PassManager.cpp revision f72d29c540bf32b9c0e8914484cbbdeac70ee12a
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 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1233f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1243f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1253e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1263e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1273e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1283e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1293e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1303e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1313e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1323e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1333e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1343e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1353f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1363f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1373f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1393f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1433e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1443e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1453e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1463f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1473f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1483f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Set pass P as the last user of the given analysis passes. 1493f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 1503f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1513f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1523f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel E = AnalysisPasses.end(); I != E; ++I) { 1543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *AP = *I; 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[AP] = P; 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // If AP is the last user of other passes then make P last user of 1573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // such passes. 1583f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == AP) 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[LUI->first] = P; 1623f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1633f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1643f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Collect passes whose last user is P 1683f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 1693f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1703f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 1723f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == P) 1733f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUses.push_back(LUI->first); 1743f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1753f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1761209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// Schedule pass P for execution. Make sure that passes required by 1771209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// P are run before P is run. Update analysis info maintained by 1781209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// the manager. Remove dead passes. This is a recursive function. 1791209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P, Pass *PM) { 1801209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1811209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // TODO : Allocate function manager for this pass, other wise required set 1821209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // may be inserted into previous function manager 1831209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1841209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisUsage AnUsage; 1851209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel P->getAnalysisUsage(AnUsage); 1861209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 1871209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 1881209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel E = RequiredSet.end(); I != E; ++I) { 1891209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1901209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel Pass *AnalysisPass = NULL; // FIXME PM->getAnalysisPass(*I, true); 1911209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel if (!AnalysisPass) { 1921209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Schedule this analysis run first. 1931209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisPass = (*I)->createPass(); 1941209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel schedulePass(AnalysisPass, PM); 1951209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 1961209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 1971209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1981209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Now all required passes are available. 1991209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel addTopLevelPass(P); 2001209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel} 2011209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 2021209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 203dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 204dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 206419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 207419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 208419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 20985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 21085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 21185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 212f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 213dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 214dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 215dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 21685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 21785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 21885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 21985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 220b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel Pass *getAnalysisPass(AnalysisID AID) const { 221b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 222b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::const_iterator I = 223b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis.find(AID); 224b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 225b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (I != AvailableAnalysis.end()) 226b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return NULL; 227b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel else 228b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return I->second; 229be6d515f481756ff549f355e32be1ac398e141d5Devang Patel } 23085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 232f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 23385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 23585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 23685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 238df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 23985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2404045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 241893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 242893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 243e253385b108cd946b1ac150302f246d3b218be77Devang Patel 244c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 245cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 246c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 2471b17033bc741814777988b56f5e958355ceb0096Devang Patel 2481b17033bc741814777988b56f5e958355ceb0096Devang Patel // Include immutable passes into AvailableAnalysis vector. 2491b17033bc741814777988b56f5e958355ceb0096Devang Patel std::vector<ImmutablePass *> &ImmutablePasses = TPM->getImmutablePasses(); 2501b17033bc741814777988b56f5e958355ceb0096Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 2511b17033bc741814777988b56f5e958355ceb0096Devang Patel E = ImmutablePasses.end(); I != E; ++I) 2521b17033bc741814777988b56f5e958355ceb0096Devang Patel recordAvailableAnalysis(*I); 253c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 254c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 255c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 256c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 257c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 258c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 259c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 260c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 261c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 262c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 263c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 264c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 265b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 266e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 267e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 268e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 269e253385b108cd946b1ac150302f246d3b218be77Devang Patel 270e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 271e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 272e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 273e253385b108cd946b1ac150302f246d3b218be77Devang Patel 274dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 275dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 276dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 277dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 278f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 279f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 28085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2815770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2825770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2835770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2845770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 285b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 286e253385b108cd946b1ac150302f246d3b218be77Devang Patel 287e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 288e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 289dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 290dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Top level manager. 291dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // TODO : Make it a reference. 292dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *TPM; 293f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 294f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 29585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 29685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 297c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 298c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 299c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 300419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 301abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 302c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 303c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 304f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 307c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 308c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 309c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 310c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 311c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 312c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 313be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 314b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 31503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 316be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 31766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 31866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 31966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 322c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 323c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 324c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 325c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 326c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 327c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 329eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 330eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 331eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 333f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P, int D) : 334f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(D) { /* TODO */ } 335f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 338c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 340eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 341eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 342eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 343eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 344c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 345c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 346c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 347c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 348c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 349877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 350877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 351877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 352c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 353c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 354c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 355c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 358c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 359c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 360214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 362be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 363b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 36403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 365be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 3663799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3673799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3683799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3703799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3713799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3723799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 37366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 37466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 37566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 37666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 37766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 37866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 382c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 383c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 384c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 385c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 386c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 387419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass ModulePassManager_New : public PMDataManager { 388c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 389c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 390f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 391f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 392f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 395c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 397c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 398c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 399c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 400be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 401be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 