Use (void *)(intptr_t) to cast function addresses to void*

[oota-llvm.git] / tools / lto / LTOCodeGenerator.cpp

diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp
index 8ae196fe94270d0f1f2fea69978356c37fe4fe25..598da7fa6649055078d0d035d99d1fdd9797fd2f 100644 (file)
--- a/tools/lto/LTOCodeGenerator.cpp
+++ b/tools/lto/LTOCodeGenerator.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Constants.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Linker.h"
+#include "llvm/LLVMContext.h"
 #include "llvm/Module.h"
 #include "llvm/ModuleProvider.h"
 #include "llvm/PassManager.h"
@@ -29,18 +30,19 @@
 #include "llvm/Bitcode/ReaderWriter.h"
 #include "llvm/CodeGen/FileWriters.h"
 #include "llvm/Support/CommandLine.h"
+#include "llvm/Support/FormattedStream.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include "llvm/Support/StandardPasses.h"
 #include "llvm/Support/SystemUtils.h"
-#include "llvm/Support/raw_ostream.h"
+#include "llvm/System/Host.h"
 #include "llvm/System/Signals.h"
 #include "llvm/Target/SubtargetFeature.h"
 #include "llvm/Target/TargetOptions.h"
 #include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
-#include "llvm/Target/TargetMachineRegistry.h"
+#include "llvm/Target/TargetRegistry.h"
 #include "llvm/Target/TargetSelect.h"
 #include "llvm/Transforms/IPO.h"
 #include "llvm/Transforms/Scalar.h"
@@ -70,15 +72,14 @@ const char* LTOCodeGenerator::getVersionString()
 
 
 LTOCodeGenerator::LTOCodeGenerator() 
-    : _context(new LLVMContext()),
+    : _context(getGlobalContext()),
       _linker("LinkTimeOptimizer", "ld-temp.o", _context), _target(NULL),
       _emitDwarfDebugInfo(false), _scopeRestrictionsDone(false),
       _codeModel(LTO_CODEGEN_PIC_MODEL_DYNAMIC),
-      _nativeObjectFile(NULL), _gccPath(NULL), _assemblerPath(NULL)
+      _nativeObjectFile(NULL), _assemblerPath(NULL)
 {
-  InitializeAllTargets();
-  InitializeAllAsmPrinters();
-
+    InitializeAllTargets();
+    InitializeAllAsmPrinters();
 }
 
 LTOCodeGenerator::~LTOCodeGenerator()
@@ -125,13 +126,6 @@ bool LTOCodeGenerator::setCodePICModel(lto_codegen_model model,
     return true;
 }
 
-void LTOCodeGenerator::setGccPath(const char* path)
-{
-    if ( _gccPath )
-        delete _gccPath;
-    _gccPath = new sys::Path(path);
-}
-
 void LTOCodeGenerator::setAssemblerPath(const char* path)
 {
     if ( _assemblerPath )
@@ -184,7 +178,10 @@ const void* LTOCodeGenerator::compile(size_t* length, std::string& errMsg)
     // generate assembly code
     bool genResult = false;
     {
-      raw_fd_ostream asmFile(uniqueAsmPath.c_str(), false, errMsg);
+      raw_fd_ostream asmFD(raw_fd_ostream(uniqueAsmPath.c_str(),
+                                          /*Binary=*/false, /*Force=*/true,
+                                          errMsg));
+      formatted_raw_ostream asmFile(asmFD);
       if (!errMsg.empty())
         return NULL;
       genResult = this->generateAssemblyCode(asmFile, errMsg);
@@ -236,9 +233,6 @@ bool LTOCodeGenerator::assemble(const std::string& asmPath,
     if ( _assemblerPath ) {
         tool = *_assemblerPath;
         needsCompilerOptions = false;
-    }
-    else if ( _gccPath ) {
-        tool = *_gccPath;
     } else {
         // find compiler driver
         tool = sys::Program::FindProgramByName("gcc");
@@ -323,11 +317,12 @@ bool LTOCodeGenerator::assemble(const std::string& asmPath,
 bool LTOCodeGenerator::determineTarget(std::string& errMsg)
 {
     if ( _target == NULL ) {
+        std::string Triple = _linker.getModule()->getTargetTriple();
+        if (Triple.empty())
+          Triple = sys::getHostTriple();
+
         // create target machine from info for merged modules
-        Module* mergedModule = _linker.getModule();
-        const TargetMachineRegistry::entry* march = 
-          TargetMachineRegistry::getClosestStaticTargetForModule(
-                                                       *mergedModule, errMsg);
+        const Target *march = TargetRegistry::lookupTarget(Triple, errMsg);
         if ( march == NULL )
             return true;
 
