PassManager.cpp revision 69867b511c732a7fac7301977bd6e880e46439f1
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. 1093f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void schedulePass(Pass *P, Pass *PM); 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 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1433f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1443f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1453f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1463f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1473f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1483e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1493e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1503e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1513f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1523f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Set pass P as the last user of the given analysis passes. 1543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 1583f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel E = AnalysisPasses.end(); I != E; ++I) { 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *AP = *I; 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[AP] = P; 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // If AP is the last user of other passes then make P last user of 1623f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // such passes. 1633f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1643f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == AP) 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[LUI->first] = P; 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1683f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1693f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1703f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1723f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Collect passes whose last user is P 1733f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 1743f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1753f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1763f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 1773f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == P) 1783f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUses.push_back(LUI->first); 1793f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1803f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1811209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// Schedule pass P for execution. Make sure that passes required by 1821209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// P are run before P is run. Update analysis info maintained by 1831209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// the manager. Remove dead passes. This is a recursive function. 1841209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P, Pass *PM) { 1851209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1861209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // TODO : Allocate function manager for this pass, other wise required set 1871209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // may be inserted into previous function manager 1881209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1891209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisUsage AnUsage; 1901209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel P->getAnalysisUsage(AnUsage); 1911209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 1921209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 1931209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel E = RequiredSet.end(); I != E; ++I) { 1941209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 19569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 1961209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel if (!AnalysisPass) { 1971209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Schedule this analysis run first. 1981209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisPass = (*I)->createPass(); 1991209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel schedulePass(AnalysisPass, PM); 2001209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 2011209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 2021209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 2031209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Now all required passes are available. 2041209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel addTopLevelPass(P); 2051209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel} 2061209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 20769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. Search immutable 20869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// passes and all pass managers. If desired pass is not found 20969867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 21069867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 21169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 21269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *P = NULL; 21369867b511c732a7fac7301977bd6e880e46439f1Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 21469867b511c732a7fac7301977bd6e880e46439f1Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 21569867b511c732a7fac7301977bd6e880e46439f1Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 21669867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (PI == AID) 21769867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = *I; 21869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 21969867b511c732a7fac7301977bd6e880e46439f1Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 22069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!P) { 22169867b511c732a7fac7301977bd6e880e46439f1Devang Patel const std::vector<const PassInfo*> &ImmPI = 22269867b511c732a7fac7301977bd6e880e46439f1Devang Patel PI->getInterfacesImplemented(); 22369867b511c732a7fac7301977bd6e880e46439f1Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 22469867b511c732a7fac7301977bd6e880e46439f1Devang Patel P == NULL && Index != End; ++Index) 22569867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (ImmPI[Index] == AID) 22669867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = *I; 22769867b511c732a7fac7301977bd6e880e46439f1Devang Patel } 22869867b511c732a7fac7301977bd6e880e46439f1Devang Patel } 22969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 23069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (P) 23169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return P; 23269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 23369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check pass managers; 23469867b511c732a7fac7301977bd6e880e46439f1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 23569867b511c732a7fac7301977bd6e880e46439f1Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) 23669867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = NULL; // FIXME: (*I)->findAnalysisPass(AID, false /* Search downward */); 23769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 23869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return P; 23969867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 24069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 241dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 242dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2433f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 244419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 245419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 246419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 24785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 24985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 250f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 251dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 252dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 253dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 25485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 25585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 25685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 25785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 258b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel Pass *getAnalysisPass(AnalysisID AID) const { 259b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 260b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::const_iterator I = 261b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis.find(AID); 262b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 263b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (I != AvailableAnalysis.end()) 264b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return NULL; 265b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel else 266b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return I->second; 267be6d515f481756ff549f355e32be1ac398e141d5Devang Patel } 26885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 26985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 270f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 27185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 27285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 27385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 27485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 27585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 276df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 27785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2784045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 279893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 280893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 281e253385b108cd946b1ac150302f246d3b218be77Devang Patel 282c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 283cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 284e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 285c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 2861b17033bc741814777988b56f5e958355ceb0096Devang Patel 2871b17033bc741814777988b56f5e958355ceb0096Devang Patel // Include immutable passes into AvailableAnalysis vector. 2881b17033bc741814777988b56f5e958355ceb0096Devang Patel std::vector<ImmutablePass *> &ImmutablePasses = TPM->getImmutablePasses(); 2891b17033bc741814777988b56f5e958355ceb0096Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 2901b17033bc741814777988b56f5e958355ceb0096Devang Patel E = ImmutablePasses.end(); I != E; ++I) 2911b17033bc741814777988b56f5e958355ceb0096Devang Patel recordAvailableAnalysis(*I); 292c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 293c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 294c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 295c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 296c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 297c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 298c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 299c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 300c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 301c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 302c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 303c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 304b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 30569867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 30669867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 30769867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 30869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 309e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 310e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 311e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 312e253385b108cd946b1ac150302f246d3b218be77Devang Patel 313e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 314e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 315e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 316e253385b108cd946b1ac150302f246d3b218be77Devang Patel 317dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 318dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 319dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 320dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 321f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 322f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 323e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 324e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 325e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 326e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 327e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 328e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 329e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 330e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 331e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // TODO : Make it a reference. 