[PATCH] D137689: [AArch64] Select BFI/BFXIL to ORR with shifted operand when one operand is the left or right shift of another operand
Zakk Chen via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Nov 10 09:44:17 PST 2022
khchen added inline comments.
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Comment at: llvm/test/CodeGen/AArch64/bitfield-insert.ll:641
; For or operation, one operand is a left shift of another operand.
; Use orr with left-shifted operand is better than bfi.
define i64 @test_orr_not_bfi_i64(i64 %0) {
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seem we could update the comments as well.
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D137689/new/
https://reviews.llvm.org/D137689
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