diff options
author | Davide Italiano <davide@freebsd.org> | 2017-06-03 23:18:29 +0000 |
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committer | Davide Italiano <davide@freebsd.org> | 2017-06-03 23:18:29 +0000 |
commit | 653044e2ac52030fb912cc4510e0e83ab135573b (patch) | |
tree | 573b78c8191e0009cc14f695a135d7c4078f78ad /lib/Passes/PassBuilder.cpp | |
parent | 61a5551f882e6f373b91e5ebdf0b63ef28d90d24 (diff) |
[PM] Add GVNSink to the pipeline.
With this, the two pipelines should be in sync again (modulo
LoopUnswitch, but Chandler is actively working on that).
Differential Revision: https://reviews.llvm.org/D33810
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@304671 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Passes/PassBuilder.cpp')
-rw-r--r-- | lib/Passes/PassBuilder.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/Passes/PassBuilder.cpp b/lib/Passes/PassBuilder.cpp index 17c60348633..1f638e76830 100644 --- a/lib/Passes/PassBuilder.cpp +++ b/lib/Passes/PassBuilder.cpp @@ -164,6 +164,10 @@ static cl::opt<bool> EnableGVNHoist( "enable-npm-gvn-hoist", cl::init(false), cl::Hidden, cl::desc("Enable the GVN hoisting pass for the new PM (default = off)")); +static cl::opt<bool> EnableGVNSink( + "enable-npm-gvn-sink", cl::init(false), cl::Hidden, + cl::desc("Enable the GVN hoisting pass for the new PM (default = off)")); + static Regex DefaultAliasRegex( "^(default|thinlto-pre-link|thinlto|lto-pre-link|lto)<(O[0123sz])>$"); @@ -314,6 +318,12 @@ PassBuilder::buildFunctionSimplificationPipeline(OptimizationLevel Level, if (EnableGVNHoist) FPM.addPass(GVNHoistPass()); + // Global value numbering based sinking. + if (EnableGVNSink) { + FPM.addPass(GVNSinkPass()); + FPM.addPass(SimplifyCFGPass()); + } + // Speculative execution if the target has divergent branches; otherwise nop. FPM.addPass(SpeculativeExecutionPass()); |