@@ -346,9 +341,8 @@ bool LTOCodeGenerator::determineTarget(std::string& errMsg)
         }
 
         // construct LTModule, hand over ownership of module and target
-        std::string FeatureStr =
-          getFeatureString(_linker.getModule()->getTargetTriple().c_str());
-        _target = march->CtorFn(*mergedModule, FeatureStr.c_str());
+        std::string FeatureStr = getFeatureString(Triple.c_str());
+        _target = march->createTargetMachine(Triple, FeatureStr);
     }
     return false;
 }
@@ -370,14 +364,14 @@ void LTOCodeGenerator::applyScopeRestrictions()
             for (Module::iterator f = mergedModule->begin(), 
                                         e = mergedModule->end(); f != e; ++f) {
                 if ( !f->isDeclaration() 
-                  && _mustPreserveSymbols.count(mangler.getValueName(f)) )
-                    mustPreserveList.push_back(::strdup(f->getName().c_str()));
+                  && _mustPreserveSymbols.count(mangler.getMangledName(f)) )
+                  mustPreserveList.push_back(::strdup(f->getNameStr().c_str()));
             }
             for (Module::global_iterator v = mergedModule->global_begin(), 
                                  e = mergedModule->global_end(); v !=  e; ++v) {
                 if ( !v->isDeclaration()
-                  && _mustPreserveSymbols.count(mangler.getValueName(v)) )
-                    mustPreserveList.push_back(::strdup(v->getName().c_str()));
+                  && _mustPreserveSymbols.count(mangler.getMangledName(v)) )
+                  mustPreserveList.push_back(::strdup(v->getNameStr().c_str()));
             }
             passes.add(createInternalizePass(mustPreserveList));
         }
@@ -389,10 +383,10 @@ void LTOCodeGenerator::applyScopeRestrictions()
 }
 
 /// Optimize merged modules using various IPO passes
-bool LTOCodeGenerator::generateAssemblyCode(raw_ostream& out,
+bool LTOCodeGenerator::generateAssemblyCode(formatted_raw_ostream& out,
                                             std::string& errMsg)
 {
-    if (  this->determineTarget(errMsg) ) 
+    if ( this->determineTarget(errMsg) ) 
         return true;
 
     // mark which symbols can not be internalized 
@@ -429,16 +423,16 @@ bool LTOCodeGenerator::generateAssemblyCode(raw_ostream& out,
 
     codeGenPasses->add(new TargetData(*_target->getTargetData()));
 
-    MachineCodeEmitter* mce = NULL;
+    ObjectCodeEmitter* oce = NULL;
 
     switch (_target->addPassesToEmitFile(*codeGenPasses, out,
                                          TargetMachine::AssemblyFile,
                                          CodeGenOpt::Aggressive)) {
         case FileModel::MachOFile:
-            mce = AddMachOWriter(*codeGenPasses, out, *_target);
+            oce = AddMachOWriter(*codeGenPasses, out, *_target);
             break;
         case FileModel::ElfFile:
-            mce = AddELFWriter(*codeGenPasses, out, *_target);
+            oce = AddELFWriter(*codeGenPasses, out, *_target);
             break;
         case FileModel::AsmFile:
             break;
@@ -448,7 +442,7 @@ bool LTOCodeGenerator::generateAssemblyCode(raw_ostream& out,
             return true;
     }
 
-    if (_target->addPassesToEmitFileFinish(*codeGenPasses, mce,
+    if (_target->addPassesToEmitFileFinish(*codeGenPasses, oce,
                                            CodeGenOpt::Aggressive)) {
         errMsg = "target does not support generation of this file type";
         return true;
@@ -466,6 +460,9 @@ bool LTOCodeGenerator::generateAssemblyCode(raw_ostream& out,
         codeGenPasses->run(*it);
 
     codeGenPasses->doFinalization();
+
+    out.flush();
+
     return false; // success
 }