[PATCH] D52061: [RegisterCoalescer] Only look at main ranges in valuesIdentical/followCopyChain

[Quentin Colombet via Phabricator via llvm-commits]

qcolombet added a comment.

Hi,

> The fix here is to only detect an "identical erase" in the main range.

Conceptually, the fix doesn't make sense to me.
If one of the subrange disagrees, wouldn't that mean the main live-range is not an identical erase?

Cheers,
-Quentin


Repository:
  rL LLVM

https://reviews.llvm.org/D52061