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| author | Sanjay Patel <spatel@rotateright.com> | 2015-12-31 23:40:59 +0000 |
|---|---|---|
| committer | Sanjay Patel <spatel@rotateright.com> | 2015-12-31 23:40:59 +0000 |
| commit | bee05caa6b26cd945efce349dd53285ecae526fa (patch) | |
| tree | b21b0d5a49ae9a66a6d23ce5ecfc8df642385aea /llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | |
| parent | 74658dfaadcfe47e76ad03f7b27f8b09a80d0e71 (diff) | |
| download | bcm5719-llvm-bee05caa6b26cd945efce349dd53285ecae526fa.tar.gz bcm5719-llvm-bee05caa6b26cd945efce349dd53285ecae526fa.zip | |
[LibCallSimplifier] propagate FMF when shrinking binary calls
llvm-svn: 256682
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp index 2eba5fe31e0..bf158949de0 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -1033,6 +1033,10 @@ Value *LibCallSimplifier::optimizeBinaryDoubleFP(CallInst *CI, IRBuilder<> &B) { if (V2 == nullptr) return nullptr; + // Propagate fast-math flags from the existing call to the new call. + IRBuilder<>::FastMathFlagGuard Guard(B); + B.SetFastMathFlags(CI->getFastMathFlags()); + // fmin((double)floatval1, (double)floatval2) // -> (double)fminf(floatval1, floatval2) // TODO: Handle intrinsics in the same way as in optimizeUnaryDoubleFP(). |
