forked from OSchip/llvm-project
100 lines
3.3 KiB
C++
100 lines
3.3 KiB
C++
//===---- Canonicalization.cpp - Run canonicalization passes --------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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// Run the set of default canonicalization passes.
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//
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// This pass is mainly used for debugging.
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//
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//===----------------------------------------------------------------------===//
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#include "polly/Canonicalization.h"
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#include "polly/LinkAllPasses.h"
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#include "polly/Options.h"
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#include "llvm/IR/LegacyPassManager.h"
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#include "llvm/Transforms/IPO.h"
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#include "llvm/Transforms/InstCombine/InstCombine.h"
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#include "llvm/Transforms/Scalar.h"
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#include "llvm/Transforms/Utils.h"
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using namespace llvm;
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using namespace polly;
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static cl::opt<bool>
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PollyInliner("polly-run-inliner",
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cl::desc("Run an early inliner pass before Polly"), cl::Hidden,
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cl::init(false), cl::ZeroOrMore, cl::cat(PollyCategory));
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void polly::registerCanonicalicationPasses(llvm::legacy::PassManagerBase &PM) {
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bool UseMemSSA = true;
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PM.add(polly::createRewriteByrefParamsPass());
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PM.add(llvm::createPromoteMemoryToRegisterPass());
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PM.add(llvm::createEarlyCSEPass(UseMemSSA));
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PM.add(llvm::createInstructionCombiningPass());
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PM.add(llvm::createCFGSimplificationPass());
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PM.add(llvm::createTailCallEliminationPass());
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PM.add(llvm::createCFGSimplificationPass());
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PM.add(llvm::createReassociatePass());
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PM.add(llvm::createLoopRotatePass());
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if (PollyInliner) {
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PM.add(llvm::createFunctionInliningPass(200));
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PM.add(llvm::createPromoteMemoryToRegisterPass());
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PM.add(llvm::createCFGSimplificationPass());
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PM.add(llvm::createInstructionCombiningPass());
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PM.add(createBarrierNoopPass());
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}
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PM.add(llvm::createInstructionCombiningPass());
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PM.add(llvm::createIndVarSimplifyPass());
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PM.add(polly::createCodePreparationPass());
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}
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namespace {
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class PollyCanonicalize : public ModulePass {
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PollyCanonicalize(const PollyCanonicalize &) = delete;
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const PollyCanonicalize &operator=(const PollyCanonicalize &) = delete;
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public:
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static char ID;
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explicit PollyCanonicalize() : ModulePass(ID) {}
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~PollyCanonicalize();
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/// @name FunctionPass interface.
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//@{
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void getAnalysisUsage(AnalysisUsage &AU) const override;
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void releaseMemory() override;
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bool runOnModule(Module &M) override;
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void print(raw_ostream &OS, const Module *) const override;
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//@}
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};
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} // namespace
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PollyCanonicalize::~PollyCanonicalize() {}
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void PollyCanonicalize::getAnalysisUsage(AnalysisUsage &AU) const {}
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void PollyCanonicalize::releaseMemory() {}
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bool PollyCanonicalize::runOnModule(Module &M) {
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legacy::PassManager PM;
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registerCanonicalicationPasses(PM);
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PM.run(M);
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return true;
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}
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void PollyCanonicalize::print(raw_ostream &OS, const Module *) const {}
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char PollyCanonicalize::ID = 0;
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Pass *polly::createPollyCanonicalizePass() { return new PollyCanonicalize(); }
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INITIALIZE_PASS_BEGIN(PollyCanonicalize, "polly-canonicalize",
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"Polly - Run canonicalization passes", false, false)
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INITIALIZE_PASS_END(PollyCanonicalize, "polly-canonicalize",
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"Polly - Run canonicalization passes", false, false)
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