMP = Args.hasArg(OPT_fopenmp);
+
+ // Record whether the __DEPRECATED define was requested.
+ Opts.Deprecated = Args.hasFlag(OPT_fdeprecated_macro,
+ OPT_fno_deprecated_macro,
+ Opts.Deprecated);
+
+ // FIXME: Eliminate this dependency.
+ unsigned Opt = getOptimizationLevel(Args, IK, Diags),
+ OptSize = getOptimizationLevelSize(Args);
+ Opts.Optimize = Opt != 0;
+ Opts.OptimizeSize = OptSize != 0;
+
+ // This is the __NO_INLINE__ define, which just depends on things like the
+ // optimization level and -fno-inline, not actually whether the backend has
+ // inlining enabled.
+ Opts.NoInlineDefine = !Opt || Args.hasArg(OPT_fno_inline);
+
+ Opts.FastMath = Args.hasArg(OPT_ffast_math);
+ Opts.FiniteMathOnly = Args.hasArg(OPT_ffinite_math_only);
+
+ Opts.RetainCommentsFromSystemHeaders =
+ Args.hasArg(OPT_fretain_comments_from_system_headers);
+
+ unsigned SSP = getLastArgIntValue(Args, OPT_stack_protector, 0, Diags);
+ switch (SSP) {
+ default:
+ Diags.Report(diag::err_drv_invalid_value)
+ << Args.getLastArg(OPT_stack_protector)->getAsString(Args) << SSP;
+ break;
+ case 0: Opts.setStackProtector(LangOptions::SSPOff); break;
+ case 1: Opts.setStackProtector(LangOptions::SSPOn); break;
+ case 2: Opts.setStackProtector(LangOptions::SSPReq); break;
+ }
+
+ // Parse -fsanitize= arguments.
+ std::vector<std::string> Sanitizers = Args.getAllArgValues(OPT_fsanitize_EQ);
+ for (unsigned I = 0, N = Sanitizers.size(); I != N; ++I) {
+ // Since the Opts.Sanitize* values are bitfields, it's a little tricky to
+ // efficiently map string values to them. Perform the mapping indirectly:
+ // convert strings to enumerated values, then switch over the enum to set
+ // the right bitfield value.
+ enum Sanitizer {
+#define SANITIZER(NAME, ID) \
+ ID,
+#include "clang/Basic/Sanitizers.def"
+ Unknown
+ };
+ switch (llvm::StringSwitch<unsigned>(Sanitizers[I])
+#define SANITIZER(NAME, ID) \
+ .Case(NAME, ID)
+#include "clang/Basic/Sanitizers.def"
+ .Default(Unknown)) {
+#define SANITIZER(NAME, ID) \
+ case ID: \
+ Opts.Sanitize.ID = true; \
+ break;
+#include "clang/Basic/Sanitizers.def"
+
+ case Unknown:
+ Diags.Report(diag::err_drv_invalid_value)
+ << "-fsanitize=" << Sanitizers[I];
+ break;
+ }
+ }
+}
+
+static void ParsePreprocessorArgs(PreprocessorOptions &Opts, ArgList &Args,
+ FileManager &FileMgr,
+ DiagnosticsEngine &Diags) {
+ using namespace options;
+ Opts.ImplicitPCHInclude = Args.getLastArgValue(OPT_include_pch);
+ Opts.ImplicitPTHInclude = Args.getLastArgValue(OPT_include_pth);
+ if (const Arg *A = Args.getLastArg(OPT_token_cache))
+ Opts.TokenCache = A->getValue();
+ else
+ Opts.TokenCache = Opts.ImplicitPTHInclude;
+ Opts.UsePredefines = !Args.hasArg(OPT_undef);
+ Opts.DetailedRecord = Args.hasArg(OPT_detailed_preprocessing_record);
+ Opts.DisablePCHValidation = Args.hasArg(OPT_fno_validate_pch);
+
+ Opts.DumpDeserializedPCHDecls = Args.hasArg(OPT_dump_deserialized_pch_decls);
+ for (arg_iterator it = Args.filtered_begin(OPT_error_on_deserialized_pch_decl),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ Opts.DeserializedPCHDeclsToErrorOn.insert(A->getValue());
+ }
+
+ if (const Arg *A = Args.getLastArg(OPT_preamble_bytes_EQ)) {
+ StringRef Value(A->getValue());
+ size_t Comma = Value.find(',');
+ unsigned Bytes = 0;
+ unsigned EndOfLine = 0;
+
+ if (Comma == StringRef::npos ||
+ Value.substr(0, Comma).getAsInteger(10, Bytes) ||
+ Value.substr(Comma + 1).getAsInteger(10, EndOfLine))
+ Diags.Report(diag::err_drv_preamble_format);
+ else {
+ Opts.PrecompiledPreambleBytes.first = Bytes;
+ Opts.PrecompiledPreambleBytes.second = (EndOfLine != 0);
+ }
+ }
+
+ // Add macros from the command line.
