[PATCH] D92069: [NFC] [TargetRegisterInfo] add one use check to lookThruCopyLike.

[Eric Christopher via Phabricator via llvm-commits]

echristo added inline comments.


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Comment at: llvm/lib/CodeGen/TargetRegisterInfo.cpp:536
 
+Register TargetRegisterInfo::lookThruSingleUseCopyChain(
+    Register SrcReg, const MachineRegisterInfo *MRI) const {
----------------
You should document what it's doing ahead of time as well. It's not clear when and how you'd use this function.


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  https://reviews.llvm.org/D92069/new/

https://reviews.llvm.org/D92069