332e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 333e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 33485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3355770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3365770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3375770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3385770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 339b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 340e253385b108cd946b1ac150302f246d3b218be77Devang Patel 341e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 342e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 343dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 344f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 34585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 34685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 347c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 348c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 349c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 350419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 351abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 352c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 353c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 354f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 355c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 358c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 359c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 360c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 363be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 364b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 36503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 366be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 36766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 36866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 36966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 37066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 37166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 372964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 373964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 374964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 375964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 376964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 377c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 379c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 382c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 383eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 384eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 385eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 386c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 387f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P, int D) : 388f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(D) { /* TODO */ } 389f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 390c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 392c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 394eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 395eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 396eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 397eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 398c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 399c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 400c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 401c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 402c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 403877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 404877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 405877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 412c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 413c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 414214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 415c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 416be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 417b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 41803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 419be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 4203799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4213799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4223799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4233799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4243799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4253799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4263799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 42766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 42866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 42966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 43066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 43166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 43266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 433c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 434c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 435c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 436c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 437c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 438c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 439c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 440c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 441e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 442e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 443c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 444c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 445f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 446f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 447f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 448c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 449c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 451c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 452c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 453c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 454c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 455be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 456be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 457b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 45803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 45966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 46066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 465c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 466c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 467c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 468c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 469c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 471877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 472877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 473eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 477f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PassManagerImpl_New(int D) : PMDataManager(D) {} 478f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 483877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 484877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 485877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 491be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 492b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 49303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 494be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 49566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 49666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 49766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 49866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 49966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 500eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 501eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 502eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 503eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5061209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 5105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 5115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 5145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 516c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 517c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 51806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 519419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 520889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5212c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 522889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 523419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 524889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5254045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5264045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5274045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5284045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5294045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5304045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5314045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 532889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 533889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 534889739c4d188d28c167644bced9df0f3131317d7Devang Patel 535b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 536f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 537b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 538b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 539b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 540b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 541f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 542f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 543f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 544f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 545f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 546b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 547b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 548b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 549889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 550419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 55114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 55214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 55314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 55404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 55504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 55604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 55704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 558b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 55914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 560b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 56114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 56214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 563b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 56414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 56514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 56614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 567889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 568889739c4d188d28c167644bced9df0f3131317d7Devang Patel 569df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 570419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 571f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 572f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 573f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 574f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 575f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 576f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 577f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 578f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 579f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 580f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 581f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 582964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 583f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 584f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 585f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 586df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 587df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5884045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 589893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 59004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 59104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 592e253385b108cd946b1ac150302f246d3b218be77Devang Patel 593893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 594e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 595e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 596e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 597e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 598e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 599e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 600e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 601e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 602e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 603e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 604e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 605e16634065021e36ae31f074f623a636924d6b8d1Devang Patel //FIXME: RDepth = PRequired->getResolver()->getDepth(); 606e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 607e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 608e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 609e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 610e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 611e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 612e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 613e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 614e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 615e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 616e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 617e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 618e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 619e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 620e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 6210ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 622893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 6230ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel initializeAnalysisImpl(P); 624893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 6250ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 626893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 627e253385b108cd946b1ac150302f246d3b218be77Devang Patel 628e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 629e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 630e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 631e253385b108cd946b1ac150302f246d3b218be77Devang Patel 632c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 633c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 634c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 635c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 636c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 637c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 638c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 639c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 640c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 641c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 64269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 643c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 644c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 645c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 646c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 647c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 6482f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 6492f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 6502f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 6512f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 6522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 653419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 6543799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6553799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 66069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 6612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 6632f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 6642f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 6652f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 6662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 66769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 66869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 66969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 67069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 67169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 67269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 67369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 67469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 67569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 67669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 67769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 67869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 67969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 68069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 68169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // FIXME : This is expensive and requires. Need to check only managers not all passes. 