forked from OSchip/llvm-project
100 lines
3.2 KiB
C++
100 lines
3.2 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/Canonicalization.h"
|
|
#include "polly/LinkAllPasses.h"
|
|
#include "polly/Options.h"
|
|
#include "llvm/Transforms/IPO.h"
|
|
#include "llvm/Transforms/InstCombine/InstCombine.h"
|
|
#include "llvm/Transforms/Scalar.h"
|
|
#include "llvm/Transforms/Utils.h"
|
|
|
|
using namespace llvm;
|
|
using namespace polly;
|
|
|
|
static cl::opt<bool>
|
|
PollyInliner("polly-run-inliner",
|
|
cl::desc("Run an early inliner pass before Polly"), cl::Hidden,
|
|
cl::init(false), cl::ZeroOrMore, cl::cat(PollyCategory));
|
|
|
|
void polly::registerCanonicalicationPasses(llvm::legacy::PassManagerBase &PM) {
|
|
bool UseMemSSA = true;
|
|
PM.add(polly::createRewriteByrefParamsPass());
|
|
PM.add(llvm::createPromoteMemoryToRegisterPass());
|
|
PM.add(llvm::createEarlyCSEPass(UseMemSSA));
|
|
PM.add(llvm::createInstructionCombiningPass());
|
|
PM.add(llvm::createCFGSimplificationPass());
|
|
PM.add(llvm::createTailCallEliminationPass());
|
|
PM.add(llvm::createCFGSimplificationPass());
|
|
PM.add(llvm::createReassociatePass());
|
|
PM.add(llvm::createLoopRotatePass());
|
|
if (PollyInliner) {
|
|
PM.add(llvm::createFunctionInliningPass(200));
|
|
PM.add(llvm::createPromoteMemoryToRegisterPass());
|
|
PM.add(llvm::createCFGSimplificationPass());
|
|
PM.add(llvm::createInstructionCombiningPass());
|
|
PM.add(createBarrierNoopPass());
|
|
}
|
|
PM.add(llvm::createInstructionCombiningPass());
|
|
PM.add(llvm::createIndVarSimplifyPass());
|
|
PM.add(polly::createCodePreparationPass());
|
|
}
|
|
|
|
namespace {
|
|
class PollyCanonicalize : public ModulePass {
|
|
PollyCanonicalize(const PollyCanonicalize &) = delete;
|
|
const PollyCanonicalize &operator=(const PollyCanonicalize &) = delete;
|
|
|
|
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;
|
|
//@}
|
|
};
|
|
} // namespace
|
|
|
|
PollyCanonicalize::~PollyCanonicalize() {}
|
|
|
|
void PollyCanonicalize::getAnalysisUsage(AnalysisUsage &AU) const {}
|
|
|
|
void PollyCanonicalize::releaseMemory() {}
|
|
|
|
bool PollyCanonicalize::runOnModule(Module &M) {
|
|
legacy::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)
|