PassManager.cpp revision d0fa16c33615bb6f21685c4e4e3d948ac6780160
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 1523f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 157591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 158591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 1591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 160591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1623f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1633f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1643e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1653e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1663e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1683f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 169dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 170dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 172419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 173419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 174419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 17585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 17685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 17785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 178f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 179dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 180dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 181dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 18285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 18385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 18485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 18585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 18685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 187f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 18885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 18985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 19085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 19185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 19285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 193df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 19485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 1954045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 196893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 197893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 198e253385b108cd946b1ac150302f246d3b218be77Devang Patel 199c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 200cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 201e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 202c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 2031b17033bc741814777988b56f5e958355ceb0096Devang Patel 2041b17033bc741814777988b56f5e958355ceb0096Devang Patel // Include immutable passes into AvailableAnalysis vector. 2051b17033bc741814777988b56f5e958355ceb0096Devang Patel std::vector<ImmutablePass *> &ImmutablePasses = TPM->getImmutablePasses(); 2061b17033bc741814777988b56f5e958355ceb0096Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 2071b17033bc741814777988b56f5e958355ceb0096Devang Patel E = ImmutablePasses.end(); I != E; ++I) 2081b17033bc741814777988b56f5e958355ceb0096Devang Patel recordAvailableAnalysis(*I); 209c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 210c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 211c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 212c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 213c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 214c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 215c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 216c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 217c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 218c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 219c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 220c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 221b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 22269867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 22369867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 22469867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 22569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 226e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 227e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 228e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 229e253385b108cd946b1ac150302f246d3b218be77Devang Patel 230e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 231e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 232e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 233e253385b108cd946b1ac150302f246d3b218be77Devang Patel 234dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 235dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 236dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 237dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 238f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 239f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 240e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 241e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 242e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 243e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 244e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 245e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 246e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 247e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 248e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 249e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 25085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2515770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2525770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2535770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2545770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 255b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 256e253385b108cd946b1ac150302f246d3b218be77Devang Patel 257e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 258e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 259dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 260f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 26185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 26285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2637e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2647e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// BasicBlockPassManager_New 2657e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 266c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 267c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 268c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 269419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 270abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 271c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 272c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 273f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 274c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 275c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 276c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 277c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 278c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 279c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 280c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 281c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 28266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 28366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 28466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 28566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 28666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 287964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 288964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 289964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 290964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 291964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 292c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 293c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2947e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2957e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 2967e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 297c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 298c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 299c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 300c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 301eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 302eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 303eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 304c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 305f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P, int D) : 306f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(D) { /* TODO */ } 307f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 308c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 309c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 310c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 311c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 312eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 313145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 314c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 315145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 316145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 317145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 318145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 319145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 320689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 321c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 322689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 323c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 324c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 325c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 326eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 327eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 330c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 331c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 333877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 334e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 335877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 340c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 341c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 342c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 343c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 344214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 345c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 346c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3473799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3483799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3493799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3503799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3513799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3523799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3533799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 35466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 35566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 35666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 35766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 35866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 35966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 360c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 364c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3657e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3667e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// ModulePassManager_New 3677e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 368c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 369c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 371e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 372e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 373c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 375f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 376f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 377f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 382c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 383c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 384c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 385be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 38666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 38766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 38866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 38966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 39066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 391c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 392c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 393c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 395c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3967e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3977e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 3987e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3997e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 400877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 401877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 402eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 406f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PassManagerImpl_New(int D) : PMDataManager(D) {} 407f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 412877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 413e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 414877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 42066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 42166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 42266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 42366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 42466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 425eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 426145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 427c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 428145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 429145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 430145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 431145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 432145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 433689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 434c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 435689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 436145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 437c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 438c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 439eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 440eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 4425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4431209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 4445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 4455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 4475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 451c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 45206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 4571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 4581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 4601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 4631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 4651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 4681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 4751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 4761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 4771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 4891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 4901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 5001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 5011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 5021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 515d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 516d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 517d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 518d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 519d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 520d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 521d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 522d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 523d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 524d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 525d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 526d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 527d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 5391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 549419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 550889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5512c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 552889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 553419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 554889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5554045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5564045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5574045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5584045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5594045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5604045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5614045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 