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-rw-r--r--tools/lto/LTOCodeGenerator.cpp24
-rw-r--r--tools/lto/LTOCodeGenerator.h1
-rw-r--r--tools/lto/LTOModule.cpp14
-rw-r--r--tools/lto/Makefile3
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/')