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//===- GraphPrinter.h - Create a DOT output describing the Scop. ----------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// Create a DOT output describing the Scop.
//
// For each function a dot file is created that shows the control flow graph of
// the function and highlights the detected Scops.
//
//===----------------------------------------------------------------------===//
#ifndef POLLY_SCOP_GRAPH_PRINTER_H
#define POLLY_SCOP_GRAPH_PRINTER_H
#include "polly/ScopDetection.h"
#include "polly/Support/ScopLocation.h"
#include "llvm/Analysis/DOTGraphTraitsPass.h"
#include "llvm/Analysis/RegionInfo.h"
#include "llvm/Analysis/RegionIterator.h"
#include "llvm/Analysis/RegionPrinter.h"
#include "llvm/IR/PassManager.h"
namespace llvm {
template <>
struct GraphTraits<polly::ScopDetection *> : GraphTraits<RegionInfo *> {
static NodeRef getEntryNode(polly::ScopDetection *SD) {
return GraphTraits<RegionInfo *>::getEntryNode(SD->getRI());
}
static nodes_iterator nodes_begin(polly::ScopDetection *SD) {
return nodes_iterator::begin(getEntryNode(SD));
}
static nodes_iterator nodes_end(polly::ScopDetection *SD) {
return nodes_iterator::end(getEntryNode(SD));
}
};
template <>
struct DOTGraphTraits<polly::ScopDetection *> : DOTGraphTraits<RegionNode *> {
DOTGraphTraits(bool isSimple = false)
: DOTGraphTraits<RegionNode *>(isSimple) {}
static std::string getGraphName(polly::ScopDetection *SD) {
return "Scop Graph";
}
std::string getEdgeAttributes(RegionNode *srcNode,
GraphTraits<RegionInfo *>::ChildIteratorType CI,
polly::ScopDetection *SD);
std::string getNodeLabel(RegionNode *Node, polly::ScopDetection *SD) {
return DOTGraphTraits<RegionNode *>::getNodeLabel(
Node, reinterpret_cast<RegionNode *>(SD->getRI()->getTopLevelRegion()));
}
static std::string escapeString(llvm::StringRef String);
/// Print the cluster of the subregions. This groups the single basic blocks
/// and adds a different background color for each group.
static void printRegionCluster(polly::ScopDetection *SD, const Region *R,
raw_ostream &O, unsigned depth = 0);
static void addCustomGraphFeatures(polly::ScopDetection *SD,
GraphWriter<polly::ScopDetection *> &GW);
};
} // end namespace llvm
namespace polly {
struct ScopViewer final : llvm::DOTGraphTraitsViewer<ScopAnalysis, false> {
ScopViewer() : llvm::DOTGraphTraitsViewer<ScopAnalysis, false>("scops") {}
bool processFunction(Function &F, const ScopDetection &SD) override;
};
struct ScopOnlyViewer final : llvm::DOTGraphTraitsViewer<ScopAnalysis, false> {
ScopOnlyViewer()
: llvm::DOTGraphTraitsViewer<ScopAnalysis, false>("scops-only") {}
};
struct ScopPrinter final : llvm::DOTGraphTraitsPrinter<ScopAnalysis, false> {
ScopPrinter() : llvm::DOTGraphTraitsPrinter<ScopAnalysis, false>("scops") {}
};
struct ScopOnlyPrinter final : llvm::DOTGraphTraitsPrinter<ScopAnalysis, true> {
ScopOnlyPrinter()
: llvm::DOTGraphTraitsPrinter<ScopAnalysis, true>("scopsonly") {}
};
} // end namespace polly
#endif /* POLLY_SCOP_GRAPH_PRINTER_H */
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