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-rw-r--r--llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp4
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
index 599d50b46cb..eda3f059e69 100644
--- a/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
+++ b/llvm/lib/Transforms/Utils/SimplifyLibCalls.cpp
@@ -1124,9 +1124,7 @@ Value *LibCallSimplifier::optimizeCAbs(CallInst *CI, IRBuilder<> &B) {
static Value *optimizeTrigReflections(CallInst *Call, LibFunc Func,
IRBuilder<> &B) {
- IRBuilder<>::FastMathFlagGuard Guard(B);
- B.setFastMathFlags(Call->getFastMathFlags());
-
+ // FIXME: This drops FMF.
// TODO: Add tan() and other calls.
// TODO: Can this be shared to also handle LLVM intrinsics?
Value *X;
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