PassManager.cpp revision 145e83dc12a3f962b999f348474ebb07a36a7b81
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" 173799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 188f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 1985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 20b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 2155fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 2255fd43f90913676682487f89f27c756adb827f66Devang Patel 23e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 24e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Overview: 25e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// The Pass Manager Infrastructure manages passes. It's responsibilities are: 26e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Manage optimization pass execution order 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Make required Analysis information available before pass P is run 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Release memory occupied by dead passes 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o If Analysis information is dirtied by a pass then regenerate Analysis 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// information before it is consumed by another pass. 32e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Pass Manager Infrastructure uses multipe pass managers. They are PassManager, 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManager, ModulePassManager, BasicBlockPassManager. This class 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// hierarcy uses multiple inheritance but pass managers do not derive from 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// another pass manager. 37e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 38e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManager and FunctionPassManager are two top level pass manager that 39e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// represents the external interface of this entire pass manager infrastucture. 40e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 41e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Important classes : 42e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 43e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMTopLevelManager; 44e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 45e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Two top level managers, PassManager and FunctionPassManager, derive from 46e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMTopLevelManager. PMTopLevelManager manages information used by top level 47e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// managers such as last user info. 48e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 49e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMDataManager; 50e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 51e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager manages information, e.g. list of available analysis info, 52e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// used by a pass manager to manage execution order of passes. It also provides 53e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// a place to implement common pass manager APIs. All pass managers derive from 54e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager. 55e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 56e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class BasicBlockPassManager : public FunctionPass, public PMDataManager; 57e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 58e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// BasicBlockPassManager manages BasicBlockPasses. 59e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 60e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManager; 61e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 62e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by JIT to manage FunctionPasses. This 63e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// interface relies on FunctionPassManagerImpl to do all the tasks. 64e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 65e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager, 66e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMTopLevelManager; 67e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 68e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManagerImpl is a top level manager. It manages FunctionPasses 69e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// and BasicBlockPassManagers. 70e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 71e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class ModulePassManager : public Pass, public PMDataManager; 72e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 73e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManager manages ModulePasses and FunctionPassManagerImpls. 74e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 75e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManager; 76e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 77e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by various tools to manages passes. It 78e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// relies on PassManagerImpl to do all the tasks. 79e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 80e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManagerImpl : public Pass, public PMDataManager, 81e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMDTopLevelManager 82e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 83e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManagerImpl is a top level pass manager responsible for managing 84e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManagers. 85e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 86e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 87c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 88c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 893f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 903f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 913f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 923f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 933f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 943f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelclass PMTopLevelManager { 953f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 963f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1023f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1033f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1043f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 109e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel void schedulePass(Pass *P); 1103f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1113f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1133f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1143f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1163f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1173f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1183f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1193f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1203f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 12169867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. Search immutable 12269867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// passes and all pass managers. If desired pass is not found 12369867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 12469867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID); 12569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1263f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 1273f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1283f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1293f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1303e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1313e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1323e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1333e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1343e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1353e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1363e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1373e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1383e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1393e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 140a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel void addPassManager(Pass *Manager) { 141a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel PassManagers.push_back(Manager); 142a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel } 143a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel 144591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Add Manager into the list of managers that are not directly 145591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // maintained by this top level pass manager 146591b1b7526ed9c099de23cc995853a250c20502fDevang Patel void addOtherPassManager(Pass *Manager) { 147591b1b7526ed9c099de23cc995853a250c20502fDevang Patel OtherPassManagers.push_back(Manager); 148591b1b7526ed9c099de23cc995853a250c20502fDevang Patel } 149591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1503f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1513f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1523f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 155591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 156591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 157591b1b7526ed9c099de23cc995853a250c20502fDevang Patel std::vector<Pass *> OtherPassManagers; 158591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1623e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1633e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1643e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Set pass P as the last user of the given analysis passes. 1683f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 1693f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1703f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 1723f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel E = AnalysisPasses.end(); I != E; ++I) { 1733f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *AP = *I; 1743f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[AP] = P; 1753f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // If AP is the last user of other passes then make P last user of 1763f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // such passes. 1773f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1783f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 1793f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == AP) 1803f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[LUI->first] = P; 1813f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1823f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1833f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1843f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1853f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1863f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Collect passes whose last user is P 1873f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 1883f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1893f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1903f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 1913f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == P) 1923f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUses.push_back(LUI->first); 1933f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1943f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1951209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// Schedule pass P for execution. Make sure that passes required by 1961209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// P are run before P is run. Update analysis info maintained by 1971209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// the manager. Remove dead passes. This is a recursive function. 198e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 1991209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 2001209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // TODO : Allocate function manager for this pass, other wise required set 2011209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // may be inserted into previous function manager 2021209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 2031209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisUsage AnUsage; 2041209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel P->getAnalysisUsage(AnUsage); 2051209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 2061209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 2071209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel E = RequiredSet.end(); I != E; ++I) { 2081209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 20969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 2101209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel if (!AnalysisPass) { 2111209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Schedule this analysis run first. 