[PATCH] D97547: [AMDGPU] Better codegen for i64 bitreverse

[Jay Foad via Phabricator via llvm-commits]

foad added a comment.

In D97547#2590076 <https://reviews.llvm.org/D97547#2590076>, @arsenm wrote:

> Also should handle globalisel

GlobalISel already looks good in test/CodeGen/AMDGPU/GlobalISel/legalize-bitreverse.mir.


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