PassManager.cpp revision 45dc02d6f97447785ee7ffe08c36a34bc8921b0b
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" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 1755fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 183799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 198f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 2085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 21b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 2255fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 2355fd43f90913676682487f89f27c756adb827f66Devang Patel 24e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 25e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Overview: 26e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// The Pass Manager Infrastructure manages passes. It's responsibilities are: 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Manage optimization pass execution order 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Make required Analysis information available before pass P is run 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Release memory occupied by dead passes 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o If Analysis information is dirtied by a pass then regenerate Analysis 32e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// information before it is consumed by another pass. 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Pass Manager Infrastructure uses multipe pass managers. They are PassManager, 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManager, ModulePassManager, BasicBlockPassManager. This class 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// hierarcy uses multiple inheritance but pass managers do not derive from 37e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// another pass manager. 38e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 39e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManager and FunctionPassManager are two top level pass manager that 40e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// represents the external interface of this entire pass manager infrastucture. 41e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 42e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Important classes : 43e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 44e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMTopLevelManager; 45e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 46e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Two top level managers, PassManager and FunctionPassManager, derive from 47e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMTopLevelManager. PMTopLevelManager manages information used by top level 48e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// managers such as last user info. 49e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 50e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMDataManager; 51e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 52e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager manages information, e.g. list of available analysis info, 53e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// used by a pass manager to manage execution order of passes. It also provides 54e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// a place to implement common pass manager APIs. All pass managers derive from 55e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager. 56e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 57e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class BasicBlockPassManager : public FunctionPass, public PMDataManager; 58e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 59e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// BasicBlockPassManager manages BasicBlockPasses. 60e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 61e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManager; 62e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 63e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by JIT to manage FunctionPasses. This 64e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// interface relies on FunctionPassManagerImpl to do all the tasks. 65e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 66e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager, 67e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMTopLevelManager; 68e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 69e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManagerImpl is a top level manager. It manages FunctionPasses 70e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// and BasicBlockPassManagers. 71e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 72e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class ModulePassManager : public Pass, public PMDataManager; 73e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 74e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManager manages ModulePasses and FunctionPassManagerImpls. 75e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 76e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManager; 77e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 78e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by various tools to manages passes. It 79e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// relies on PassManagerImpl to do all the tasks. 80e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 81e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManagerImpl : public Pass, public PMDataManager, 82e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMDTopLevelManager 83e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 84e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManagerImpl is a top level pass manager responsible for managing 85e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManagers. 86e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 87e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 8845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 8945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 9045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 9145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 9245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 9345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 9445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 9545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 9645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 9745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 9845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang PatelPassDebugging_New("debug-pass", cl::Hidden, 9945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 10045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 10145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumVal(PDLNone , "disable debug output"), 10245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumVal(PDLArguments , "print pass arguments to pass to 'opt'"), 10345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumVal(PDLStructure , "print pass structure before run()"), 10445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumVal(PDLExecutions, "print pass name before it is executed"), 10545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumVal(PDLDetails , "print pass details when it is executed"), 10645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 10745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 10845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1093162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#ifndef USE_OLD_PASSMANAGER 110c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 111c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelclass PMDataManager; 1131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1143f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 1163f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 1173f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 1183f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 1193f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelclass PMTopLevelManager { 1203f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1233f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 1243f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1253f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1263f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1273f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1283f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1293f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1303f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1313f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1323f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1333f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 134e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel void schedulePass(Pass *P); 1353f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1363f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1373f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1393f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1433f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1443f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1453f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 14669867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. Search immutable 14769867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// passes and all pass managers. If desired pass is not found 14869867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 14969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID); 15069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1513162691f69f85f740bc28f3ddca39b166d35187cDevang Patel inline void clearManagers() { 1523162691f69f85f740bc28f3ddca39b166d35187cDevang Patel PassManagers.clear(); 1533162691f69f85f740bc28f3ddca39b166d35187cDevang Patel } 1543162691f69f85f740bc28f3ddca39b166d35187cDevang Patel 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 15637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 15837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassManagers.end(); I != E; ++I) 15937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 16037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 16137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<ImmutablePass *>::iterator 16237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 16337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 16437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1663f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1673f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1683e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1693e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1703e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1713e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1723e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1733e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1743e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1753e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1763e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1773e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 178a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel void addPassManager(Pass *Manager) { 179a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel PassManagers.push_back(Manager); 180a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel } 181a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel 182591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Add Manager into the list of managers that are not directly 183591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // maintained by this top level pass manager 1841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel inline void addIndirectPassManager(PMDataManager *Manager) { 1851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel IndirectPassManagers.push_back(Manager); 186591b1b7526ed9c099de23cc995853a250c20502fDevang Patel } 187591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 188ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this top level manager. 189ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPasses(); 190ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1913f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1923f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1933f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1943f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1953f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 196591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 197591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 1981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 199591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 2003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 2013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 2023f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 2033e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 2043e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 2053e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 2063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 2073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 208dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 209dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2103f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 211419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 212419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 213419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 21485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 21585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 21685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 217f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 218dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 219dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 220dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 22137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel virtual ~PMDataManager() { 22237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 22337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 22437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassVector.end(); I != E; ++I) 22537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 22637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 22737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel PassVector.clear(); 22837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel } 22937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 23185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 23285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 23385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 235f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 23685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 