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| author | Bill Wendling <isanbard@gmail.com> | 2013-12-07 09:31:26 +0000 |
|---|---|---|
| committer | Bill Wendling <isanbard@gmail.com> | 2013-12-07 09:31:26 +0000 |
| commit | b84d18f57604b86ce2cae5a2447a5f879153bc0f (patch) | |
| tree | a3ea42a8a4c70cb564bd9471cea87b88e16ccd38 /tools | |
| parent | 7b7037563b12589e675c655e5d1e4f737f50fa9d (diff) | |
| download | external_llvm-b84d18f57604b86ce2cae5a2447a5f879153bc0f.zip external_llvm-b84d18f57604b86ce2cae5a2447a5f879153bc0f.tar.gz external_llvm-b84d18f57604b86ce2cae5a2447a5f879153bc0f.tar.bz2 | |
Merging r196294:
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r196294 | arnolds | 2013-12-03 08:33:06 -0800 (Tue, 03 Dec 2013) | 7 lines
opt: Mirror vectorization presets of clang
clang enables vectorization at optimization levels > 1 and size level < 2. opt
should behave similarily.
Loop vectorization and SLP vectorization can be disabled with the flags
-disable-(loop/slp)-vectorization.
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196649 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/opt/opt.cpp | 16 |
1 files changed, 14 insertions, 2 deletions
diff --git a/tools/opt/opt.cpp b/tools/opt/opt.cpp index 8a8da01..dba16f7 100644 --- a/tools/opt/opt.cpp +++ b/tools/opt/opt.cpp @@ -139,6 +139,16 @@ static cl::opt<bool> DisableLoopUnrolling("disable-loop-unrolling", cl::desc("Disable loop unrolling in all relevant passes"), cl::init(false)); +static cl::opt<bool> +DisableLoopVectorization("disable-loop-vectorization", + cl::desc("Disable the loop vectorization pass"), + cl::init(false)); + +static cl::opt<bool> +DisableSLPVectorization("disable-slp-vectorization", + cl::desc("Disable the slp vectorization pass"), + cl::init(false)); + static cl::opt<bool> DisableSimplifyLibCalls("disable-simplify-libcalls", @@ -461,8 +471,10 @@ static void AddOptimizationPasses(PassManagerBase &MPM,FunctionPassManager &FPM, Builder.DisableUnrollLoops = (DisableLoopUnrolling.getNumOccurrences() > 0) ? DisableLoopUnrolling : OptLevel == 0; - Builder.LoopVectorize = OptLevel > 1 && SizeLevel < 2; - Builder.SLPVectorize = true; + Builder.LoopVectorize = + DisableLoopVectorization ? false : OptLevel > 1 && SizeLevel < 2; + Builder.SLPVectorize = + DisableSLPVectorization ? false : OptLevel > 1 && SizeLevel < 2; Builder.populateFunctionPassManager(FPM); Builder.populateModulePassManager(MPM); |