+ for (arg_iterator it = Args.filtered_begin(OPT_D, OPT_U),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ if ((*it)->getOption().matches(OPT_D))
+ Opts.addMacroDef((*it)->getValue());
+ else
+ Opts.addMacroUndef((*it)->getValue());
+ }
+
+ Opts.MacroIncludes = Args.getAllArgValues(OPT_imacros);
+
+ // Add the ordered list of -includes.
+ for (arg_iterator it = Args.filtered_begin(OPT_include),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ Opts.Includes.push_back(A->getValue());
+ }
+
+ for (arg_iterator it = Args.filtered_begin(OPT_chain_include),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ Opts.ChainedIncludes.push_back(A->getValue());
+ }
+
+ // Include 'altivec.h' if -faltivec option present
+ if (Args.hasArg(OPT_faltivec))
+ Opts.Includes.push_back("altivec.h");
+
+ for (arg_iterator it = Args.filtered_begin(OPT_remap_file),
+ ie = Args.filtered_end(); it != ie; ++it) {
+ const Arg *A = *it;
+ std::pair<StringRef,StringRef> Split =
+ StringRef(A->getValue()).split(';');
+
+ if (Split.second.empty()) {
+ Diags.Report(diag::err_drv_invalid_remap_file) << A->getAsString(Args);
+ continue;
+ }
+
+ Opts.addRemappedFile(Split.first, Split.second);
+ }
+
+ if (Arg *A = Args.getLastArg(OPT_fobjc_arc_cxxlib_EQ)) {
+ StringRef Name = A->getValue();
+ unsigned Library = llvm::StringSwitch<unsigned>(Name)
+ .Case("libc++", ARCXX_libcxx)
+ .Case("libstdc++", ARCXX_libstdcxx)
+ .Case("none", ARCXX_nolib)
+ .Default(~0U);
+ if (Library == ~0U)
+ Diags.Report(diag::err_drv_invalid_value) << A->getAsString(Args) << Name;
+ else
+ Opts.ObjCXXARCStandardLibrary = (ObjCXXARCStandardLibraryKind)Library;
+ }
+}
+
+static void ParsePreprocessorOutputArgs(PreprocessorOutputOptions &Opts,
+ ArgList &Args,
+ frontend::ActionKind Action) {
+ using namespace options;
+
+ switch (Action) {
+ case frontend::ASTDeclList:
+ case frontend::ASTDump:
+ case frontend::ASTPrint:
+ case frontend::ASTView:
+ case frontend::EmitAssembly:
+ case frontend::EmitBC:
+ case frontend::EmitHTML:
+ case frontend::EmitLLVM:
+ case frontend::EmitLLVMOnly:
+ case frontend::EmitCodeGenOnly:
+ case frontend::EmitObj:
+ case frontend::FixIt:
+ case frontend::GenerateModule:
+ case frontend::GeneratePCH:
+ case frontend::GeneratePTH:
