[PATCH] D59892: [GlobalISel] Fix legalizer artifact combiner from crashing with invalid dead instructions

[Amara Emerson via Phabricator via llvm-commits]

This revision was automatically updated to reflect the committed changes.
Closed by commit rL357101: [GlobalISel] Fix legalizer artifact combiner from crashing with invalid dead… (authored by aemerson, committed by ).

Changed prior to commit:
  https://reviews.llvm.org/D59892?vs=192470&id=192476#toc

Repository:
  rL LLVM

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D59892/new/

https://reviews.llvm.org/D59892

Files:
  llvm/trunk/include/llvm/CodeGen/GlobalISel/LegalizationArtifactCombiner.h
  llvm/trunk/lib/CodeGen/GlobalISel/Legalizer.cpp
  llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalize-phi.mir
  llvm/trunk/test/CodeGen/AArch64/GlobalISel/legalizer-combiner-zext-trunc-crash.mir
  llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-icmp.mir
  llvm/trunk/test/CodeGen/AMDGPU/GlobalISel/legalize-unmerge-values.mir
  llvm/trunk/test/CodeGen/Mips/GlobalISel/legalizer/sub.mir

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