PassManager.cpp revision ebc0922eeb5b728d33a68d4bea8128413f62e369
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 891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelclass PMDataManager; 901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 913f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 923f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 933f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 943f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 953f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 963f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelclass PMTopLevelManager { 973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 1013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1023f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1033f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1043f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1093f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1103f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 111e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel void schedulePass(Pass *P); 1123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1133f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1143f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1163f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1173f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1183f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1193f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1203f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 12369867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. Search immutable 12469867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// passes and all pass managers. If desired pass is not found 12569867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 12669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID); 12769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1283f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 1293f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1303f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1313f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1323e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1333e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1343e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1353e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1363e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1373e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1383e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1393e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1403e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1413e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 142a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel void addPassManager(Pass *Manager) { 143a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel PassManagers.push_back(Manager); 144a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel } 145a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel 146591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Add Manager into the list of managers that are not directly 147591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // maintained by this top level pass manager 1481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel inline void addIndirectPassManager(PMDataManager *Manager) { 1491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel IndirectPassManagers.push_back(Manager); 150591b1b7526ed9c099de23cc995853a250c20502fDevang Patel } 151591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 152ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this top level manager. 153ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPasses(); 154ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1583f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 160591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 161591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 1621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 163591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1643f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1673e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1683e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1693e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1703f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 172dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 173dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 1743f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 175419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 176419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 177419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 17885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 17985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 18085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 181f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 182dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 183dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 184dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 18585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 18685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 18785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 18885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 18985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 190f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 19185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 19285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 19385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 19485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 19585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 196df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 19785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 1984045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 199893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 200893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 201e253385b108cd946b1ac150302f246d3b218be77Devang Patel 202c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 203cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 204e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 205c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 206c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 207c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 208c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 209c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 210c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 211c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 212c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 213c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 214c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 215c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 216c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 217c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 218b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 21969867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 22069867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 22169867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 22269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 223e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 224e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 225e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 226e253385b108cd946b1ac150302f246d3b218be77Devang Patel 227e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 228e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 229e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 230e253385b108cd946b1ac150302f246d3b218be77Devang Patel 231dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 232dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 233dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 234dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 235f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 236f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 237ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print list of passes that are last used by P. 238ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpLastUses(Pass *P, unsigned Offset) { 239ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 240ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel std::vector<Pass *> LUses; 241ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 242ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel assert (TPM && "Top Level Manager is missing"); 243ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel TPM->collectLastUses(LUses, P); 244ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 245ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 246ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = LUses.end(); I != E; ++I) { 247ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 248ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(0); 249ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 250ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 251ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 252e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 253e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 254e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 255e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 256e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 257e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 258e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 259e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 260e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 261e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 26285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2635770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2645770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2655770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2665770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 267b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 268e253385b108cd946b1ac150302f246d3b218be77Devang Patel 269e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 270e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 271dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 272f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 27385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 27485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2757e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2767e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// BasicBlockPassManager_New 2777e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 278c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 279c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 280c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 281419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 282abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 283c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 284c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 285f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 286c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 287c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 288c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 289c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 290c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 291c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 292c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 293c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 29466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 29566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 29666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 29766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 29866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 299964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 300964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 301964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 302964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 303964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 304ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 305ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 306ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBLockPass Manager\n"; 307ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 308ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 309ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 310ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 311ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 312ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 313ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 314c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 315c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3167e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3177e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 3187e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 319c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 320c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 321c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 322c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 323eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 324eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 325eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 326c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 327f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 330c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 331c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 332eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 333145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 334c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 335145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 336145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 337145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 338145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 339145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 340689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 341c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 342689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 343c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 344c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 345c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 346eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 347eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 348c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 349c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 350c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 351c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 352c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 353877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 354e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 355877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 358c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 359c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 360c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 364214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 365c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3673799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3683799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3693799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3713799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3723799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3733799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 37466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 37566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 37666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 37766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 37866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 37966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 380ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 381ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 382ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 383ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 384ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 385ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 386ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 387ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 388ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 389ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 390c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 392c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3957e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3967e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// ModulePassManager_New 3977e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 398c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 399c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 400c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 401e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 402e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 403c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 404c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 405f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 406f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 407f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 412c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 413c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 414c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 415be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 41666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 42066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 421ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 422ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 423ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 424ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 425ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 426ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 427ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 428ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 429ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 430ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 431c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 432c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 433c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 434c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 435c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4367e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4377e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 4387e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4397e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 440877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 441877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 442eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 446395ed739849a0507a2faae0829287c039c3589f8Devang Patel PassManagerImpl_New(int D) : PMDataManager(D) { 447395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 448395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 449f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 454877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 455e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 456877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 46266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 467eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 468145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 469c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 470145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 471145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 472145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 473145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 474145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 