From cbd9a19b5d6ff93efa82c467508ede78b8af3bac Mon Sep 17 00:00:00 2001 From: Nadav Rotem Date: Thu, 18 Oct 2012 23:22:48 +0000 Subject: Reapply the TargerTransformInfo changes, minus the changes to LSR and Lowerinvoke. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@166248 91177308-0d34-0410-b5e6-96231b3b80d8 --- include/llvm/CodeGen/CommandFlags.h | 228 ++++++++++++++++++++++++++++++++++++ 1 file changed, 228 insertions(+) create mode 100644 include/llvm/CodeGen/CommandFlags.h (limited to 'include/llvm/CodeGen/CommandFlags.h') diff --git a/include/llvm/CodeGen/CommandFlags.h b/include/llvm/CodeGen/CommandFlags.h new file mode 100644 index 0000000000..90ee234244 --- /dev/null +++ b/include/llvm/CodeGen/CommandFlags.h @@ -0,0 +1,228 @@ +//===-- CommandFlags.h - Register Coalescing Interface ----------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file contains codegen-specific flags that are shared between different +// command line tools. The tools "llc" and "opt" both use this file to prevent +// flag duplication. +// +//===----------------------------------------------------------------------===// + +#ifndef LLVM_CODEGEN_COMMAND_LINE_FLAGS_H +#define LLVM_CODEGEN_COMMAND_LINE_FLAGS_H + +#include "llvm/Support/CommandLine.h" +#include "llvm/Support/CodeGen.h" +#include "llvm/Target/TargetMachine.h" + +#include +using namespace llvm; + +cl::opt +MArch("march", cl::desc("Architecture to generate code for (see --version)")); + +cl::opt +MCPU("mcpu", + cl::desc("Target a specific cpu type (-mcpu=help for details)"), + cl::value_desc("cpu-name"), + cl::init("")); + +cl::list +MAttrs("mattr", + cl::CommaSeparated, + cl::desc("Target specific attributes (-mattr=help for details)"), + cl::value_desc("a1,+a2,-a3,...")); + +cl::opt +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)); + +cl::opt +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)); + +cl::opt +RelaxAll("mc-relax-all", + cl::desc("When used with filetype=obj, " + "relax all fixups in the emitted object file")); + +cl::opt +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 DisableDotLoc("disable-dot-loc", cl::Hidden, + cl::desc("Do not use .loc entries")); + +cl::opt DisableCFI("disable-cfi", cl::Hidden, + cl::desc("Do not use .cfi_* directives")); + +cl::opt EnableDwarfDirectory("enable-dwarf-directory", cl::Hidden, + cl::desc("Use .file directives with an explicit directory.")); + +cl::opt +DisableRedZone("disable-red-zone", + cl::desc("Do not emit code that uses the red zone."), + cl::init(false)); + +cl::opt +EnableFPMAD("enable-fp-mad", + cl::desc("Enable less precise MAD instructions to be generated"), + cl::init(false)); + +cl::opt +DisableFPElim("disable-fp-elim", + cl::desc("Disable frame pointer elimination optimization"), + cl::init(false)); + +cl::opt +DisableFPElimNonLeaf("disable-non-leaf-fp-elim", + cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"), + cl::init(false)); + +cl::opt +EnableUnsafeFPMath("enable-unsafe-fp-math", + cl::desc("Enable optimizations that may decrease FP precision"), + cl::init(false)); + +cl::opt +EnableNoInfsFPMath("enable-no-infs-fp-math", + cl::desc("Enable FP math optimizations that assume no +-Infs"), + cl::init(false)); + +cl::opt +EnableNoNaNsFPMath("enable-no-nans-fp-math", + cl::desc("Enable FP math optimizations that assume no NaNs"), + cl::init(false)); + +cl::opt +EnableHonorSignDependentRoundingFPMath("enable-sign-dependent-rounding-fp-math", + cl::Hidden, + cl::desc("Force codegen to assume rounding mode can change dynamically"), + cl::init(false)); + +cl::opt +GenerateSoftFloatCalls("soft-float", + cl::desc("Generate software floating point library calls"), + cl::init(false)); + +cl::opt +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)); + +cl::opt +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)); + +cl::opt +DontPlaceZerosInBSS("nozero-initialized-in-bss", + cl::desc("Don't place zero-initialized symbols into bss section"), + cl::init(false)); + +cl::opt +EnableGuaranteedTailCallOpt("tailcallopt", + cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."), + cl::init(false)); + +cl::opt +DisableTailCalls("disable-tail-calls", + cl::desc("Never emit tail calls"), + cl::init(false)); + +cl::opt +OverrideStackAlignment("stack-alignment", + cl::desc("Override default stack alignment"), + cl::init(0)); + +cl::opt +EnableRealignStack("realign-stack", + cl::desc("Realign stack if needed"), + cl::init(true)); + +cl::opt +TrapFuncName("trap-func", cl::Hidden, + cl::desc("Emit a call to trap function rather than a trap instruction"), + cl::init("")); + +cl::opt +EnablePIE("enable-pie", + cl::desc("Assume the creation of a position independent executable."), + cl::init(false)); + +cl::opt +SegmentedStacks("segmented-stacks", + cl::desc("Use segmented stacks if possible."), + cl::init(false)); + +cl::opt +UseInitArray("use-init-array", + cl::desc("Use .init_array instead of .ctors."), + cl::init(false)); + +cl::opt StopAfter("stop-after", + cl::desc("Stop compilation after a specific pass"), + cl::value_desc("pass-name"), + cl::init("")); +cl::opt StartAfter("start-after", + cl::desc("Resume compilation after a specific pass"), + cl::value_desc("pass-name"), + cl::init("")); + +cl::opt +SSPBufferSize("stack-protector-buffer-size", cl::init(8), + cl::desc("Lower bound for a buffer to be considered for " + "stack protection")); +#endif -- cgit v1.2.3