PassManager.cpp revision 37a6f7966c39f69a92419d37949a94a758c29e90
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() { 12937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 13037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 13137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassManagers.end(); I != E; ++I) 13237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 13337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 13437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<ImmutablePass *>::iterator 13537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 13637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 13737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1393f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1413e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1423e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1433e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1443e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1453e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1463e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1473e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1483e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1493e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1503e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 151a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel void addPassManager(Pass *Manager) { 152a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel PassManagers.push_back(Manager); 153a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel } 154a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel 155591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Add Manager into the list of managers that are not directly 156591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // maintained by this top level pass manager 1571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel inline void addIndirectPassManager(PMDataManager *Manager) { 1581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel IndirectPassManagers.push_back(Manager); 159591b1b7526ed9c099de23cc995853a250c20502fDevang Patel } 160591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 161ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this top level manager. 162ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPasses(); 163ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1643f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1683f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 169591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 170591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 1711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 172591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1733f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1743f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1753f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1763e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1773e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 1783e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 1793f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1803f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 181dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 182dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 1833f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 184419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 185419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 186419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 18785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 18885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 18985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 190f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 191dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 192dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 193dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 19437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel virtual ~PMDataManager() { 19537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 19637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 19737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassVector.end(); I != E; ++I) 19837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 19937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 20037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel PassVector.clear(); 20137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel } 20237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 20385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 20485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 20585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 20685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 20785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 208f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 20985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 21085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 21185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 21285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 21385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 214df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 21585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2164045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 217893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 218893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 219e253385b108cd946b1ac150302f246d3b218be77Devang Patel 220c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 221cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 222e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 223c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 224c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 225c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 226c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 227c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 228c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 229c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 230c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 231c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 232c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 233c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 234c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 235c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 236b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 23769867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 23869867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 23969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 24069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 241e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 242e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 243e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 244e253385b108cd946b1ac150302f246d3b218be77Devang Patel 245e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 246e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 247e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 248e253385b108cd946b1ac150302f246d3b218be77Devang Patel 249dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 250dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 251dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 252dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 253f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 254f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 255ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print list of passes that are last used by P. 256ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpLastUses(Pass *P, unsigned Offset) { 257ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 258ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel std::vector<Pass *> LUses; 259ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 260ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel assert (TPM && "Top Level Manager is missing"); 261ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel TPM->collectLastUses(LUses, P); 262ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 263ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 264ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = LUses.end(); I != E; ++I) { 265ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 266ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(0); 267ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 268ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 269ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 270e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 271e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 272e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 273e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 274e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 275e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 276e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 277e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 278e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 279e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 28085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2815770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2825770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2835770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2845770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 285b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 286e253385b108cd946b1ac150302f246d3b218be77Devang Patel 287e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 288e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 289dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 290f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 29185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 29285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2937e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2947e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// BasicBlockPassManager_New 2957e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 296c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 297c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 298c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 299419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 300abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 301c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 302c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 303f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel BasicBlockPassManager_New(int D) : PMDataManager(D) { } 304c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 307c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 308c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 309c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 310c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 311c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 31266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 31366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 31466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 31566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 31666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 317964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 318964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 319964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 320964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 321964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 322ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 323ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 324ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBLockPass Manager\n"; 325ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 326ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 327ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 328ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 329ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 330ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 331ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 333c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3347e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3357e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 3367e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 337c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 340c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 341eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 342eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 343eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 344c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 345f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 346c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 347c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 348c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 349c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 350eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 351145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 352c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 353145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 354145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 355145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 356145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 357145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 358689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 359c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 360689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 361c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 362c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 363c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 364eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 365eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 367c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 368c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 369c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 371877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 372e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 373877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 375c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 376c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 377c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 382214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 383c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 384c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3853799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3863799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3873799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3893799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3903799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3913799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 39266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 39366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 39466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 39566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 39666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 39766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 398ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 399ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 400ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 401ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 402ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 403ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 404ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 405ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 406ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 407ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 412c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4137e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4147e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// ModulePassManager_New 4157e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 416c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 417c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 418c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 419e16634065021e36ae31f074f623a636924d6b8d1Devang Patelclass ModulePassManager_New : public Pass, 420e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 421c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 422c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 423f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel ModulePassManager_New(int D) : PMDataManager(D) { 424f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 425f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 426c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 427c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 428c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 429c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 430c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 431c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 432c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 433be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 43466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 43566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 43666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 43766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 43866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 439ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 440ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 441ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 442ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 443ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 444ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 445ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 446ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 447ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 448ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 449c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 451c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 452c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 453c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4547e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4557e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 4567e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4577e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 458877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 459877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 460eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 464395ed739849a0507a2faae0829287c039c3589f8Devang Patel PassManagerImpl_New(int D) : PMDataManager(D) { 465395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 466395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 467f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 472877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 473e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 474877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 4755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 48066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 48166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 48266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 48366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 48466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 485eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 486145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 487c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 488145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 489145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 490145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 491145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 492145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 493689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 494c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 