commit	93f8cc186ace5965a826dd2a11a359f661ba75a3	[log] [tgz]
author	Sanjoy Das <sanjoy@playingwithpointers.com>	Mon Mar 11 21:36:41 2019 +0000
committer	Sanjoy Das <sanjoy@playingwithpointers.com>	Mon Mar 11 21:36:41 2019 +0000
tree	e27c171096642183d3e121b6a1a16b44cf11afea
parent	b6d322bdc25e67d538c1d14d3ead9724837f057c [diff]

Relax constraints for reduction vectorization

Summary:
Gating vectorizing reductions on *all* fastmath flags seems unnecessary;
`reassoc` should be sufficient.

Reviewers: tvvikram, mkuper, kristof.beyls, sdesmalen, Ayal

Reviewed By: sdesmalen

Subscribers: dcaballe, huntergr, jmolloy, mcrosier, jlebar, bixia, llvm-commits

Tags: #llvm

Differential Revision: https://reviews.llvm.org/D57728

llvm-svn: 355868

llvm/include/llvm/Analysis/IVDescriptors.h[diff]
llvm/include/llvm/IR/Operator.h[diff]
llvm/include/llvm/Transforms/Utils/LoopUtils.h[diff]
llvm/lib/Analysis/IVDescriptors.cpp[diff]
llvm/lib/CodeGen/ExpandReductions.cpp[diff]
llvm/lib/Transforms/Utils/LoopUtils.cpp[diff]
llvm/lib/Transforms/Vectorize/LoopVectorize.cpp[diff]
llvm/lib/Transforms/Vectorize/SLPVectorizer.cpp[diff]
llvm/test/Transforms/LoopVectorize/reduction-fastmath.ll[Added - diff]

9 files changed

tree: e27c171096642183d3e121b6a1a16b44cf11afea

clang/
clang-tools-extra/
compiler-rt/
debuginfo-tests/
libclc/
libcxx/
libcxxabi/
libunwind/
lld/
lldb/
llgo/
llvm/
openmp/
parallel-libs/
polly/
pstl/
.arcconfig
.clang-format
.clang-tidy
README.md

README.md

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