RegisterCoalescer: Remove unnecessary maybe_unused

2214026 didn't fix an unused variable warning correctly.
pratlucas · Jun 6, 2024 · 5be0d00 · 5be0d00
1 parent ac5e278
commit 5be0d00
Showing 1 changed file with 2 additions and 3 deletions.
diff --git a/llvm/lib/CodeGen/RegisterCoalescer.cpp b/llvm/lib/CodeGen/RegisterCoalescer.cpp
@@ -1339,14 +1339,13 @@ bool RegisterCoalescer::reMaterializeTrivialDef(const CoalescerPair &CP,
  if (SrcIdx && DstIdx)
  return false;
 
- [[maybe_unused]] const unsigned DefSubIdx = DefMI->getOperand(0).getSubReg();
+ const unsigned DefSubIdx = DefMI->getOperand(0).getSubReg();
  const TargetRegisterClass *DefRC = TII->getRegClass(MCID, 0, TRI, *MF);
  if (!DefMI->isImplicitDef()) {
  if (DstReg.isPhysical()) {
  Register NewDstReg = DstReg;
 
- unsigned NewDstIdx = TRI->composeSubRegIndices(CP.getSrcIdx(),
- DefMI->getOperand(0).getSubReg());
+ unsigned NewDstIdx = TRI->composeSubRegIndices(CP.getSrcIdx(), DefSubIdx);
  if (NewDstIdx)
  NewDstReg = TRI->getSubReg(DstReg, NewDstIdx);