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LoopExtractor.cpp (208954) LoopExtractor.cpp (212904)
1//===- LoopExtractor.cpp - Extract each loop into a new function ----------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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32STATISTIC(NumExtracted, "Number of loops extracted");
33
34namespace {
35 struct LoopExtractor : public LoopPass {
36 static char ID; // Pass identification, replacement for typeid
37 unsigned NumLoops;
38
39 explicit LoopExtractor(unsigned numLoops = ~0)
1//===- LoopExtractor.cpp - Extract each loop into a new function ----------===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//

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32STATISTIC(NumExtracted, "Number of loops extracted");
33
34namespace {
35 struct LoopExtractor : public LoopPass {
36 static char ID; // Pass identification, replacement for typeid
37 unsigned NumLoops;
38
39 explicit LoopExtractor(unsigned numLoops = ~0)
40 : LoopPass(&ID), NumLoops(numLoops) {}
40 : LoopPass(ID), NumLoops(numLoops) {}
41
42 virtual bool runOnLoop(Loop *L, LPPassManager &LPM);
43
44 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
45 AU.addRequiredID(BreakCriticalEdgesID);
46 AU.addRequiredID(LoopSimplifyID);
47 AU.addRequired<DominatorTree>();
48 }
49 };
50}
51
52char LoopExtractor::ID = 0;
41
42 virtual bool runOnLoop(Loop *L, LPPassManager &LPM);
43
44 virtual void getAnalysisUsage(AnalysisUsage &AU) const {
45 AU.addRequiredID(BreakCriticalEdgesID);
46 AU.addRequiredID(LoopSimplifyID);
47 AU.addRequired<DominatorTree>();
48 }
49 };
50}
51
52char LoopExtractor::ID = 0;
53static RegisterPass<LoopExtractor>
54X("loop-extract", "Extract loops into new functions");
53INITIALIZE_PASS(LoopExtractor, "loop-extract",
54 "Extract loops into new functions", false, false);
55
56namespace {
57 /// SingleLoopExtractor - For bugpoint.
58 struct SingleLoopExtractor : public LoopExtractor {
59 static char ID; // Pass identification, replacement for typeid
60 SingleLoopExtractor() : LoopExtractor(1) {}
61 };
62} // End anonymous namespace
63
64char SingleLoopExtractor::ID = 0;
55
56namespace {
57 /// SingleLoopExtractor - For bugpoint.
58 struct SingleLoopExtractor : public LoopExtractor {
59 static char ID; // Pass identification, replacement for typeid
60 SingleLoopExtractor() : LoopExtractor(1) {}
61 };
62} // End anonymous namespace
63
64char SingleLoopExtractor::ID = 0;
65static RegisterPass<SingleLoopExtractor>
66Y("loop-extract-single", "Extract at most one loop into a new function");
65INITIALIZE_PASS(SingleLoopExtractor, "loop-extract-single",
66 "Extract at most one loop into a new function", false, false);
67
68// createLoopExtractorPass - This pass extracts all natural loops from the
69// program into a function if it can.
70//
71Pass *llvm::createLoopExtractorPass() { return new LoopExtractor(); }
72
73bool LoopExtractor::runOnLoop(Loop *L, LPPassManager &LPM) {
74 // Only visit top-level loops.

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142 /// BlocksToNotExtract list.
143 class BlockExtractorPass : public ModulePass {
144 void LoadFile(const char *Filename);
145
146 std::vector<BasicBlock*> BlocksToNotExtract;
147 std::vector<std::pair<std::string, std::string> > BlocksToNotExtractByName;
148 public:
149 static char ID; // Pass identification, replacement for typeid
67
68// createLoopExtractorPass - This pass extracts all natural loops from the
69// program into a function if it can.
70//
71Pass *llvm::createLoopExtractorPass() { return new LoopExtractor(); }
72
73bool LoopExtractor::runOnLoop(Loop *L, LPPassManager &LPM) {
74 // Only visit top-level loops.

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142 /// BlocksToNotExtract list.
143 class BlockExtractorPass : public ModulePass {
144 void LoadFile(const char *Filename);
145
146 std::vector<BasicBlock*> BlocksToNotExtract;
147 std::vector<std::pair<std::string, std::string> > BlocksToNotExtractByName;
148 public:
149 static char ID; // Pass identification, replacement for typeid
150 explicit BlockExtractorPass(const std::vector<BasicBlock*> &B)
151 : ModulePass(&ID), BlocksToNotExtract(B) {
150 BlockExtractorPass() : ModulePass(ID) {
152 if (!BlockFile.empty())
153 LoadFile(BlockFile.c_str());
154 }
151 if (!BlockFile.empty())
152 LoadFile(BlockFile.c_str());
153 }
155 BlockExtractorPass() : ModulePass(&ID) {}
156
157 bool runOnModule(Module &M);
158 };
159}
160
161char BlockExtractorPass::ID = 0;
154
155 bool runOnModule(Module &M);
156 };
157}
158
159char BlockExtractorPass::ID = 0;
162static RegisterPass<BlockExtractorPass>
163XX("extract-blocks", "Extract Basic Blocks From Module (for bugpoint use)");
160INITIALIZE_PASS(BlockExtractorPass, "extract-blocks",
161 "Extract Basic Blocks From Module (for bugpoint use)",
162 false, false);
164
165// createBlockExtractorPass - This pass extracts all blocks (except those
166// specified in the argument list) from the functions in the module.
167//
163
164// createBlockExtractorPass - This pass extracts all blocks (except those
165// specified in the argument list) from the functions in the module.
166//
168ModulePass *llvm::createBlockExtractorPass(const std::vector<BasicBlock*> &BTNE)
167ModulePass *llvm::createBlockExtractorPass()
169{
168{
170 return new BlockExtractorPass(BTNE);
169 return new BlockExtractorPass();
171}
172
173void BlockExtractorPass::LoadFile(const char *Filename) {
174 // Load the BlockFile...
175 std::ifstream In(Filename);
176 if (!In.good()) {
177 errs() << "WARNING: BlockExtractor couldn't load file '" << Filename
178 << "'!\n";

--- 64 unchanged lines hidden --- 		170}
171
172void BlockExtractorPass::LoadFile(const char *Filename) {
173 // Load the BlockFile...
174 std::ifstream In(Filename);
175 if (!In.good()) {
176 errs() << "WARNING: BlockExtractor couldn't load file '" << Filename
177 << "'!\n";

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