PassManager.cpp revision 14d6581a7374bdb4a66ef6c30250efdc324f6dde
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 1555fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/PassManager.h" 1655fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 1755fd43f90913676682487f89f27c756adb827f66Devang Patel 1855fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 1955fd43f90913676682487f89f27c756adb827f66Devang Patel 20c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 21c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 22c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 23c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 24c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 2537a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelclass BasicBlockPassManager_New : public CommonPassManagerImpl { 26c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 27c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 28c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New() { } 29c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 30c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 31c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 32c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 33c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 34c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 35c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 36c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 37c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 38c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Collection of pass that are managed by this manager 39c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel std::vector<Pass *> PassVector; 40c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 41c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 42c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 43c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 44c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 45c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 4637a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelclass FunctionPassManagerImpl_New : public CommonPassManagerImpl { 47c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 48c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P) { /* TODO */ } 49c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New() { 50c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 51c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 52c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 53c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 54c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 55c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 56c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 57c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 58c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 59c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel void add(Pass *P) { /* TODO*/ } 60c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 61c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 62c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 63c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 64c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 65c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 66c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 67c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 68c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Collection of pass that are manged by this manager 71c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel std::vector<Pass *> PassVector; 72c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 73c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 74c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 75c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 76c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 77c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 78c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 79c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 8037a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelclass ModulePassManager_New : public CommonPassManagerImpl { 81c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 82c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 83c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel ModulePassManager_New() { activeFunctionPassManager = NULL; } 84c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 85c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 86c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 87c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 88c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 89c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 90c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 91c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 92c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 93c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Collection of pass that are managed by this manager 94c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel std::vector<Pass *> PassVector; 95c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 96c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 97c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 98c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 99c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 10137a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelclass PassManagerImpl_New : public CommonPassManagerImpl { 1025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 1045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 1095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel void add(Pass *P); 1105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 1135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 1145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 1165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// Add a pass into a passmanager queue. This is used by schedulePasses 1185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 1195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// Schedule all passes collected in pass queue using add(). Add all the 1215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// schedule passes into various manager's queue using addPass(). 1225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel void schedulePasses(); 1235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 1255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 1265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass that are not yet scheduled 1285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<Pass *> PassVector; 1295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 1315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 1325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 1335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 134c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 135c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 13637a84c7d8bda439082b883e33be6ab88b4cce236Devang Patel// CommonPassManagerImpl implementation 137889739c4d188d28c167644bced9df0f3131317d7Devang Patel 1382c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 139889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 14037a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelbool CommonPassManagerImpl::manageablePass(Pass *P) { 141889739c4d188d28c167644bced9df0f3131317d7Devang Patel 142889739c4d188d28c167644bced9df0f3131317d7Devang Patel AnalysisUsage AnUsage; 143889739c4d188d28c167644bced9df0f3131317d7Devang Patel P->getAnalysisUsage(AnUsage); 144889739c4d188d28c167644bced9df0f3131317d7Devang Patel 145a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // If this pass is not preserving information that is required by the other 146a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // passes managed by this manager then use new manager 147a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!AnUsage.getPreservesAll()) { 148a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 149a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel for (std::vector<AnalysisID>::iterator I = RequiredAnalysis.begin(), 150a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel E = RequiredAnalysis.end(); I != E; ++I) { 151a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), *I) == 152a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel PreservedSet.end()) 153a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // This analysis is not preserved. Need new manager. 154a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel return false; 155a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel } 156a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel } 157889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 158889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 159889739c4d188d28c167644bced9df0f3131317d7Devang Patel 1602c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF AnalysisID AID is currently available. 16137a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelbool CommonPassManagerImpl::analysisCurrentlyAvailable(AnalysisID AID) { 162889739c4d188d28c167644bced9df0f3131317d7Devang Patel 163889739c4d188d28c167644bced9df0f3131317d7Devang Patel // TODO 164889739c4d188d28c167644bced9df0f3131317d7Devang Patel return false; 165889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 166889739c4d188d28c167644bced9df0f3131317d7Devang Patel 167b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augment RequiredAnalysis by adding analysis required by pass P. 16837a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelvoid CommonPassManagerImpl::noteDownRequiredAnalysis(Pass *P) { 169a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel AnalysisUsage AnUsage; 170a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel P->getAnalysisUsage(AnUsage); 171a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 172889739c4d188d28c167644bced9df0f3131317d7Devang Patel 173a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // FIXME: What about duplicates ? 