diff options
Diffstat (limited to 'tools')
-rw-r--r-- | tools/llc/llc.cpp | 215 | ||||
-rw-r--r-- | tools/lto/LTOCodeGenerator.cpp | 2 | ||||
-rw-r--r-- | tools/opt/CMakeLists.txt | 2 | ||||
-rw-r--r-- | tools/opt/LLVMBuild.txt | 2 | ||||
-rw-r--r-- | tools/opt/Makefile | 2 | ||||
-rw-r--r-- | tools/opt/opt.cpp | 78 |
6 files changed, 92 insertions, 209 deletions
diff --git a/tools/llc/llc.cpp b/tools/llc/llc.cpp index 04e5bca385..4d4a74c009 100644 --- a/tools/llc/llc.cpp +++ b/tools/llc/llc.cpp @@ -21,6 +21,7 @@ #include "llvm/ADT/Triple.h" #include "llvm/Assembly/PrintModulePass.h" #include "llvm/Support/IRReader.h" +#include "llvm/CodeGen/CommandFlags.h" #include "llvm/CodeGen/LinkAllAsmWriterComponents.h" #include "llvm/CodeGen/LinkAllCodegenComponents.h" #include "llvm/MC/SubtargetFeature.h" @@ -62,216 +63,13 @@ OptLevel("O", static cl::opt<std::string> TargetTriple("mtriple", cl::desc("Override target triple for module")); -static cl::opt<std::string> -MArch("march", cl::desc("Architecture to generate code for (see --version)")); - -static cl::opt<std::string> -MCPU("mcpu", - cl::desc("Target a specific cpu type (-mcpu=help for details)"), - cl::value_desc("cpu-name"), - cl::init("")); - -static cl::list<std::string> -MAttrs("mattr", - cl::CommaSeparated, - cl::desc("Target specific attributes (-mattr=help for details)"), - cl::value_desc("a1,+a2,-a3,...")); - -static cl::opt<Reloc::Model> -RelocModel("relocation-model", - cl::desc("Choose relocation model"), - cl::init(Reloc::Default), - cl::values( - clEnumValN(Reloc::Default, "default", - "Target default relocation model"), - clEnumValN(Reloc::Static, "static", - "Non-relocatable code"), - clEnumValN(Reloc::PIC_, "pic", - "Fully relocatable, position independent code"), - clEnumValN(Reloc::DynamicNoPIC, "dynamic-no-pic", - "Relocatable external references, non-relocatable code"), - clEnumValEnd)); - -static cl::opt<llvm::CodeModel::Model> -CMModel("code-model", - cl::desc("Choose code model"), - cl::init(CodeModel::Default), - cl::values(clEnumValN(CodeModel::Default, "default", - "Target default code model"), - clEnumValN(CodeModel::Small, "small", - "Small code model"), - clEnumValN(CodeModel::Kernel, "kernel", - "Kernel code model"), - clEnumValN(CodeModel::Medium, "medium", - "Medium code model"), - clEnumValN(CodeModel::Large, "large", - "Large code model"), - clEnumValEnd)); - -static cl::opt<bool> -RelaxAll("mc-relax-all", - cl::desc("When used with filetype=obj, " - "relax all fixups in the emitted object file")); - -cl::opt<TargetMachine::CodeGenFileType> -FileType("filetype", cl::init(TargetMachine::CGFT_AssemblyFile), - cl::desc("Choose a file type (not all types are supported by all targets):"), - cl::values( - clEnumValN(TargetMachine::CGFT_AssemblyFile, "asm", - "Emit an assembly ('.s') file"), - clEnumValN(TargetMachine::CGFT_ObjectFile, "obj", - "Emit a native object ('.o') file"), - clEnumValN(TargetMachine::CGFT_Null, "null", - "Emit nothing, for performance testing"), - clEnumValEnd)); - cl::opt<bool> NoVerify("disable-verify", cl::Hidden, cl::desc("Do not verify input module")); -cl::opt<bool> DisableDotLoc("disable-dot-loc", cl::Hidden, - cl::desc("Do not use .loc entries")); - -cl::opt<bool> DisableCFI("disable-cfi", cl::Hidden, - cl::desc("Do not use .cfi_* directives")); - -cl::opt<bool> EnableDwarfDirectory("enable-dwarf-directory", cl::Hidden, - cl::desc("Use .file directives with an