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

[Dominik Montada via Phabricator via llvm-commits]

gargaroff updated this revision to Diff 249395.
gargaroff added a comment.

Initialize SrcRegs to exact size


Repository:
  rG LLVM Github Monorepo

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

https://reviews.llvm.org/D75915

Files:
  llvm/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
  llvm/test/CodeGen/AArch64/GlobalISel/legalize-undef.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-bitcast.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-merge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir
  llvm/test/CodeGen/AMDGPU/GlobalISel/legalize-zext.mir
  llvm/test/CodeGen/Mips/GlobalISel/legalizer/bitwise.mir
  llvm/test/CodeGen/Mips/GlobalISel/legalizer/trunc.mir
  llvm/test/CodeGen/Mips/GlobalISel/legalizer/zextLoad_and_sextLoad.mir
  llvm/test/CodeGen/Mips/GlobalISel/legalizer/zext_and_sext.mir
  llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/zextLoad_and_sextLoad.ll
  llvm/test/CodeGen/Mips/GlobalISel/llvm-ir/zext_and_sext.ll

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