#include "CoverageMappingGen.h"
#include "clang/AST/ASTConsumer.h"
#include "clang/AST/ASTContext.h"
#include "clang/AST/DeclCXX.h"
#include "clang/AST/DeclGroup.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/CodeGen/BackendUtil.h"
#include "clang/CodeGen/CodeGenAction.h"
#include "clang/CodeGen/ModuleBuilder.h"
#include "clang/Frontend/CompilerInstance.h"
#include "clang/Frontend/FrontendDiagnostic.h"
#include "clang/Lex/Preprocessor.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/Bitcode/ReaderWriter.h"
#include "llvm/IR/DebugInfo.h"
#include "llvm/IR/DiagnosticInfo.h"
#include "llvm/IR/DiagnosticPrinter.h"
#include "llvm/IR/LLVMContext.h"
#include "llvm/IR/Module.h"
#include "llvm/IRReader/IRReader.h"
#include "llvm/Linker/Linker.h"
#include "llvm/Pass.h"
#include "llvm/Support/MemoryBuffer.h"
#include "llvm/Support/SourceMgr.h"
#include "llvm/Support/Timer.h"
#include <memory>
using namespace clang;
using namespace llvm;
namespace clang {
class BackendConsumer : public ASTConsumer {
virtual void anchor();
DiagnosticsEngine &Diags;
BackendAction Action;
const CodeGenOptions &CodeGenOpts;
const TargetOptions &TargetOpts;
const LangOptions &LangOpts;
raw_pwrite_stream *AsmOutStream;
ASTContext *Context;
Timer LLVMIRGeneration;
std::unique_ptr<CodeGenerator> Gen;
std::unique_ptr<llvm::Module> TheModule;
SmallVector<std::pair<unsigned, std::unique_ptr<llvm::Module>>, 4>
LinkModules;
llvm::Module *CurLinkModule = nullptr;
public:
BackendConsumer(
BackendAction Action, DiagnosticsEngine &Diags,
const HeaderSearchOptions &HeaderSearchOpts,
const PreprocessorOptions &PPOpts, const CodeGenOptions &CodeGenOpts,
const TargetOptions &TargetOpts, const LangOptions &LangOpts,
bool TimePasses, const std::string &InFile,
const SmallVectorImpl<std::pair<unsigned, llvm::Module *>> &LinkModules,
raw_pwrite_stream *OS, LLVMContext &C,
CoverageSourceInfo *CoverageInfo = nullptr)
: Diags(Diags), Action(Action), CodeGenOpts(CodeGenOpts),
TargetOpts(TargetOpts), LangOpts(LangOpts), AsmOutStream(OS),
Context(nullptr), LLVMIRGeneration("LLVM IR Generation Time"),
Gen(CreateLLVMCodeGen(Diags, InFile, HeaderSearchOpts, PPOpts,
CodeGenOpts, C, CoverageInfo)) {
llvm::TimePassesIsEnabled = TimePasses;
for (auto &I : LinkModules)
this->LinkModules.push_back(
std::make_pair(I.first, std::unique_ptr<llvm::Module>(I.second)));
}
std::unique_ptr<llvm::Module> takeModule() { return std::move(TheModule); }
void releaseLinkModules() {
for (auto &I : LinkModules)
I.second.release();
}
void HandleCXXStaticMemberVarInstantiation(VarDecl *VD) override {
Gen->HandleCXXStaticMemberVarInstantiation(VD);
}
void Initialize(ASTContext &Ctx) override {
assert(!Context && "initialized multiple times");
Context = &Ctx;
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->Initialize(Ctx);
TheModule.reset(Gen->GetModule());
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
}
bool HandleTopLevelDecl(DeclGroupRef D) override {
PrettyStackTraceDecl CrashInfo(*D.begin(), SourceLocation(),