explicit directory.")); - -static cl::opt<bool> -DisableRedZone("disable-red-zone", - cl::desc("Do not emit code that uses the red zone."), - cl::init(false)); - -static cl::opt<bool> -EnableFPMAD("enable-fp-mad", - cl::desc("Enable less precise MAD instructions to be generated"), - cl::init(false)); - -static cl::opt<bool> -DisableFPElim("disable-fp-elim", - cl::desc("Disable frame pointer elimination optimization"), - cl::init(false)); - -static cl::opt<bool> -DisableFPElimNonLeaf("disable-non-leaf-fp-elim", - cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"), - cl::init(false)); - -static cl::opt<bool> -EnableUnsafeFPMath("enable-unsafe-fp-math", - cl::desc("Enable optimizations that may decrease FP precision"), - cl::init(false)); - -static cl::opt<bool> -EnableNoInfsFPMath("enable-no-infs-fp-math", - cl::desc("Enable FP math optimizations that assume no +-Infs"), - cl::init(false)); - -static cl::opt<bool> -EnableNoNaNsFPMath("enable-no-nans-fp-math", - cl::desc("Enable FP math optimizations that assume no NaNs"), - cl::init(false)); - -static cl::opt<bool> -EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math", - cl::Hidden, - cl::desc("Force codegen to assume rounding mode can change dynamically"), - cl::init(false)); - -static cl::opt<bool> -GenerateSoftFloatCalls("soft-float", - cl::desc("Generate software floating point library calls"), - cl::init(false)); - -static cl::opt<llvm::FloatABI::ABIType> -FloatABIForCalls("float-abi", - cl::desc("Choose float ABI type"), - cl::init(FloatABI::Default), - cl::values( - clEnumValN(FloatABI::Default, "default", - "Target default float ABI type"), - clEnumValN(FloatABI::Soft, "soft", - "Soft float ABI (implied by -soft-float)"), - clEnumValN(FloatABI::Hard, "hard", - "Hard float ABI (uses FP registers)"), - clEnumValEnd)); - -static cl::opt<llvm::FPOpFusion::FPOpFusionMode> -FuseFPOps("fp-contract", - cl::desc("Enable aggresive formation of fused FP ops"), - cl::init(FPOpFusion::Standard), - cl::values( - clEnumValN(FPOpFusion::Fast, "fast", - "Fuse FP ops whenever profitable"), - clEnumValN(FPOpFusion::Standard, "on", - "Only fuse 'blessed' FP ops."), - clEnumValN(FPOpFusion::Strict, "off", - "Only fuse FP ops when the result won't be effected."), - clEnumValEnd)); - -static cl::opt<bool> -DontPlaceZerosInBSS("nozero-initialized-in-bss", - cl::desc("Don't place zero-initialized symbols into bss section"), - cl::init(false)); - -static cl::opt<bool> +cl::opt<bool> DisableSimplifyLibCalls("disable-simplify-libcalls", - cl::desc("Disable simplify-libcalls"), - cl::init(false)); - -static cl::opt<bool> -EnableGuaranteedTailCallOpt("tailcallopt", - cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."), - cl::init(false)); - -static cl::opt<bool> -DisableTailCalls("disable-tail-calls", - cl::desc("Never emit tail calls"), - cl::init(false)); - -static cl::opt<unsigned> -OverrideStackAlignment("stack-alignment", - cl::desc("Override default stack alignment"), - cl::init(0)); - -static cl::opt<bool> -EnableRealignStack("realign-stack", - cl::desc("Realign stack if needed"), - cl::init(true)); - -static cl::opt<std::string> -TrapFuncName("trap-func", cl::Hidden, - cl::desc("Emit a call to trap function rather than a trap instruction"), - cl::init("")); - -static cl::opt<bool> -EnablePIE("enable-pie", - cl::desc("Assume the creation of a position independent executable."), - cl::init(false)); - -static