llvm-project
[AMDGPU] Fix GCNRewritePartialRegUses pass: vector regclass is selected instead of scalar.
#69957

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[AMDGPU] Fix GCNRewritePartialRegUses pass: vector regclass is selected instead of scalar. #69957

vpykhtin merged 2 commits into llvm:main from vpykhtin:fix_rewrite_partial_reg_uses_conservative

llvmbot added backend:AMDGPU

vpykhtin requested a review from

arsenm 2 years ago

arsenm commented on 2023-10-24

perlfu commented on 2023-11-15

add test to illustrate the problem

dc4538e9

fix by taking original subreg regclass into account.

22a58790

vpykhtin force pushed to 22a58790 1 year ago

perlfu approved these changes on 2023-11-16

vpykhtin merged 667ba7f8 into main 1 year ago

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