[PATCH] D120648: [DAGCombine] fold (bswap(srl (bswap c), 8*x)) -> (shl c, 8*x)
Chenbing.Zheng via Phabricator via llvm-commits
llvm-commits at lists.llvm.org
Thu Mar 17 01:36:04 PDT 2022
Chenbing.Zheng updated this revision to Diff 416091.
Chenbing.Zheng retitled this revision from "[DAGCombine] fold (bswap(srl (bswap c), x)) -> (shl c, x)" to "[DAGCombine] fold (bswap(srl (bswap c), 8*x)) -> (shl c, 8*x)".
Chenbing.Zheng added a comment.
address comments
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D120648/new/
https://reviews.llvm.org/D120648
Files:
llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
llvm/test/CodeGen/RISCV/bswap-srli-bswap.ll
llvm/test/CodeGen/X86/combine-bswap.ll
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