562889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 563889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 564889739c4d188d28c167644bced9df0f3131317d7Devang Patel 565b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 566f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 567b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 568b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 569b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 570b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 571f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 572f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 573f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 574f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 575f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 576b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 577b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 578b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 579889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 580419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 58114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 58214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 58314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 58404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 58504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 58604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 58704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 588b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 58914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 590b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 59114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 59214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 593b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 59414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 59514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 59614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 597889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 598889739c4d188d28c167644bced9df0f3131317d7Devang Patel 599df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 600419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 601f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 602f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 603f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 604f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 605f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 606f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 607f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 608f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 609f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 610f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 611f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 612964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 613f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 614f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 615f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 616df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 617df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6184045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 619893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 62004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 62104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 622e253385b108cd946b1ac150302f246d3b218be77Devang Patel 623145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 624145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 625145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 626145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 627145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 628893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 629e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 630e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 631e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 632e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 633e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 634e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 635e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 636e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 637e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 638e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 639e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 640cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 641cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 642cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 643cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 644e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 645e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 646e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 647e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 648e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 649e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 650e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 651e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 652e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 653e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 654e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 655e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 656e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 657e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 658e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 6590ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 660893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 661893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 6620ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 663893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 664e253385b108cd946b1ac150302f246d3b218be77Devang Patel 665e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 666e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 667e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 668e253385b108cd946b1ac150302f246d3b218be77Devang Patel 669c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 670c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 671c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 672c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 673c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 674c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 675c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 676c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 677c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 678c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 67969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 680c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 681c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 682c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 683c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 684c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 6852f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 6862f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 6872f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 6882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 6892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 690419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 6913799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6923799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6932f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6942f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6952f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 69769867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 6982f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6992f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 700298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 701298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 7022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 7032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 7042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 70569867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 70669867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 70769867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 70869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 70969867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 71069867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 71169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 71269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 71369867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 71469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 71569867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 71669867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 71769867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 71869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 7195b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 72069867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 72169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 722f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 723f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 724f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 725f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 726f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 727f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 728f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 729f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 73006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 73106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 73255fd43f90913676682487f89f27c756adb827f66Devang Patel 7332c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 7342c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 73555fd43f90913676682487f89f27c756adb827f66Devang Patelbool 7362c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 73755fd43f90913676682487f89f27c756adb827f66Devang Patel 73855fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 73955fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 74055fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 74155fd43f90913676682487f89f27c756adb827f66Devang Patel 74253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 74353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 7442c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 74553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 74653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 747e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 74814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 74955fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 75055fd43f90913676682487f89f27c756adb827f66Devang Patel} 75155fd43f90913676682487f89f27c756adb827f66Devang Patel 75255fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 75355fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 75455fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 75555fd43f90913676682487f89f27c756adb827f66Devang Patelbool 75655fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 75755fd43f90913676682487f89f27c756adb827f66Devang Patel 7583b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 759cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 760c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 76155fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 762e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 763e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 76455fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 765c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 76655fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 76755fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 768c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 7690ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 770df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 77155fd43f90913676682487f89f27c756adb827f66Devang Patel } 7723b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 77355fd43f90913676682487f89f27c756adb827f66Devang Patel} 77455fd43f90913676682487f89f27c756adb827f66Devang Patel 775964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 776964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Module &M) { 777964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 778964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 779964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 780964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 781964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 782964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 783964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 784964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 785964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 786964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 787964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 788964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 789964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Module &M) { 790964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 791964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 792964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 793964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 794964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 795964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 796964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 797964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 798964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 799964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 800964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 801964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 802964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Function &F) { 803964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 804964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 805964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 806964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 807964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 808964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 809964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 810964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 811964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 812964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 813964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 814964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 815964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Function &F) { 816964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 817964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 818964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 819964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 820964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 821964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 822964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 823964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 824964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 825964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 826964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 827964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 828964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 82906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 830448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 83106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 832c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 833c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 834f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FPM = new FunctionPassManagerImpl_New(0); 835c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 836c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 837cc132cd9feef765fe70284183c0f997b4faa5483Devang PatelFunctionPassManager_New::FunctionPassManager_New(ModuleProvider *P) { 838cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 839dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 840dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 841cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 842cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 843cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 844c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 845c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 846c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 847c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 848c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 849214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 850c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 851c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 852c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 853c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 854c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 855c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 856214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 857c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 858c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 859c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 860214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 861214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 862214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 863214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 