68269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // One solution is to collect managers in advance at TPM level. 68369867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *P = NULL; 68469867b511c732a7fac7301977bd6e880e46439f1Devang Patel for(std::vector<Pass *>::iterator I = passVectorBegin(), 68569867b511c732a7fac7301977bd6e880e46439f1Devang Patel E = passVectorEnd(); P == NULL && I!= E; ++I ) 68669867b511c732a7fac7301977bd6e880e46439f1Devang Patel P = NULL; // FIXME : P = (*I)->getResolver()->getAnalysisToUpdate(AID, false /* Do not search parents again */); 68769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 68869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return P; 68969867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 69069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 69106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 69206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 69355fd43f90913676682487f89f27c756adb827f66Devang Patel 6942c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 6952c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 69655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 6972c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 69855fd43f90913676682487f89f27c756adb827f66Devang Patel 69955fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 70055fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 70155fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 70255fd43f90913676682487f89f27c756adb827f66Devang Patel 70353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 70453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 7052c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 70653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 70753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 708e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 70914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 71055fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 71155fd43f90913676682487f89f27c756adb827f66Devang Patel} 71255fd43f90913676682487f89f27c756adb827f66Devang Patel 71355fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 71455fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 71555fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 71655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 71755fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 71855fd43f90913676682487f89f27c756adb827f66Devang Patel 7193b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 720cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 721c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 72255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 723e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 724e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 72555fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 726c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 72755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 72855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 729c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 7300ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 731df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 73255fd43f90913676682487f89f27c756adb827f66Devang Patel } 7333b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 73455fd43f90913676682487f89f27c756adb827f66Devang Patel} 73555fd43f90913676682487f89f27c756adb827f66Devang Patel 736be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 737b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 73803153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 73903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 740be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 741be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 742964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 743964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Module &M) { 744964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 745964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 746964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 747964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 748964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 749964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 750964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 751964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 752964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 753964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 754964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 755964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 756964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Module &M) { 757964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 758964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 759964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 760964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 761964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 762964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 763964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 764964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 765964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 766964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 767964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 768964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 769964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Function &F) { 770964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 771964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 772964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 773964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 774964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 775964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 776964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 777964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 778964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 779964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 780964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 781964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 782964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Function &F) { 783964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 784964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 785964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 786964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 787964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 788964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 789964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 790964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 791964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 792964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 793964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 794964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 795964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 79606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 797448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 79806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 799c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 800c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 801f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 802c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 803c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 804cc132cd9feef765fe70284183c0f997b4faa5483Devang PatelFunctionPassManager_New::FunctionPassManager_New(ModuleProvider *P) { 805cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 806cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 807cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 808cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 809c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 810c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 811c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 812c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 813c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 814214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 815c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 816c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 817c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 818c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 819c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 820c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 821214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 822c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 823c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 824c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 825214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 826214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 827214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 828214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 829214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 830214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 831214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 832e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 833214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 834214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 835214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 836214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 837214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 838214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 8393799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 8403799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8413799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 8423799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 8433799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8443799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8453799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 8463799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8473799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 8483799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 8493799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8503799f97d539f6c288d169063e1b335917fafcffbDevang Patel 85106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 852c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 853448d27cd795dc273249f123444509403f4fa4facDevang Patel 854448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 855448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 856448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 857448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 858c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 859448d27cd795dc273249f123444509403f4fa4facDevang Patel 860448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 861448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 862448d27cd795dc273249f123444509403f4fa4facDevang Patel 863badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 864448d27cd795dc273249f123444509403f4fa4facDevang Patel 865badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 866badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 867badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 868b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 869badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 870f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 871f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 872893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 873badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 874badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 8752c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 8762c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 877448d27cd795dc273249f123444509403f4fa4facDevang Patel } 878e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 879e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 880e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 881e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 882448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 883448d27cd795dc273249f123444509403f4fa4facDevang Patel } 884448d27cd795dc273249f123444509403f4fa4facDevang Patel 885448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 886448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 887448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 888448d27cd795dc273249f123444509403f4fa4facDevang Patel 