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//===-- llvm/Target/TargetOptions.h - Target Options ------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file was developed by the LLVM research group and is distributed under
// the University of Illinois Open Source License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines command line option flags that are shared across various
// targets.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_TARGET_TARGETOPTIONS_H
#define LLVM_TARGET_TARGETOPTIONS_H
namespace llvm {
/// PrintMachineCode - This flag is enabled when the -print-machineinstrs
/// option is specified on the command line, and should enable debugging
/// output from the code generator.
extern bool PrintMachineCode;
/// NoFramePointerElim - This flag is enabled when the -disable-fp-elim is
/// specified on the command line. If the target supports the frame pointer
/// elimination optimization, this option should disable it.
extern bool NoFramePointerElim;
/// NoExcessFPPrecision - This flag is enabled when the
/// -disable-excess-fp-precision flag is specified on the command line. When
/// this flag is off (the default), the code generator is allowed to produce
/// results that are "more precise" than IEEE allows. This includes use of
/// FMA-like operations and use of the X86 FP registers without rounding all
/// over the place.
extern bool NoExcessFPPrecision;
/// UnsafeFPMath - This flag is enabled when the
/// -enable-unsafe-fp-math flag is specified on the command line. When
/// this flag is off (the default), the code generator is not allowed to
/// produce results that are "less precise" than IEEE allows. This includes
/// use of X86 instructions like FSIN and FCOS instead of libcalls.
/// UnsafeFPMath implies FiniteOnlyFPMath.
extern bool UnsafeFPMath;
/// FiniteOnlyFPMath - This returns true when the -enable-finite-only-fp-math
/// option is specified on the command line. If this returns false (default),
/// the code generator is not allowed to assume that FP arithmetic arguments
/// and results are never NaNs or +-Infs.
extern bool FiniteOnlyFPMathOption;
extern bool FiniteOnlyFPMath();
} // End llvm namespace
#endif
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