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| Rev | Author | Line No. | Line |
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| 14 | pmbaty | 1 | //===- GraphPrinter.h - Create a DOT output describing the Scop. ----------===// |
| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // |
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| 9 | // Create a DOT output describing the Scop. |
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| 10 | // |
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| 11 | // For each function a dot file is created that shows the control flow graph of |
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| 12 | // the function and highlights the detected Scops. |
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| 13 | // |
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| 14 | //===----------------------------------------------------------------------===// |
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| 15 | |||
| 16 | #ifndef POLLY_SCOP_GRAPH_PRINTER_H |
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| 17 | #define POLLY_SCOP_GRAPH_PRINTER_H |
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| 18 | |||
| 19 | #include "polly/ScopDetection.h" |
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| 20 | #include "polly/Support/ScopLocation.h" |
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| 21 | #include "llvm/Analysis/DOTGraphTraitsPass.h" |
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| 22 | #include "llvm/Analysis/RegionInfo.h" |
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| 23 | #include "llvm/Analysis/RegionIterator.h" |
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| 24 | #include "llvm/Analysis/RegionPrinter.h" |
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| 25 | #include "llvm/IR/PassManager.h" |
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| 26 | |||
| 27 | namespace llvm { |
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| 28 | |||
| 29 | template <> |
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| 30 | struct GraphTraits<polly::ScopDetection *> : GraphTraits<RegionInfo *> { |
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| 31 | static NodeRef getEntryNode(polly::ScopDetection *SD) { |
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| 32 | return GraphTraits<RegionInfo *>::getEntryNode(SD->getRI()); |
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| 33 | } |
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| 34 | static nodes_iterator nodes_begin(polly::ScopDetection *SD) { |
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| 35 | return nodes_iterator::begin(getEntryNode(SD)); |
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| 36 | } |
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| 37 | static nodes_iterator nodes_end(polly::ScopDetection *SD) { |
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| 38 | return nodes_iterator::end(getEntryNode(SD)); |
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| 39 | } |
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| 40 | }; |
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| 41 | |||
| 42 | template <> |
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| 43 | struct DOTGraphTraits<polly::ScopDetection *> : DOTGraphTraits<RegionNode *> { |
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| 44 | DOTGraphTraits(bool isSimple = false) |
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| 45 | : DOTGraphTraits<RegionNode *>(isSimple) {} |
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| 46 | static std::string getGraphName(polly::ScopDetection *SD) { |
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| 47 | return "Scop Graph"; |
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| 48 | } |
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| 49 | |||
| 50 | std::string getEdgeAttributes(RegionNode *srcNode, |
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| 51 | GraphTraits<RegionInfo *>::ChildIteratorType CI, |
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| 52 | polly::ScopDetection *SD); |
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| 53 | |||
| 54 | std::string getNodeLabel(RegionNode *Node, polly::ScopDetection *SD) { |
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| 55 | return DOTGraphTraits<RegionNode *>::getNodeLabel( |
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| 56 | Node, reinterpret_cast<RegionNode *>(SD->getRI()->getTopLevelRegion())); |
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| 57 | } |
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| 58 | |||
| 59 | static std::string escapeString(llvm::StringRef String); |
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| 60 | |||
| 61 | /// Print the cluster of the subregions. This groups the single basic blocks |
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| 62 | /// and adds a different background color for each group. |
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| 63 | static void printRegionCluster(polly::ScopDetection *SD, const Region *R, |
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| 64 | raw_ostream &O, unsigned depth = 0); |
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| 65 | |||
| 66 | static void addCustomGraphFeatures(polly::ScopDetection *SD, |
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| 67 | GraphWriter<polly::ScopDetection *> &GW); |
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| 68 | }; |
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| 69 | } // end namespace llvm |
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| 70 | |||
| 71 | namespace polly { |
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| 72 | |||
| 73 | struct ScopViewer final : llvm::DOTGraphTraitsViewer<ScopAnalysis, false> { |
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| 74 | ScopViewer() : llvm::DOTGraphTraitsViewer<ScopAnalysis, false>("scops") {} |
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| 75 | |||
| 76 | bool processFunction(Function &F, const ScopDetection &SD) override; |
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| 77 | }; |
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| 78 | |||
| 79 | struct ScopOnlyViewer final : llvm::DOTGraphTraitsViewer<ScopAnalysis, false> { |
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| 80 | ScopOnlyViewer() |
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| 81 | : llvm::DOTGraphTraitsViewer<ScopAnalysis, false>("scops-only") {} |
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| 82 | }; |
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| 83 | |||
| 84 | struct ScopPrinter final : llvm::DOTGraphTraitsPrinter<ScopAnalysis, false> { |
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| 85 | ScopPrinter() : llvm::DOTGraphTraitsPrinter<ScopAnalysis, false>("scops") {} |
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| 86 | }; |
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| 87 | |||
| 88 | struct ScopOnlyPrinter final : llvm::DOTGraphTraitsPrinter<ScopAnalysis, true> { |
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| 89 | ScopOnlyPrinter() |
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| 90 | : llvm::DOTGraphTraitsPrinter<ScopAnalysis, true>("scopsonly") {} |
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| 91 | }; |
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| 92 | |||
| 93 | } // end namespace polly |
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| 94 | |||
| 95 | #endif /* POLLY_SCOP_GRAPH_PRINTER_H */ |