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[DAG] Add SimplifyDemandedBits support for BITREVERSE
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 11 May 2019 20:56:05 +0000 (20:56 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Sat, 11 May 2019 20:56:05 +0000 (20:56 +0000)
commit3f91d2062407a68bfa663ff66d83f99c6b6754be
tree4c50bc8c317578e35fa19e6995309154344dc0edtree | snapshot
parent2e0a475f380c6fc207f3739a836c3bd0dc504e54commit | diff
[DAG] Add SimplifyDemandedBits support for BITREVERSE

Pulled out of D58017 while I continue to investigate the BSWAP regression on PPC

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@360534 91177308-0d34-0410-b5e6-96231b3b80d8
lib/CodeGen/SelectionDAG/TargetLowering.cpp diff | blob | history
test/CodeGen/AMDGPU/bitreverse.ll diff | blob | history
test/CodeGen/X86/combine-bitreverse.ll diff | blob | history
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