diff options
| author | Owen Anderson <resistor@mac.com> | 2014-01-16 21:07:52 +0000 |
|---|---|---|
| committer | Owen Anderson <resistor@mac.com> | 2014-01-16 21:07:52 +0000 |
| commit | 5d9450f92f559bec20ef2ce253ab7bdf5e75216b (patch) | |
| tree | 8aa0478e8b1dd06552268231c1c755663b18f759 /lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | |
| parent | da5e148474e717918af06024d0b2ead54373f3f9 (diff) | |
| download | llvm-5d9450f92f559bec20ef2ce253ab7bdf5e75216b.tar.gz llvm-5d9450f92f559bec20ef2ce253ab7bdf5e75216b.tar.bz2 llvm-5d9450f92f559bec20ef2ce253ab7bdf5e75216b.tar.xz | |
Fix an instance where we would drop fast math flags when performing an fdiv to reciprocal multiply transformation.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@199425 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineMulDivRem.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineMulDivRem.cpp | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp index 94461c5f84..f61d82340b 100644 --- a/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp +++ b/lib/Transforms/InstCombine/InstCombineMulDivRem.cpp @@ -1050,8 +1050,10 @@ Instruction *InstCombiner::visitFDiv(BinaryOperator &I) { } // X / C => X * 1/C - if (Instruction *T = CvtFDivConstToReciprocal(Op0, Op1C, AllowReciprocal)) + if (Instruction *T = CvtFDivConstToReciprocal(Op0, Op1C, AllowReciprocal)) { + T->copyFastMathFlags(&I); return T; + } return 0; } |