[PATCH] D52410: Use TRI->regsOverlap() in MachineBasicBlock::computeRegisterLiveness

Mikael Holmén via Phabricator via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 24 07:21:44 PDT 2018


uabelho added a comment.

In https://reviews.llvm.org/D52410#1243309, @arsenm wrote:

> An instruction just needs to def one or the other and the live out would be vcc, since it needs to visit the super register


Hm, you think any of the cases in test/CodeGen/AMDGPU/fold-immediate-operand-shrink.mir could be copied and modifed
into exposing it then? Any idea which one would be most appropriate?


Repository:
  rL LLVM

https://reviews.llvm.org/D52410





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