2121209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisPass = (*I)->createPass(); 213e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(AnalysisPass); 2141209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 2151209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 2161209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 2171209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Now all required passes are available. 2181209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel addTopLevelPass(P); 2191209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel} 2201209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 22169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. Search immutable 22269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// passes and all pass managers. If desired pass is not found 22369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 22469867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 22569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 22669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *P = NULL; 22769867b511c732a7fac7301977bd6e880e46439f1Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 22869867b511c732a7fac7301977bd6e880e46439f1Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 22969867b511c732a7fac7301977bd6e880e46439f1Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 23069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (PI == AID) 23169867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = *I; 23269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 23369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 23469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!P) { 23569867b511c732a7fac7301977bd6e880e46439f1Devang Patel const std::vector<const PassInfo*> &ImmPI = 23669867b511c732a7fac7301977bd6e880e46439f1Devang Patel PI->getInterfacesImplemented(); 23769867b511c732a7fac7301977bd6e880e46439f1Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 23869867b511c732a7fac7301977bd6e880e46439f1Devang Patel P == NULL && Index != End; ++Index) 23969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (ImmPI[Index] == AID) 24069867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = *I; 24169867b511c732a7fac7301977bd6e880e46439f1Devang Patel } 24269867b511c732a7fac7301977bd6e880e46439f1Devang Patel } 24369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 244591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Check pass managers 24569867b511c732a7fac7301977bd6e880e46439f1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 24669867b511c732a7fac7301977bd6e880e46439f1Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) 24769867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = NULL; // FIXME: (*I)->findAnalysisPass(AID, false /* Search downward */); 24869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 249591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Check other pass managers 250591b1b7526ed9c099de23cc995853a250c20502fDevang Patel for (std::vector<Pass *>::iterator I = OtherPassManagers.begin(), 251591b1b7526ed9c099de23cc995853a250c20502fDevang Patel E = OtherPassManagers.end(); P == NULL && I != E; ++I) 252591b1b7526ed9c099de23cc995853a250c20502fDevang Patel P = NULL; // FIXME: (*I)->findAnalysisPass(AID, false /* Search downward */); 253591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 25469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return P; 25569867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 25669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 257dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 258dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 260419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 261419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 262419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 26385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 26485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 26585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 266f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 267dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 268dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 269dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 27085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 27185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 27285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 27385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 27485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 275f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 27685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 27785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 27885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 27985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 28085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 281df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 28285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2834045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 284893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 285893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 286e253385b108cd946b1ac150302f246d3b218be77Devang Patel 287c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 288cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 289e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 290c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 2911b17033bc741814777988b56f5e958355ceb0096Devang Patel 2921b17033bc741814777988b56f5e958355ceb0096Devang Patel // Include immutable passes into AvailableAnalysis vector. 2931b17033bc741814777988b56f5e958355ceb0096Devang Patel std::vector<ImmutablePass *> &ImmutablePasses = TPM->getImmutablePasses(); 2941b17033bc741814777988b56f5e958355ceb0096Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 2951b17033bc741814777988b56f5e958355ceb0096Devang Patel E = ImmutablePasses.end(); I != E; ++I) 2961b17033bc741814777988b56f5e958355ceb0096Devang Patel recordAvailableAnalysis(*I); 297c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 298c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 299c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 300c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 301c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 302c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 303c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 304c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 305c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 306c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 307c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 308c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 309b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 31069867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 31169867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 31269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 31369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 314e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 315e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 316e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 317e253385b108cd946b1ac150302f246d3b218be77Devang Patel 318e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 319e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 320e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 321e253385b108cd946b1ac150302f246d3b218be77Devang Patel 322dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 323dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 324dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 325dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 326f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 327f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 328e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 329e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 330e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 331e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 332e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 333e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 334e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 335e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 336e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // TODO : Make it a reference. 337e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 338e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 33985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3405770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3415770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3425770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3435770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 344b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 345e253385b108cd946b1ac150302f246d3b218be77Devang Patel 346e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 347e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 348dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 349f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 35085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 35185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 352c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 353c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 354c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 355419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 356abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 358c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 359f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 360c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 364c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 365c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 367c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 36866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 36966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 37066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 37166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 37266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 373964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 374964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 375964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 376964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 377964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 380c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 382c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 383c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 384eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 385eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 386eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 387c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 388f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P, int D) : 389f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(D) { /* TODO */ } 390f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 392c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 393c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 395eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 396145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 397145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel if (dynamic_cast<ImmutablePass *> (P)) { 398145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 399145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 400145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 401145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 402145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 403145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 404145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 405eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 406eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 407eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 412c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 413877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 414e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 415877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 416c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 417c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 418c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 419c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 420c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 421c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 422c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 423c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 424214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 425c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 426c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4273799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4283799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4293799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4303799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4313799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4323799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4333799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 