diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp index 07ee3c032c2..6b03b682bca 100644 --- a/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp +++ b/llvm/lib/Transforms/InstCombine/InstCombineCalls.cpp @@ -520,7 +520,7 @@ static Value *simplifyX86muldq(const IntrinsicInst &II, ResTy->getScalarSizeInBits() == 64 && "Unexpected muldq/muludq types"); // muldq/muludq(undef, undef) -> zero (matches generic mul behavior) - if (isa<UndefValue>(Arg0) && isa<UndefValue>(Arg1)) + if (isa<UndefValue>(Arg0) || isa<UndefValue>(Arg1)) return ConstantAggregateZero::get(ResTy); // Constant folding. |
