#include "llvm/Support/TargetSelect.h"
#include "llvm/Support/ToolOutputFile.h"
#include "llvm/Support/raw_ostream.h"
-#include "llvm/Support/system_error.h"
#include "llvm/Target/TargetLibraryInfo.h"
#include "llvm/Target/TargetLowering.h"
#include "llvm/Target/TargetOptions.h"
#include "llvm/Target/TargetRegisterInfo.h"
+#include "llvm/Target/TargetSubtargetInfo.h"
#include "llvm/Transforms/IPO.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include "llvm/Transforms/ObjCARC.h"
+#include <system_error>
using namespace llvm;
const char* LTOCodeGenerator::getVersionString() {
: Context(getGlobalContext()), IRLinker(new Module("ld-temp.o", Context)),
TargetMach(nullptr), EmitDwarfDebugInfo(false),
ScopeRestrictionsDone(false), CodeModel(LTO_CODEGEN_PIC_MODEL_DEFAULT),
- NativeObjectFile(nullptr), DiagHandler(nullptr), DiagContext(nullptr) {
+ DiagHandler(nullptr), DiagContext(nullptr) {
initializeLTOPasses();
}
LTOCodeGenerator::~LTOCodeGenerator() {
delete TargetMach;
- delete NativeObjectFile;
TargetMach = nullptr;
- NativeObjectFile = nullptr;
IRLinker.deleteModule();
initializeConstantMergePass(R);
initializeDAHPass(R);
initializeInstCombinerPass(R);
- initializeJumpInstrTablesPass(R);
initializeSimpleInlinerPass(R);
initializePruneEHPass(R);
initializeGlobalDCEPass(R);
initializeFunctionAttrsPass(R);
initializeGlobalsModRefPass(R);
initializeLICMPass(R);
+ initializeMergedLoadStoreMotionPass(R);
initializeGVNPass(R);
initializeMemCpyOptPass(R);
initializeDCEPass(R);
}
bool LTOCodeGenerator::addModule(LTOModule* mod, std::string& errMsg) {
- bool ret = IRLinker.linkInModule(mod->getLLVVMModule(), &errMsg);
+ bool ret = IRLinker.linkInModule(&mod->getModule(), &errMsg);
const std::vector<const char*> &undefs = mod->getAsmUndefinedRefs();
for (int i = 0, e = undefs.size(); i != e; ++i)
}
void LTOCodeGenerator::setTargetOptions(TargetOptions options) {
- Options.LessPreciseFPMADOption = options.LessPreciseFPMADOption;
- Options.NoFramePointerElim = options.NoFramePointerElim;
- Options.AllowFPOpFusion = options.AllowFPOpFusion;
- Options.UnsafeFPMath = options.UnsafeFPMath;
- Options.NoInfsFPMath = options.NoInfsFPMath;
- Options.NoNaNsFPMath = options.NoNaNsFPMath;
- Options.HonorSignDependentRoundingFPMathOption =
- options.HonorSignDependentRoundingFPMathOption;
- Options.UseSoftFloat = options.UseSoftFloat;
- Options.FloatABIType = options.FloatABIType;
- Options.NoZerosInBSS = options.NoZerosInBSS;
- Options.GuaranteedTailCallOpt = options.GuaranteedTailCallOpt;
- Options.DisableTailCalls = options.DisableTailCalls;
- Options.StackAlignmentOverride = options.StackAlignmentOverride;
- Options.TrapFuncName = options.TrapFuncName;
- Options.PositionIndependentExecutable = options.PositionIndependentExecutable;
- Options.UseInitArray = options.UseInitArray;
+ Options = options;
}
void LTOCodeGenerator::setDebugInfo(lto_debug_model debug) {
applyScopeRestrictions();
// create output file
- std::string ErrInfo;
- tool_output_file Out(path, ErrInfo, sys::fs::F_None);
- if (!ErrInfo.empty()) {
+ std::error_code EC;
+ tool_output_file Out(path, EC, sys::fs::F_None);
+ if (EC) {
errMsg = "could not open bitcode file for writing: ";
errMsg += path;
return false;
// make unique temp .o file to put generated object file
SmallString<128> Filename;
int FD;
- error_code EC = sys::fs::createTemporaryFile("lto-llvm", "o", FD, Filename);
+ std::error_code EC =
+ sys::fs::createTemporaryFile("lto-llvm", "o", FD, Filename);
if (EC) {
errMsg = EC.message();
return false;
errMsg))
return nullptr;
- // remove old buffer if compile() called twice
- delete NativeObjectFile;
-
// read .o file into memory buffer
- std::unique_ptr<MemoryBuffer> BuffPtr;
- if (error_code ec = MemoryBuffer::getFile(name, BuffPtr, -1, false)) {
- errMsg = ec.message();
+ ErrorOr<std::unique_ptr<MemoryBuffer>> BufferOrErr =
+ MemoryBuffer::getFile(name, -1, false);
+ if (std::error_code EC = BufferOrErr.getError()) {
+ errMsg = EC.message();
sys::fs::remove(NativeObjectPath);
return nullptr;
}
- NativeObjectFile = BuffPtr.release();
+ NativeObjectFile = std::move(*BufferOrErr);
// remove temp files
sys::fs::remove(NativeObjectPath);
MCpu = "core2";
else if (Triple.getArch() == llvm::Triple::x86)
MCpu = "yonah";
- else if (Triple.getArch() == llvm::Triple::arm64 ||
- Triple.getArch() == llvm::Triple::aarch64)
+ else if (Triple.getArch() == llvm::Triple::aarch64)
MCpu = "cyclone";
}
void LTOCodeGenerator::
applyRestriction(GlobalValue &GV,
- const ArrayRef<StringRef> &Libcalls,
+ ArrayRef<StringRef> Libcalls,
std::vector<const char*> &MustPreserveList,
- SmallPtrSet<GlobalValue*, 8> &AsmUsed,
+ SmallPtrSetImpl<GlobalValue*> &AsmUsed,
Mangler &Mangler) {
// There are no restrictions to apply to declarations.
