[PATCH] D42647: AMDGPU: Track physreg uses in SILoadStoreOptimizer

[Nicolai Hähnle via Phabricator via llvm-commits]

nhaehnle created this revision.
nhaehnle added reviewers: arsenm, mareko, rampitec.
Herald added subscribers: t-tye, tpr, dstuttard, yaxunl, wdng, kzhuravl.

This handles def-after-use of physregs, and allows us to merge loads and
stores even across some physreg defs (typically M0 defs).

Change-Id: I076484b2bda27c2cf46013c845a0380c5b89b67b


Repository:
  rL LLVM

https://reviews.llvm.org/D42647

Files:
  lib/Target/AMDGPU/SILoadStoreOptimizer.cpp
  test/CodeGen/AMDGPU/smrd.ll

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