From 7d4c87ef6eea424b7a28392ea11137ed77b44b57 Mon Sep 17 00:00:00 2001 From: Dan Gohman Date: Tue, 17 Jan 2012 20:51:32 +0000 Subject: Add a new PassManagerBuilder customization point, EP_ModuleOptimizerEarly, to allow passes to be added before the main ModulePass optimizers. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148329 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/PassManagerBuilder.cpp | 2 ++ 1 file changed, 2 insertions(+) (limited to 'lib/Transforms/IPO/PassManagerBuilder.cpp') diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp index f63f532..afd25dc 100644 --- a/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -110,6 +110,8 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) { addInitialAliasAnalysisPasses(MPM); if (!DisableUnitAtATime) { + addExtensionsToPM(EP_ModuleOptimizerEarly, MPM); + MPM.add(createGlobalOptimizerPass()); // Optimize out global vars MPM.add(createIPSCCPPass()); // IP SCCP -- cgit v1.1 From de5e5ec3045a73a06b1054417f9ac6c02929e9ce Mon Sep 17 00:00:00 2001 From: Hal Finkel Date: Wed, 1 Feb 2012 03:51:43 +0000 Subject: Add a basic-block autovectorization pass. This is the initial checkin of the basic-block autovectorization pass along with some supporting vectorization infrastructure. Special thanks to everyone who helped review this code over the last several months (especially Tobias Grosser). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149468 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Transforms/IPO/PassManagerBuilder.cpp | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'lib/Transforms/IPO/PassManagerBuilder.cpp') diff --git a/lib/Transforms/IPO/PassManagerBuilder.cpp b/lib/Transforms/IPO/PassManagerBuilder.cpp index afd25dc..8408437 100644 --- a/lib/Transforms/IPO/PassManagerBuilder.cpp +++ b/lib/Transforms/IPO/PassManagerBuilder.cpp @@ -21,14 +21,20 @@ #include "llvm/DefaultPasses.h" #include "llvm/PassManager.h" #include "llvm/Analysis/Passes.h" +#include "llvm/Analysis/Verifier.h" +#include "llvm/Support/CommandLine.h" #include "llvm/Target/TargetLibraryInfo.h" #include "llvm/Transforms/Scalar.h" +#include "llvm/Transforms/Vectorize.h" #include "llvm/Transforms/IPO.h" #include "llvm/ADT/SmallVector.h" #include "llvm/Support/ManagedStatic.h" using namespace llvm; +static cl::opt +RunVectorization("vectorize", cl::desc("Run vectorization passes")); + PassManagerBuilder::PassManagerBuilder() { OptLevel = 2; SizeLevel = 0; @@ -37,6 +43,7 @@ PassManagerBuilder::PassManagerBuilder() { DisableSimplifyLibCalls = false; DisableUnitAtATime = false; DisableUnrollLoops = false; + Vectorize = RunVectorization; } PassManagerBuilder::~PassManagerBuilder() { @@ -172,6 +179,13 @@ void PassManagerBuilder::populateModulePassManager(PassManagerBase &MPM) { addExtensionsToPM(EP_ScalarOptimizerLate, MPM); + if (Vectorize) { + MPM.add(createBBVectorizePass()); + MPM.add(createInstructionCombiningPass()); + if (OptLevel > 1) + MPM.add(createGVNPass()); // Remove redundancies + } + MPM.add(createAggressiveDCEPass()); // Delete dead instructions MPM.add(createCFGSimplificationPass()); // Merge & remove BBs MPM.add(createInstructionCombiningPass()); // Clean up after everything. -- cgit v1.1