[PATCH] D140649: [AArch64][SelectionDAG] Eliminates redundant zero-extension for 32-bit popcount
Eli Friedman via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Wed Jan 4 19:52:03 PST 2023
efriedma added inline comments.
================
Comment at: llvm/test/CodeGen/AArch64/arm64-popcnt.ll:43
; CHECK-NEXT: // kill: def $d0 killed $d0 def $q0
-; CHECK-NEXT: fmov w8, s0
-; CHECK-NEXT: fmov d0, x8
; CHECK-NEXT: cnt.8b v0, v0
; CHECK-NEXT: uaddlv.8b h0, v0
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This doesn't appear to be equivalent.
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D140649/new/
https://reviews.llvm.org/D140649
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