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//===-- CommandFlags.h - Command Line Flags 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_COMMANDFLAGS_H
#define LLVM_CODEGEN_COMMANDFLAGS_H
#include "llvm/Support/CodeGen.h"
#include "llvm/Support/CommandLine.h"
#include "llvm/Target/TargetMachine.h"
#include <string>
using namespace llvm;
cl::opt<std::string>MArch("march", cl::desc("Architecture to generate code for (see --version)"));
cl::opt<std::string>MCPU("mcpu", cl::desc("Target a specific cpu type (-mcpu=help for details)"), cl::value_desc("cpu-name"), cl::init(""));
cl::list<std::string>MAttrs("mattr", cl::CommaSeparated, cl::desc("Target specific attributes (-mattr=help for details)"), cl::value_desc("a1,+a2,-a3,..."));
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));
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));
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> 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."));
cl::opt<bool>DisableRedZone("disable-red-zone", cl::desc("Do not emit code that uses the red zone."), cl::init(false));
cl::opt<bool>EnableFPMAD("enable-fp-mad", cl::desc("Enable less precise MAD instructions to be generated"), cl::init(false));
cl::opt<bool>DisableFPElim("disable-fp-elim", cl::desc("Disable frame pointer elimination optimization"), cl::init(false));
cl::opt<bool>DisableFPElimNonLeaf("disable-non-leaf-fp-elim", cl::desc("Disable frame pointer elimination optimization for non-leaf funcs"), cl::init(false));
cl::opt<bool>EnableUnsafeFPMath("enable-unsafe-fp-math", cl::desc("Enable optimizations that may decrease FP precision"), cl::init(false));
cl::opt<bool>EnableNoInfsFPMath("enable-no-infs-fp-math", cl::desc("Enable FP math optimizations that assume no +-Infs"), cl::init(false));
cl::opt<bool>EnableNoNaNsFPMath("enable-no-nans-fp-math", cl::desc("Enable FP math optimizations that assume no NaNs"), cl::init(false));
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));
cl::opt<bool>GenerateSoftFloatCalls("soft-float", cl::desc("Generate software floating point library calls"), cl::init(false));
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));
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));
cl::opt<bool>DontPlaceZerosInBSS("nozero-initialized-in-bss", cl::desc("Don't place zero-initialized symbols into bss section"), cl::init(false));
cl::opt<bool>EnableGuaranteedTailCallOpt("tailcallopt", cl::desc("Turn fastcc calls into tail calls by (potentially) changing ABI."), cl::init(false));
cl::opt<bool>DisableTailCalls("disable-tail-calls", cl::desc("Never emit tail calls"), cl::init(false));
cl::opt<unsigned>OverrideStackAlignment("stack-alignment", cl::desc("Override default stack alignment"), cl::init(0));
cl::opt<bool>EnableRealignStack("realign-stack", cl::desc("Realign stack if needed"), cl::init(true));
cl::opt<std::string>TrapFuncName("trap-func", cl::Hidden, cl::desc("Emit a call to trap function rather than a trap instruction"), cl::init(""));
cl::opt<bool>EnablePIE("enable-pie", cl::desc("Assume the creation of a position independent executable."), cl::init(false));
cl::opt<bool>SegmentedStacks("segmented-stacks", cl::desc("Use segmented stacks if possible."), cl::init(false));
cl::opt<bool>UseInitArray("use-init-array", cl::desc("Use .init_array instead of .ctors."), cl::init(false));
cl::opt<std::string> StopAfter("stop-after", cl::desc("Stop compilation after a specific pass"), cl::value_desc("pass-name"), cl::init(""));cl::opt<std::string> StartAfter("start-after", cl::desc("Resume compilation after a specific pass"), cl::value_desc("pass-name"), cl::init(""));
cl::opt<unsigned>SSPBufferSize("stack-protector-buffer-size", cl::init(8), cl::desc("Lower bound for a buffer to be considered for " "stack protection"));#endif
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