projects / platform / upstream / llvm.git / commit
? search:
summary | shortlog | log | commit | commitdiff | tree
(parent: 27b651c) | patch
[SLP]Allow masked gathers only if allowed by target.
authorAlexey Bataev <a.bataev@outlook.com>
Mon, 3 May 2021 14:23:29 +0000 (07:23 -0700)
committerAlexey Bataev <a.bataev@outlook.com>
Mon, 3 May 2021 15:06:20 +0000 (08:06 -0700)
commitfd18547e0721983dcb273670d16341921f831e50
tree160666f94bfe724c9c823f9b28d37c0a06dee5ddtree | snapshot
parent27b651ca473ba33999888cc302efb5f856ec7ceacommit | diff
[SLP]Allow masked gathers only if allowed by target.

Need to check if target allows/supports masked gathers before trying to
estimate its cost, otherwise we may fail to vectorize some of the
patterns because of too pessimistic cost model.

Part of D57059.

Differential Revision: https://reviews.llvm.org/D101297
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp diff | blob | history
llvm/test/Transforms/SLPVectorizer/X86/pr47629-inseltpoison.ll diff | blob | history
llvm/test/Transforms/SLPVectorizer/X86/pr47629.ll diff | blob | history
llvm/test/Transforms/SLPVectorizer/X86/tiny-tree.ll diff | blob | history
Domain: System / Toolchain;