PassManager.cpp revision 3b14fbe300b96c353a9abfadf481b64324f17375
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 202dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 203dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2043f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 205419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 206419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 207419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 20885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 20985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 21085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 211f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 212dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 213dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 214dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 21585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 21685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 21785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 21885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 219b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel Pass *getAnalysisPass(AnalysisID AID) const { 220b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 221b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::const_iterator I = 222b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis.find(AID); 223b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 224b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (I != AvailableAnalysis.end()) 225b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return NULL; 226b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel else 227b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return I->second; 228be6d515f481756ff549f355e32be1ac398e141d5Devang Patel } 22985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 231f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 23285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 23485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 23585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 237df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 23885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2394045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 240893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 241893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 242e253385b108cd946b1ac150302f246d3b218be77Devang Patel 243c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 244cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 245e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 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 280e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 281e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 282e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 283e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 284e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 285e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 286e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 287e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 288e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // TODO : Make it a reference. 289e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 290e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 29185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2925770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2935770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2945770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2955770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 296b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 297e253385b108cd946b1ac150302f246d3b218be77Devang Patel 298e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 299e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 300dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 301f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 30285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 30385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 304c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 307419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 308abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 309c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 310c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 311f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 312c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 313c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 314c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 315c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 316c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 317c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 318c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 319c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 320be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 321b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 32203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 323be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 329964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 330964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 331964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 332964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 333964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 334c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 335c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 336c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 340eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 341eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 342eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 343c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 344f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P, int D) : 345f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(D) { /* TODO */ } 346f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 347c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 348c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 349c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 350c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 351eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 352eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 353eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 354eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 355c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 358c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 359c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 360877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 361877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 362877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 364c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 365c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 367c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 368c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 369c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 371214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 372c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 373be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 374b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 37503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 376be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 3773799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3783799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3793799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3803799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3813799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3823799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3833799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 38466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 38566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 38666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 38766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 38866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 38966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 390c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 392c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 395c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 397c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 398e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 399e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 400c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 401c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 402f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 403f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 404f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 405c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 412be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 413be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 414b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 41503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 41666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 41766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 42066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 42166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 422c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 423c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 424c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 425c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 426c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 428877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 429877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 430eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 434f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PassManagerImpl_New(int D) : PMDataManager(D) {} 435f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 440877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 441877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 442877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 448be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 449b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel /// TODO : Replace this method with getAnalysisPass() 45003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 451be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 45266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 45366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 45466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 45566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 45666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 457eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 458eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 459eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 460eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 4625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4631209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 4645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 4655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 4675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 4685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 4705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 473c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 474c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 47506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 476419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 477889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4782c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 479889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 480419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 481889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4824045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4834045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4844045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4854045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4864045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4874045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4884045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 489889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 490889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 491889739c4d188d28c167644bced9df0f3131317d7Devang Patel 492b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 493f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 494b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 495b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 496b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 497b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 498f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 499f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 500f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 501f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 502f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 503b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 504b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 505b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 506889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 507419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 50814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 50914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 51014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 51104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 51204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 51304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 51404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 515b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 51614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 517b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 51814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 51914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 520b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 52114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 52214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 52314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 524889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 525889739c4d188d28c167644bced9df0f3131317d7Devang Patel 526df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 527419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 528f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 529f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 530f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 531f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 532f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 533f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 534f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 535f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 536f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 537f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 538f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 539964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 540f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 541f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 542f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 543df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 544df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5454045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 546893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 54704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 54804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 549e253385b108cd946b1ac150302f246d3b218be77Devang Patel 550893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 551e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 552e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 553e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 554e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 555e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 556e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 557e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 558e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 559e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 560e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 561e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 562e16634065021e36ae31f074f623a636924d6b8d1Devang Patel //FIXME: RDepth = PRequired->getResolver()->getDepth(); 563e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 564e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 565e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 566e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 567e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 568e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 569e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 570e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 571e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 572e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 573e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 574e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 575e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 576e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 577e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 5780ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 579893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 5800ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel initializeAnalysisImpl(P); 581893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 5820ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 583893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 584e253385b108cd946b1ac150302f246d3b218be77Devang Patel 585e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 586e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 587e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 588e253385b108cd946b1ac150302f246d3b218be77Devang Patel 589c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 590c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 591c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 592c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 593c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 594c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 595c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 596c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 597c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 598c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 599c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *AnalysisPass = NULL; //FIXME findAnalysisPass(*I,true); 600c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 601c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 602c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 603c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 604c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 6052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 6062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 6072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 6082f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 6092f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 610419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 6113799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6123799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6132f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6142f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6152f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6162f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 6172f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel Pass *Impl = getAnalysisPass(*I); 6182f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6192f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 6202f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 6212f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 6222f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 6232f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 62406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 62506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 62655fd43f90913676682487f89f27c756adb827f66Devang Patel 6272c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 6282c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 62955fd43f90913676682487f89f27c756adb827f66Devang Patelbool 6302c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 63155fd43f90913676682487f89f27c756adb827f66Devang Patel 63255fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 63355fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 63455fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 63555fd43f90913676682487f89f27c756adb827f66Devang Patel 63653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 63753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 6382c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 63953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 64053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 641e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 64214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 64355fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 64455fd43f90913676682487f89f27c756adb827f66Devang Patel} 64555fd43f90913676682487f89f27c756adb827f66Devang Patel 64655fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 64755fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 64855fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 64955fd43f90913676682487f89f27c756adb827f66Devang Patelbool 65055fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 65155fd43f90913676682487f89f27c756adb827f66Devang Patel 6523b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 653cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 654c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 65555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 656e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 657e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 65855fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 659c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 66055fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 66155fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 662c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 6630ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 664df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 66555fd43f90913676682487f89f27c756adb827f66Devang Patel } 6663b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 66755fd43f90913676682487f89f27c756adb827f66Devang Patel} 66855fd43f90913676682487f89f27c756adb827f66Devang Patel 669be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 670b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 67103153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 67203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 673be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 