diff options
Diffstat (limited to 'tools/lto')
-rw-r--r-- | tools/lto/LTOCodeGenerator.cpp | 24 | ||||
-rw-r--r-- | tools/lto/LTOCodeGenerator.h | 1 | ||||
-rw-r--r-- | tools/lto/LTOModule.cpp | 14 | ||||
-rw-r--r-- | tools/lto/Makefile | 3 |
4 files changed, 23 insertions, 19 deletions
diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp index 5f5f76f..465ccb4 100644 --- a/tools/lto/LTOCodeGenerator.cpp +++ b/tools/lto/LTOCodeGenerator.cpp @@ -69,7 +69,7 @@ const char* LTOCodeGenerator::getVersionString() { LTOCodeGenerator::LTOCodeGenerator() : _context(getGlobalContext()), - _linker("LinkTimeOptimizer", "ld-temp.o", _context), _target(NULL), + _linker(new Module("ld-temp.o", _context)), _target(NULL), _emitDwarfDebugInfo(false), _scopeRestrictionsDone(false), _codeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC), _nativeObjectFile(NULL) { @@ -81,6 +81,7 @@ LTOCodeGenerator::LTOCodeGenerator() LTOCodeGenerator::~LTOCodeGenerator() { delete _target; delete _nativeObjectFile; + delete _linker.getModule(); for (std::vector<char*>::iterator I = _codegenOptions.begin(), E = _codegenOptions.end(); I != E; ++I) @@ -88,7 +89,7 @@ LTOCodeGenerator::~LTOCodeGenerator() { } bool LTOCodeGenerator::addModule(LTOModule* mod, std::string& errMsg) { - bool ret = _linker.LinkInModule(mod->getLLVVMModule(), &errMsg); + bool ret = _linker.linkInModule(mod->getLLVVMModule(), &errMsg); const std::vector<const char*> &undefs = mod->getAsmUndefinedRefs(); for (int i = 0, e = undefs.size(); i != e; ++i) @@ -219,10 +220,15 @@ const void* LTOCodeGenerator::compile(size_t* length, std::string& errMsg) { return _nativeObjectFile->getBufferStart(); } -bool LTOCodeGenerator::determineTarget(std::string& errMsg) { +bool LTOCodeGenerator::determineTarget(std::string &errMsg) { if (_target != NULL) return false; + // if options were requested, set them + if (!_codegenOptions.empty()) + cl::ParseCommandLineOptions(_codegenOptions.size(), + const_cast<char **>(&_codegenOptions[0])); + std::string TripleStr = _linker.getModule()->getTargetTriple(); if (TripleStr.empty()) TripleStr = sys::getDefaultTargetTriple(); @@ -304,7 +310,7 @@ void LTOCodeGenerator::applyScopeRestrictions() { // mark which symbols can not be internalized MCContext Context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(),NULL); - Mangler mangler(Context, *_target->getDataLayout()); + Mangler mangler(Context, _target); std::vector<const char*> mustPreserveList; SmallPtrSet<GlobalValue*, 8> asmUsed; @@ -360,12 +366,7 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out, Module* mergedModule = _linker.getModule(); - // if options were requested, set them - if (!_codegenOptions.empty()) - cl::ParseCommandLineOptions(_codegenOptions.size(), - const_cast<char **>(&_codegenOptions[0])); - - // mark which symbols can not be internalized + // Mark which symbols can not be internalized this->applyScopeRestrictions(); // Instantiate the pass manager to organize the passes. @@ -381,12 +382,11 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out, // 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) { + if (!DisableOpt) PassManagerBuilder().populateLTOPassManager(passes, /*Internalize=*/false, !DisableInline, DisableGVNLoadPRE); - } // Make sure everything is still good. passes.add(createVerifierPass()); diff --git a/tools/lto/LTOCodeGenerator.h b/tools/lto/LTOCodeGenerator.h index 601dbfa..a4ade9f 100644 --- a/tools/lto/LTOCodeGenerator.h +++ b/tools/lto/LTOCodeGenerator.h @@ -19,6 +19,7 @@ #include "llvm/ADT/StringMap.h" #include "llvm/Linker.h" #include <string> +#include <vector> namespace llvm { class LLVMContext; diff --git a/tools/lto/LTOModule.cpp b/tools/lto/LTOModule.cpp index d805f49..263e8b3 100644 --- a/tools/lto/LTOModule.cpp +++ b/tools/lto/LTOModule.cpp @@ -29,6 +29,7 @@ #include "llvm/MC/SubtargetFeature.h" #include "llvm/Support/CommandLine.h" #include "llvm/Support/Host.h" +#include "llvm/Support/FileSystem.h" #include "llvm/Support/MemoryBuffer.h" #include "llvm/Support/Path.h" #include "llvm/Support/SourceMgr.h" @@ -158,17 +159,20 @@ SSPBufferSize("stack-protector-buffer-size", cl::init(8), LTOModule::LTOModule(llvm::Module *m, llvm::TargetMachine *t) : _module(m), _target(t), _context(*_target->getMCAsmInfo(), *_target->getRegisterInfo(), NULL), - _mangler(_context, *_target->getDataLayout()) {} + _mangler(_context, t) {} /// isBitcodeFile - Returns 'true' if the file (or memory contents) is LLVM /// bitcode. bool LTOModule::isBitcodeFile(const void *mem, size_t length) { - return llvm::sys::IdentifyFileType((const char*)mem, length) - == llvm::sys::Bitcode_FileType; + return sys::fs::identify_magic(StringRef((const char *)mem, length)) == + sys::fs::file_magic::bitcode; } bool LTOModule::isBitcodeFile(const char *path) { - return llvm::sys::Path(path).isBitcodeFile(); + sys::fs::file_magic type; + if (sys::fs::identify_magic(path, type)) + return false; + return type == sys::fs::file_magic::bitcode; } /// isBitcodeFileForTarget - Returns 'true' if the file (or memory contents) is @@ -487,7 +491,7 @@ void LTOModule::addDefinedSymbol(const GlobalValue *def, bool isFunction) { // set alignment part log2() can have rounding errors uint32_t align = def->getAlignment(); - uint32_t attr = align ? CountTrailingZeros_32(def->getAlignment()) : 0; + uint32_t attr = align ? countTrailingZeros(def->getAlignment()) : 0; // set permissions part if (isFunction) { diff --git a/tools/lto/Makefile b/tools/lto/Makefile index ab2e16e..30719f4 100644 --- a/tools/lto/Makefile +++ b/tools/lto/Makefile @@ -39,8 +39,7 @@ ifeq ($(HOST_OS),Darwin) endif # extra options to override libtool defaults LLVMLibsOptions := $(LLVMLibsOptions) \ - -Wl,-dead_strip \ - -Wl,-seg1addr -Wl,0xE0000000 + -Wl,-dead_strip # Mac OS X 10.4 and earlier tools do not allow a second -install_name on command line DARWIN_VERS := $(shell echo $(TARGET_TRIPLE) | sed 's/.*darwin\([0-9]*\).*/\1/') |