[PATCH] D140907: [GlobalISel] New combine to commute constant operands to the RHS
Thomas Symalla via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Jan 5 03:07:00 PST 2023
tsymalla added inline comments.
================
Comment at: llvm/test/CodeGen/AMDGPU/GlobalISel/mul-known-bits.i64.ll:174
; GFX11-NEXT: v_lshlrev_b32_e32 v0, 2, v0
+; GFX11-NEXT: v_mov_b32_e32 v2, 0
; GFX11-NEXT: s_waitcnt lgkmcnt(0)
----------------
foad wrote:
> tsymalla wrote:
> > Shouldn't this one be eliminated?
> Why? It's used by the global_store below.
Missed that one.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D140907/new/
https://reviews.llvm.org/D140907
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