diff options
Diffstat (limited to 'llvm/lib/Transforms/InstCombine/InstructionCombining.cpp')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp index 8cbf57a97ef..723bb4c0d68 100644 --- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -1375,7 +1375,8 @@ Instruction *InstCombiner::foldVectorBinop(BinaryOperator &Inst) { if (match(LHS, m_ShuffleVector(m_Value(L0), m_Value(L1), m_Constant(Mask))) && match(RHS, m_ShuffleVector(m_Value(R0), m_Value(R1), m_Specific(Mask))) && LHS->hasOneUse() && RHS->hasOneUse() && - cast<ShuffleVectorInst>(LHS)->isConcat()) { + cast<ShuffleVectorInst>(LHS)->isConcat() && + cast<ShuffleVectorInst>(RHS)->isConcat()) { // This transform does not have the speculative execution constraint as // below because the shuffle is a concatenation. The new binops are // operating on exactly the same elements as the existing binop. |
