[PATCH] D62338: [globalisel][legalizer] Combine G_TRUNC+G_MERGE_VALUES in artifact combiner

[Daniel Sanders via Phabricator via llvm-commits]

dsanders updated this revision to Diff 214710.
dsanders added a comment.

Rebase
Note: The addition of s128 G_LOAD/G_STORE to AArch64's made test_inserts_[123] from test/CodeGen/AArch64/GlobalISel/legalize-inserts.mir unusable so they are only tested in LegalizerArtifactCombinerTest.cpp now


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D62338/new/

https://reviews.llvm.org/D62338

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-inserts.mir
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-undef.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz-zero-undef.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-ctlz.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir
  llvm/unittests/CodeGen/GlobalISel/CMakeLists.txt
  llvm/unittests/CodeGen/GlobalISel/GISelMITest.h
  llvm/unittests/CodeGen/GlobalISel/LegalizerArtifactCombinerTest.cpp

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