[all-commits] [llvm/llvm-project] ac4a38: [SLP] Emit reduction instead of 2 extracts + scala...
Alexey Bataev via All-commits
all-commits at lists.llvm.org
Wed Jul 9 16:52:31 PDT 2025
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: ac4a38e9bd573a173432b89cbef7cce7a48e7907
https://github.com/llvm/llvm-project/commit/ac4a38e9bd573a173432b89cbef7cce7a48e7907
Author: Alexey Bataev <a.bataev at outlook.com>
Date: 2025-07-09 (Wed, 09 Jul 2025)
Changed paths:
M llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp
M llvm/test/Transforms/SLPVectorizer/AArch64/commute.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/reduce-fadd.ll
M llvm/test/Transforms/SLPVectorizer/AArch64/slp-fma-loss.ll
M llvm/test/Transforms/SLPVectorizer/RISCV/revec.ll
M llvm/test/Transforms/SLPVectorizer/RISCV/vec3-base.ll
M llvm/test/Transforms/SLPVectorizer/X86/dot-product.ll
M llvm/test/Transforms/SLPVectorizer/extracts-with-undefs.ll
Log Message:
-----------
[SLP] Emit reduction instead of 2 extracts + scalar op, when vectorizing operands (#147583)
Added emission of the 2-element reduction instead of 2 extracts + scalar
op, when trying to vectorize operands of the instruction, if it is more
profitable.
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