[PATCH] D87585: [AMDGPU] Dynamically clear renamable to avoid constant bus errors

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

In D87585#2271185 <https://reviews.llvm.org/D87585#2271185>, @arsenm wrote:

> Where/why is renameable set in the first place? Can we just avoid setting it to begin with?

Looks like it was originally done to avoid passes like MachineCopyPropagation from introducing constant bus violations: rG1d531013876c02b18df678a5f67d6a7d94e392b9 <https://reviews.llvm.org/rG1d531013876c02b18df678a5f67d6a7d94e392b9>


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