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authorNadav Rotem <nrotem@apple.com>2013-09-03 21:33:17 +0000
committerNadav Rotem <nrotem@apple.com>2013-09-03 21:33:17 +0000
commit5d78dba6d9602bcf5b6fdc11de00477b125b45a7 (patch)
tree339564aca9618602fc4427cfe764dfd3971d280c /clang/lib/CodeGen/CodeGenModule.cpp
parente7d67f2e01c4a49b1f7821946b4b103a51bcc895 (diff)
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Enable late-vectorization by default.
This patch changes the default setting for the LateVectorization flag that controls where the loop-vectorizer is ran. Perf gains: SingleSource/Benchmarks/Shootout/matrix -37.33% MultiSource/Benchmarks/PAQ8p/paq8p -22.83% SingleSource/Benchmarks/Linpack/linpack-pc -16.22% SingleSource/Benchmarks/Shootout-C++/ary3 -15.16% MultiSource/Benchmarks/TSVC/NodeSplitting-flt/NodeSplitting-flt -10.34% MultiSource/Benchmarks/TSVC/NodeSplitting-dbl/NodeSplitting-dbl -7.12% Regressions: SingleSource/Benchmarks/Misc/lowercase 15.10% MultiSource/Benchmarks/TSVC/Equivalencing-flt/Equivalencing-flt 13.18% SingleSource/Benchmarks/Shootout-C++/matrix 8.27% SingleSource/Benchmarks/CoyoteBench/lpbench 7.30% llvm-svn: 189858
Diffstat (limited to 'clang/lib/CodeGen/CodeGenModule.cpp')
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