402b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 40303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 40466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 40566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 40666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 40766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 40866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 40966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 412c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 413c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 414c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 416877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 417877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 418eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 422f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PassManagerImpl_New(int D) : PMDataManager(D) {} 423f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 428877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 429877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 430877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 436be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 437b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 43803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 439be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 44066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 44166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 44266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 44366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 44466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 445eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 446eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 447eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 448eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 4505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4511209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 4525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 4535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 4555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 4565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 4585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 461c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 462c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 46306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 464419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 465889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4662c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 467889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 468419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 469889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4704045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4714045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4724045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4734045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4744045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4754045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4764045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 477889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 478889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 479889739c4d188d28c167644bced9df0f3131317d7Devang Patel 480b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 481f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 482b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 483b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 484b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 485b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 486f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 487f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 488f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 489f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 490f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 491b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 492b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 493b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 494889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 495419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 49614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 49714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 49814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 49904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 50004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 50104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 50204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 503b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 50414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 505b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 50614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 50714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 508b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 50914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 51014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 51114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 512889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 513889739c4d188d28c167644bced9df0f3131317d7Devang Patel 514df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 515419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 5166e49d8b4bf7b5911dc953551672161b8f9a7418fDevang Patel // TODO : reimplement 517df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 518df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5194045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 520893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 52104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 52204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 523e253385b108cd946b1ac150302f246d3b218be77Devang Patel 524893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 5250ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 526893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 5270ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel initializeAnalysisImpl(P); 528893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 5290ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 530893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 531e253385b108cd946b1ac150302f246d3b218be77Devang Patel 532e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 533e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 534e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 535e253385b108cd946b1ac150302f246d3b218be77Devang Patel 536c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 537c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 538c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 539c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 540c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 541c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 542c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 543c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 544c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 545c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 546c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *AnalysisPass = NULL; //FIXME findAnalysisPass(*I,true); 547c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 548c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 549c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 550c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 551c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 5522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 5532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 5542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 5552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 5562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 557419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 5583799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 5593799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 5602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 5612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 5622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 5632f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 5642f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel Pass *Impl = getAnalysisPass(*I); 5652f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 5662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 5672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 5682f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 5692f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 5702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 57106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 57206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 57355fd43f90913676682487f89f27c756adb827f66Devang Patel 5742c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 5752c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 57655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 5772c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 57855fd43f90913676682487f89f27c756adb827f66Devang Patel 57955fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 58055fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 58155fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 58255fd43f90913676682487f89f27c756adb827f66Devang Patel 58353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 58453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 5852c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 58653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 58753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 588e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 58914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 59055fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 59155fd43f90913676682487f89f27c756adb827f66Devang Patel} 59255fd43f90913676682487f89f27c756adb827f66Devang Patel 59355fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 59455fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 59555fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 59655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 59755fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 59855fd43f90913676682487f89f27c756adb827f66Devang Patel 59955fd43f90913676682487f89f27c756adb827f66Devang Patel bool Changed = false; 600cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 601c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 60255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 603e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 604e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 60555fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 606c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 60755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 60855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 609c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 6100ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 611df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 61255fd43f90913676682487f89f27c756adb827f66Devang Patel } 61355fd43f90913676682487f89f27c756adb827f66Devang Patel return Changed; 61455fd43f90913676682487f89f27c756adb827f66Devang Patel} 61555fd43f90913676682487f89f27c756adb827f66Devang Patel 616be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 617b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 61803153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 61903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 620be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 621be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 62206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 623448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 62406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 625c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 626c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 627f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 628c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 629c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 630c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 631c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 632c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 633c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 634c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 635214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 636c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 637c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 638c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 639c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 640c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 641c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 642214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 643c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 644c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 645c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 646214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 647214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 648214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 649214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 650214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 651214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 652214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 653e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 654214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 655214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 656214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 657214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 658214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 659214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 6603799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 6613799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 6623799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 6633799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 6643799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 6653799f97d539f6c288d169063e1b335917fafcffbDevang Patel 6663799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 6673799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 6683799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 6693799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 6703799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 6713799f97d539f6c288d169063e1b335917fafcffbDevang Patel 67206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 673c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 674448d27cd795dc273249f123444509403f4fa4facDevang Patel 675448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 676448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 677448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 678448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 679c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 680448d27cd795dc273249f123444509403f4fa4facDevang Patel 681448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 682448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 683448d27cd795dc273249f123444509403f4fa4facDevang Patel 684badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 685448d27cd795dc273249f123444509403f4fa4facDevang Patel 686badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 687badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 688badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 689b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 690badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 691f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 692f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 693893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 694badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 695badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 6962c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 6972c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 698448d27cd795dc273249f123444509403f4fa4facDevang Patel } 699448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 700448d27cd795dc273249f123444509403f4fa4facDevang Patel } 701448d27cd795dc273249f123444509403f4fa4facDevang Patel 702448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 703448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 704448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 705448d27cd795dc273249f123444509403f4fa4facDevang Patel 70653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 70753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 7082c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 70953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 71053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 711e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 712badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 713badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 714badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 715badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 716badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 717badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 718badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 719448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 720448d27cd795dc273249f123444509403f4fa4facDevang Patel} 721448d27cd795dc273249f123444509403f4fa4facDevang Patel 722448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 723448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 724448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 725214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 726448d27cd795dc273249f123444509403f4fa4facDevang Patel 727448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 728cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 729c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 730448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 731e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 732e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 733448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 734c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 735448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 736448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 737c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 7380ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 739df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 740448d27cd795dc273249f123444509403f4fa4facDevang Patel } 741448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 742448d27cd795dc273249f123444509403f4fa4facDevang Patel} 743448d27cd795dc273249f123444509403f4fa4facDevang Patel 744214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 745214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 746214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 747214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 748214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 749214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 750cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 751214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 752214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 753214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 754214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 755214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 756214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 757214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 758214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 7590ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 760214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 761214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 762214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 763214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 764214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 765214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 766be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 767b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 76803153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 769be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 77003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 77103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 77203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 773be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 774be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 775b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 77603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 777be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 778be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 77903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 780be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 781448d27cd795dc273249f123444509403f4fa4facDevang Patel 7823799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 7833799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 7843799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7853799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 7863799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 7873799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 7883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7893799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 7903799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 7913799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 7923799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7933799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 7943799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7953799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7963799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 7973799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 7983799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7993799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 8003799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 8013799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 8023799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8033799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 8043799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 8053799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 8063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8073799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8083799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 8093799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8103799f97d539f6c288d169063e1b335917fafcffbDevang Patel 81106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 81292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 81392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 81492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 815c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 81692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 81792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 8182c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 81992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 82092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 82192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 82292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 82392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 82492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 82592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 826badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 827badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 828badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 829b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 830badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 831f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 832f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 833893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 834badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 835badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 8362c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 8372c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 83892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 83992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 84092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 84192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 84292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 84392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 84492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 84592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 84653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 84753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8482c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 84953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 85053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 851e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 852badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 853badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 854badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 855badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 856badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 857badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 85892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 85992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 86092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 86192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 86292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 86392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 86492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 86592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 86692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 86792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 868cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 869c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 870e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 871e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 87292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 873c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 87492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 87592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 876c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 8770ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 878df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 87992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 88092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 88192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 88292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 883be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 884b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 88503153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 886be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 88703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 88803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 88903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 890be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 891be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeFunctionPassManager && 892b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 89303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 894be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 895be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 89603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 897be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 898be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 89906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 90006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 90106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 902be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 903b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 90403153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 905be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 90603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 9072718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 90803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 90903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 91003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 911be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 912be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 913b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 914b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 915b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 916f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 917b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 918a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 919f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 920b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 921502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 922b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 923502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 924b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 925b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 926b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 927b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 928f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 929b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 930b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 931b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 932b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 933b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 934b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 935b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 936b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 937b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 9385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 93906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 94006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 94106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 9425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 9435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 944f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 9455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 9475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 9485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 9495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 9505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 9515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 9525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 9535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 9545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 9565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 9575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 9585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 9595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 9605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 9615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 963