+ case frontend::ParseSyntaxOnly:
+ case frontend::ModuleFileInfo:
+ case frontend::PluginAction:
+ case frontend::PrintDeclContext:
+ case frontend::RewriteObjC:
+ case frontend::RewriteTest:
+ case frontend::RunAnalysis:
+ case frontend::MigrateSource:
+ Opts.ShowCPP = 0;
+ break;
+
+ case frontend::DumpRawTokens:
+ case frontend::DumpTokens:
+ case frontend::InitOnly:
+ case frontend::PrintPreamble:
+ case frontend::PrintPreprocessedInput:
+ case frontend::RewriteMacros:
+ case frontend::RunPreprocessorOnly:
+ Opts.ShowCPP = !Args.hasArg(OPT_dM);
+ break;
+ }
+
+ Opts.ShowComments = Args.hasArg(OPT_C);
+ Opts.ShowLineMarkers = !Args.hasArg(OPT_P);
+ Opts.ShowMacroComments = Args.hasArg(OPT_CC);
+ Opts.ShowMacros = Args.hasArg(OPT_dM) || Args.hasArg(OPT_dD);
+ Opts.RewriteIncludes = Args.hasArg(OPT_frewrite_includes);
+}
+
+static void ParseTargetArgs(TargetOptions &Opts, ArgList &Args) {
+ using namespace options;
+ Opts.ABI = Args.getLastArgValue(OPT_target_abi);
+ Opts.CXXABI = Args.getLastArgValue(OPT_cxx_abi);
+ Opts.CPU = Args.getLastArgValue(OPT_target_cpu);
+ Opts.FPMath = Args.getLastArgValue(OPT_mfpmath);
+ Opts.FeaturesAsWritten = Args.getAllArgValues(OPT_target_feature);
+ Opts.LinkerVersion = Args.getLastArgValue(OPT_target_linker_version);
+ Opts.Triple = llvm::Triple::normalize(Args.getLastArgValue(OPT_triple));
+
+ // Use the default target triple if unspecified.
+ if (Opts.Triple.empty())
+ Opts.Triple = llvm::sys::getDefaultTargetTriple();
+}
+
+//
+
+bool CompilerInvocation::CreateFromArgs(CompilerInvocation &Res,
+ const char *const *ArgBegin,
+ const char *const *ArgEnd,
+ DiagnosticsEngine &Diags) {
+ bool Success = true;
+
+ // Parse the arguments.
+ OwningPtr<OptTable> Opts(createDriverOptTable());
+ const unsigned IncludedFlagsBitmask = options::CC1Option;
+ unsigned MissingArgIndex, MissingArgCount;
+ OwningPtr<InputArgList> Args(
+ Opts->ParseArgs(ArgBegin, ArgEnd, MissingArgIndex, MissingArgCount,
+ IncludedFlagsBitmask));
+
+ // Check for missing argument error.
+ if (MissingArgCount) {
+ Diags.Report(diag::err_drv_missing_argument)
+ << Args->getArgString(MissingArgIndex) << MissingArgCount;
+ Success = false;
+ }
+
+ // Issue errors on unknown arguments.