43466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 43566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 43666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 43766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 43866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 43966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 440c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 441c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 442c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 443c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 444c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 445c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 446c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 447c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 448e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 449e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 451c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 452f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 453f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 454f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 455c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 456c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 457c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 458c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 459c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 460c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 461c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 462be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 46366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 468c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 469c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 470c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 471c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 472c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 474877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 475877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 476eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 480f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PassManagerImpl_New(int D) : PMDataManager(D) {} 481f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 486877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 487e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 488877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 49466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 49566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 49666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 49766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 49866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 499eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 500145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 501145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel if (dynamic_cast<ImmutablePass *> (P)) { 502145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 503145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 504145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 505145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 506145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 507145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 508145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 509eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 510eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 511eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5141209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 5195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 521c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 522c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 52306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 524419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 525889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5262c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 527889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 528419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 529889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5304045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5314045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5324045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5334045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5344045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5354045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5364045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 537889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 538889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 539889739c4d188d28c167644bced9df0f3131317d7Devang Patel 540b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 541f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 542b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 543b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 544b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 545b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 546f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 547f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 548f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 549f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 550f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 551b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 552b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 553b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 554889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 555419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 55614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 55714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 55814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 55904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 56004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 56104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 56204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 563b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 56414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 565b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 56614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 56714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 568b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 56914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 57014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 57114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 572889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 573889739c4d188d28c167644bced9df0f3131317d7Devang Patel 574df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 575419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 576f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 577f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 578f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 579f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 580f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 581f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 582f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 583f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 584f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 585f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 586f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 587964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 588f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 589f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 590f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 591df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 592df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5934045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 594893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 59504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 59604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 597e253385b108cd946b1ac150302f246d3b218be77Devang Patel 598145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 599145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 600145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 601145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 602145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 603893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 604e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 605e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 606e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 607e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 608e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 609e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 610e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 611e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 612e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 613e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 614e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 615e16634065021e36ae31f074f623a636924d6b8d1Devang Patel //FIXME: RDepth = PRequired->getResolver()->getDepth(); 616e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 617e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 618e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 619e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 620e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 621e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 622e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 623e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 624e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 625e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 626e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 627e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 628e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 629e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 630e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 6310ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 632893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 6330ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel initializeAnalysisImpl(P); 634893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 6350ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 636893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 637e253385b108cd946b1ac150302f246d3b218be77Devang Patel 638e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 639e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 640e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 641e253385b108cd946b1ac150302f246d3b218be77Devang Patel 642c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 643c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 644c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 645c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 646c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 647c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 648c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 649c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 650c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 651c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 65269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 653c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 654c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 655c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 656c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 657c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 6582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 6592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 6602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 6612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 6622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 663419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 6643799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6653799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6682f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6692f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 67069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 6712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6722f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 6732f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 6742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 6752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 6762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 67769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 67869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 67969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 68069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 68169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 68269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 68369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 68469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 68569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 68669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 68769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 68869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 68969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 69069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 69169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // FIXME : This is expensive and requires. Need to check only managers not all passes. 