diff options
| author | Michael Ilseman <milseman@apple.com> | 2012-11-27 00:43:38 +0000 |
|---|---|---|
| committer | Michael Ilseman <milseman@apple.com> | 2012-11-27 00:43:38 +0000 |
| commit | 495d10ad56d1113ba33e0589e7c4f96f3c16fa52 (patch) | |
| tree | cbcbe1cc27c28f06774260ca1894aa0f1e58b60c /lib/Bitcode/Writer/BitcodeWriter.cpp | |
| parent | 15c13d3e63d7745bccad74d547af4e3482193eaa (diff) | |
| download | llvm-495d10ad56d1113ba33e0589e7c4f96f3c16fa52.tar.gz llvm-495d10ad56d1113ba33e0589e7c4f96f3c16fa52.tar.bz2 llvm-495d10ad56d1113ba33e0589e7c4f96f3c16fa52.tar.xz | |
Fast-math flags for the bitcode
Added in bitcode enum for the serializing of fast-math flags. Added in the reading/writing of fast-math flags from the OptimizationFlags record for BinaryOps.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@168646 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Bitcode/Writer/BitcodeWriter.cpp')
| -rw-r--r-- | lib/Bitcode/Writer/BitcodeWriter.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/lib/Bitcode/Writer/BitcodeWriter.cpp b/lib/Bitcode/Writer/BitcodeWriter.cpp index cf3c9fd74e..6206479b8d 100644 --- a/lib/Bitcode/Writer/BitcodeWriter.cpp +++ b/lib/Bitcode/Writer/BitcodeWriter.cpp @@ -553,6 +553,18 @@ static uint64_t GetOptimizationFlags(const Value *V) { dyn_cast<PossiblyExactOperator>(V)) { if (PEO->isExact()) Flags |= 1 << bitc::PEO_EXACT; + } else if (const FPMathOperator *FPMO = + dyn_cast<const FPMathOperator>(V)) { + if (FPMO->hasUnsafeAlgebra()) + Flags |= 1 << bitc::FMF_UNSAFE_ALGEBRA; + if (FPMO->hasNoNaNs()) + Flags |= 1 << bitc::FMF_NO_NANS; + if (FPMO->hasNoInfs()) + Flags |= 1 << bitc::FMF_NO_INFS; + if (FPMO->hasNoSignedZeros()) + Flags |= 1 << bitc::FMF_NO_SIGNED_ZEROS; + if (FPMO->hasAllowReciprocal()) + Flags |= 1 << bitc::FMF_ALLOW_RECIPROCAL; } return Flags; |