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llvm-mirror/include/llvm/MC/MCTargetOptionsCommandFlags.h
Weiming Zhao 404d8d84c6 Summary: Currently there is no way to disable deprecated warning from asm like this
clang  -target arm deprecated-asm.s -c
  deprecated-asm.s:30:9: warning: use of SP or PC in the list is deprecated
       stmia   r4!, {r12-r14}

We have to have an option what can disable it.

Patched by Yin Ma!

Reviewers: joey, echristo, weimingz

Subscribers: llvm-commits, aemerson

Differential Revision: https://reviews.llvm.org/D27219

llvm-svn: 288734
2016-12-05 23:55:13 +00:00

81 lines
3.1 KiB
C++

//===-- MCTargetOptionsCommandFlags.h --------------------------*- 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 machine code-specific flags that are shared between
// different command line tools.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_MC_MCTARGETOPTIONSCOMMANDFLAGS_H
#define LLVM_MC_MCTARGETOPTIONSCOMMANDFLAGS_H
#include "llvm/MC/MCTargetOptions.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
cl::opt<MCTargetOptions::AsmInstrumentation> AsmInstrumentation(
"asm-instrumentation", cl::desc("Instrumentation of inline assembly and "
"assembly source files"),
cl::init(MCTargetOptions::AsmInstrumentationNone),
cl::values(clEnumValN(MCTargetOptions::AsmInstrumentationNone, "none",
"no instrumentation at all"),
clEnumValN(MCTargetOptions::AsmInstrumentationAddress, "address",
"instrument instructions with memory arguments")));
cl::opt<bool> RelaxAll("mc-relax-all",
cl::desc("When used with filetype=obj, "
"relax all fixups in the emitted object file"));
cl::opt<bool> IncrementalLinkerCompatible(
"incremental-linker-compatible",
cl::desc(
"When used with filetype=obj, "
"emit an object file which can be used with an incremental linker"));
cl::opt<bool> PIECopyRelocations("pie-copy-relocations", cl::desc("PIE Copy Relocations"));
cl::opt<int> DwarfVersion("dwarf-version", cl::desc("Dwarf version"),
cl::init(0));
cl::opt<bool> ShowMCInst("asm-show-inst",
cl::desc("Emit internal instruction representation to "
"assembly file"));
cl::opt<bool> FatalWarnings("fatal-warnings",
cl::desc("Treat warnings as errors"));
cl::opt<bool> NoWarn("no-warn", cl::desc("Suppress all warnings"));
cl::alias NoWarnW("W", cl::desc("Alias for --no-warn"), cl::aliasopt(NoWarn));
cl::opt<bool> NoDeprecatedWarn("no-deprecated-warn",
cl::desc("Suppress all deprecated warnings"));
cl::opt<std::string>
ABIName("target-abi", cl::Hidden,
cl::desc("The name of the ABI to be targeted from the backend."),
cl::init(""));
static inline MCTargetOptions InitMCTargetOptionsFromFlags() {
MCTargetOptions Options;
Options.SanitizeAddress =
(AsmInstrumentation == MCTargetOptions::AsmInstrumentationAddress);
Options.MCRelaxAll = RelaxAll;
Options.MCIncrementalLinkerCompatible = IncrementalLinkerCompatible;
Options.MCPIECopyRelocations = PIECopyRelocations;
Options.DwarfVersion = DwarfVersion;
Options.ShowMCInst = ShowMCInst;
Options.ABIName = ABIName;
Options.MCFatalWarnings = FatalWarnings;
Options.MCNoWarn = NoWarn;
Options.MCNoDeprecatedWarn = NoDeprecatedWarn;
return Options;
}
#endif