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author | Evan Cheng <evan.cheng@apple.com> | 2010-07-15 22:07:12 +0000 |
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committer | Evan Cheng <evan.cheng@apple.com> | 2010-07-15 22:07:12 +0000 |
commit | ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d (patch) | |
tree | 1a6b4b66886e92d9957d1e0fe28c04ec3beac7ef /include/llvm/Target | |
parent | 9b47624619293212cebe9f5101c37a4f03a93c39 (diff) | |
download | external_llvm-ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d.tar.gz external_llvm-ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d.tar.bz2 external_llvm-ddc0a8b9568a49c9b26f8c35d5ed777bc91c116d.zip |
Split -enable-finite-only-fp-math to two options:
-enable-no-nans-fp-math and -enable-no-infs-fp-math. All of the current codegen fp math optimizations only care whether the fp arithmetics arguments and results can never be NaN.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108465 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'include/llvm/Target')
-rw-r--r-- | include/llvm/Target/TargetOptions.h | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/include/llvm/Target/TargetOptions.h b/include/llvm/Target/TargetOptions.h index b36988097c..f69778f232 100644 --- a/include/llvm/Target/TargetOptions.h +++ b/include/llvm/Target/TargetOptions.h @@ -71,13 +71,18 @@ namespace llvm { /// UnsafeFPMath implies LessPreciseFPMAD. 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(); - + /// NoInfsFPMath - This flag is enabled when the + /// -enable-no-infs-fp-math flag is specified on the command line. When + /// this flag is off (the default), the code generator is not allowed to + /// assume the FP arithmetic arguments and results are never +-Infs. + extern bool NoInfsFPMath; + + /// NoNaNsFPMath - This flag is enabled when the + /// -enable-no-nans-fp-math flag is specified on the command line. When + /// this flag is off (the default), the code generator is not allowed to + /// assume the FP arithmetic arguments and results are never NaNs. + extern bool NoNaNsFPMath; + /// HonorSignDependentRoundingFPMath - This returns true when the /// -enable-sign-dependent-rounding-fp-math is specified. If this returns /// false (the default), the code generator is allowed to assume that the |