674be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 675964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 676964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Module &M) { 677964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 678964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 679964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 680964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 681964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 682964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 683964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 684964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 685964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 686964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 687964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 688964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 689964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Module &M) { 690964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 691964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 692964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 693964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 694964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 695964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 696964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 697964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 698964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 699964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 700964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 701964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 702964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Function &F) { 703964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 704964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 705964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 706964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 707964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 708964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 709964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 710964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 711964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 712964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 713964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 714964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 715964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Function &F) { 716964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 717964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 718964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 719964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 720964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 721964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 722964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 723964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 724964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 725964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 726964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 727964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 728964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 72906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 730448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 73106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 732c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 733c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 734f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 735c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 736c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 737c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 738c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 739c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 740c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 741c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 742214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 743c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 744c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 745c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 746c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 747c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 748c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 749214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 750c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 751c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 752c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 753214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 754214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 755214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 756214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 757214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 758214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 759214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 760e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 761214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 762214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 763214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 764214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 765214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 766214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 7673799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 7683799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 7693799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 7703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 7713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7733799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 7743799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 7753799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 7763799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 7773799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 77906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 780c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 781448d27cd795dc273249f123444509403f4fa4facDevang Patel 782448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 783448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 784448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 785448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 786c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 787448d27cd795dc273249f123444509403f4fa4facDevang Patel 788448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 789448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 790448d27cd795dc273249f123444509403f4fa4facDevang Patel 791badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 792448d27cd795dc273249f123444509403f4fa4facDevang Patel 793badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 794badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 795badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 796b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 797badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 798f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 799f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 800893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 801badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 802badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 8032c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 8042c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 805448d27cd795dc273249f123444509403f4fa4facDevang Patel } 806e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 807e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 808e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 809e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 810448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 811448d27cd795dc273249f123444509403f4fa4facDevang Patel } 812448d27cd795dc273249f123444509403f4fa4facDevang Patel 813448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 814448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 815448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 816448d27cd795dc273249f123444509403f4fa4facDevang Patel 81753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 81853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8192c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 82053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 82153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 822e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 823badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 824badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 825badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 826badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 827badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 828badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 829badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 830448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 831448d27cd795dc273249f123444509403f4fa4facDevang Patel} 832448d27cd795dc273249f123444509403f4fa4facDevang Patel 833448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 834448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 835448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 836214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 837448d27cd795dc273249f123444509403f4fa4facDevang Patel 838448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 839cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 840c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 841448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 842e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 843e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 844448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 845c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 846448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 847448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 848c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 8490ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 850df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 851448d27cd795dc273249f123444509403f4fa4facDevang Patel } 852448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 853448d27cd795dc273249f123444509403f4fa4facDevang Patel} 854448d27cd795dc273249f123444509403f4fa4facDevang Patel 855214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 856214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 857214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 858214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 859214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 860214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 861cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 862214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 863214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 864214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 865214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 866214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 867214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 868214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 869214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 8700ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 871214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 872214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 873214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 874214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 875214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 876214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 877be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 878b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 87903153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 880be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 88103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 88203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 88303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 884be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 885be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 886b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 88703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 888be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 889be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 89003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 891be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 892448d27cd795dc273249f123444509403f4fa4facDevang Patel 8933799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 8943799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 8953799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8963799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 8973799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 8983799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 8993799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9003799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9013799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 9023799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9033799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9043799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9053799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9073799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 9083799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9103799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 9113799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 9123799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 9133799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9143799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9153799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 9163799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9183799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9193799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9203799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9213799f97d539f6c288d169063e1b335917fafcffbDevang Patel 92206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 92392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 92492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 92592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 926c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 92792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 92892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 9292c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 93092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 93192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 93292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 93392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 93492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 93592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 93692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 937badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 938badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 939badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 940b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 941badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 942f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 943f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 944893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 945badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 946badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 9472c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 9482c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 94992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 950e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 951e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 952e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 953e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 95492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 95592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 95692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 95792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 95892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 95992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 96092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 96153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 96253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 9632c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 96453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 96553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 966e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 967badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 968badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 969badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 970badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 971badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 972badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 97392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 97492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 97592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 97692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 97792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 97892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 97992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 98092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 98192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 98292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 983cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 984c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 985e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 986e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 98792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 988c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 98992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 99092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 991c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 9920ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 993df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 99492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 99592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 99692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 99792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 998be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 999b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 100003153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 1001be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 100203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 100303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 100403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 1005be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1006be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeFunctionPassManager && 1007b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 100803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 1009be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1010be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 101103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 1012be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 1013be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 101406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 101506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 101606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1017be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 1018b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel/// TODO : Replace this method with getAnalysisPass() 101903153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 1020be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 102103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 10222718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 102303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 102403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 102503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 1026be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 1027be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1028b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 1029b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1030b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1031f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1032b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1033a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 1034f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 1035b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 1036502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1037b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1038502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1039b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1040b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1041b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1042b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1043f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1044b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1045b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 1046b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 1047b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 1048b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 1049b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 1050b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1051b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1052b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 10535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 105406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 105506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 105606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 10575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 10585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1059f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 10605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 10635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 10645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 10655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 10665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 10675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 10685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 10695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 10725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 10735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 10745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 10755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 10765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1078