[PATCH] D22198: AMDGPU: Do not clobber SCC in SIWholeQuadMode

Sun Jul 17 06:14:54 PDT 2016

nhaehnle updated this revision to Diff 64251.
nhaehnle marked 4 inline comments as done.
nhaehnle added a comment.

Rewrite in terms of LiveIntervals. (LivePhysRegs complains about remaining
virtual registers.)

Not sure about those DebugLocs. I'm not very familiar with their semantics,
but there isn't usually one particular instruction that can be pinned down
as the reason for inserting a new instruction (for example, when a new
instruction is added at the end of a basic block).

https://reviews.llvm.org/D22198

Files:
  lib/Target/AMDGPU/SIWholeQuadMode.cpp
  test/CodeGen/AMDGPU/wqm.ll

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