495689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 496145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 497c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 498c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 499eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 500eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5031209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 5085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 510c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 511c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 51206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 5161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 5171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 5391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 575d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 576d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 577d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 578d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 579d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 580d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 581d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 582d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 583d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 584d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 585d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 586d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 587d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 5881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 5891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 5961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 5971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 5981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 5991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 6001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 6011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 608ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 609ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patelvoid PMTopLevelManager::dumpPasses() { 610ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 611ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 612ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 613ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 614ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 615ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 616ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 617ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 618ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 619ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 620ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 621ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 623419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 624889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6252c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 626889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 627419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 628889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6294045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 6304045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 6314045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 6324045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 6334045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 6344045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 6354045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 636889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 637889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 638889739c4d188d28c167644bced9df0f3131317d7Devang Patel 639b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 640f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 641b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 642b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 643b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 644b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 645f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 646f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 647f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 648f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 649f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 650b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 651b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 652b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 653889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 654419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 65514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 65614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 65714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 65804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 65904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 66004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 66104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 662b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 66354e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 664b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 66514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 66614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 66754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel if (!dynamic_cast<ImmutablePass*>(I->second)) { 66854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 66954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel AvailableAnalysis.erase(J); 67054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 67154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 67254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 67354e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 67414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 675889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 676889739c4d188d28c167644bced9df0f3131317d7Devang Patel 677df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 678419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 679f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 680f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 681f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 682f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 683f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 684f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 685f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 686f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 687f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 688f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 689f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 690964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 691f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 692f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 693f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 694df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 695df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6964045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 697893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 69804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 69904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 700e253385b108cd946b1ac150302f246d3b218be77Devang Patel 701145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 702145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 703145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 704145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 705145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 706893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 707e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 708e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 709e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 710e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 711e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 712e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 713e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 714e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 715e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 716e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 717e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 718cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 719cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 720cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 721cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 722e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 723e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 724e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 725e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 726e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 727e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 728e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 729e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 730e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 731e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 732e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 733e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 734e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 735e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 736e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 7370ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 738893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 739893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7400ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 741893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 742e253385b108cd946b1ac150302f246d3b218be77Devang Patel 743e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 744e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 745e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 746e253385b108cd946b1ac150302f246d3b218be77Devang Patel 747c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 748c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 749c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 750c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 751c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 752c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 753c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 754c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 755c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 756c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 75769867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 758c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 759c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 760c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 76127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 76227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 76327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 76427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 76527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 76627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 76727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 76827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 769c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 770c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7722f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7732f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 776419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7773799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7783799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7792f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7802f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7812f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7822f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 78369867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 7842f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 7852f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 786298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 787298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 7882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 7892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 7902f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 79169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 79269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 79369867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 79469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 79569867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 79669867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 79769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 79869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 79969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 80069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 80169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 80269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 80369867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 80469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8055b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 80669867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 80769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 808f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 809f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 810f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 811f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 812f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 813f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 814f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 815f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 81606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 81706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 81855fd43f90913676682487f89f27c756adb827f66Devang Patel 8192c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 8202c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 82155fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8222c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 82355fd43f90913676682487f89f27c756adb827f66Devang Patel 82455fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 82555fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 82655fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 82755fd43f90913676682487f89f27c756adb827f66Devang Patel 82853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 82953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8302c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 83153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 83253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 833e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 83414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 83555fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 83655fd43f90913676682487f89f27c756adb827f66Devang Patel} 83755fd43f90913676682487f89f27c756adb827f66Devang Patel 83855fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 83955fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 84055fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 84155fd43f90913676682487f89f27c756adb827f66Devang Patelbool 84255fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 84355fd43f90913676682487f89f27c756adb827f66Devang Patel 8441fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 8451fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 8461fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 8473b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 848cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 849c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 85055fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 851e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 852e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 85355fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 85441545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 85555fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 85655fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 857c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 8580ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 859df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 86055fd43f90913676682487f89f27c756adb827f66Devang Patel } 8613b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 86255fd43f90913676682487f89f27c756adb827f66Devang Patel} 86355fd43f90913676682487f89f27c756adb827f66Devang Patel 864964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 865964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Module &M) { 866964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 867964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 868964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 869964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 870964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 871964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 872964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 873964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 874964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 875964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 876964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 877964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 878964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Module &M) { 879964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 880964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 881964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 882964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 883964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 884964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 885964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 886964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 887964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 888964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 889964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 890964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 891964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doInitialization(Function &F) { 892964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 893964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 894964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 895964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 896964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 897964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 898964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 899964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 900964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 901964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 902964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 903964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 904964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patelinline bool BasicBlockPassManager_New::doFinalization(Function &F) { 905964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 906964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 907964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 908964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 909964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 910964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 911964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 912964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 913964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 914964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 915964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 916964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 917964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 91806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 919448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 92006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 