PassManager.cpp revision f9a60ae75d6fdc74160085323c14e92e7d3517d3
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() { 246e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 247c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 2481b17033bc741814777988b56f5e958355ceb0096Devang Patel 2491b17033bc741814777988b56f5e958355ceb0096Devang Patel // Include immutable passes into AvailableAnalysis vector. 2501b17033bc741814777988b56f5e958355ceb0096Devang Patel std::vector<ImmutablePass *> &ImmutablePasses = TPM->getImmutablePasses(); 2511b17033bc741814777988b56f5e958355ceb0096Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 2521b17033bc741814777988b56f5e958355ceb0096Devang Patel E = ImmutablePasses.end(); I != E; ++I) 2531b17033bc741814777988b56f5e958355ceb0096Devang Patel recordAvailableAnalysis(*I); 254c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 255c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 256c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 257c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 258c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 259c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 260c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 261c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 262c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 263c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 264c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 265c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 266b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 267e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 268e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 269e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 270e253385b108cd946b1ac150302f246d3b218be77Devang Patel 271e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 272e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 273e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 274e253385b108cd946b1ac150302f246d3b218be77Devang Patel 275dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 276dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 277dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 278dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 279f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 280f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 281e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 282e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 283e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 284e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 285e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 286e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 287e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 288e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 289e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // TODO : Make it a reference. 290e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 291e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 29285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2935770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2945770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2955770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2965770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 297b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 298e253385b108cd946b1ac150302f246d3b218be77Devang Patel 299e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 300e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 301dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 302f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 30385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 30485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 307c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 308419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 309abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 310c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 311c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 312f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 313c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 314c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 315c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 316c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 317c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 318c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 319c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 320c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 321be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 322b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 32303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 324be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 330c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 331c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 333c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 334c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 335c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 337eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 338eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 339eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 340c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 341f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P, int D) : 342f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(D) { /* TODO */ } 343f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 344c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 345c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 346c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 347c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 348eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 349eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 350eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 351eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 352c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 353c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 354c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 355c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 357877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 358877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 359877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 360c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 364c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 365c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 367c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 368214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 369c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 370be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 371b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 37203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 373be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 3743799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3753799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3763799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3773799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3783799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3793799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3803799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 38166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 38266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 38366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 38466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 38566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 38666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 387c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 388c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 389c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 390c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 392c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 395e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 396e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 397c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 398c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 399f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 400f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 401f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 402c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 403c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 404c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 405c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 409be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 410be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 411b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 41203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 41366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 41466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 419c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 420c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 421c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 422c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 423c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 425877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 426877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 427eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 431f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PassManagerImpl_New(int D) : PMDataManager(D) {} 432f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 437877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 438877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 439877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 445be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 446b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 44703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 448be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 44966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 45066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 45166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 45266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 45366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 454eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 455eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 456eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 457eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 4595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4601209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 4615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 4625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 4645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 4655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 4675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 470c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 471c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 47206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 473419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 474889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4752c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 476889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 477419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 478889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4794045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4804045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4814045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4824045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4834045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4844045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4854045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 486889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 487889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 488889739c4d188d28c167644bced9df0f3131317d7Devang Patel 489b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 490f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 491b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 492b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 493b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 494b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 495f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 496f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 497f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 498f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 499f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 500b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 501b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 502b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 503889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 504419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 50514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 50614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 50714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 50804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 50904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 51004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 51104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 512b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 51314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 514b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 51514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 51614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 517b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 51814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 51914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 52014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 521889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 522889739c4d188d28c167644bced9df0f3131317d7Devang Patel 523df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 524419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 525f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 526f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 527f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 528f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 529f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 530f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 531f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 532f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 533f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 534f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 535f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 536f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel // It is possible that deadPass is already removed from the AvailableAnalysis 537f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 538f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 539f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 540df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 541df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5424045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 543893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 54404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 54504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 546e253385b108cd946b1ac150302f246d3b218be77Devang Patel 547893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 548e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 549e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 550e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 551e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 552e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 553e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 554e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 555e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 556e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 557e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 558e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 559e16634065021e36ae31f074f623a636924d6b8d1Devang Patel //FIXME: RDepth = PRequired->getResolver()->getDepth(); 560e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 561e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 562e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 563e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 564e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 565e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 566e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 567e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 568e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 569e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 570e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 571e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 572e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 573e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 574e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 5750ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 576893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 5770ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel initializeAnalysisImpl(P); 578893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 5790ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 580893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 581e253385b108cd946b1ac150302f246d3b218be77Devang Patel 582e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 583e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 584e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 585e253385b108cd946b1ac150302f246d3b218be77Devang Patel 586c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 587c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 588c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 589c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 590c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 591c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 592c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 593c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 594c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 595c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 596c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *AnalysisPass = NULL; //FIXME findAnalysisPass(*I,true); 597c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 598c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 599c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 600c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 601c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 6022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 6032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 6042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 6052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 6062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 607419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 6083799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6093799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6102f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6132f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 6142f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel Pass *Impl = getAnalysisPass(*I); 6152f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6162f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 6172f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 6182f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 6192f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 6202f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 62106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 62206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 62355fd43f90913676682487f89f27c756adb827f66Devang Patel 6242c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 6252c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 62655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 6272c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 62855fd43f90913676682487f89f27c756adb827f66Devang Patel 62955fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 63055fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 63155fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 63255fd43f90913676682487f89f27c756adb827f66Devang Patel 63353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 63453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 6352c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 63653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 63753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 638e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 63914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 64055fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 64155fd43f90913676682487f89f27c756adb827f66Devang Patel} 64255fd43f90913676682487f89f27c756adb827f66Devang Patel 64355fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 64455fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 64555fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 64655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 