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Morten Ofstad! git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@21630 91177308-0d34-0410-b5e6-96231b3b80d8
53 lines
2.3 KiB
C++
53 lines
2.3 KiB
C++
//===-- llvm/Target/TargetOptions.h - Target Options ------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file was developed by the LLVM research group and is distributed under
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// the University of Illinois Open Source License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file defines command line option flags that are shared across various
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// targets.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TARGET_TARGETOPTIONS_H
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#define LLVM_TARGET_TARGETOPTIONS_H
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namespace llvm {
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/// PrintMachineCode - This flag is enabled when the -print-machineinstrs
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/// option is specified on the command line, and should enable debugging
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/// output from the code generator.
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extern bool PrintMachineCode;
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/// NoFramePointerElim - This flag is enabled when the -disable-fp-elim is
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/// specified on the command line. If the target supports the frame pointer
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/// elimination optimization, this option should disable it.
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extern bool NoFramePointerElim;
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/// NoExcessFPPrecision - This flag is enabled when the
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/// -disable-excess-fp-precision flag is specified on the command line. When
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/// this flag is off (the default), the code generator is allowed to produce
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/// results that are "more precise" than IEEE allows. This includes use of
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/// FMA-like operations and use of the X86 FP registers without rounding all
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/// over the place.
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extern bool NoExcessFPPrecision;
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/// PatternISelTriState - This flag is enabled when -pattern-isel=X is
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/// specified on the command line. The default value is 2, in which case the
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/// target chooses what is best for it. Setting X to 0 forces the use of
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/// a simple ISel if available, while setting it to 1 forces the use of a
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/// pattern ISel if available.
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extern int PatternISelTriState;
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/// UnsafeFPMath - This flag is enabled when the
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/// -enable-unsafe-fp-math flag is specified on the command line. When
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/// this flag is off (the default), the code generator is not allowed to
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/// produce results that are "less precise" than IEEE allows. This includes
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/// use of X86 instructions like FSIN and FCOS instead of libcalls.
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extern bool UnsafeFPMath;
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} // End llvm namespace
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#endif
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