X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=lib%2FCodeGen%2FLLVMTargetMachine.cpp;h=5b07ad3d30a50c0cbd5f1674d6c8a1f93f65f1af;hb=5410b5acda1c8a9726d008a46b382eaa83a52443;hp=6fd68ee7750899b3ffa0012d319335e70045d0b3;hpb=c3cee57f7d20f69a84fd88464ed8cf050e63c7ad;p=oota-llvm.git diff --git a/lib/CodeGen/LLVMTargetMachine.cpp b/lib/CodeGen/LLVMTargetMachine.cpp index 6fd68ee7750..5b07ad3d30a 100644 --- a/lib/CodeGen/LLVMTargetMachine.cpp +++ b/lib/CodeGen/LLVMTargetMachine.cpp @@ -12,12 +12,11 @@ //===----------------------------------------------------------------------===// #include "llvm/Target/TargetMachine.h" -#include "llvm/ADT/OwningPtr.h" -#include "llvm/Assembly/PrintModulePass.h" #include "llvm/CodeGen/AsmPrinter.h" #include "llvm/CodeGen/MachineFunctionAnalysis.h" #include "llvm/CodeGen/MachineModuleInfo.h" #include "llvm/CodeGen/Passes.h" +#include "llvm/IR/IRPrintingPasses.h" #include "llvm/MC/MCAsmInfo.h" #include "llvm/MC/MCContext.h" #include "llvm/MC/MCInstrInfo.h" @@ -63,14 +62,23 @@ static bool getVerboseAsm() { } void LLVMTargetMachine::initAsmInfo() { - AsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(), TargetTriple); + MCAsmInfo *TmpAsmInfo = TheTarget.createMCAsmInfo(*getRegisterInfo(), + TargetTriple); // TargetSelect.h moved to a different directory between LLVM 2.9 and 3.0, // and if the old one gets included then MCAsmInfo will be NULL and // we'll crash later. // Provide the user with a useful error message about what's wrong. - assert(AsmInfo && "MCAsmInfo not initialized. " + assert(TmpAsmInfo && "MCAsmInfo not initialized. " "Make sure you include the correct TargetSelect.h" "and that InitializeAllTargetMCs() is being invoked!"); + + if (Options.DisableIntegratedAS) + TmpAsmInfo->setUseIntegratedAssembler(false); + + if (Options.CompressDebugSections) + TmpAsmInfo->setCompressDebugSections(true); + + AsmInfo = TmpAsmInfo; } LLVMTargetMachine::LLVMTargetMachine(const Target &T, StringRef Triple, @@ -92,6 +100,9 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM, bool DisableVerify, AnalysisID StartAfter, AnalysisID StopAfter) { + // Add internal analysis passes from the target machine. + TM->addAnalysisPasses(PM); + // Targets may override createPassConfig to provide a target-specific sublass. TargetPassConfig *PassConfig = TM->createPassConfig(PM); PassConfig->setStartStopPasses(StartAfter, StopAfter); @@ -127,7 +138,7 @@ static MCContext *addPassesToGenerateCode(LLVMTargetMachine *TM, // Ask the target for an isel. if (PassConfig->addInstSelector()) - return NULL; + return nullptr; PassConfig->addMachinePasses(); @@ -154,7 +165,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, // machine-level pass), and whatever other information is needed to // deserialize the code and resume compilation. For now, just write the // LLVM IR. - PM.add(createPrintModulePass(&Out)); + PM.add(createPrintModulePass(Out)); return false; } @@ -165,7 +176,7 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, const MCRegisterInfo &MRI = *getRegisterInfo(); const MCInstrInfo &MII = *getInstrInfo(); const MCSubtargetInfo &STI = getSubtarget(); - OwningPtr AsmStreamer; + std::unique_ptr AsmStreamer; switch (FileType) { case CGFT_AssemblyFile: { @@ -174,16 +185,14 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, MII, MRI, STI); // Create a code emitter if asked to show the encoding. - MCCodeEmitter *MCE = 0; - MCAsmBackend *MAB = 0; - if (ShowMCEncoding) { + MCCodeEmitter *MCE = nullptr; + if (ShowMCEncoding) MCE = getTarget().createMCCodeEmitter(MII, MRI, STI, *Context); - MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(), TargetCPU); - } + MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(), + TargetCPU); MCStreamer *S = getTarget().createAsmStreamer(*Context, Out, getVerboseAsm(), - hasMCUseLoc(), hasMCUseCFI(), hasMCUseDwarfDirectory(), InstPrinter, @@ -199,14 +208,12 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, *Context); MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(), TargetCPU); - if (MCE == 0 || MAB == 0) + if (!MCE || !MAB) return true; - AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(), - *Context, *MAB, Out, - MCE, hasMCRelaxAll(), - hasMCNoExecStack())); - AsmStreamer.get()->setAutoInitSections(true); + AsmStreamer.reset(getTarget().createMCObjectStreamer( + getTargetTriple(), *Context, *MAB, Out, MCE, STI, hasMCRelaxAll(), + hasMCNoExecStack())); break; } case CGFT_Null: @@ -218,11 +225,11 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, // Create the AsmPrinter, which takes ownership of AsmStreamer if successful. FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer); - if (Printer == 0) + if (!Printer) return true; // If successful, createAsmPrinter took ownership of AsmStreamer. - AsmStreamer.take(); + AsmStreamer.release(); PM.add(Printer); @@ -232,14 +239,15 @@ bool LLVMTargetMachine::addPassesToEmitFile(PassManagerBase &PM, /// addPassesToEmitMachineCode - Add passes to the specified pass manager to /// get machine code emitted. This uses a JITCodeEmitter object to handle /// actually outputting the machine code and resolving things like the address -/// of functions. This method should returns true if machine code emission is +/// of functions. This method should return true if machine code emission is /// not supported. /// bool LLVMTargetMachine::addPassesToEmitMachineCode(PassManagerBase &PM, JITCodeEmitter &JCE, bool DisableVerify) { // Add common CodeGen passes. - MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0); + MCContext *Context = addPassesToGenerateCode(this, PM, DisableVerify, nullptr, + nullptr); if (!Context) return true; @@ -258,7 +266,7 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM, raw_ostream &Out, bool DisableVerify) { // Add common CodeGen passes. - Ctx = addPassesToGenerateCode(this, PM, DisableVerify, 0, 0); + Ctx = addPassesToGenerateCode(this, PM, DisableVerify, nullptr, nullptr); if (!Ctx) return true; @@ -273,23 +281,21 @@ bool LLVMTargetMachine::addPassesToEmitMC(PassManagerBase &PM, STI, *Ctx); MCAsmBackend *MAB = getTarget().createMCAsmBackend(MRI, getTargetTriple(), TargetCPU); - if (MCE == 0 || MAB == 0) + if (!MCE || !MAB) return true; - OwningPtr AsmStreamer; - AsmStreamer.reset(getTarget().createMCObjectStreamer(getTargetTriple(), *Ctx, - *MAB, Out, MCE, - hasMCRelaxAll(), - hasMCNoExecStack())); - AsmStreamer.get()->InitSections(); + std::unique_ptr AsmStreamer; + AsmStreamer.reset(getTarget().createMCObjectStreamer( + getTargetTriple(), *Ctx, *MAB, Out, MCE, STI, hasMCRelaxAll(), + hasMCNoExecStack())); // Create the AsmPrinter, which takes ownership of AsmStreamer if successful. FunctionPass *Printer = getTarget().createAsmPrinter(*this, *AsmStreamer); - if (Printer == 0) + if (!Printer) return true; // If successful, createAsmPrinter took ownership of AsmStreamer. - AsmStreamer.take(); + AsmStreamer.release(); PM.add(Printer);