[PATCH] D90724: [NFC] Use Register/MCRegister

[Mircea Trofin via Phabricator via llvm-commits]

mtrofin added inline comments.


================
Comment at: llvm/lib/Target/AMDGPU/SIOptimizeExecMaskingPreRA.cpp:142
   unsigned CmpSubReg = AndCC->getSubReg();
-  if (CmpReg == ExecReg) {
+  if (CmpReg == Register(ExecReg)) {
     AndCC = &And->getOperand(2);
----------------
gjain wrote:
> Does it make sense that instead of converting a MCRegister to a Register we should just compare the id's? I would think we we'd want to avoid easy conversions of MCRegister to Register.
> 
> Another options is we actually provide a comparison operator between MCRegister and Register.
Probably a pair == & != operators would be reasonable; I hit this a couple of times... hmm... may be best to do it in one swoop.

I'd add them in a subsequent patch, wdyt?


Repository:
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  https://reviews.llvm.org/D90724/new/

https://reviews.llvm.org/D90724