Context->getSourceManager(),
"LLVM IR generation of declaration");
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->HandleTopLevelDecl(D);
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
return true;
}
void HandleInlineMethodDefinition(CXXMethodDecl *D) override {
PrettyStackTraceDecl CrashInfo(D, SourceLocation(),
Context->getSourceManager(),
"LLVM IR generation of inline method");
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->HandleInlineMethodDefinition(D);
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
}
void HandleTranslationUnit(ASTContext &C) override {
{
PrettyStackTraceString CrashInfo("Per-file LLVM IR generation");
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.startTimer();
Gen->HandleTranslationUnit(C);
if (llvm::TimePassesIsEnabled)
LLVMIRGeneration.stopTimer();
}
if (!TheModule)
return;
llvm::Module *M = Gen->ReleaseModule();
if (!M) {
TheModule.release();
return;
}
assert(TheModule.get() == M &&
"Unexpected module change during IR generation");
LLVMContext &Ctx = TheModule->getContext();
LLVMContext::InlineAsmDiagHandlerTy OldHandler =
Ctx.getInlineAsmDiagnosticHandler();
void *OldContext = Ctx.getInlineAsmDiagnosticContext();
Ctx.setInlineAsmDiagnosticHandler(InlineAsmDiagHandler, this);
LLVMContext::DiagnosticHandlerTy OldDiagnosticHandler =
Ctx.getDiagnosticHandler();
void *OldDiagnosticContext = Ctx.getDiagnosticContext();
Ctx.setDiagnosticHandler(DiagnosticHandler, this);
for (auto &I : LinkModules) {
unsigned LinkFlags = I.first;
CurLinkModule = I.second.get();
if (Linker::linkModules(*M, std::move(I.second), LinkFlags))
return;
}
EmbedBitcode(TheModule.get(), CodeGenOpts, llvm::MemoryBufferRef());
EmitBackendOutput(Diags, CodeGenOpts, TargetOpts, LangOpts,
C.getTargetInfo().getDataLayoutString(),
TheModule.get(), Action, AsmOutStream);
Ctx.setInlineAsmDiagnosticHandler(OldHandler, OldContext);
Ctx.setDiagnosticHandler(OldDiagnosticHandler, OldDiagnosticContext);
}
void HandleTagDeclDefinition(TagDecl *D) override {
PrettyStackTraceDecl CrashInfo(D, SourceLocation(),
Context->getSourceManager(),
"LLVM IR generation of declaration");
Gen->HandleTagDeclDefinition(D);
}
void HandleTagDeclRequiredDefinition(const TagDecl *D) override {
Gen->HandleTagDeclRequiredDefinition(D);
}
void CompleteTentativeDefinition(VarDecl *D) override {
Gen->CompleteTentativeDefinition(D);
}
void HandleVTable(CXXRecordDecl *RD) override {
Gen->HandleVTable(RD);
}
void HandleLinkerOption(llvm::StringRef Opts) override {
Gen->HandleLinkerOption(Opts);
}
void HandleDetectMismatch(llvm::StringRef Name,
llvm::StringRef Value) override {
Gen->HandleDetectMismatch(Name, Value);
}
void HandleDependentLibrary(llvm::StringRef Opts) override {
Gen->HandleDependentLibrary(Opts);
}
static void InlineAsmDiagHandler(const llvm::SMDiagnostic &SM,void *Context,
unsigned LocCookie) {
SourceLocation Loc = SourceLocation::getFromRawEncoding(LocCookie);
((BackendConsumer*)Context)->InlineAsmDiagHandler2(SM, Loc);
}
