================
@@ -250,7 +250,7 @@ MachineInstr *GCNDPPCombine::createDPPInst(MachineInstr
&OrigMI,
++NumOperands;
}
if (auto *SDst = TII->getNamedOperand(OrigMI, AMDGPU::OpName::sdst)) {
- if (TII->isOperandLegal(*DPPInst.getInstr(), NumOperands, SDst)) {
+ if (AMDGPU::hasNamedOperand(DPPOp, AMDGPU::OpName::sdst)) {
----------------
arsenm wrote:
Yes. isOperandLegal doesn't do anything meaningful on results
https://github.com/llvm/llvm-project/pull/155595
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