69269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // One solution is to collect managers in advance at TPM level. 69369867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *P = NULL; 69469867b511c732a7fac7301977bd6e880e46439f1Devang Patel for(std::vector<Pass *>::iterator I = passVectorBegin(), 69569867b511c732a7fac7301977bd6e880e46439f1Devang Patel E = passVectorEnd(); P == NULL && I!= E; ++I ) 69669867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = NULL; // FIXME : P = (*I)->getResolver()->getAnalysisToUpdate(AID, false /* Do not search parents again */); 69769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 69869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return P; 69969867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 70069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 701f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 702f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 703f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 704f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 705f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 706f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 707f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 708f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 70906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 71006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 71155fd43f90913676682487f89f27c756adb827f66Devang Patel 7122c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 7132c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 71455fd43f90913676682487f89f27c756adb827f66Devang Patelbool 7152c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 71655fd43f90913676682487f89f27c756adb827f66Devang Patel 71755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 71855fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 71955fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 72055fd43f90913676682487f89f27c756adb827f66Devang Patel 72153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 72253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 7232c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 72453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 72553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 726e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 72714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 72855fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 72955fd43f90913676682487f89f27c756adb827f66Devang Patel} 73055fd43f90913676682487f89f27c756adb827f66Devang Patel 73155fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 73255fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 73355fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 73455fd43f90913676682487f89f27c756adb827f66Devang Patelbool 73555fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 73655fd43f90913676682487f89f27c756adb827f66Devang Patel 7373b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 738cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 739c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 74055fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 741e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 742e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 74355fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 744c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 74555fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 74655fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 747c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 7480ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 749df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 75055fd43f90913676682487f89f27c756adb827f66Devang Patel } 7513b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 75255fd43f90913676682487f89f27c756adb827f66Devang Patel} 75355fd43f90913676682487f89f27c756adb827f66Devang Patel 754964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 755964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Module &M) { 756964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 757964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 758964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 759964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 760964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 761964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 762964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 763964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 764964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 765964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 766964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 767964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 768964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Module &M) { 769964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 770964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 771964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 772964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 773964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 774964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 775964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 776964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 777964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 778964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 779964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 780964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 781964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Function &F) { 782964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 783964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 784964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 785964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 786964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 787964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 788964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 789964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 790964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 791964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 792964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 793964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 794964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Function &F) { 795964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 796964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 797964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 798964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 799964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 800964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 801964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 802964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 803964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 804964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 805964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 806964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 807964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 80806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 809448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 81006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 811c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 812c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 813f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 814c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 815c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 816cc132cd9feef765fe70284183c0f997b4faa5483Devang PatelFunctionPassManager_New::FunctionPassManager_New(ModuleProvider *P) { 817cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 818cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 819cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 820cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 821c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 822c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 823c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 824c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 825c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 826214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 827c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 828c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 829c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 830c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 831c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 832c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 833214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 834c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 835c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 836c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 837214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 838214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 839214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 840214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 841214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 842214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 843214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 844e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 845214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 846214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 847c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 848214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 849214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 850214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 8513799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 8523799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8533799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 8543799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 8553799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8573799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 8583799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8593799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 8603799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 8613799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8623799f97d539f6c288d169063e1b335917fafcffbDevang Patel 86306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 864c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 865448d27cd795dc273249f123444509403f4fa4facDevang Patel 866448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 867448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 868448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 869448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 870c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 871448d27cd795dc273249f123444509403f4fa4facDevang Patel 872448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 873448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 874448d27cd795dc273249f123444509403f4fa4facDevang Patel 875badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 876448d27cd795dc273249f123444509403f4fa4facDevang Patel 877badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 878badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 879badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 880b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 881badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 882f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 883f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 884893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 885591b1b7526ed9c099de23cc995853a250c20502fDevang Patel TPM->addOtherPassManager(activeBBPassManager); 886badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 887badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 8882c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 8892c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 890448d27cd795dc273249f123444509403f4fa4facDevang Patel } 891e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 892e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 893e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 894e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 895448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 896448d27cd795dc273249f123444509403f4fa4facDevang Patel } 897448d27cd795dc273249f123444509403f4fa4facDevang Patel 898448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 899448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 