static void DiagnosticHandler(const llvm::DiagnosticInfo &DI,
void *Context) {
((BackendConsumer *)Context)->DiagnosticHandlerImpl(DI);
}
void InlineAsmDiagHandler2(const llvm::SMDiagnostic &,
SourceLocation LocCookie);
void DiagnosticHandlerImpl(const llvm::DiagnosticInfo &DI);
bool InlineAsmDiagHandler(const llvm::DiagnosticInfoInlineAsm &D);
bool StackSizeDiagHandler(const llvm::DiagnosticInfoStackSize &D);
void EmitOptimizationMessage(const llvm::DiagnosticInfoOptimizationBase &D,
unsigned DiagID);
void
OptimizationRemarkHandler(const llvm::DiagnosticInfoOptimizationRemark &D);
void OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkMissed &D);
void OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkAnalysis &D);
void OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkAnalysisFPCommute &D);
void OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkAnalysisAliasing &D);
void OptimizationFailureHandler(
const llvm::DiagnosticInfoOptimizationFailure &D);
};
void BackendConsumer::anchor() {}
}
static FullSourceLoc ConvertBackendLocation(const llvm::SMDiagnostic &D,
SourceManager &CSM) {
const llvm::SourceMgr &LSM = *D.getSourceMgr();
const MemoryBuffer *LBuf =
LSM.getMemoryBuffer(LSM.FindBufferContainingLoc(D.getLoc()));
std::unique_ptr<llvm::MemoryBuffer> CBuf =
llvm::MemoryBuffer::getMemBufferCopy(LBuf->getBuffer(),
LBuf->getBufferIdentifier());
FileID FID = CSM.createFileID(std::move(CBuf));
unsigned Offset = D.getLoc().getPointer() - LBuf->getBufferStart();
SourceLocation NewLoc =
CSM.getLocForStartOfFile(FID).getLocWithOffset(Offset);
return FullSourceLoc(NewLoc, CSM);
}
void BackendConsumer::InlineAsmDiagHandler2(const llvm::SMDiagnostic &D,
SourceLocation LocCookie) {
StringRef Message = D.getMessage();
if (Message.startswith("error: "))
Message = Message.substr(7);
FullSourceLoc Loc;
if (D.getLoc() != SMLoc())
Loc = ConvertBackendLocation(D, Context->getSourceManager());
unsigned DiagID;
switch (D.getKind()) {
case llvm::SourceMgr::DK_Error:
DiagID = diag::err_fe_inline_asm;
break;
case llvm::SourceMgr::DK_Warning:
DiagID = diag::warn_fe_inline_asm;
break;
case llvm::SourceMgr::DK_Note:
DiagID = diag::note_fe_inline_asm;
break;
}
if (LocCookie.isValid()) {
Diags.Report(LocCookie, DiagID).AddString(Message);
if (D.getLoc().isValid()) {
DiagnosticBuilder B = Diags.Report(Loc, diag::note_fe_inline_asm_here);
for (const std::pair<unsigned, unsigned> &Range : D.getRanges()) {
unsigned Column = D.getColumnNo();
B << SourceRange(Loc.getLocWithOffset(Range.first - Column),
Loc.getLocWithOffset(Range.second - Column));
}
}
return;
}
Diags.Report(Loc, DiagID).AddString(Message);
}
#define ComputeDiagID(Severity, GroupName, DiagID) \
do { \
switch (Severity) { \
case llvm::DS_Error: \
DiagID = diag::err_fe_##GroupName; \
break; \
case llvm::DS_Warning: \
DiagID = diag::warn_fe_##GroupName; \
break; \
case llvm::DS_Remark: \
llvm_unreachable("'remark' severity not expected"); \
break; \
case llvm::DS_Note: \
DiagID = diag::note_fe_##GroupName; \
break; \
} \
} while (false)
