[PATCH] D75915: [GlobalISel] combine G_TRUNC with G_MERGE_VALUES

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added inline comments.


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Comment at: llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-trunc.mir:2
+# NOTE: Assertions have been autogenerated by utils/update_mir_test_checks.py
+# RUN: llc -O0 -mtriple=amdgcn-mesa-mesa3d -mcpu=tahiti -run-pass=legalizer -global-isel-abort=0 %s -o - | FileCheck %s
+
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Can probably remove -global-isel-abort=0


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Comment at: llvm/test/CodeGen/AMDGPU/GlobalISel/artifact-combiner-trunc.mir:98
+    $vgpr0 = COPY %4
+...
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Should add some cases with pointers to catch the isScalar checks


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D75915/new/

https://reviews.llvm.org/D75915