llvm-project/polly/lib/Transform/Canonicalization.cpp

87 lines
2.6 KiB
C++

//===---- Canonicalization.cpp - Run canonicalization passes ======-------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Run the set of default canonicalization passes.
//
// This pass is mainly used for debugging.
//
//===----------------------------------------------------------------------===//
#include "polly/LinkAllPasses.h"
#include "polly/Canonicalization.h"
#include "llvm/Transforms/Scalar.h"
using namespace llvm;
using namespace polly;
void polly::registerCanonicalicationPasses(llvm::PassManagerBase &PM,
bool SCEVCodegen) {
PM.add(llvm::createPromoteMemoryToRegisterPass());
PM.add(llvm::createPromoteMemoryToRegisterPass());
PM.add(llvm::createInstructionCombiningPass());
PM.add(llvm::createCFGSimplificationPass());
PM.add(llvm::createTailCallEliminationPass());
PM.add(llvm::createCFGSimplificationPass());
PM.add(llvm::createReassociatePass());
PM.add(llvm::createLoopRotatePass());
PM.add(llvm::createInstructionCombiningPass());
if (!SCEVCodegen)
PM.add(polly::createIndVarSimplifyPass());
PM.add(polly::createCodePreparationPass());
}
namespace {
class PollyCanonicalize : public ModulePass {
PollyCanonicalize(const PollyCanonicalize &) LLVM_DELETED_FUNCTION;
const PollyCanonicalize &
operator=(const PollyCanonicalize &) LLVM_DELETED_FUNCTION;
public:
static char ID;
explicit PollyCanonicalize() : ModulePass(ID) {}
~PollyCanonicalize();
/// @name FunctionPass interface.
//@{
virtual void getAnalysisUsage(AnalysisUsage &AU) const;
virtual void releaseMemory();
virtual bool runOnModule(Module &M);
virtual void print(raw_ostream &OS, const Module *) const;
//@}
};
}
PollyCanonicalize::~PollyCanonicalize() {}
void PollyCanonicalize::getAnalysisUsage(AnalysisUsage &AU) const {}
void PollyCanonicalize::releaseMemory() {}
bool PollyCanonicalize::runOnModule(Module &M) {
PassManager PM;
registerCanonicalicationPasses(PM);
PM.run(M);
return true;
}
void PollyCanonicalize::print(raw_ostream &OS, const Module *) const {}
char PollyCanonicalize::ID = 0;
Pass *polly::createPollyCanonicalizePass() { return new PollyCanonicalize(); }
INITIALIZE_PASS_BEGIN(PollyCanonicalize, "polly-canonicalize",
"Polly - Run canonicalization passes", false, false)
INITIALIZE_PASS_END(PollyCanonicalize, "polly-canonicalize",
"Polly - Run canonicalization passes", false, false)