#define ComputeDiagRemarkID(Severity, GroupName, DiagID) \
do { \
switch (Severity) { \
case llvm::DS_Error: \
DiagID = diag::err_fe_##GroupName; \
break; \
case llvm::DS_Warning: \
DiagID = diag::warn_fe_##GroupName; \
break; \
case llvm::DS_Remark: \
DiagID = diag::remark_fe_##GroupName; \
break; \
case llvm::DS_Note: \
DiagID = diag::note_fe_##GroupName; \
break; \
} \
} while (false)
bool
BackendConsumer::InlineAsmDiagHandler(const llvm::DiagnosticInfoInlineAsm &D) {
unsigned DiagID;
ComputeDiagID(D.getSeverity(), inline_asm, DiagID);
std::string Message = D.getMsgStr().str();
SourceLocation LocCookie =
SourceLocation::getFromRawEncoding(D.getLocCookie());
if (LocCookie.isValid())
Diags.Report(LocCookie, DiagID).AddString(Message);
else {
FullSourceLoc Loc;
Diags.Report(Loc, DiagID).AddString(Message);
}
return true;
}
bool
BackendConsumer::StackSizeDiagHandler(const llvm::DiagnosticInfoStackSize &D) {
if (D.getSeverity() != llvm::DS_Warning)
return false;
if (const Decl *ND = Gen->GetDeclForMangledName(D.getFunction().getName())) {
Diags.Report(ND->getASTContext().getFullLoc(ND->getLocation()),
diag::warn_fe_frame_larger_than)
<< D.getStackSize() << Decl::castToDeclContext(ND);
return true;
}
return false;
}
void BackendConsumer::EmitOptimizationMessage(
const llvm::DiagnosticInfoOptimizationBase &D, unsigned DiagID) {
assert(D.getSeverity() == llvm::DS_Remark ||
D.getSeverity() == llvm::DS_Warning);
SourceManager &SourceMgr = Context->getSourceManager();
FileManager &FileMgr = SourceMgr.getFileManager();
StringRef Filename;
unsigned Line, Column;
SourceLocation DILoc;
if (D.isLocationAvailable()) {
D.getLocation(&Filename, &Line, &Column);
const FileEntry *FE = FileMgr.getFile(Filename);
if (FE && Line > 0) {
DILoc = SourceMgr.translateFileLineCol(FE, Line, Column ? Column : 1);
}
}
FullSourceLoc Loc(DILoc, SourceMgr);
if (Loc.isInvalid())
if (const Decl *FD = Gen->GetDeclForMangledName(D.getFunction().getName()))
Loc = FD->getASTContext().getFullLoc(FD->getBodyRBrace());
Diags.Report(Loc, DiagID)
<< AddFlagValue(D.getPassName() ? D.getPassName() : "")
<< D.getMsg().str();
if (DILoc.isInvalid() && D.isLocationAvailable())
Diags.Report(Loc, diag::note_fe_backend_optimization_remark_invalid_loc)
<< Filename << Line << Column;
}
void BackendConsumer::OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemark &D) {
if (CodeGenOpts.OptimizationRemarkPattern &&
CodeGenOpts.OptimizationRemarkPattern->match(D.getPassName()))
EmitOptimizationMessage(D, diag::remark_fe_backend_optimization_remark);
}
void BackendConsumer::OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkMissed &D) {
if (CodeGenOpts.OptimizationRemarkMissedPattern &&
CodeGenOpts.OptimizationRemarkMissedPattern->match(D.getPassName()))
EmitOptimizationMessage(D,
diag::remark_fe_backend_optimization_remark_missed);
}
void BackendConsumer::OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkAnalysis &D) {
if (D.getPassName() == llvm::DiagnosticInfo::AlwaysPrint ||