if (GV.isDeclaration())
}
static void findUsedValues(GlobalVariable *LLVMUsed,
- SmallPtrSet<GlobalValue*, 8> &UsedValues) {
+ SmallPtrSetImpl<GlobalValue*> &UsedValues) {
if (!LLVMUsed) return;
ConstantArray *Inits = cast<ConstantArray>(LLVMUsed->getInitializer());
passes.add(createDebugInfoVerifierPass());
// mark which symbols can not be internalized
- Mangler Mangler(TargetMach->getDataLayout());
+ Mangler Mangler(TargetMach->getSubtargetImpl()->getDataLayout());
std::vector<const char*> MustPreserveList;
SmallPtrSet<GlobalValue*, 8> AsmUsed;
std::vector<StringRef> Libcalls;
TargetLibraryInfo TLI(Triple(TargetMach->getTargetTriple()));
- accumulateAndSortLibcalls(Libcalls, TLI, TargetMach->getTargetLowering());
+ accumulateAndSortLibcalls(
+ Libcalls, TLI, TargetMach->getSubtargetImpl()->getTargetLowering());
for (Module::iterator f = mergedModule->begin(),
e = mergedModule->end(); f != e; ++f)
// Instantiate the pass manager to organize the passes.
PassManager passes;
- // Start off with a verification pass.
- passes.add(createVerifierPass());
- passes.add(createDebugInfoVerifierPass());
-
// Add an appropriate DataLayout instance for this module...
- mergedModule->setDataLayout(TargetMach->getDataLayout());
- passes.add(new DataLayoutPass(mergedModule));
-
- // Add appropriate TargetLibraryInfo for this module.
- passes.add(new TargetLibraryInfo(Triple(TargetMach->getTargetTriple())));
-
- TargetMach->addAnalysisPasses(passes);
+ mergedModule->setDataLayout(TargetMach->getSubtargetImpl()->getDataLayout());
- // Enabling internalize here would use its AllButMain variant. It
- // keeps only main if it exists and does nothing for libraries. Instead
- // we create the pass ourselves with the symbol list provided by the linker.
- if (!DisableOpt)
- PassManagerBuilder().populateLTOPassManager(passes,
- /*Internalize=*/false,
- !DisableInline,
- DisableGVNLoadPRE);
+ Triple TargetTriple(TargetMach->getTargetTriple());
+ PassManagerBuilder PMB;
+ PMB.DisableGVNLoadPRE = DisableGVNLoadPRE;
+ if (!DisableInline)
+ PMB.Inliner = createFunctionInliningPass();
+ PMB.LibraryInfo = new TargetLibraryInfo(TargetTriple);
+ if (DisableOpt)
+ PMB.OptLevel = 0;
+ PMB.VerifyInput = true;
+ PMB.VerifyOutput = true;
- // Make sure everything is still good.
- passes.add(createVerifierPass());
- passes.add(createDebugInfoVerifierPass());
+ PMB.populateLTOPassManager(passes, TargetMach);
PassManager codeGenPasses;
- codeGenPasses.add(new DataLayoutPass(mergedModule));
+ codeGenPasses.add(new DataLayoutPass());
formatted_raw_ostream Out(out);
return Context.setDiagnosticHandler(nullptr, nullptr);
// Register the LTOCodeGenerator stub in the LLVMContext to forward the
// diagnostic to the external DiagHandler.
- Context.setDiagnosticHandler(LTOCodeGenerator::DiagnosticHandler, this);
+ Context.setDiagnosticHandler(LTOCodeGenerator::DiagnosticHandler, this,
+ /* RespectFilters */ true);
}