23885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 23985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 241df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 24285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2434045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 244893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 245893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 246e253385b108cd946b1ac150302f246d3b218be77Devang Patel 247c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 248cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 249e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 250c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 251c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 252c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 253c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 254c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 255c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 256c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 257c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 258c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 259c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 260c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 261c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 262c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 263b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 26469867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 26569867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 26669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 26769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 268e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 269e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 270e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 271e253385b108cd946b1ac150302f246d3b218be77Devang Patel 272e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 273e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 274e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 275e253385b108cd946b1ac150302f246d3b218be77Devang Patel 276dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 277dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 278dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 279dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 280f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 281f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 282ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print list of passes that are last used by P. 283ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpLastUses(Pass *P, unsigned Offset) { 284ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 285ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel std::vector<Pass *> LUses; 286ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 287ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel assert (TPM && "Top Level Manager is missing"); 288ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel TPM->collectLastUses(LUses, P); 289ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 290ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 291ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = LUses.end(); I != E; ++I) { 292ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 293ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(0); 294ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 295ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 296ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 297e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 298e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 299e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 300e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 301e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 302e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 303e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 304e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 305e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 306e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 30785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3085770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3095770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3105770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3115770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 312b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 313e253385b108cd946b1ac150302f246d3b218be77Devang Patel 314e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 315e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 316dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 317f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 31885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 31985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3207e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3213162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager 3227e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3233162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// BasicBlockPassManager manages BasicBlockPass. It batches all the 324c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 325c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 3263162691f69f85f740bc28f3ddca39b166d35187cDevang Patelclass BasicBlockPassManager : public PMDataManager, 327abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3303162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager(int D) : PMDataManager(D) { } 331c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 333c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 334c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 335c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 33966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 34066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 34166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 34266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 34366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 344964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 345964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 346964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 347964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 348964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 349ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 350ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 351ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBLockPass Manager\n"; 352ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 353ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 354ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 355ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 356ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 357ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 358ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 359c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 360c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3617e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3627e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 3637e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 364c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 365c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 367c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 368eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 369eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 370eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 371c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 372f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 373c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 375c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 376c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 377eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 378145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 379c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 380145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 381145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 382145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 383145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 384145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 385689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 386c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 387689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 388c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 389c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 390c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 391eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 392eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 394c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 395c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 397c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 398877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 399e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 400877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 401c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 402c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 403c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 404c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 405c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 409214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 410c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4123799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4133799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4143799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4153799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4163799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4173799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4183799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 41966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 42066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 42166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 42266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 42366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 42466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 425ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 426ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 427ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 428ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 429ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 430ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 431ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 432ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 433ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 434ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 435c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 436c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 4373162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager *activeBBPassManager; 438c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 439c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4407e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4413162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// ModulePassManager 4427e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4433162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// ModulePassManager manages ModulePasses and function pass managers. 444c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 445c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 4463162691f69f85f740bc28f3ddca39b166d35187cDevang Patelclass ModulePassManager : public Pass, 447e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 448c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 449c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 4503162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager(int D) : PMDataManager(D) { 451f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 452f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 453c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 454c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 455c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 456c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 457c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 458c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 459c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 460be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 46166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 466ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 467ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 468ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 469ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 470ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 472ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 473ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 474ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 475ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 476c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 477c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 478c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 479c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 480c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4817e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4827e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 4837e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4847e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 485877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 486877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 487eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 491395ed739849a0507a2faae0829287c039c3589f8Devang Patel PassManagerImpl_New(int D) : PMDataManager(D) { 492395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 493395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 494f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 499877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 500e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 501877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 5025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 5045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 5055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 5065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 50766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 50866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 50966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 51066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 51166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 512eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 513145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 