(CodeGenOpts.OptimizationRemarkAnalysisPattern &&
CodeGenOpts.OptimizationRemarkAnalysisPattern->match(D.getPassName())))
EmitOptimizationMessage(
D, diag::remark_fe_backend_optimization_remark_analysis);
}
void BackendConsumer::OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkAnalysisFPCommute &D) {
if (D.getPassName() == llvm::DiagnosticInfo::AlwaysPrint ||
(CodeGenOpts.OptimizationRemarkAnalysisPattern &&
CodeGenOpts.OptimizationRemarkAnalysisPattern->match(D.getPassName())))
EmitOptimizationMessage(
D, diag::remark_fe_backend_optimization_remark_analysis_fpcommute);
}
void BackendConsumer::OptimizationRemarkHandler(
const llvm::DiagnosticInfoOptimizationRemarkAnalysisAliasing &D) {
if (D.getPassName() == llvm::DiagnosticInfo::AlwaysPrint ||
(CodeGenOpts.OptimizationRemarkAnalysisPattern &&
CodeGenOpts.OptimizationRemarkAnalysisPattern->match(D.getPassName())))
EmitOptimizationMessage(
D, diag::remark_fe_backend_optimization_remark_analysis_aliasing);
}
void BackendConsumer::OptimizationFailureHandler(
const llvm::DiagnosticInfoOptimizationFailure &D) {
EmitOptimizationMessage(D, diag::warn_fe_backend_optimization_failure);
}
void BackendConsumer::DiagnosticHandlerImpl(const DiagnosticInfo &DI) {
unsigned DiagID = diag::err_fe_inline_asm;
llvm::DiagnosticSeverity Severity = DI.getSeverity();
switch (DI.getKind()) {
case llvm::DK_InlineAsm:
if (InlineAsmDiagHandler(cast<DiagnosticInfoInlineAsm>(DI)))
return;
ComputeDiagID(Severity, inline_asm, DiagID);
break;
case llvm::DK_StackSize:
if (StackSizeDiagHandler(cast<DiagnosticInfoStackSize>(DI)))
return;
ComputeDiagID(Severity, backend_frame_larger_than, DiagID);
break;
case DK_Linker:
assert(CurLinkModule);
if (Severity != DS_Error)
return;
DiagID = diag::err_fe_cannot_link_module;
break;
case llvm::DK_OptimizationRemark:
OptimizationRemarkHandler(cast<DiagnosticInfoOptimizationRemark>(DI));
return;
case llvm::DK_OptimizationRemarkMissed:
OptimizationRemarkHandler(cast<DiagnosticInfoOptimizationRemarkMissed>(DI));
return;
case llvm::DK_OptimizationRemarkAnalysis:
OptimizationRemarkHandler(
cast<DiagnosticInfoOptimizationRemarkAnalysis>(DI));
return;
case llvm::DK_OptimizationRemarkAnalysisFPCommute:
OptimizationRemarkHandler(
cast<DiagnosticInfoOptimizationRemarkAnalysisFPCommute>(DI));
return;
case llvm::DK_OptimizationRemarkAnalysisAliasing:
OptimizationRemarkHandler(
cast<DiagnosticInfoOptimizationRemarkAnalysisAliasing>(DI));
return;
case llvm::DK_OptimizationFailure:
OptimizationFailureHandler(cast<DiagnosticInfoOptimizationFailure>(DI));
return;
default:
ComputeDiagRemarkID(Severity, backend_plugin, DiagID);
break;
}
std::string MsgStorage;
{
raw_string_ostream Stream(MsgStorage);
DiagnosticPrinterRawOStream DP(Stream);
DI.print(DP);
}
if (DiagID == diag::err_fe_cannot_link_module) {
Diags.Report(diag::err_fe_cannot_link_module)
<< CurLinkModule->getModuleIdentifier() << MsgStorage;
return;
}
FullSourceLoc Loc;
Diags.Report(Loc, DiagID).AddString(MsgStorage);
}
#undef ComputeDiagID
