PassManager.cpp revision 877bfbb9ef75e7fe333d93abecaf0579780ccf54
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 1555fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/PassManager.h" 1655fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 173799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 188f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 1985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 20b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 2155fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 2255fd43f90913676682487f89f27c756adb827f66Devang Patel 23e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 24e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Overview: 25e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// The Pass Manager Infrastructure manages passes. It's responsibilities are: 26e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Manage optimization pass execution order 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Make required Analysis information available before pass P is run 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Release memory occupied by dead passes 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o If Analysis information is dirtied by a pass then regenerate Analysis 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// information before it is consumed by another pass. 32e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Pass Manager Infrastructure uses multipe pass managers. They are PassManager, 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManager, ModulePassManager, BasicBlockPassManager. This class 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// hierarcy uses multiple inheritance but pass managers do not derive from 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// another pass manager. 37e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 38e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManager and FunctionPassManager are two top level pass manager that 39e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// represents the external interface of this entire pass manager infrastucture. 40e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 41e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Important classes : 42e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 43e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMTopLevelManager; 44e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 45e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Two top level managers, PassManager and FunctionPassManager, derive from 46e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMTopLevelManager. PMTopLevelManager manages information used by top level 47e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// managers such as last user info. 48e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 49e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMDataManager; 50e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 51e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager manages information, e.g. list of available analysis info, 52e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// used by a pass manager to manage execution order of passes. It also provides 53e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// a place to implement common pass manager APIs. All pass managers derive from 54e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager. 55e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 56e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class BasicBlockPassManager : public FunctionPass, public PMDataManager; 57e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 58e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// BasicBlockPassManager manages BasicBlockPasses. 59e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 60e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManager; 61e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 62e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by JIT to manage FunctionPasses. This 63e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// interface relies on FunctionPassManagerImpl to do all the tasks. 64e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 65e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager, 66e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMTopLevelManager; 67e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 68e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManagerImpl is a top level manager. It manages FunctionPasses 69e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// and BasicBlockPassManagers. 70e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 71e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class ModulePassManager : public Pass, public PMDataManager; 72e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 73e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManager manages ModulePasses and FunctionPassManagerImpls. 74e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 75e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManager; 76e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 77e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by various tools to manages passes. It 78e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// relies on PassManagerImpl to do all the tasks. 79e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 80e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManagerImpl : public Pass, public PMDataManager, 81e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMDTopLevelManager 82e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 83e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManagerImpl is a top level pass manager responsible for managing 84e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManagers. 85e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 86e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 87c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 88c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 893f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 903f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 913f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 923f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 933f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 943f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelclass PMTopLevelManager { 953f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 963f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1023f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1033f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1043f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 1093f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void schedulePass(Pass *P, Pass *PM); 1103f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1113f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1133f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1143f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1163f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1173f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1183f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1193f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1203f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1233f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1243f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1253e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1263e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1273e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1283e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1293e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1303e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1313e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1323e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1333e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1343e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1353f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1363f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1373f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1393f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1433e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1443e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1453e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1463f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1473f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1483f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Set pass P as the last user of the given analysis passes. 1493f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 1503f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1513f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1523f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel E = AnalysisPasses.end(); I != E; ++I) { 1543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *AP = *I; 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[AP] = P; 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // If AP is the last user of other passes then make P last user of 1573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // such passes. 1583f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == AP) 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[LUI->first] = P; 1623f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1633f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1643f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Collect passes whose last user is P 1683f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 1693f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1703f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 1723f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == P) 1733f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUses.push_back(LUI->first); 1743f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1753f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1761209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// Schedule pass P for execution. Make sure that passes required by 1771209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// P are run before P is run. Update analysis info maintained by 1781209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel/// the manager. Remove dead passes. This is a recursive function. 1791209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P, Pass *PM) { 1801209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1811209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // TODO : Allocate function manager for this pass, other wise required set 1821209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // may be inserted into previous function manager 1831209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1841209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisUsage AnUsage; 1851209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel P->getAnalysisUsage(AnUsage); 1861209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 1871209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 1881209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel E = RequiredSet.end(); I != E; ++I) { 1891209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1901209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel Pass *AnalysisPass = NULL; // FIXME PM->getAnalysisPass(*I, true); 1911209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel if (!AnalysisPass) { 1921209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Schedule this analysis run first. 1931209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel AnalysisPass = (*I)->createPass(); 1941209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel schedulePass(AnalysisPass, PM); 1951209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 1961209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel } 1971209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 1981209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel // Now all required passes are available. 