LLVM: lib/Analysis/RegionPrinter.cpp Source File (original) (raw)
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18#ifndef NDEBUG
20#endif
21
22using namespace llvm;
23
24
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28 cl::desc("Show only simple regions in the graphviz viewer"),
31
32std::string
35 if (->isSubRegion()) {
37
40 else
42 }
43
44 return "Not implemented";
45}
46
47template <>
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65
67 return "";
68
69
72
73 Region *R = G->getRegionFor(destBB);
74
75 while (R && R->getParent())
76 if (R->getParent()->getEntry() == destBB)
77 R = R->getParent();
78 else
79 break;
80
81 if (R && R->getEntry() == destBB && R->contains(srcBB))
82 return "constraint=false";
83
84 return "";
85 }
86
87
88
90 unsigned depth = 0) {
92 O.indent(2 * depth) << "subgraph cluster_" << static_cast<const void*>(&R)
93 << " {\n";
94 O.indent(2 * (depth + 1)) << "label = \"\";\n";
95
97 O.indent(2 * (depth + 1)) << "style = filled;\n";
98 O.indent(2 * (depth + 1)) << "color = "
99 << ((R.getDepth() * 2 % 12) + 1) << "\n";
100
101 } else {
102 O.indent(2 * (depth + 1)) << "style = solid;\n";
103 O.indent(2 * (depth + 1)) << "color = "
104 << ((R.getDepth() * 2 % 12) + 2) << "\n";
105 }
106
107 for (const auto &RI : R)
109
111
112 for (auto *BB : R.blocks())
114 O.indent(2 * (depth + 1)) << "Node"
115 << static_cast<const void*>(RI.getTopLevelRegion()->getBBNode(BB))
116 << ";\n";
117
118 O.indent(2 * depth) << "}\n";
119 }
120
124 O << "\tcolorscheme = \"paired12\"\n";
126 }
127};
128
129namespace {
130
131struct RegionInfoPassGraphTraits {
134 }
135};
136
137struct RegionPrinter
138 : public DOTGraphTraitsPrinterWrapperPass<
139 RegionInfoPass, false, RegionInfo *, RegionInfoPassGraphTraits> {
140 static char ID;
141 RegionPrinter()
142 : DOTGraphTraitsPrinterWrapperPass<RegionInfoPass, false, RegionInfo *,
143 RegionInfoPassGraphTraits>("reg", ID) {
144 }
145};
146char RegionPrinter::ID = 0;
147
148struct RegionOnlyPrinter
149 : public DOTGraphTraitsPrinterWrapperPass<
150 RegionInfoPass, true, RegionInfo *, RegionInfoPassGraphTraits> {
151 static char ID;
152 RegionOnlyPrinter()
153 : DOTGraphTraitsPrinterWrapperPass<RegionInfoPass, true, RegionInfo *,
154 RegionInfoPassGraphTraits>("reg", ID) {
155 }
156};
157char RegionOnlyPrinter::ID = 0;
158
159struct RegionViewer
160 : public DOTGraphTraitsViewerWrapperPass<
161 RegionInfoPass, false, RegionInfo *, RegionInfoPassGraphTraits> {
162 static char ID;
163 RegionViewer()
164 : DOTGraphTraitsViewerWrapperPass<RegionInfoPass, false, RegionInfo *,
165 RegionInfoPassGraphTraits>("reg", ID) {}
166};
167char RegionViewer::ID = 0;
168
169struct RegionOnlyViewer
170 : public DOTGraphTraitsViewerWrapperPass<RegionInfoPass, true, RegionInfo *,
171 RegionInfoPassGraphTraits> {
172 static char ID;
173 RegionOnlyViewer()
174 : DOTGraphTraitsViewerWrapperPass<RegionInfoPass, true, RegionInfo *,
175 RegionInfoPassGraphTraits>("regonly",
176 ID) {}
177};
178char RegionOnlyViewer::ID = 0;
179
180}
181
183 "Print regions of function to 'dot' file", true, true)
184
186 RegionOnlyPrinter, "dot-regions-only",
187 "Print regions of function to 'dot' file (with no function bodies)", true,
189
190INITIALIZE_PASS(RegionViewer, "view-regions", "View regions of function",
192
194 "View regions of function (with no function bodies)",
196
198
200 return new RegionOnlyPrinter();
201}
202
204 return new RegionViewer();
205}
206
208 return new RegionOnlyViewer();
209}
210
211#ifndef NDEBUG
213 assert(RI && "Argument must be non-null");
214
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219 Twine(GraphName) + " for '" + F->getName() + "' function");
220}
221
223 assert(F && "Argument must be non-null");
224 assert(->isDeclaration() && "Function must have an implementation");
225
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228 auto NonConstF = const_cast<Function *>(F);
229
231 FPM.add(ViewerPass);
233 FPM.run(*NonConstF);
235}
236
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242
244
248#endif
assert(UImm &&(UImm !=~static_cast< T >(0)) &&"Invalid immediate!")
