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//===--- LoopInfoPrinter.cpp - Print SIL Loop Info ------------------------===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2017 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "swift/SILOptimizer/Analysis/LoopAnalysis.h"
#include "swift/SILOptimizer/PassManager/Passes.h"
#include "swift/SILOptimizer/PassManager/Transforms.h"
#include "swift/SIL/SILModule.h"
#include "swift/SIL/SILVisitor.h"
#include "llvm/ADT/Statistic.h"
using namespace swift;
namespace {
class LoopInfoPrinter : public SILModuleTransform {
/// The entry point to the transformation.
void run() override {
SILLoopAnalysis *LA = PM->getAnalysis<SILLoopAnalysis>();
assert(LA && "Invalid LoopAnalysis");
for (auto &Fn : *getModule()) {
if (Fn.isExternalDeclaration()) continue;
SILLoopInfo *LI = LA->get(&Fn);
assert(LI && "Invalid loop info for function");
if (LI->empty()) {
llvm::errs() << "No loops in " << Fn.getName() << "\n";
return;
}
llvm::errs() << "Loops in " << Fn.getName() << "\n";
for (auto *LoopIt : *LI) {
LoopIt->dump();
}
}
}
};
} // end anonymous namespace
SILTransform *swift::createLoopInfoPrinter() {
return new LoopInfoPrinter();
}
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