+ for (arg_iterator it = Args->filtered_begin(OPT_UNKNOWN),
+ ie = Args->filtered_end(); it != ie; ++it) {
+ Diags.Report(diag::err_drv_unknown_argument) << (*it)->getAsString(*Args);
+ Success = false;
+ }
+
+ Success = ParseAnalyzerArgs(*Res.getAnalyzerOpts(), *Args, Diags) && Success;
+ Success = ParseMigratorArgs(Res.getMigratorOpts(), *Args) && Success;
+ ParseDependencyOutputArgs(Res.getDependencyOutputOpts(), *Args);
+ Success = ParseDiagnosticArgs(Res.getDiagnosticOpts(), *Args, &Diags)
+ && Success;
+ ParseCommentArgs(Res.getLangOpts()->CommentOpts, *Args);
+ ParseFileSystemArgs(Res.getFileSystemOpts(), *Args);
+ // FIXME: We shouldn't have to pass the DashX option around here
+ InputKind DashX = ParseFrontendArgs(Res.getFrontendOpts(), *Args, Diags);
+ Success = ParseCodeGenArgs(Res.getCodeGenOpts(), *Args, DashX, Diags)
+ && Success;
+ ParseHeaderSearchArgs(Res.getHeaderSearchOpts(), *Args);
+ if (DashX != IK_AST && DashX != IK_LLVM_IR) {
+ ParseLangArgs(*Res.getLangOpts(), *Args, DashX, Diags);
+ if (Res.getFrontendOpts().ProgramAction == frontend::RewriteObjC)
+ Res.getLangOpts()->ObjCExceptions = 1;
+ }
+ // FIXME: ParsePreprocessorArgs uses the FileManager to read the contents of
+ // PCH file and find the original header name. Remove the need to do that in
+ // ParsePreprocessorArgs and remove the FileManager
+ // parameters from the function and the "FileManager.h" #include.
+ FileManager FileMgr(Res.getFileSystemOpts());
+ ParsePreprocessorArgs(Res.getPreprocessorOpts(), *Args, FileMgr, Diags);
+ ParsePreprocessorOutputArgs(Res.getPreprocessorOutputOpts(), *Args,
+ Res.getFrontendOpts().ProgramAction);
+ ParseTargetArgs(Res.getTargetOpts(), *Args);
+
+ return Success;
+}
+
+namespace {
+
+ class ModuleSignature {
+ SmallVector<uint64_t, 16> Data;
+ unsigned CurBit;
+ uint64_t CurValue;
+
+ public:
+ ModuleSignature() : CurBit(0), CurValue(0) { }
+
+ void add(uint64_t Value, unsigned Bits);
+ void add(StringRef Value);
+ void flush();
+
+ llvm::APInt getAsInteger() const;
+ };
+}
+
+void ModuleSignature::add(uint64_t Value, unsigned int NumBits) {
+ CurValue |= Value << CurBit;
+ if (CurBit + NumBits < 64) {
+ CurBit += NumBits;
+ return;
+ }
+
+ // Add the current word.
+ Data.push_back(CurValue);
+
+ if (CurBit)
+ CurValue = Value >> (64-CurBit);
+ else
+ CurValue = 0;
+ CurBit = (CurBit+NumBits) & 63;
+}
+
+void ModuleSignature::flush() {
+ if (CurBit == 0)
+ return;
+
+ Data.push_back(CurValue);
+ CurBit = 0;
+ CurValue = 0;
+}
+
+void ModuleSignature::add(StringRef Value) {
+ for (StringRef::iterator I = Value.begin(), IEnd = Value.end(); I != IEnd;++I)
+ add(*I, 8);
+}
+
+llvm::APInt ModuleSignature::getAsInteger() const {
+ return llvm::APInt(Data.size() * 64, Data);
+}
+
+std::string CompilerInvocation::getModuleHash() const {
+ // Note: For QoI reasons, the things we use as a hash here should all be
+ // dumped via the -module-info flag.
+ using llvm::hash_code;
+ using llvm::hash_value;
+ using llvm::hash_combine;
+
+ // Start the signature with the compiler version.
+ // FIXME: We'd rather use something more cryptographically sound than
+ // CityHash, but this will do for now.
