mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-21 18:29:46 +00:00
This reverts commit: http://reviews.llvm.org/D3392 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@225948 91177308-0d34-0410-b5e6-96231b3b80d8
301 lines
12 KiB
C++
301 lines
12 KiB
C++
//===-- 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/MC/MCTargetOptionsCommandFlags.h"
|
|
#include "llvm/Support/CodeGen.h"
|
|
#include "llvm/Support/CommandLine.h"
|
|
#include "llvm/Target/TargetMachine.h"
|
|
#include "llvm/Target/TargetOptions.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<ThreadModel::Model>
|
|
TMModel("thread-model",
|
|
cl::desc("Choose threading model"),
|
|
cl::init(ThreadModel::POSIX),
|
|
cl::values(clEnumValN(ThreadModel::POSIX, "posix",
|
|
"POSIX thread model"),
|
|
clEnumValN(ThreadModel::Single, "single",
|
|
"Single thread model"),
|
|
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<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>
|
|
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>
|
|
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 aggressive 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<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>
|
|
UseCtors("use-ctors",
|
|
cl::desc("Use .ctors instead of .init_array."),
|
|
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<bool> DataSections("data-sections",
|
|
cl::desc("Emit data into separate sections"),
|
|
cl::init(false));
|
|
|
|
cl::opt<bool>
|
|
FunctionSections("function-sections",
|
|
cl::desc("Emit functions into separate sections"),
|
|
cl::init(false));
|
|
|
|
cl::opt<llvm::JumpTable::JumpTableType>
|
|
JTableType("jump-table-type",
|
|
cl::desc("Choose the type of Jump-Instruction Table for jumptable."),
|
|
cl::init(JumpTable::Single),
|
|
cl::values(
|
|
clEnumValN(JumpTable::Single, "single",
|
|
"Create a single table for all jumptable functions"),
|
|
clEnumValN(JumpTable::Arity, "arity",
|
|
"Create one table per number of parameters."),
|
|
clEnumValN(JumpTable::Simplified, "simplified",
|
|
"Create one table per simplified function type."),
|
|
clEnumValN(JumpTable::Full, "full",
|
|
"Create one table per unique function type."),
|
|
clEnumValEnd));
|
|
|
|
cl::opt<bool>
|
|
FCFI("fcfi",
|
|
cl::desc("Apply forward-edge control-flow integrity"),
|
|
cl::init(false));
|
|
|
|
cl::opt<llvm::CFIntegrity>
|
|
CFIType("cfi-type",
|
|
cl::desc("Choose the type of Control-Flow Integrity check to add"),
|
|
cl::init(CFIntegrity::Sub),
|
|
cl::values(
|
|
clEnumValN(CFIntegrity::Sub, "sub",
|
|
"Subtract the pointer from the table base, then mask."),
|
|
clEnumValN(CFIntegrity::Ror, "ror",
|
|
"Use rotate to check the offset from a table base."),
|
|
clEnumValN(CFIntegrity::Add, "add",
|
|
"Mask out the high bits and add to an aligned base."),
|
|
clEnumValEnd));
|
|
|
|
cl::opt<bool>
|
|
CFIEnforcing("cfi-enforcing",
|
|
cl::desc("Enforce CFI or pass the violation to a function."),
|
|
cl::init(false));
|
|
|
|
// Note that this option is linked to the cfi-enforcing option above: if
|
|
// cfi-enforcing is set, then the cfi-func-name option is entirely ignored. If
|
|
// cfi-enforcing is false and no cfi-func-name is set, then a default function
|
|
// will be generated that ignores all CFI violations. The expected signature for
|
|
// functions called with CFI violations is
|
|
//
|
|
// void (i8*, i8*)
|
|
//
|
|
// The first pointer is a C string containing the name of the function in which
|
|
// the violation occurs, and the second pointer is the pointer that violated
|
|
// CFI.
|
|
cl::opt<std::string>
|
|
CFIFuncName("cfi-func-name", cl::desc("The name of the CFI function to call"),
|
|
cl::init(""));
|
|
|
|
// Common utility function tightly tied to the options listed here. Initializes
|
|
// a TargetOptions object with CodeGen flags and returns it.
|
|
static inline TargetOptions InitTargetOptionsFromCodeGenFlags() {
|
|
TargetOptions Options;
|
|
Options.LessPreciseFPMADOption = EnableFPMAD;
|
|
Options.NoFramePointerElim = DisableFPElim;
|
|
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.TrapFuncName = TrapFuncName;
|
|
Options.PositionIndependentExecutable = EnablePIE;
|
|
Options.UseInitArray = !UseCtors;
|
|
Options.DataSections = DataSections;
|
|
Options.FunctionSections = FunctionSections;
|
|
|
|
Options.MCOptions = InitMCTargetOptionsFromFlags();
|
|
Options.JTType = JTableType;
|
|
Options.FCFI = FCFI;
|
|
Options.CFIType = CFIType;
|
|
Options.CFIEnforcing = CFIEnforcing;
|
|
Options.CFIFuncName = CFIFuncName;
|
|
|
|
Options.ThreadModel = TMModel;
|
|
|
|
return Options;
|
|
}
|
|
|
|
#endif
|