[PATCH] D52109: [TwoAddressInstructionPass] Don't update SrcRegMap for copies inserted for tied register constraint when the src isn't killed

[Bjorn Pettersson via Phabricator via llvm-commits]

bjope added a comment.

Have you considered making a `.mir`-test that show the effect of TwoAddressInstruction pass here. Maybe an overkill since there already are plenty of test cases that are affected by the change, but it would make it easier to understand the tranformation difference that we introduce in the TwoAddressInstructionPass.


Repository:
  rL LLVM

https://reviews.llvm.org/D52109