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(parent: 093200f) | patch
[InstCombine] Remove redundant splats in InstCombineVectorOps
authorMatt Devereau <matthew.devereau@arm.com>
Wed, 12 Oct 2022 09:20:05 +0000 (09:20 +0000)
committerMatt Devereau <matthew.devereau@arm.com>
Wed, 2 Nov 2022 11:57:05 +0000 (11:57 +0000)
commit957eed0b1af2cb88edafe1ff2643a38165c67a40
tree45de0933a2a0ad9334ea1508f360f5b6af5119e2tree | snapshot
parent093200fd00ff5d3a615410ce66d666467629a10bcommit | diff
[InstCombine] Remove redundant splats in InstCombineVectorOps

Splatting the first vector element of the result of a BinOp, where any of the
BinOp's operands are the result of a first vector element splat can be simplified to
splatting the first vector element of the result of the BinOp

Differential Revision: https://reviews.llvm.org/D135876
llvm/lib/Transforms/InstCombine/InstCombineInternal.h diff | blob | history
llvm/lib/Transforms/InstCombine/InstCombineVectorOps.cpp diff | blob | history
llvm/test/Transforms/InstCombine/shuffle-binop.ll diff | blob | history
llvm/test/Transforms/VectorCombine/AArch64/insert-shuffle-binop.ll [deleted file] blob | history
Domain: System / Toolchain;