[PATCH] D121277: [MachineSink] Check block prologue does not clobber uses

[Carl Ritson via Phabricator via llvm-commits]

critson created this revision.
critson added reviewers: rampitec, ruiling, foad, vangthao, MatzeB, efriedma.
Herald added subscribers: kerbowa, hiraditya, jvesely.
Herald added a project: All.
critson requested review of this revision.
Herald added a project: LLVM.
Herald added a subscriber: llvm-commits.

PostRA sinking of copies must check that no uses of the copy are
clobbered in the block prologue.


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D121277

Files:
  llvm/lib/CodeGen/MachineSink.cpp
  llvm/test/CodeGen/AMDGPU/sink-after-control-flow-postra.mir

-------------- next part --------------
A non-text attachment was scrubbed...
Name: D121277.414036.patch
Type: text/x-patch
Size: 4277 bytes
Desc: not available
URL: <http://lists.llvm.org/pipermail/llvm-commits/attachments/20220309/4040c900/attachment.bin>