1991209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel addTopLevelPass(P); 2001209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel} 2011209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 2021209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel 203dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 204dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 206419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 207419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 208419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 20985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 21085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 21185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 212dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMDataManager() : TPM(NULL) { 213dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 214dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 215dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 21685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 21785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 21885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 21985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 220b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel Pass *getAnalysisPass(AnalysisID AID) const { 221b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 222b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::const_iterator I = 223b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis.find(AID); 224b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 225b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (I != AvailableAnalysis.end()) 226b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return NULL; 227b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel else 228b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return I->second; 229be6d515f481756ff549f355e32be1ac398e141d5Devang Patel } 23085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 232f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 23385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 23585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 23685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 238df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 23985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2404045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 241893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 242893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 243e253385b108cd946b1ac150302f246d3b218be77Devang Patel 244cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel // Initialize available analysis information. 245cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 246c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 24703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel LastUser.clear(); 2481b17033bc741814777988b56f5e958355ceb0096Devang Patel 2491b17033bc741814777988b56f5e958355ceb0096Devang Patel // Include immutable passes into AvailableAnalysis vector. 2501b17033bc741814777988b56f5e958355ceb0096Devang Patel std::vector<ImmutablePass *> &ImmutablePasses = TPM->getImmutablePasses(); 2511b17033bc741814777988b56f5e958355ceb0096Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 2521b17033bc741814777988b56f5e958355ceb0096Devang Patel E = ImmutablePasses.end(); I != E; ++I) 2531b17033bc741814777988b56f5e958355ceb0096Devang Patel recordAvailableAnalysis(*I); 254c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 255c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 256b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // All Required analyses should be available to the pass as it runs! Here 257b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // we fill in the AnalysisImpls member of the pass so that it can 258b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // successfully use the getAnalysis() method to retrieve the 259b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // implementations it needs. 260b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // 2612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel void initializeAnalysisImpl(Pass *P); 262b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 263e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 264e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 265e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 266e253385b108cd946b1ac150302f246d3b218be77Devang Patel 267e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 268e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 269e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 270e253385b108cd946b1ac150302f246d3b218be77Devang Patel 271861967815396df9f8b01327197fd2715d2c7555cDevang Patel inline void setLastUser(Pass *P, Pass *LU) { 2722f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel LastUser[P] = LU; 2732f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO : Check if pass P is available. 2742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 27503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 276dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 277dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 278dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 279dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 28085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2815770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2825770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2835770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2845770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 285b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 286e253385b108cd946b1ac150302f246d3b218be77Devang Patel 28703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel // Map to keep track of last user of the analysis pass. 28803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel // LastUser->second is the last user of Lastuser->first. 28903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel std::map<Pass *, Pass *> LastUser; 29003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 291e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 292e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 293dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 294dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Top level manager. 295dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // TODO : Make it a reference. 296dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *TPM; 29785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 29885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 299c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 300c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 301c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 302419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 303abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 304c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New() { } 307c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 308c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 309c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 310c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 311c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 312c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 313c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 314c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 315be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 31603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 317be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 31866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 31966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 323c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 324c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 325c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 326c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 327c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 330eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 331eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 332eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 333c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 334c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P) { /* TODO */ } 335c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New() { 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 338c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 340eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 341eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 342eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 343eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 344c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 345c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 346c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 347c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 348c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 349877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 350877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 351877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 352c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 353c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 354c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 355c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 358c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 359c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 360214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 362be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 36303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 364be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 3653799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3663799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3673799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3683799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3693799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3703799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3713799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 37266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 37366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 37466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 37566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 37666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 37766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 382c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 383c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 384c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 385c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 386419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass ModulePassManager_New : public PMDataManager { 387c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 388c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 389c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel ModulePassManager_New() { activeFunctionPassManager = NULL; } 390c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 392c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 395c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 397be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 398be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 39903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 40066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 40166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 40266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 40366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 40466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 40566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 408c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 412877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 413877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 414eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 422877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 423877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel schedulePass(P, this); 424877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 430be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 43103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 432be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 43366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 43466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 43566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 43666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 43766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 438eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 439eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel addPass(P); 440eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 441eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 4435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4441209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 4455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 4465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 4485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 4495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 4515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 454c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 455c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 45606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 457419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 458889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4592c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 460889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 461419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 462889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4634045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4644045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4654045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4664045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4674045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4684045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4694045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 470889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 471889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 472889739c4d188d28c167644bced9df0f3131317d7Devang Patel 473b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 474f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 