CodeGenAction::CodeGenAction(unsigned _Act, LLVMContext *_VMContext)
: Act(_Act), VMContext(_VMContext ? _VMContext : new LLVMContext),
OwnsVMContext(!_VMContext) {}
CodeGenAction::~CodeGenAction() {
TheModule.reset();
if (OwnsVMContext)
delete VMContext;
}
bool CodeGenAction::hasIRSupport() const { return true; }
void CodeGenAction::EndSourceFileAction() {
if (!getCompilerInstance().hasASTConsumer())
return;
if (!LinkModules.empty())
BEConsumer->releaseLinkModules();
TheModule = BEConsumer->takeModule();
}
std::unique_ptr<llvm::Module> CodeGenAction::takeModule() {
return std::move(TheModule);
}
llvm::LLVMContext *CodeGenAction::takeLLVMContext() {
OwnsVMContext = false;
return VMContext;
}
static raw_pwrite_stream *
GetOutputStream(CompilerInstance &CI, StringRef InFile, BackendAction Action) {
switch (Action) {
case Backend_EmitAssembly:
return CI.createDefaultOutputFile(false, InFile, "s");
case Backend_EmitLL:
return CI.createDefaultOutputFile(false, InFile, "ll");
case Backend_EmitBC:
return CI.createDefaultOutputFile(true, InFile, "bc");
case Backend_EmitNothing:
return nullptr;
case Backend_EmitMCNull:
return CI.createNullOutputFile();
case Backend_EmitObj:
return CI.createDefaultOutputFile(true, InFile, "o");
}
llvm_unreachable("Invalid action!");
}
std::unique_ptr<ASTConsumer>
CodeGenAction::CreateASTConsumer(CompilerInstance &CI, StringRef InFile) {
BackendAction BA = static_cast<BackendAction>(Act);
raw_pwrite_stream *OS = GetOutputStream(CI, InFile, BA);
if (BA != Backend_EmitNothing && !OS)
return nullptr;
if (LinkModules.empty())
for (auto &I : CI.getCodeGenOpts().LinkBitcodeFiles) {
const std::string &LinkBCFile = I.second;
auto BCBuf = CI.getFileManager().getBufferForFile(LinkBCFile);
if (!BCBuf) {
CI.getDiagnostics().Report(diag::err_cannot_open_file)
<< LinkBCFile << BCBuf.getError().message();
LinkModules.clear();
return nullptr;
}
ErrorOr<std::unique_ptr<llvm::Module>> ModuleOrErr =
getLazyBitcodeModule(std::move(*BCBuf), *VMContext);
if (std::error_code EC = ModuleOrErr.getError()) {
CI.getDiagnostics().Report(diag::err_cannot_open_file) << LinkBCFile
<< EC.message();
LinkModules.clear();
return nullptr;
}
addLinkModule(ModuleOrErr.get().release(), I.first);
}
CoverageSourceInfo *CoverageInfo = nullptr;
if (CI.getCodeGenOpts().CoverageMapping) {
CoverageInfo = new CoverageSourceInfo;
CI.getPreprocessor().addPPCallbacks(
std::unique_ptr<PPCallbacks>(CoverageInfo));
}
std::unique_ptr<BackendConsumer> Result(new BackendConsumer(
BA, CI.getDiagnostics(), CI.getHeaderSearchOpts(),
CI.getPreprocessorOpts(), CI.getCodeGenOpts(), CI.getTargetOpts(),
CI.getLangOpts(), CI.getFrontendOpts().ShowTimers, InFile, LinkModules,
OS, *VMContext, CoverageInfo));
BEConsumer = Result.get();
return std::move(Result);
}
static void BitcodeInlineAsmDiagHandler(const llvm::SMDiagnostic &SM,
void *Context,
unsigned LocCookie) {
SM.print(nullptr, llvm::errs());
auto Diags = static_cast<DiagnosticsEngine *>(Context);
unsigned DiagID;
switch (SM.getKind()) {
case llvm::SourceMgr::DK_Error:
