================
@@ -1741,9 +1741,15 @@ bool VPInstruction::usesFirstLaneOnly(const VPValue *Op)
const {
return Op == getOperand(1) || Op == getOperand(2);
case Instruction::PHI:
return true;
+ case Instruction::Select:
----------------
fhahn wrote:
If anything, this should probably be a combine/explicit narrowing
https://github.com/llvm/llvm-project/pull/223640
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