475689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 476c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 477689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 478145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 479c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 480c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 481eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 482eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 4845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4851209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 4865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 4875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 4895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 492c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 493c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 49406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 4981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 4991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 5021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 5051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 5071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 5101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 5171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 5181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 5441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 557d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 558d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 559d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 560d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 561d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 562d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 563d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 564d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 565d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 566d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 567d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 568d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 569d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 5781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 5791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 5801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 5811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 5821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 5831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 590ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 591ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patelvoid PMTopLevelManager::dumpPasses() { 592ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 593ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 594ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 595ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 596ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 597ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 598ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 599ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 600ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 601ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 602ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 603ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 6041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 605419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 606889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6072c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 608889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 609419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 610889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6114045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 6124045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 6134045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 6144045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 6154045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 6164045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 6174045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 618889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 619889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 620889739c4d188d28c167644bced9df0f3131317d7Devang Patel 621b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 622f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 623b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 624b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 625b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 626b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 627f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 628f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 629f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 630f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 631f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 632b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 633b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 634b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 635889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 636419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 63714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 63814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 63914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 64004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 64104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 64204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 64304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 644b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 64554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 646b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 64714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 64814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 64954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel if (!dynamic_cast<ImmutablePass*>(I->second)) { 65054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 65154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel AvailableAnalysis.erase(J); 65254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 65354e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 65454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 65554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 65614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 657889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 658889739c4d188d28c167644bced9df0f3131317d7Devang Patel 659df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 660419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 661f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 662f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 663f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 664f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 665f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 666f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 667f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 668f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 669f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 670f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 671f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 672964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 673f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 674f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 675f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 676df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 677df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6784045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 679893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 68004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 68104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 682e253385b108cd946b1ac150302f246d3b218be77Devang Patel 683145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 684145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 685145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 686145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 687145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 688893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 689e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 690e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 691e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 692e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 693e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 694e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 695e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 696e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 697e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 698e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 699e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 700cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 701cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 702cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 703cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 704e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 705e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 706e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 707e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 708e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 709e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 710e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 711e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 712e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 713e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 714e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 715e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 716e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 717e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 718e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 7190ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 720893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 721893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7220ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 723893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 724e253385b108cd946b1ac150302f246d3b218be77Devang Patel 725e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 726e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 727e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 728e253385b108cd946b1ac150302f246d3b218be77Devang Patel 729c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 730c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 731c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 732c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 733c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 734c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 735c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 736c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 737c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 738c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 73969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 740c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 741c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 742c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 74327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 74427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 74527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 74627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 74727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 74827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 74927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 75027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 751c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 752c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 758419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7593799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7603799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7632f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7642f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 76569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 7662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 7672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 768298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 769298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 7702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 7712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 7722f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 77369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 77469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 77569867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 77669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 77769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 77869867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 77969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 78069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 78169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 78269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 78369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 78469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 78569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 78669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 7875b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 78869867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 78969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 790f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 791f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 792f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 793f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 794f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 795f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 796f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 797f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 79806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 79906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 80055fd43f90913676682487f89f27c756adb827f66Devang Patel 8012c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 8022c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 80355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8042c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 80555fd43f90913676682487f89f27c756adb827f66Devang Patel 80655fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 80755fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 80855fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 80955fd43f90913676682487f89f27c756adb827f66Devang Patel 81053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 81153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8122c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 81353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 81453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 815e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 81614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 81755fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 81855fd43f90913676682487f89f27c756adb827f66Devang Patel} 81955fd43f90913676682487f89f27c756adb827f66Devang Patel 82055fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 82155fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 82255fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 82355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 82455fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 82555fd43f90913676682487f89f27c756adb827f66Devang Patel 8261fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 8271fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 8281fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 8293b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 830cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 831c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 83255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 833e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 834e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 83555fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 83641545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 83755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 83855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 839c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 8400ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 841df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 84255fd43f90913676682487f89f27c756adb827f66Devang Patel } 8433b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 84455fd43f90913676682487f89f27c756adb827f66Devang Patel} 84555fd43f90913676682487f89f27c756adb827f66Devang Patel 846964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 847964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Module &M) { 848964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 849964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 850964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 851964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 852964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 853964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 854964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 855964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 856964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 857964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 858964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 859964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 860964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Module &M) { 861964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 862964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 863964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 864964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 865964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 866964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 867964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 868964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 869964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 870964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 871964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 872964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 873964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Function &F) { 874964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 875964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 876964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 877964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 878964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 879964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 880964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 881964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 882964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 883964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 884964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 885964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 886964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Function &F) { 887964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 888964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 889964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 890964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 891964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 892964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 893964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 894964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 895964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 896964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 897964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 