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

[Simon Wallis via Phabricator via llvm-commits]

simonwallis2 added a comment.

Hi @lkail

Yes, I used llc -stop-before=machine-cp mcp-dest-regs-no-dup.ll
to create the MIR test mcp-dest-regs-no-dup.mir

I note that the RUN line you suggested produces this error:
llc: warning: run-pass is for .mir file only.


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https://reviews.llvm.org/D82638