514c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 515145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 516145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 517145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 518145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 519145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 520689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 521c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 522689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 523145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 524c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 525c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 526eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 527eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5301209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5343162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *activeManager; 5355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 537c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 538c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 53906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 5441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 5761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 5771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 5791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 5801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 5811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 5821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 5831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 5851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 5881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 5891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 602d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 603d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 604d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 605d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 606d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 607d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 608d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 609d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 610d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 611d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 612d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 613d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 614d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 6151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 6231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 6241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 6251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 6261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 6271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 6281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 635ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 636ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patelvoid PMTopLevelManager::dumpPasses() { 637ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 638ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 639ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 640ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 641ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 642ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 643ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 644ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 645ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 646ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 647ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 648ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 6491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 650419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 651889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6522c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 653889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 654419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 655889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6564045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 6574045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 6584045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 6594045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 6604045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 6614045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 6624045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 663889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 664889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 665889739c4d188d28c167644bced9df0f3131317d7Devang Patel 666b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 667f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 668b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 669b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 670b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 671b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 672f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 673f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 674f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 675f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 676f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 677b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 678b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 679b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 680889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 681419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 68214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 68314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 68414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 68504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 68604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 68704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 68804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 689b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 69054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 691b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 69214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 69314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 69454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel if (!dynamic_cast<ImmutablePass*>(I->second)) { 69554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 69654e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel AvailableAnalysis.erase(J); 69754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 69854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 69954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 70054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 70114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 702889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 703889739c4d188d28c167644bced9df0f3131317d7Devang Patel 704df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 705419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 706f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 707f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 708f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 709f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 710f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 711f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 712f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 713f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 714f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 715f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 716f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 717964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 718f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 719f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 720f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 721df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 722df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 7234045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 724893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 72504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 72604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 727e253385b108cd946b1ac150302f246d3b218be77Devang Patel 728145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 729145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 730145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 731145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 732145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 733893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 734e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 735e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 736e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 737e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 738e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 739e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 740e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 741e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 742e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 743e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 744e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 745cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 746cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 747cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 748cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 749e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 750e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 751e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 752e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 753e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 754e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 755e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 756e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 757e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 758e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 759e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 760e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 761e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 762e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 763e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 7640ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 765893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 766893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7670ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 768893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 769e253385b108cd946b1ac150302f246d3b218be77Devang Patel 770e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 771e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 772e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 773e253385b108cd946b1ac150302f246d3b218be77Devang Patel 774c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 775c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 776c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 777c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 778c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 779c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 780c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 781c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 782c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 783c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 78469867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 785c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 786c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 787c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 78827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 78927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 79027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 79127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 79227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 79327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 79427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 79527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 796c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 797c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7982f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7992f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 8002f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 8012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 8022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 803419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 8043799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 8053799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 8062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 8072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 8082f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 8092f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 81069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 8122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 813298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 814298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8152f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8162f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8172f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 81869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 81969867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 82069867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 82169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 82369867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 82469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82569867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 82669867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 82769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82869867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 82969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 83069867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 83169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8325b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 83369867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 83469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 835f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 836f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 837f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 838f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 839f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 