898964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 899964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 90006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 901448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 90206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 903c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 904c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 905f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 906c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 907c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 908cc132cd9feef765fe70284183c0f997b4faa5483Devang PatelFunctionPassManager_New::FunctionPassManager_New(ModuleProvider *P) { 909cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 910dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 911dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 912b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 913b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 914b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 915b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 916b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 917b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 918cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 919cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 920cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 921c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 922c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 923c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 924c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 925c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 926214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 927c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 928c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 929c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 930c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 931c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 932c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 933214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 934c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 935c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 936c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 937214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 938214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 939214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 940214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 941214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 942214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 943214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 944e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 945214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 946214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 947c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 948214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 949214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 950214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9513799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 9523799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 9533799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 9543799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 9553799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9573799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 9583799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 9593799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 9603799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 9613799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9623799f97d539f6c288d169063e1b335917fafcffbDevang Patel 96306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 964c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 965448d27cd795dc273249f123444509403f4fa4facDevang Patel 966448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 967448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 968448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 969448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 970c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 971448d27cd795dc273249f123444509403f4fa4facDevang Patel 972448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 973448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 974448d27cd795dc273249f123444509403f4fa4facDevang Patel 975badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 976448d27cd795dc273249f123444509403f4fa4facDevang Patel 977badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 978badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 979badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 980b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 981badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 982f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 983f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 984dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 985dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 9861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 9871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 988893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 9891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 9901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 9911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 9921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 9931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 994badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 995badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 9962c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 9972c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 998448d27cd795dc273249f123444509403f4fa4facDevang Patel } 999e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1000e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1001e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1002e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1003448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1004448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1005448d27cd795dc273249f123444509403f4fa4facDevang Patel 1006448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1007448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1008448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1009448d27cd795dc273249f123444509403f4fa4facDevang Patel 101053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 101153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10122c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 101353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 101453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1015e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1016badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1017badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1018badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1019badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1020badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1021badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1022badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1023448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1024448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1025448d27cd795dc273249f123444509403f4fa4facDevang Patel 1026448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1027448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1028448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1029214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1030448d27cd795dc273249f123444509403f4fa4facDevang Patel 10314d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1032cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1033c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1034448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 103597856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 103697856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 10374d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 1038448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1039448d27cd795dc273249f123444509403f4fa4facDevang Patel 1040214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1041214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1042214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1043214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1044214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1045214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 10461fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10471fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 10481fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10491fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1050cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1051214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1052214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1053214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1054214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 105541545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1056214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 1057214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 1058214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 10590ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1060214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 1061214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1062214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1063214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1064214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1065214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10663799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 10673799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 10683799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10693799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 10703799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 10713799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 10723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10733799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 10743799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 10753799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 10763799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10773799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 10783799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10793799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10803799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 10813799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 10823799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10833799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 10843799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 10853799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 10863799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10873799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 10883799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 10893799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 10903799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10913799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 10923799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10933799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1094c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1095c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1096c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1097c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1098c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1099c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1100c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 1101c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(*I); 1102c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1103c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1104c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1105c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1106c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 110706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 110892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 110992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 111092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1111c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 111292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 111392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11142c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 111592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 111692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 111792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 111892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 111969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 112092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1121badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1122badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1123badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1124b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1125badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1126f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1127f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 11281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1130893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 11311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1132dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1133dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 11341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeFunctionPassManager); 11371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1139591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1140badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11412c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 11422c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 114392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1144e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1145e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1146e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1147e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 114892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 114992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 115092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 115192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 115292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 115392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 115492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 115553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 115653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 11572c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 115853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 115953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1160e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1161badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1162badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1163badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1164badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1165badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1166badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 116792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 116892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 116992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 117092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 117192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 117292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 117392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 117492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 117592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 117692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1177cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1178c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1179e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1180e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 118192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 118241545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 118392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 118492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1185c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 11860ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1187df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 118892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 118992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 119092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 119192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 119206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 119306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 119406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1195b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 1196b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1197b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1198f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1199b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1200a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 1201f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 1202dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1203dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1204145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1205145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1206145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1207145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1208145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1209145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1210a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1211502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1212b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1213502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1214b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1215b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1216b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1217b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1218f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1219b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1220b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 1221a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1222a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 1223a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel ModulePassManager_New *MP = dynamic_cast<ModulePassManager_New *>(*I); 1224a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1225b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1226b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1227b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 122906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 123006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 123106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1234f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1235dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1236dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 12425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 12435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 12445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 12455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 12465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 12495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 12505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 12515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 12525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 12535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1255