921c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 922cc132cd9feef765fe70284183c0f997b4faa5483Devang PatelFunctionPassManager_New::FunctionPassManager_New(ModuleProvider *P) { 923cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 924dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 925dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 926b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 927b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 928b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 929b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 930b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 931b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 932cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 933cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 934cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 93537a6f7966c39f69a92419d37949a94a758c29e90Devang PatelFunctionPassManager_New::~FunctionPassManager_New() { 93637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 93737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 93837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 939c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 940c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 941c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 942c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 943c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 944214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 945c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 946c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 947c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 948c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 949c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 950c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 951214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 952c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 953c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 954c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 955214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 956214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 957214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 958214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 959214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 960214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 961214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 962e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 963214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 964214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 965c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 966214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 967214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 968214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9693799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 9703799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 9713799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 9723799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 9733799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9743799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9753799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 9763799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 9773799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 9783799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 9793799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9803799f97d539f6c288d169063e1b335917fafcffbDevang Patel 98106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 982c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 983448d27cd795dc273249f123444509403f4fa4facDevang Patel 984448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 985448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 986448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 987448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 988c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 989448d27cd795dc273249f123444509403f4fa4facDevang Patel 990448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 991448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 992448d27cd795dc273249f123444509403f4fa4facDevang Patel 993badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 994448d27cd795dc273249f123444509403f4fa4facDevang Patel 995badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 996badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 997badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 998b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 999badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1000f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 1001f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new BasicBlockPassManager_New(getDepth() + 1); 1002dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1003dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 10041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 1006893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 10071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 10091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 10101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 10111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1012badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1013badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 10142c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 10152c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 1016448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1017e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1018e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1019e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1020e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1021448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1022448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1023448d27cd795dc273249f123444509403f4fa4facDevang Patel 1024448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1025448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1026448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1027448d27cd795dc273249f123444509403f4fa4facDevang Patel 102853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 102953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10302c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 103153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 103253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1033e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1034badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1035badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1036badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1037badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1038badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1039badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1040badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1041448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1042448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1043448d27cd795dc273249f123444509403f4fa4facDevang Patel 1044448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1045448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1046448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1047214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1048448d27cd795dc273249f123444509403f4fa4facDevang Patel 10494d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1050cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1051c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1052448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 105397856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 105497856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 10554d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 1056448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1057448d27cd795dc273249f123444509403f4fa4facDevang Patel 1058214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1059214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1060214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1061214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1062214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1063214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 10641fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10651fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 10661fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10671fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1068cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1069214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1070214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1071214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1072214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 107341545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1074214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 1075214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 1076214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 10770ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1078214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 1079214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1080214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1081214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1082214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1083214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10843799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 10853799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 10863799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10873799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 10883799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 10893799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 10903799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10913799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 10923799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 10933799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 10943799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10953799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 10963799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10973799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10983799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 10993799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11003799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11013799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 11023799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 11033799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 11043799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11053799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 11063799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11073799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11083799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11093799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11103799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11113799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1112c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1113c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1114c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1115c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1116c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1117c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1118c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 1119c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(*I); 1120c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1121c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1122c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1123c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1124c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 112506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 112692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 112792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 112892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1129c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 113092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 113192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11322c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 113392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 113492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 113592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 113692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 113769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 113892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1139badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1140badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1141badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1142b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1143badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1144f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1145f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 11461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1148893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 11491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1150dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1151dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 11521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeFunctionPassManager); 11551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1157591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1158badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11592c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 11602c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 116192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1162e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1163e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1164e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1165e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 116692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 116792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 116892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 116992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 117092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 117192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 117292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 117353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 117453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 11752c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 117653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 117753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1178e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1179badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1180badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1181badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1182badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1183badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1184badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 118592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 118692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 118792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 118892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 118992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 119092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 119192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 119292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 119392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 119492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1195cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1196c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1197e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1198e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 119992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 120041545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 120192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 120292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1203c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 12040ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1205df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 120692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 120792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 120892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 120992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 121006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 121106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 121237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1213b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1214b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1215f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1216b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1217a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 1218f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeManager = new ModulePassManager_New(getDepth() + 1); 1219dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1220dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1221145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1222145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1223145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1224145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1225145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1226145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1227a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1228502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1229b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1230502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1231b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1232b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1233b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1234b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1235f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1236b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1237b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 1238a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1239a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 1240a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel ModulePassManager_New *MP = dynamic_cast<ModulePassManager_New *>(*I); 1241a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1242b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1243b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1244b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 124606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 124706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 124806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 1251f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1252dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1253dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 125637a6f7966c39f69a92419d37949a94a758c29e90Devang PatelPassManager_New::~PassManager_New() { 125737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 125837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 125937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 12605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 12635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 12645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 12655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 12665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 12675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 12705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 12715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 12725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 12735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 12745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 1276