diff options
Diffstat (limited to 'lib/Transforms/InstCombine/InstCombineAndOrXor.cpp')
| -rw-r--r-- | lib/Transforms/InstCombine/InstCombineAndOrXor.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp index 3bafc6661b..7d0af0d802 100644 --- a/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp +++ b/lib/Transforms/InstCombine/InstCombineAndOrXor.cpp @@ -995,9 +995,11 @@ Value *InstCombiner::FoldAndOfFCmps(FCmpInst *LHS, FCmpInst *RHS) { std::swap(Op0Ordered, Op1Ordered); } if (Op0Pred == 0) { - // uno && ueq -> uno && (uno || eq) -> ueq + // uno && ueq -> uno && (uno || eq) -> uno // ord && olt -> ord && (ord && lt) -> olt - if (Op0Ordered == Op1Ordered) + if (!Op0Ordered && (Op0Ordered == Op1Ordered)) + return LHS; + if (Op0Ordered && (Op0Ordered == Op1Ordered)) return RHS; // uno && oeq -> uno && (ord && eq) -> false |