475b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 476b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 477b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 478b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 479f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 480f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 481f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 482f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 483f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 484b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 485b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 486b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 487889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 488419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 48914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 49014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 49114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 49204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 49304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 49404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 49504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 496b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 49714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 498b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 49914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 50014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 501b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 50214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 50314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 50414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 505889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 506889739c4d188d28c167644bced9df0f3131317d7Devang Patel 507df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 508419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 509df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 510df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel for (std::map<Pass *, Pass *>::iterator I = LastUser.begin(), 511df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel E = LastUser.end(); I !=E; ++I) { 512df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel if (I->second == P) { 513df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel Pass *deadPass = I->first; 514df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel deadPass->releaseMemory(); 515df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 516df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 517df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel AvailableAnalysis.find(deadPass->getPassInfo()); 518df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 519df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel assert (Pos != AvailableAnalysis.end() && 520df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel "Pass is not available"); 521df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel AvailableAnalysis.erase(Pos); 522df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel } 523df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel } 524df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 525df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5264045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 527893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 52804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 52904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 530e253385b108cd946b1ac150302f246d3b218be77Devang Patel 531893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 532893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Take a note of analysis required and made available by this pass 5334045af1175509c81d6a4708df233f0b1abe888fcDevang Patel initializeAnalysisImpl(P); 534f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 535893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel 536893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 537893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 538893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 539e253385b108cd946b1ac150302f246d3b218be77Devang Patel 540e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 541e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 542e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 543e253385b108cd946b1ac150302f246d3b218be77Devang Patel 5442f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 5452f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 5462f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 5472f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 5482f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 549419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 5503799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 5513799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 5522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 5532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 5542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 5552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 5562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel Pass *Impl = getAnalysisPass(*I); 5572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 5582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 5592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 5602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 5612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 5622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 56306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 56406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 56555fd43f90913676682487f89f27c756adb827f66Devang Patel 5662c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 5672c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 56855fd43f90913676682487f89f27c756adb827f66Devang Patelbool 5692c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 57055fd43f90913676682487f89f27c756adb827f66Devang Patel 57155fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 57255fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 57355fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 57455fd43f90913676682487f89f27c756adb827f66Devang Patel 57553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 57653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 5772c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 57853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 57953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 580e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 58114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 58255fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 58355fd43f90913676682487f89f27c756adb827f66Devang Patel} 58455fd43f90913676682487f89f27c756adb827f66Devang Patel 58555fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 58655fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 58755fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 58855fd43f90913676682487f89f27c756adb827f66Devang Patelbool 58955fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 59055fd43f90913676682487f89f27c756adb827f66Devang Patel 59155fd43f90913676682487f89f27c756adb827f66Devang Patel bool Changed = false; 592cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 593c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 59455fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 595e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 596e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 59755fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 598c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 599f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 60055fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 60155fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 602c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 603df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 60455fd43f90913676682487f89f27c756adb827f66Devang Patel } 60555fd43f90913676682487f89f27c756adb827f66Devang Patel return Changed; 60655fd43f90913676682487f89f27c756adb827f66Devang Patel} 60755fd43f90913676682487f89f27c756adb827f66Devang Patel 608be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 60903153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 61003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 611be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 612be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 61306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 614448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 61506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 616c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 617c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 618c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM = new FunctionPassManagerImpl_New(); 619c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 620c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 621c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 622c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 623c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 624c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 625c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 626214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 627c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 628c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 629c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 630c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 631c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 632c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 633214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 634c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 635c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 636c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 637214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 638214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 639214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 640214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 641214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 642214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 643214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 644e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 645214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 646214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 647214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 648214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 649214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 650214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 6513799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 6523799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 6533799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 6543799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 6553799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 6563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 6573799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 6583799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 6593799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 6603799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 6613799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 6623799f97d539f6c288d169063e1b335917fafcffbDevang Patel 66306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 664c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 665448d27cd795dc273249f123444509403f4fa4facDevang Patel 666448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 667448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 668448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 669448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 670c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 671448d27cd795dc273249f123444509403f4fa4facDevang Patel 672448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 673448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 674448d27cd795dc273249f123444509403f4fa4facDevang Patel 675448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!activeBBPassManager 676448d27cd795dc273249f123444509403f4fa4facDevang Patel || !activeBBPassManager->addPass(BP)) { 677448d27cd795dc273249f123444509403f4fa4facDevang Patel 678448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = new BasicBlockPassManager_New(); 679893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 6802c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 6812c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 682448d27cd795dc273249f123444509403f4fa4facDevang Patel } 683448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 684448d27cd795dc273249f123444509403f4fa4facDevang Patel } 685448d27cd795dc273249f123444509403f4fa4facDevang Patel 686448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 687448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 688448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 689448d27cd795dc273249f123444509403f4fa4facDevang Patel 69053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 69153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 6922c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 