+ hash_code code = hash_value(getClangFullRepositoryVersion());
+
+ // Extend the signature with the language options
+#define LANGOPT(Name, Bits, Default, Description) \
+ code = hash_combine(code, LangOpts->Name);
+#define ENUM_LANGOPT(Name, Type, Bits, Default, Description) \
+ code = hash_combine(code, static_cast<unsigned>(LangOpts->get##Name()));
+#define BENIGN_LANGOPT(Name, Bits, Default, Description)
+#define BENIGN_ENUM_LANGOPT(Name, Type, Bits, Default, Description)
+#include "clang/Basic/LangOptions.def"
+
+ // Extend the signature with the target options.
+ code = hash_combine(code, TargetOpts->Triple, TargetOpts->CPU,
+ TargetOpts->ABI, TargetOpts->CXXABI,
+ TargetOpts->LinkerVersion);
+ for (unsigned i = 0, n = TargetOpts->FeaturesAsWritten.size(); i != n; ++i)
+ code = hash_combine(code, TargetOpts->FeaturesAsWritten[i]);
+
+ // Extend the signature with preprocessor options.
+ const PreprocessorOptions &ppOpts = getPreprocessorOpts();
+ const HeaderSearchOptions &hsOpts = getHeaderSearchOpts();
+ code = hash_combine(code, ppOpts.UsePredefines, ppOpts.DetailedRecord);
+
+ std::vector<StringRef> MacroDefs;
+ for (std::vector<std::pair<std::string, bool/*isUndef*/> >::const_iterator
+ I = getPreprocessorOpts().Macros.begin(),
+ IEnd = getPreprocessorOpts().Macros.end();
+ I != IEnd; ++I) {
+ // If we're supposed to ignore this macro for the purposes of modules,
+ // don't put it into the hash.
+ if (!hsOpts.ModulesIgnoreMacros.empty()) {
+ // Check whether we're ignoring this macro.
+ StringRef MacroDef = I->first;
+ if (hsOpts.ModulesIgnoreMacros.count(MacroDef.split('=').first))
+ continue;
+ }
+
+ code = hash_combine(code, I->first, I->second);
+ }
+
+ // Extend the signature with the sysroot.
+ code = hash_combine(code, hsOpts.Sysroot, hsOpts.UseBuiltinIncludes,
+ hsOpts.UseStandardSystemIncludes,
+ hsOpts.UseStandardCXXIncludes,
+ hsOpts.UseLibcxx);
+
+ // Darwin-specific hack: if we have a sysroot, use the contents and
+ // modification time of
+ // $sysroot/System/Library/CoreServices/SystemVersion.plist
+ // as part of the module hash.
+ if (!hsOpts.Sysroot.empty()) {
+ llvm::OwningPtr<llvm::MemoryBuffer> buffer;
+ SmallString<128> systemVersionFile;
+ systemVersionFile += hsOpts.Sysroot;
+ llvm::sys::path::append(systemVersionFile, "System");
+ llvm::sys::path::append(systemVersionFile, "Library");
+ llvm::sys::path::append(systemVersionFile, "CoreServices");
+ llvm::sys::path::append(systemVersionFile, "SystemVersion.plist");
+ if (!llvm::MemoryBuffer::getFile(systemVersionFile.str(), buffer)) {
+ code = hash_combine(code, buffer.get()->getBuffer());
+
+ struct stat statBuf;
+ if (stat(systemVersionFile.c_str(), &statBuf) == 0)
+ code = hash_combine(code, statBuf.st_mtime);
+ }
+ }
+
+ return llvm::APInt(64, code).toString(36, /*Signed=*/false);
+}
+
+namespace clang {
+
+// Declared in clang/Frontend/Utils.h.
+int getLastArgIntValue(const ArgList &Args, OptSpecifier Id, int Default,
+ DiagnosticsEngine *Diags) {
+ int Res = Default;
+ if (Arg *A = Args.getLastArg(Id)) {
+ if (StringRef(A->getValue()).getAsInteger(10, Res)) {
+ if (Diags)
+ Diags->Report(diag::err_drv_invalid_int_value) << A->getAsString(Args)
+ << A->getValue();
+ }
+ }
+ return Res;
+}
+}