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comparison tools/bugpoint/ExtractFunction.cpp @ 147:c2174574ed3a

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LLVM 10
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Wed, 14 Aug 2019 16:55:33 +0900
parents 3a76565eade5
children
comparison
equal deleted inserted replaced
134:3a76565eade5 147:c2174574ed3a
1 //===- ExtractFunction.cpp - Extract a function from Program --------------===// 1 //===- ExtractFunction.cpp - Extract a function from Program --------------===//
2 // 2 //
3 // The LLVM Compiler Infrastructure 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // 4 // See https://llvm.org/LICENSE.txt for license information.
5 // This file is distributed under the University of Illinois Open Source 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 // License. See LICENSE.TXT for details.
7 // 6 //
8 //===----------------------------------------------------------------------===// 7 //===----------------------------------------------------------------------===//
9 // 8 //
10 // This file implements several methods that are used to extract functions, 9 // This file implements several methods that are used to extract functions,
11 // loops, or portions of a module from the rest of the module. 10 // loops, or portions of a module from the rest of the module.
125 } 124 }
126 return New; 125 return New;
127 } 126 }
128 127
129 std::unique_ptr<Module> 128 std::unique_ptr<Module>
130 BugDriver::performFinalCleanups(Module *M, bool MayModifySemantics) { 129 BugDriver::performFinalCleanups(std::unique_ptr<Module> M,
130 bool MayModifySemantics) {
131 // Make all functions external, so GlobalDCE doesn't delete them... 131 // Make all functions external, so GlobalDCE doesn't delete them...
132 for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I) 132 for (Module::iterator I = M->begin(), E = M->end(); I != E; ++I)
133 I->setLinkage(GlobalValue::ExternalLinkage); 133 I->setLinkage(GlobalValue::ExternalLinkage);
134 134
135 std::vector<std::string> CleanupPasses; 135 std::vector<std::string> CleanupPasses;
138 if (MayModifySemantics) 138 if (MayModifySemantics)
139 CleanupPasses.push_back("deadarghaX0r"); 139 CleanupPasses.push_back("deadarghaX0r");
140 else 140 else
141 CleanupPasses.push_back("deadargelim"); 141 CleanupPasses.push_back("deadargelim");
142 142
143 std::unique_ptr<Module> New = runPassesOn(M, CleanupPasses); 143 std::unique_ptr<Module> New = runPassesOn(M.get(), CleanupPasses);
144 if (!New) { 144 if (!New) {
145 errs() << "Final cleanups failed. Sorry. :( Please report a bug!\n"; 145 errs() << "Final cleanups failed. Sorry. :( Please report a bug!\n";
146 return nullptr; 146 return nullptr;
147 } 147 }
148 delete M;
149 return New; 148 return New;
150 } 149 }
151 150
152 std::unique_ptr<Module> BugDriver::extractLoop(Module *M) { 151 std::unique_ptr<Module> BugDriver::extractLoop(Module *M) {
153 std::vector<std::string> LoopExtractPasses; 152 std::vector<std::string> LoopExtractPasses;
322 321
323 // Remove the Test functions from the Safe module 322 // Remove the Test functions from the Safe module
324 std::set<Function *> TestFunctions; 323 std::set<Function *> TestFunctions;
325 for (unsigned i = 0, e = F.size(); i != e; ++i) { 324 for (unsigned i = 0, e = F.size(); i != e; ++i) {
326 Function *TNOF = cast<Function>(VMap[F[i]]); 325 Function *TNOF = cast<Function>(VMap[F[i]]);
327 DEBUG(errs() << "Removing function "); 326 LLVM_DEBUG(errs() << "Removing function ");
328 DEBUG(TNOF->printAsOperand(errs(), false)); 327 LLVM_DEBUG(TNOF->printAsOperand(errs(), false));
329 DEBUG(errs() << "\n"); 328 LLVM_DEBUG(errs() << "\n");
330 TestFunctions.insert(cast<Function>(NewVMap[TNOF])); 329 TestFunctions.insert(cast<Function>(NewVMap[TNOF]));
331 DeleteFunctionBody(TNOF); // Function is now external in this module! 330 DeleteFunctionBody(TNOF); // Function is now external in this module!
332 } 331 }
333 332
334 // Remove the Safe functions from the Test module 333 // Remove the Safe functions from the Test module