diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp index c0fd14b2644..838ef3a1c6a 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineAddSub.cpp @@ -1062,9 +1062,7 @@ Instruction *InstCombiner::narrowAddIfNoOverflow(BinaryOperator &I) { } // Both operands have narrow versions. Last step: the math must not overflow // in the narrow width. - bool WillNotOverflow = IsSext ? willNotOverflowSignedAdd(X, Y, I) - : willNotOverflowUnsignedAdd(X, Y, I); - if (!WillNotOverflow) + if (!willNotOverflowAdd(X, Y, I, IsSext)) return nullptr; // add (ext X), (ext Y) --> ext (add X, Y) |
