diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils')
| -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 ea49131e937..2eba5fe31e0 100644 --- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp @@ -994,6 +994,10 @@ Value *LibCallSimplifier::optimizeUnaryDoubleFP(CallInst *CI, IRBuilder<> &B, Value *V = valueHasFloatPrecision(CI->getArgOperand(0)); if (V == nullptr) return nullptr; + + // Propagate fast-math flags from the existing call to the new call. + IRBuilder<>::FastMathFlagGuard Guard(B); + B.SetFastMathFlags(CI->getFastMathFlags()); // floor((double)floatval) -> (double)floorf(floatval) if (Callee->isIntrinsic()) { |
