[all-commits] [llvm/llvm-project] 41119a: [DAGCombiner] Extend visitAND to include EXTRACT_S...
david-arm via All-commits
all-commits at lists.llvm.org
Mon Aug 1 02:32:48 PDT 2022
Branch: refs/heads/main
Home: https://github.com/llvm/llvm-project
Commit: 41119a0f520d07a438f7434f17ce63cc3a942d1b
https://github.com/llvm/llvm-project/commit/41119a0f520d07a438f7434f17ce63cc3a942d1b
Author: David Sherwood <david.sherwood at arm.com>
Date: 2022-08-01 (Mon, 01 Aug 2022)
Changed paths:
M llvm/include/llvm/CodeGen/ISDOpcodes.h
M llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
A llvm/test/CodeGen/AArch64/extract-subvec-combine.ll
M llvm/test/CodeGen/AArch64/vector-fcvt.ll
Log Message:
-----------
[DAGCombiner] Extend visitAND to include EXTRACT_SUBVECTOR
Eliminate an AND by redefining an anyext|sext|zext.
(and (extract_subvector (anyext|sext|zext v) _) iN_mask)
=> (extract_subvector (zeroext_iN v))
Differential Revision: https://reviews.llvm.org/D130782
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