69353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 69453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 695e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 696448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = NULL; 697448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 698448d27cd795dc273249f123444509403f4fa4facDevang Patel} 699448d27cd795dc273249f123444509403f4fa4facDevang Patel 700448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 701448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 702448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 703214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 704448d27cd795dc273249f123444509403f4fa4facDevang Patel 705448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 706cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 707c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 708448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 709e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 710e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 711448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 712c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 713f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 714448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 715448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 716c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 717df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 718448d27cd795dc273249f123444509403f4fa4facDevang Patel } 719448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 720448d27cd795dc273249f123444509403f4fa4facDevang Patel} 721448d27cd795dc273249f123444509403f4fa4facDevang Patel 722214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 723214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 724214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 725214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 726214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 727214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 728cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 729214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 730214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 731214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 732214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 733214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 734f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 735214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 736214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 737214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 738214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 739214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 740214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 741214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 742214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 743214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 744be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 74503153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 746be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 74703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 74803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 74903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 750be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 751be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 752b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 75303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 754be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 755be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 75603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 757be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 758448d27cd795dc273249f123444509403f4fa4facDevang Patel 7593799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 7603799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 7613799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7623799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 7633799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 7643799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 7653799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7663799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 7673799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 7683799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 7693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 7713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7733799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 7743799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 7753799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7763799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 7773799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 7783799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 7793799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7803799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 7813799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 7823799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 7833799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7843799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7853799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 7863799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7873799f97d539f6c288d169063e1b335917fafcffbDevang Patel 78806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 78992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 79092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 79192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 792c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 79392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 79492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 7952c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 79692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 79792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 79892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 79992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 80092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 80192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 80292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 80392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 80492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 805c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel activeFunctionPassManager = new FunctionPassManagerImpl_New(); 806893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 8072c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 8082c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 80992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 81092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 81192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 81292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 81392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 81492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 81592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 81692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang 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(MP); 82392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 82492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 82592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 82692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 82792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 82892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 82992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 83092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 83192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 83292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 83392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 834cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 835c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 836e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 837e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 83892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 839c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 840f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 84192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 84292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 843c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 844df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 84592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 84692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 84792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 84892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 849be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 85003153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 851be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 85203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 85303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 85403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 85503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 856be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 857be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeFunctionPassManager && 858b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 85903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 860be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 861be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 86203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 863be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 864be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 86506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 86606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 86706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 868be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 86903153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 870be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 87103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 8722718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 87303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 87403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 87503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 876be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 877be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 878b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 879b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 880b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 881f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 882b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 883a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 884b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel activeManager = new ModulePassManager_New(); 885b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 886b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 887b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 888b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return activeManager->addPass(P); 889b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 890b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 891b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 892b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 893f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 894b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 895b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 896b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 897b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 898b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 899b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 900b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 901b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 902b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 9035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 90406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 90506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 90606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 9075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 9085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 9095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM = new PassManagerImpl_New(); 9105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 9125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 9135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 9145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 9155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 9165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 9175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 9185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 9195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 9215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 9225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 9235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 9245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 9255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 9265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 928