900448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 901448d27cd795dc273249f123444509403f4fa4facDevang Patel 90253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 90353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 9042c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 90553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 90653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 907e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 908badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 909badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 910badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 911badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 912badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 913badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 914badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 915448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 916448d27cd795dc273249f123444509403f4fa4facDevang Patel} 917448d27cd795dc273249f123444509403f4fa4facDevang Patel 918448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 919448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 920448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 921214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 922448d27cd795dc273249f123444509403f4fa4facDevang Patel 9234d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 924cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 925c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 926448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 92797856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 92897856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 9294d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 930448d27cd795dc273249f123444509403f4fa4facDevang Patel} 931448d27cd795dc273249f123444509403f4fa4facDevang Patel 932214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 933214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 934214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 935214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 936214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 937214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 938cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 939214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 940214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 941214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 942214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 943214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 944214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 945214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 946214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 9470ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 948214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 949214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 950214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 951214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 952214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 953214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9543799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 9553799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9573799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 9583799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 9593799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 9603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9613799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9623799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 9633799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9643799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9653799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9663799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9673799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9683799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 9693799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9713799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 9723799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 9733799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 9743799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9753799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9763799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 9773799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9793799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9803799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9813799f97d539f6c288d169063e1b335917fafcffbDevang Patel 982c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 983c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 984c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 985c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 986c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 987c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 988c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 989c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(*I); 990c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 991c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 992c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 993c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 994c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 99506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 99692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 99792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 99892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 999c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 100092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 100192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 10022c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 100392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 100492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 100592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 100692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 100769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 100892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1009badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1010badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1011badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1012b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1013badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1014f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1015f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 1016893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 1017591b1b7526ed9c099de23cc995853a250c20502fDevang Patel TPM->addOtherPassManager(activeFunctionPassManager); 1018591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1019badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 10202c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 10212c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 102292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1023e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1024e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1025e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1026e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 102792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 102892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 102992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 103092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 103192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 103292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 103392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 103453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 103553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10362c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 103753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 103853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1039e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1040badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1041badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1042badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1043badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1044badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1045badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 104692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 104792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 104892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 104992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 105092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 105192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 105292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 105392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 105492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 105592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1056cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1057c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1058e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1059e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 106092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 1061c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 106292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 106392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1064c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 10650ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1066df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 106792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 106892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 106992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 107092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 107106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 107206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 107306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1074b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 1075b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1076b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1077f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1078b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1079a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 1080f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 1081145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1082145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1083145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1084145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1085145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1086145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1087a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1088502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1089b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1090502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1091b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1092b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1093b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1094b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1095f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1096b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1097b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 1098a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1099a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 1100a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel ModulePassManager_New *MP = dynamic_cast<ModulePassManager_New *>(*I); 1101a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1102b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1103b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1104b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 11055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 110606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 110706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 110806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 11095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 11105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1111f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 11125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 11155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 11165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 11175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 11185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 11195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 11205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 11215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 11245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 11255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 11265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 11275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 11285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1130