88953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 89053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8912c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 89253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 89353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 894e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 895badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 896badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 897badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 898badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 899badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 900badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 901badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 902448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 903448d27cd795dc273249f123444509403f4fa4facDevang Patel} 904448d27cd795dc273249f123444509403f4fa4facDevang Patel 905448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 906448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 907448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 908214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 909448d27cd795dc273249f123444509403f4fa4facDevang Patel 9104d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 911cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 912c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 913448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 91497856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 91597856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 9164d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 917448d27cd795dc273249f123444509403f4fa4facDevang Patel} 918448d27cd795dc273249f123444509403f4fa4facDevang Patel 919214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 920214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 921214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 922214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 923214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 924214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 925cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 926214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 927214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 928214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 929214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 930214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 931214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 932214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 933214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 9340ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 935214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 936214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 937214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 938214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 939214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 940214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 941be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 942b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 94303153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 944be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 94503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 94603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 94703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 948be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 949be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 950b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 95103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 952be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 953be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 95403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 955be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 956448d27cd795dc273249f123444509403f4fa4facDevang Patel 9573799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 9583799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9593799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9603799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 9613799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 9623799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 9633799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9643799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9653799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 9663799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9673799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9683799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9693799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9713799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 9723799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9733799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9743799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 9753799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 9763799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 9773799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9783799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9793799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 9803799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9813799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9823799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9833799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9843799f97d539f6c288d169063e1b335917fafcffbDevang Patel 98506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 98692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 98792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 98892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 989c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 99092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 99192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 9922c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 99392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 99492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 99592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 99692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 99769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 99892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 999badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1000badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1001badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1002b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1003badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1004f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1005f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 1006893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 1007badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1008badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 10092c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 10102c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 101192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1012e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1013e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1014e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1015e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 101692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 101792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 101892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 101992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 102092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 102192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 102292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 102353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 102453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10252c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 102653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 102753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1028e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1029badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1030badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1031badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1032badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1033badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1034badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 103592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 103692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 103792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 103892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 103992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 104092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 104192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 104292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 104392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 104492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1045cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1046c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1047e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1048e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 104992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 1050c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 105192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 105292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1053c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 10540ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1055df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 105692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 105792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 105892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 105992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1060be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 1061b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 106203153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 1063be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 106403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 106503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 106603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 1067be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1068be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeFunctionPassManager && 1069b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 107003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 1071be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1072be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 107303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 1074be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 1075be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 107606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 107706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 107806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1079be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 1080b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 108103153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 1082be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 108303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 10842718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 108503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 108603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 108703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 1088be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 1089be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1090b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 1091b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1092b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1093f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1094b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1095a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 1096f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 1097b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 1098502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1099b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1100502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1101b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1102b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1103b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1104b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1105f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1106b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1107b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 1108b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 1109b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 1110b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 1111b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 1112b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1113b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1114b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 11155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 111606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 111706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 111806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 11195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 11205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1121f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 11225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 11255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 11265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 11275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 11285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 11295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 11305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 11315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 11345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 11355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 11365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 11375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 11385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1140