Function Alias Analysis false
#define INITIALIZE_PASS(passName, arg, name, cfg, analysis)
static void viewRegionInfo(RegionInfo *RI, bool ShortNames)
Definition RegionPrinter.cpp:212
static cl::opt< bool > onlySimpleRegions("only-simple-regions", cl::desc("Show only simple regions in the graphviz viewer"), cl::Hidden, cl::init(false))
onlySimpleRegion - Show only the simple regions in the RegionViewer.
static void invokeFunctionPass(const Function *F, FunctionPass *ViewerPass)
Definition RegionPrinter.cpp:222
static bool isSimple(Instruction *I)
LLVM Basic Block Representation.
FunctionPass class - This class is used to implement most global optimizations.
raw_ostream & getOStream()
getOStream - Get the raw output stream into the graph file.
RegionT * getTopLevelRegion() const
RegionT * getRegionFor(BlockT *BB) const
Get the smallest region that contains a BasicBlock.
RegionInfo & getRegionInfo()
bool isSubRegion() const
Is this RegionNode a subregion?
BasicBlock * getNodeAs() const
Twine - A lightweight data structure for efficiently representing the concatenation of temporary valu...
FunctionPassManager manages FunctionPasses.
bool run(Function &F)
run - Execute all of the passes scheduled for execution.
void add(Pass *P) override
Add a pass to the queue of passes to run.
bool doInitialization()
doInitialization - Run all of the initializers for the function passes.
bool doFinalization()
doFinalization - Run all of the finalizers for the function passes.
This class implements an extremely fast bulk output stream that can only output to a stream.
unsigned ID
LLVM IR allows to use arbitrary numbers as calling convention identifiers.
initializer< Ty > init(const Ty &Val)
This is an optimization pass for GlobalISel generic memory operations.
LLVM_ABI FunctionPass * createRegionOnlyViewerPass()
Definition RegionPrinter.cpp:207
LLVM_ABI FunctionPass * createRegionPrinterPass()
Definition RegionPrinter.cpp:197
LLVM_ABI FunctionPass * createRegionOnlyPrinterPass()
Definition RegionPrinter.cpp:199
void ViewGraph(const GraphType &G, const Twine &Name, bool ShortNames=false, const Twine &Title="", GraphProgram::Name Program=GraphProgram::DOT)
ViewGraph - Emit a dot graph, run 'dot', run gv on the postscript file, then cleanup.
LLVM_ABI FunctionPass * createRegionViewerPass()
Definition RegionPrinter.cpp:203
void viewRegion(llvm::RegionInfo *RI)
Open a viewer to display the GraphViz vizualization of the analysis result.
Definition RegionPrinter.cpp:237
void viewRegionOnly(llvm::RegionInfo *RI)
Open a viewer to display the GraphViz vizualization of the analysis result.
Definition RegionPrinter.cpp:243
static void addCustomGraphFeatures(const RegionInfo *G, GraphWriter< RegionInfo * > &GW)
Definition RegionPrinter.cpp:121
std::string getNodeLabel(RegionNode *Node, RegionInfo *G)
Definition RegionPrinter.cpp:56
DOTGraphTraits(bool isSimple=false)
Definition RegionPrinter.cpp:51
std::string getEdgeAttributes(RegionNode *srcNode, GraphTraits< RegionInfo * >::ChildIteratorType CI, RegionInfo *G)
Definition RegionPrinter.cpp:61
static void printRegionCluster(const Region &R, GraphWriter< RegionInfo * > &GW, unsigned depth=0)
Definition RegionPrinter.cpp:89
static std::string getGraphName(const RegionInfo *)
Definition RegionPrinter.cpp:54
DOTGraphTraits(bool isSimple=false)
DOTGraphTraits - Template class that can be specialized to customize how graphs are converted to 'dot...
std::string getNodeLabel(const void *, const GraphType &)
getNodeLabel - Given a node and a pointer to the top level graph, return the label to print in the no...