[PATCH] D104874: [AMDGPU] Add S_MOV_B64_IMM_PSEUDO for fp constants

[Matt Arsenault via Phabricator via llvm-commits]

arsenm added a comment.

Do you have a MIR example that fails to rematerialize as is? We split so many 64-bit operations it might be worthwhile just teaching the coalescer how to handle it


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  https://reviews.llvm.org/D104874/new/

https://reviews.llvm.org/D104874