cl::opt<bool> -SegmentedStacks("segmented-stacks", - cl::desc("Use segmented stacks if possible."), - cl::init(false)); - -static cl::opt<bool> -UseInitArray("use-init-array", - cl::desc("Use .init_array instead of .ctors."), - cl::init(false)); - -static cl::opt<std::string> StopAfter("stop-after", - cl::desc("Stop compilation after a specific pass"), - cl::value_desc("pass-name"), - cl::init("")); -static cl::opt<std::string> StartAfter("start-after", - cl::desc("Resume compilation after a specific pass"), - cl::value_desc("pass-name"), - cl::init("")); - -static cl::opt<unsigned> -SSPBufferSize("stack-protector-buffer-size", cl::init(8), - cl::desc("Lower bound for a buffer to be considered for " - "stack protection")); + cl::desc("Disable simplify-libcalls"), + cl::init(false)); // GetFileNameRoot - Helper function to get the basename of a filename. static inline std::string @@ -505,6 +303,11 @@ int main(int argc, char **argv) { TLI->disableAllFunctions(); PM.add(TLI); + if (target.get()) { + PM.add(new TargetTransformInfo(target->getScalarTargetTransformInfo(), + target->getVectorTargetTransformInfo())); + } + // Add the target data from the target machine, if it exists, or the module. if (const DataLayout *TD = Target.getDataLayout()) PM.add(new DataLayout(*TD)); diff --git a/tools/lto/LTOCodeGenerator.cpp b/tools/lto/LTOCodeGenerator.cpp index dd74ddde13..b1c4f437ff 100644 --- a/tools/lto/LTOCodeGenerator.cpp +++ b/tools/lto/LTOCodeGenerator.cpp @@ -371,6 +371,8 @@ bool LTOCodeGenerator::generateObjectFile(raw_ostream &out, // Add an appropriate DataLayout instance for this module... passes.add(new DataLayout(*_target->getDataLayout())); + passes.add(new TargetTransformInfo(_target->getScalarTargetTransformInfo(), + _target->getVectorTargetTransformInfo())); // Enabling internalize here would use its AllButMain variant. It // keeps only main if it exists and does nothing for libraries. Instead diff --git a/tools/opt/CMakeLists.txt b/tools/opt/CMakeLists.txt index 7daf22aa9e..32de6d4060 100644 --- a/tools/opt/CMakeLists.txt +++ b/tools/opt/CMakeLists.txt @@ -1,4 +1,4 @@ -set(LLVM_LINK_COMPONENTS bitreader asmparser bitwriter instrumentation scalaropts ipo vectorize) +set(LLVM_LINK_COMPONENTS ${LLVM_TARGETS_TO_BUILD} bitreader asmparser bitwriter instrumentation scalaropts ipo vectorize) add_llvm_tool(opt AnalysisWrappers.cpp diff --git a/tools/opt/LLVMBuild.txt b/tools/opt/LLVMBuild.txt index 4de99f51c8..b174431e04 100644 --- a/tools/opt/LLVMBuild.txt +++ b/tools/opt/LLVMBuild.txt @@ -19,4 +19,4 @@ type = Tool name = opt parent = Tools -required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Scalar +required_libraries = AsmParser BitReader BitWriter IPO Instrumentation Scalar all-targets diff --git a/tools/opt/Makefile b/tools/opt/Makefile index 16d116da5d..ee7e1cf796 100644 --- a/tools/opt/Makefile +++ b/tools/opt/Makefile @@ -9,6 +9,6 @@ LEVEL := ../.. TOOLNAME := opt -LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts ipo vectorize +LINK_COMPONENTS := bitreader bitwriter asmparser instrumentation scalaropts ipo vectorize all-targets include $(LEVEL)/Makefile.common diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp index 706a7d5138..8d8d73179e 100644 --- a/tools/opt/opt.cpp +++ b/tools/opt/opt.cpp @@ -18,6 +18,7 @@ #include "llvm/Module.h" #include "llvm/PassManager.h" #include "llvm/CallGraphSCCPass.h" +#include "llvm/CodeGen/CommandFlags.h" #include "llvm/Bitcode/ReaderWriter.h" #include "llvm/Assembly/PrintModulePass.h" #include "llvm/Analysis/Verifier.h" @@ -36,7 +37,9 @@ #include "llvm/Support/PluginLoader.h" #include "llvm/Support/PrettyStackTrace.h" #include "llvm/Support/SystemUtils.h" +#include "llvm/Support/TargetRegistry.h" #include "llvm/Support/ToolOutputFile.h" +#include "llvm/MC/SubtargetFeature.h" #include "llvm/LinkAllPasses.h" #include "llvm/LinkAllVMCore.h" #include "llvm/Transforms/IPO/PassManagerBuilder.h" @@ -478,6 +481,75 @@ static void AddStandardLinkPasses(PassManagerBase &PM) { /*RunInliner=*/ !DisableInline); } +//===----------------------------------------------------------------------===// +// CodeGen-related helper functions. +// +static TargetOptions GetTargetOptions() { + TargetOptions Options; + Options.LessPreciseFPMADOption = EnableFPMAD; + Options.NoFramePointerElim = DisableFPElim; + Options.NoFramePointerElimNonLeaf = DisableFPElimNonLeaf; + Options.AllowFPOpFusion = FuseFPOps; + Options.UnsafeFPMath = EnableUnsafeFPMath; + Options.NoInfsFPMath = EnableNoInfsFPMath; + Options.NoNaNsFPMath = EnableNoNaNsFPMath; + Options.HonorSignDependentRoundingFPMathOption = + EnableHonorSignDependentRoundingFPMath; + Options.UseSoftFloat = GenerateSoftFloatCalls; + if (FloatABIForCalls != FloatABI::Default) + Options.FloatABIType = FloatABIForCalls; + Options.NoZerosInBSS = DontPlaceZerosInBSS; + Options.GuaranteedTailCallOpt = EnableGuaranteedTailCallOpt; + Options.DisableTailCalls = DisableTailCalls; + Options.StackAlignmentOverride = OverrideStackAlignment; + Options.RealignStack = EnableRealignStack; + Options.TrapFuncName = TrapFuncName; + Options.PositionIndependentExecutable = EnablePIE; + Options.EnableSegmentedStacks = SegmentedStacks; + Options.UseInitArray = UseInitArray; + Options.SSPBufferSize = SSPBufferSize; + return Options; +} + +CodeGenOpt::Level GetCodeGenOptLevel() { + if (OptLevelO1) + return CodeGenOpt::Less; + if (OptLevelO2) + return CodeGenOpt::Default; + if (OptLevelO3) + return CodeGenOpt::Aggressive; + return CodeGenOpt::None; +} + +// Returns the TargetMachine instance or zero if no triple is provided. +static TargetMachine* GetTargetMachine(std::string TripleStr) { + if (TripleStr.empty()) + return 0; + + // Get the target specific parser. + std::string Error; + Triple TheTriple(Triple::normalize(TargetTriple)); + + const Target *TheTarget = TargetRegistry::lookupTarget(MArch, TheTriple, + Error); + if (!TheTarget) { + return 0; + } + + // Package up features to be passed to target/subtarget + std::string FeaturesStr; + if (MAttrs.size()) { + SubtargetFeatures Features; + for (unsigned i = 0; i != MAttrs.size(); ++i) + Features.AddFeature(MAttrs[i]); + FeaturesStr = Features.getString(); + } + + return TheTarget->createTargetMachine(TheTriple.getTriple(), + MCPU, FeaturesStr, GetTargetOptions(), + RelocModel, CMModel, + GetCodeGenOptLevel()); +} //===----------------------------------------------------------------------===// // main for opt @@ -579,6 +651,12 @@ int main(int argc, char **argv) { if (TD) Passes.add(TD); + std::auto_ptr<TargetMachine> TM(GetTargetMachine(TargetTriple)); + if (TM.get()) { + Passes.add(new TargetTransformInfo(TM->getScalarTargetTransformInfo(), + TM->getVectorTargetTransformInfo())); + } + OwningPtr<FunctionPassManager> FPasses; if (OptLevelO1 || OptLevelO2 || OptLevelOs || OptLevelOz || OptLevelO3) { FPasses.reset(new FunctionPassManager(M.get())); |