[PATCH] D103408: DetectDeadLanes: Remove assert for subregister defs

[Ahsan Saghir via Phabricator via llvm-commits]

saghir updated this revision to Diff 353438.
saghir added a comment.

Address comments:

- Subreg defs are indeed illegal; taught peephole optimizer not to emit these.
- Added mir test case.


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D103408/new/

https://reviews.llvm.org/D103408

Files:
  llvm/lib/CodeGen/PeepholeOptimizer.cpp
  llvm/test/CodeGen/PowerPC/peephole-subreg.mir

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