17414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel RequiredAnalysis.insert(RequiredAnalysis.end(), RequiredSet.begin(), 17514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel RequiredSet.end()); 176889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 177889739c4d188d28c167644bced9df0f3131317d7Devang Patel 178b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 179b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patelvoid CommonPassManagerImpl::noteDownAvailableAnalysis(Pass *P) { 180b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 181b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 182b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel AvailableAnalysis.insert(PI); 183b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 184b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO This pass is the current implementation of all of the interfaces it 185b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO implements as well. 186b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO 187b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 188b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO for (unsigned i = 0, e = II.size(); i != e; ++i) 189b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO CurrentAnalyses[II[i]] = P; 190b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 191b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 192b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 193889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove AnalysisID from the RequiredSet 19437a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelvoid CommonPassManagerImpl::removeAnalysis(AnalysisID AID) { 195889739c4d188d28c167644bced9df0f3131317d7Devang Patel 196889739c4d188d28c167644bced9df0f3131317d7Devang Patel // TODO 197889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 198889739c4d188d28c167644bced9df0f3131317d7Devang Patel 199889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 20037a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelvoid CommonPassManagerImpl::removeNotPreservedAnalysis(Pass *P) { 20114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 20214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 20314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 20414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 20514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel for (std::set<AnalysisID>::iterator I = AvailableAnalysis.begin(), 20614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 20714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisID AID = *I; 20814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), *I) == 20914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 21014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 21114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel std::set<AnalysisID>::iterator J = I++; 21214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 21314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 21414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 215889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 216889739c4d188d28c167644bced9df0f3131317d7Devang Patel 21755fd43f90913676682487f89f27c756adb827f66Devang Patel/// BasicBlockPassManager implementation 21855fd43f90913676682487f89f27c756adb827f66Devang Patel 2192c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 2202c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 22155fd43f90913676682487f89f27c756adb827f66Devang Patelbool 2222c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 22355fd43f90913676682487f89f27c756adb827f66Devang Patel 22455fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 22555fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 22655fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 22755fd43f90913676682487f89f27c756adb827f66Devang Patel 22853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 22953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 2302c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 23153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 23253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 233b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel // Take a note of analysis required and made available by this pass 23453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel noteDownRequiredAnalysis(P); 235b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel noteDownAvailableAnalysis(P); 23655fd43f90913676682487f89f27c756adb827f66Devang Patel 23755fd43f90913676682487f89f27c756adb827f66Devang Patel // Add pass 23855fd43f90913676682487f89f27c756adb827f66Devang Patel PassVector.push_back(BP); 23914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 24014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove the analysis not preserved by this pass 24114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel removeNotPreservedAnalysis(P); 24214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 24355fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 24455fd43f90913676682487f89f27c756adb827f66Devang Patel} 24555fd43f90913676682487f89f27c756adb827f66Devang Patel 24655fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 24755fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 24855fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 24955fd43f90913676682487f89f27c756adb827f66Devang Patelbool 25055fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 25155fd43f90913676682487f89f27c756adb827f66Devang Patel 25255fd43f90913676682487f89f27c756adb827f66Devang Patel bool Changed = false; 25355fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 25455fd43f90913676682487f89f27c756adb827f66Devang Patel for (std::vector<Pass *>::iterator itr = PassVector.begin(), 25555fd43f90913676682487f89f27c756adb827f66Devang Patel e = PassVector.end(); itr != e; ++itr) { 25655fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 25755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 25855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 25955fd43f90913676682487f89f27c756adb827f66Devang Patel } 26055fd43f90913676682487f89f27c756adb827f66Devang Patel return Changed; 26155fd43f90913676682487f89f27c756adb827f66Devang Patel} 26255fd43f90913676682487f89f27c756adb827f66Devang Patel 263448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 264c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 265c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 266c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM = new FunctionPassManagerImpl_New(); 267c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 268c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 269c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 270c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 271c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 272c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 273c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 274c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patelvoid 275c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::add(Pass *P) { 276c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 277c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 278c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 279c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 280c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 281c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 282c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patelbool 283c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::runOnModule(Module &M) { 284c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 285c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 286c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 287c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 288448d27cd795dc273249f123444509403f4fa4facDevang Patel 289448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager 290448d27cd795dc273249f123444509403f4fa4facDevang Patel 291448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 292448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 293448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 294448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 295c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 296448d27cd795dc273249f123444509403f4fa4facDevang Patel 297448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 298448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 299448d27cd795dc273249f123444509403f4fa4facDevang Patel 300448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!activeBBPassManager 301448d27cd795dc273249f123444509403f4fa4facDevang Patel || !activeBBPassManager->addPass(BP)) { 302448d27cd795dc273249f123444509403f4fa4facDevang Patel 303448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = new BasicBlockPassManager_New(); 304448d27cd795dc273249f123444509403f4fa4facDevang Patel 305448d27cd795dc273249f123444509403f4fa4facDevang Patel PassVector.push_back(activeBBPassManager); 3062c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 3072c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 308448d27cd795dc273249f123444509403f4fa4facDevang Patel } 309448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 310448d27cd795dc273249f123444509403f4fa4facDevang Patel } 311448d27cd795dc273249f123444509403f4fa4facDevang Patel 312448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 313448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 314448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 315448d27cd795dc273249f123444509403f4fa4facDevang Patel 31653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 31753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 3182c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 31953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 32053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 321b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel // Take a note of analysis required and made available by this pass 32253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel noteDownRequiredAnalysis(P); 323b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel noteDownAvailableAnalysis(P); 324448d27cd795dc273249f123444509403f4fa4facDevang Patel 325448d27cd795dc273249f123444509403f4fa4facDevang Patel PassVector.push_back(FP); 32614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 32714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove the analysis not preserved by this pass 32814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel removeNotPreservedAnalysis(P); 32914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 330448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = NULL; 331448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 332448d27cd795dc273249f123444509403f4fa4facDevang Patel} 333448d27cd795dc273249f123444509403f4fa4facDevang Patel 334448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 335448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 336448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 337448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 338c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::runOnModule(Module &M) { 339448d27cd795dc273249f123444509403f4fa4facDevang Patel 340448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 341448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 342448d27cd795dc273249f123444509403f4fa4facDevang Patel for (std::vector<Pass *>::iterator itr = PassVector.begin(), 343448d27cd795dc273249f123444509403f4fa4facDevang Patel e = PassVector.end(); itr != e; ++itr) { 344448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 345448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 346448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 347448d27cd795dc273249f123444509403f4fa4facDevang Patel } 348448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 349448d27cd795dc273249f123444509403f4fa4facDevang Patel} 350448d27cd795dc273249f123444509403f4fa4facDevang Patel 351448d27cd795dc273249f123444509403f4fa4facDevang Patel 35292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 35392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 35492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 355c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 35692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 35792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 3582c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 35992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 36092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 36192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 36292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 36392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 36492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 36592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 36692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 36792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 368c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel activeFunctionPassManager = new FunctionPassManagerImpl_New(); 36992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 37092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel PassVector.push_back(activeFunctionPassManager); 3712c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 3722c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 37392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 37492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 37592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 37692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 37792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 37892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 37992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 38092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 38153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 38253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 3832c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 38453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 38553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 386b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel // Take a note of analysis required and made available by this pass 38753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel noteDownRequiredAnalysis(P); 388b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel noteDownAvailableAnalysis(P); 38992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 39092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel PassVector.push_back(MP); 39114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 39214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove the analysis not preserved by this pass 39314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel removeNotPreservedAnalysis(P); 39414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 39592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 39692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 39792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 39892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 39992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 40092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 40192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 40292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 40392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 40492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 40592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 40692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel for (std::vector<Pass *>::iterator itr = PassVector.begin(), 40792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel e = PassVector.end(); itr != e; ++itr) { 40892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 40992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 41092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 41192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 41292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 41392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 41492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 415b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Schedule all passes from the queue by adding them in their 416b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// respective manager's queue. 417b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patelvoid 4185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManagerImpl_New::schedulePasses() { 419b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel /* TODO */ 420b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 421b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 422b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add pass P to the queue of passes to run. 423b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patelvoid 4245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManagerImpl_New::add(Pass *P) { 425b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel /* TODO */ 426b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 427b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 428b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 429b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 430b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 431b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patelbool 4325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManagerImpl_New::addPass(Pass *P) { 433b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 434a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 435b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel activeManager = new ModulePassManager_New(); 436b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 437b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 438b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 439b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return activeManager->addPass(P); 440b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 441b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 442b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 443b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 444b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patelbool 4455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManagerImpl_New::run(Module &M) { 446b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 447b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel schedulePasses(); 448b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 449b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 450b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 451b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 452b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 453b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 454b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 455b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 4565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 4585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 4595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM = new PassManagerImpl_New(); 4605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 4615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 4635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 4645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 4655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 4665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 4675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 4685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 4695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 4705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 4725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 4735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 4745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 4755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 4765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 4775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 478