64755fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 64855fd43f90913676682487f89f27c756adb827f66Devang Patel 64955fd43f90913676682487f89f27c756adb827f66Devang Patel bool Changed = false; 650cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 651c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 65255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 653e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 654e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 65555fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 656c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 65755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 65855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 659c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 6600ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 661df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 66255fd43f90913676682487f89f27c756adb827f66Devang Patel } 66355fd43f90913676682487f89f27c756adb827f66Devang Patel return Changed; 66455fd43f90913676682487f89f27c756adb827f66Devang Patel} 66555fd43f90913676682487f89f27c756adb827f66Devang Patel 666be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 667b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 66803153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 66903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 670be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 671be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 67206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 673448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 67406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 675c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 676c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 677f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 678c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 679c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 680c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 681c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 682c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 683c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 684c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 685214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 686c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 687c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 688c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 689c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 690c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 691c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 692214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 693c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 694c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 695c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 696214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 697214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 698214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 699214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 700214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 701214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 702214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 703e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 704214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 705214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 706214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 707214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 708214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 709214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 7103799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 7113799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 7123799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 7133799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 7143799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7153799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7163799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 7173799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 7183799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 7193799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 7203799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7213799f97d539f6c288d169063e1b335917fafcffbDevang Patel 72206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 723c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 724448d27cd795dc273249f123444509403f4fa4facDevang Patel 725448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 726448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 727448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 728448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 729c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 730448d27cd795dc273249f123444509403f4fa4facDevang Patel 731448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 732448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 733448d27cd795dc273249f123444509403f4fa4facDevang Patel 734badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 735448d27cd795dc273249f123444509403f4fa4facDevang Patel 736badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 737badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 738badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 739b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 740badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 741f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 742f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 743893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 744badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 745badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 7462c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 7472c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 748448d27cd795dc273249f123444509403f4fa4facDevang Patel } 749e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 750e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 751e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 752e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 753448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 754448d27cd795dc273249f123444509403f4fa4facDevang Patel } 755448d27cd795dc273249f123444509403f4fa4facDevang Patel 756448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 757448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 758448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 759448d27cd795dc273249f123444509403f4fa4facDevang Patel 76053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 76153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 7622c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 76353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 76453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 765e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 766badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 767badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 768badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 769badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 770badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 771badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 772badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 773448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 774448d27cd795dc273249f123444509403f4fa4facDevang Patel} 775448d27cd795dc273249f123444509403f4fa4facDevang Patel 776448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 777448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 778448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 779214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 780448d27cd795dc273249f123444509403f4fa4facDevang Patel 781448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 782cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 783c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 784448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 785e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 786e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 787448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 788c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 789448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 790448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 791c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 7920ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 793df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 794448d27cd795dc273249f123444509403f4fa4facDevang Patel } 795448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 796448d27cd795dc273249f123444509403f4fa4facDevang Patel} 797448d27cd795dc273249f123444509403f4fa4facDevang Patel 798214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 799214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 800214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 801214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 802214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 803214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 804cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 805214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 806214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 807214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 808214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 809214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 810214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 811214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 812214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 8130ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 814214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 815214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 816214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 817214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 818214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 819214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 820be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 821b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 82203153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 823be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 82403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 82503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 82603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 827be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 828be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 829b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 83003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 831be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 832be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 83303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 834be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 835448d27cd795dc273249f123444509403f4fa4facDevang Patel 8363799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 8373799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 8383799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8393799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 8403799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 8413799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 8423799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8433799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 8443799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 8453799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 8463799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8473799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 8483799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8493799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8503799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 8513799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 8523799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8533799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 8543799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 8553799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 8563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8573799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 8583799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 8593799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 8603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8613799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8623799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 8633799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8643799f97d539f6c288d169063e1b335917fafcffbDevang Patel 86506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 86692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 86792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 86892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 869c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 87092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 87192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 8722c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 87392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 87492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 87592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 87692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 87792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 87892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 87992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 880badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 881badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 882badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 883b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 884badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 885f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 886f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 887893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 888badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 889badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 8902c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 8912c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 89292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 893e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 894e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 895e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 896e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 89792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 89892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 89992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 90092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 90192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 90292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 90392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 90453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 90553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 9062c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 90753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 90853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 909e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 910badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 911badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 912badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 913badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 914badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 915badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 91692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 91792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 91892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 91992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 92092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 92192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 92292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 92392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 92492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 92592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 926cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 927c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 928e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 929e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 93092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 931c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 93292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 93392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 934c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 9350ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 936df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 93792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 93892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 93992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 94092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 941be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 942b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 94303153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_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 (activeFunctionPassManager && 950b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 95103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 952be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 953be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 95403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 955be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 956be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 95706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 95806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 95906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 960be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 961b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 96203153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 963be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 96403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 9652718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 96603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 96703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 96803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 969be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 970be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 971b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 972b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 973b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 974f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 975b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 976a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 977f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 978b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 979502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 980b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 981502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 982b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 983b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 984b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 985b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 986f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 987b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 988b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 989b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 990b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 991b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 992b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 993b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 994b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 995b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 9965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 99706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 99806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 99906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 10005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 10015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1002f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 10035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 10065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 10075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 10085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 10095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 10105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 10115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 10125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 10155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 10165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 10175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 10185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 10195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1021