864214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 865214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 866214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 867e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 868214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 869214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 870c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 871214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 872214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 873214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 8743799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 8753799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8763799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 8773799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 8783799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8793799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8803799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 8813799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8823799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 8833799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 8843799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8853799f97d539f6c288d169063e1b335917fafcffbDevang Patel 88606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 887c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 888448d27cd795dc273249f123444509403f4fa4facDevang Patel 889448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 890448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 891448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 892448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 893c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 894448d27cd795dc273249f123444509403f4fa4facDevang Patel 895448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 896448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 897448d27cd795dc273249f123444509403f4fa4facDevang Patel 898badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 899448d27cd795dc273249f123444509403f4fa4facDevang Patel 900badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 901badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 902badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 903b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 904badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 905f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 906f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 907dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 908dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 9091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 9101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 911893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 9121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 9131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 9141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 9151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 9161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 917badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 918badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 9192c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 9202c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 921448d27cd795dc273249f123444509403f4fa4facDevang Patel } 922e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 923e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 924e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 925e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 926448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 927448d27cd795dc273249f123444509403f4fa4facDevang Patel } 928448d27cd795dc273249f123444509403f4fa4facDevang Patel 929448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 930448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 931448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 932448d27cd795dc273249f123444509403f4fa4facDevang Patel 93353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 93453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 9352c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 93653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 93753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 938e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 939badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 940badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 941badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 942badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 943badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 944badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 945badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 946448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 947448d27cd795dc273249f123444509403f4fa4facDevang Patel} 948448d27cd795dc273249f123444509403f4fa4facDevang Patel 949448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 950448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 951448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 952214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 953448d27cd795dc273249f123444509403f4fa4facDevang Patel 9544d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 955cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 956c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 957448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 95897856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 95997856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 9604d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 961448d27cd795dc273249f123444509403f4fa4facDevang Patel} 962448d27cd795dc273249f123444509403f4fa4facDevang Patel 963214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 964214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 965214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 966214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 967214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 968214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 969cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 970214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 971214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 972214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 973214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 974214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 975214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 976214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 977214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 9780ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 979214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 980214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 981214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 982214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 983214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 984214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9853799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 9863799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9873799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9883799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 9893799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 9903799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 9913799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9923799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 9933799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 9943799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9953799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9963799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9973799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9983799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9993799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 10003799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 10013799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10023799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 10033799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 10043799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 10053799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10063799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 10073799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 10083799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 10093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10103799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 10113799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1013c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1014c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1015c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1016c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1017c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1018c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1019c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 1020c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(*I); 1021c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1022c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1023c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1024c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1025c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 102606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 102792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 102892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 102992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1030c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 103192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 103292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 10332c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 103492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 103592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 103692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 103792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 103869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 103992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1040badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1041badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1042badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1043b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1044badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1045f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1046f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 10471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1049893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 10501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1051dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1052dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 10531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 10551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeFunctionPassManager); 10561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 10571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1058591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1059badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 10602c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 10612c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 106292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1063e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1064e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1065e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1066e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 106792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 106892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 106992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 107092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 107192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 107292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 107392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 107453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 107553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10762c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 107753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 107853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1079e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1080badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1081badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1082badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1083badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1084badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1085badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 108692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 108792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 108892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 108992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 109092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 109192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 109292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 109392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 109492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 109592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1096cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1097c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1098e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1099e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 110092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 1101c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 110292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 110392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1104c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 11050ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1106df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 110792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 110892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 110992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 111092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 111106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 111206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 111306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1114b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 1115b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1116b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1117f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1118b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1119a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 1120f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 1121dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1122dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1123145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1124145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1125145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1126145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1127145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1128145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1129a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1130502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1131b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1132502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1133b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1134b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1135b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1136b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1137f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1138b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1139b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 1140a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1141a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 1142a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel ModulePassManager_New *MP = dynamic_cast<ModulePassManager_New *>(*I); 1143a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1144b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1145b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1146b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 11475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 114806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 114906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 115006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 11515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 11525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1153f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1154dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1155dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 11565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 11595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 11605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 11615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 11625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 11635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 11645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 11655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 11685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 11695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 11705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 11715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 11725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1174