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(parent: c41e096) | patch
[SLPVectorizer] Don't attempt horizontal reduction on pointer types (PR38191)
authorSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 17 Jul 2018 13:43:33 +0000 (13:43 +0000)
committerSimon Pilgrim <llvm-dev@redking.me.uk>
Tue, 17 Jul 2018 13:43:33 +0000 (13:43 +0000)
commit1a4f3c93fb083c9449b255afb5f178c5982b3582
treebc724390b6f3f0452098870ecca381909062f573tree | snapshot
parentc41e096bdab0fd5a1e08b8cac55a589d71d3339ccommit | diff
[SLPVectorizer] Don't attempt horizontal reduction on pointer types (PR38191)

TTI::getMinMaxReductionCost typically can't handle pointer types - until this is changed its better to limit horizontal reduction to integer/float vector types only.

llvm-svn: 337280
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp diff | blob | history
llvm/test/Transforms/SLPVectorizer/X86/horizontal-minmax.ll diff | blob | history
Domain: System / Toolchain;