================
@@ -8097,8 +8095,16 @@ void SIInstrInfo::legalizeOperandsVALUt16(MachineInstr
&MI, unsigned OpIdx,
if (!RI.isVGPRClass(CurrRC))
return;
- int16_t RCID = getOpRegClassID(get(Opcode).operands()[OpIdx]);
- const TargetRegisterClass *ExpectedRC = RI.getRegClass(RCID);
+ const TargetRegisterClass *ExpectedRC;
----------------
shiltian wrote:
```suggestion
const TargetRegisterClass *ExpectedRC = nullptr;
```
LLVM recently has a trend to always initialize local variables.
https://github.com/llvm/llvm-project/pull/222155
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