DiagID = diag::err_fe_inline_asm;
break;
case llvm::SourceMgr::DK_Warning:
DiagID = diag::warn_fe_inline_asm;
break;
case llvm::SourceMgr::DK_Note:
DiagID = diag::note_fe_inline_asm;
break;
}
Diags->Report(DiagID).AddString("cannot compile inline asm");
}
void CodeGenAction::ExecuteAction() {
if (getCurrentFileKind() == IK_LLVM_IR) {
BackendAction BA = static_cast<BackendAction>(Act);
CompilerInstance &CI = getCompilerInstance();
raw_pwrite_stream *OS = GetOutputStream(CI, getCurrentFile(), BA);
if (BA != Backend_EmitNothing && !OS)
return;
bool Invalid;
SourceManager &SM = CI.getSourceManager();
FileID FID = SM.getMainFileID();
llvm::MemoryBuffer *MainFile = SM.getBuffer(FID, &Invalid);
if (Invalid)
return;
llvm::SMDiagnostic Err;
TheModule = parseIR(MainFile->getMemBufferRef(), Err, *VMContext);
if (!TheModule) {
SourceLocation Loc;
if (Err.getLineNo() > 0) {
assert(Err.getColumnNo() >= 0);
Loc = SM.translateFileLineCol(SM.getFileEntryForID(FID),
Err.getLineNo(), Err.getColumnNo() + 1);
}
StringRef Msg = Err.getMessage();
if (Msg.startswith("error: "))
Msg = Msg.substr(7);
unsigned DiagID =
CI.getDiagnostics().getCustomDiagID(DiagnosticsEngine::Error, "%0");
CI.getDiagnostics().Report(Loc, DiagID) << Msg;
return;
}
const TargetOptions &TargetOpts = CI.getTargetOpts();
if (TheModule->getTargetTriple() != TargetOpts.Triple) {
CI.getDiagnostics().Report(SourceLocation(),
diag::warn_fe_override_module)
<< TargetOpts.Triple;
TheModule->setTargetTriple(TargetOpts.Triple);
}
EmbedBitcode(TheModule.get(), CI.getCodeGenOpts(),
MainFile->getMemBufferRef());
if (CI.getCodeGenOpts().DisableBitcodeAsm &&
ContainInlineAsm(TheModule.get())) {
CI.getDiagnostics().Report(SourceLocation(),
diag::err_inline_asm_not_allowed);
return;
}
LLVMContext &Ctx = TheModule->getContext();
Ctx.setInlineAsmDiagnosticHandler(BitcodeInlineAsmDiagHandler,
&CI.getDiagnostics());
EmitBackendOutput(CI.getDiagnostics(), CI.getCodeGenOpts(), TargetOpts,
CI.getLangOpts(), CI.getTarget().getDataLayoutString(),
TheModule.get(), BA, OS);
return;
}
this->ASTFrontendAction::ExecuteAction();
}
void EmitAssemblyAction::anchor() { }
EmitAssemblyAction::EmitAssemblyAction(llvm::LLVMContext *_VMContext)
: CodeGenAction(Backend_EmitAssembly, _VMContext) {}
void EmitBCAction::anchor() { }
EmitBCAction::EmitBCAction(llvm::LLVMContext *_VMContext)
: CodeGenAction(Backend_EmitBC, _VMContext) {}
void EmitLLVMAction::anchor() { }
EmitLLVMAction::EmitLLVMAction(llvm::LLVMContext *_VMContext)
: CodeGenAction(Backend_EmitLL, _VMContext) {}
void EmitLLVMOnlyAction::anchor() { }
EmitLLVMOnlyAction::EmitLLVMOnlyAction(llvm::LLVMContext *_VMContext)
: CodeGenAction(Backend_EmitNothing, _VMContext) {}
void EmitCodeGenOnlyAction::anchor() { }
EmitCodeGenOnlyAction::EmitCodeGenOnlyAction(llvm::LLVMContext *_VMContext)
: CodeGenAction(Backend_EmitMCNull, _VMContext) {}
void EmitObjAction::anchor() { }
EmitObjAction::EmitObjAction(llvm::LLVMContext *_VMContext)
: CodeGenAction(Backend_EmitObj, _VMContext) {}