[PATCH] D82638: [MachineCopyPropagation] BackwardPropagatableCopy: add check for hasOverlappingMultipleDef

[Kai Luo via Phabricator via llvm-commits]

lkail added inline comments.


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Comment at: llvm/test/CodeGen/ARM/mcp-dest-regs-no-dup.mir:91
+    renamable $r0 = MOVi32imm 1813430637
+    dead renamable $r9, renamable $r0 = UMULL renamable $lr, killed renamable $r0, 14 /* CC::al */, $noreg, $noreg
+    renamable $r9 = COPY killed renamable $r0
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Could you make the MIR test smaller to include minimal instructions trigger the error, so that reviewers can review it easier?


Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D82638/new/

https://reviews.llvm.org/D82638