================
@@ -1125,6 +1130,10 @@ Register SparcTargetLowering::getRegisterByName(const
char* RegName, LLT VT,
.Case("g4", SP::G4).Case("g5", SP::G5).Case("g6", SP::G6).Case("g7",
SP::G7)
.Default(0);
+ const SparcRegisterInfo *TRI = Subtarget->getRegisterInfo();
+ if (!TRI->isReservedReg(MF, Reg))
+ Reg = 0;
----------------
jrtc27 wrote:
```not --crash```
Though you need to be sure it will deterministically crash even in
non-assertions release builds
https://github.com/llvm/llvm-project/pull/74927
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