840f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 841f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 842f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 84306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8443162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager implementation 84555fd43f90913676682487f89f27c756adb827f66Devang Patel 8462c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 8472c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 84855fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8493162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::addPass(Pass *P) { 85055fd43f90913676682487f89f27c756adb827f66Devang Patel 85155fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 85255fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 85355fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 85455fd43f90913676682487f89f27c756adb827f66Devang Patel 85553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 85653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8572c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 85853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 85953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 860e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 86114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 86255fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 86355fd43f90913676682487f89f27c756adb827f66Devang Patel} 86455fd43f90913676682487f89f27c756adb827f66Devang Patel 86555fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 86655fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 86755fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 86855fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8693162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::runOnFunction(Function &F) { 87055fd43f90913676682487f89f27c756adb827f66Devang Patel 8711fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 8721fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 8731fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 8743b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 875cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 876c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 87755fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 878e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 879e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 88055fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 88141545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 88255fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 88355fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 884c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 8850ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 886df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 88755fd43f90913676682487f89f27c756adb827f66Devang Patel } 8883b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 88955fd43f90913676682487f89f27c756adb827f66Devang Patel} 89055fd43f90913676682487f89f27c756adb827f66Devang Patel 891964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 8923162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Module &M) { 893964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 894964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 895964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 896964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 897964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 898964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 899964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 900964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 901964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 902964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 903964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 904964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9053162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Module &M) { 906964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 907964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 908964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 909964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 910964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 911964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 912964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 913964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 914964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 915964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 916964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 917964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9183162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Function &F) { 919964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 920964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 921964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 922964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 923964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 924964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 925964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 926964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 927964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 928964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 929964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 930964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9313162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Function &F) { 932964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 933964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 934964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 935964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 936964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 937964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 938964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 939964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 940964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 941964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 942964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 943964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 944964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 94506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9463162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 94706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 948c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 9493162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 950cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 951dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 952dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 953b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 954b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 955b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 956b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 957b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 958b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 959cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 960cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 961cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 9623162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 9633162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Note : FPM maintains one entry in PassManagers vector. 9643162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // This one entry is FPM itself. This is not ideal. One 9653162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // alternative is have one additional layer between 9663162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // FunctionPassManager and FunctionPassManagerImpl. 9673162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Meanwhile, to avoid going into infinte loop, first 9683162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // remove FPM from its PassMangers vector. 9693162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FPM->clearManagers(); 97037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 97137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 97237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 973c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 974c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 975c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 976c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 977c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 9783162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 979c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 980c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 981c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 982214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 983214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 984214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 985214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 9863162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 987214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 988214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 989e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 990214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 991214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 992c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 993214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 994214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 995214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9963799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 9973799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 9983162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 9993799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10003799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10013799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10023799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10033799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10043162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10053799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10063799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10073799f97d539f6c288d169063e1b335917fafcffbDevang Patel 100806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 1009c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 1010448d27cd795dc273249f123444509403f4fa4facDevang Patel 1011448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 1012448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 1013448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 1014448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 1015c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 1016448d27cd795dc273249f123444509403f4fa4facDevang Patel 10173162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager. 1018448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 1019448d27cd795dc273249f123444509403f4fa4facDevang Patel 1020badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 1021448d27cd795dc273249f123444509403f4fa4facDevang Patel 1022badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1023badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 1024badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1025b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1026badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1027f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 10283162691f69f85f740bc28f3ddca39b166d35187cDevang Patel new BasicBlockPassManager(getDepth() + 1); 1029dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1030dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 10311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 1033893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 10341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 10361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 10371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 10381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1039badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1040badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 10412c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 10422c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 1043448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1044e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1045e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1046e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1047e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1048448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1049448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1050448d27cd795dc273249f123444509403f4fa4facDevang Patel 1051448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1052448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1053448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1054448d27cd795dc273249f123444509403f4fa4facDevang Patel 105553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 105653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10572c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 105853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 105953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1060e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1061badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1062badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1063badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1064badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1065badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1066badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1067badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1068448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1069448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1070448d27cd795dc273249f123444509403f4fa4facDevang Patel 1071448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1072448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1073448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1074214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1075448d27cd795dc273249f123444509403f4fa4facDevang Patel 10764d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1077cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1078c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1079448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 108097856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 108197856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 10824d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 1083448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1084448d27cd795dc273249f123444509403f4fa4facDevang Patel 1085214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1086214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1087214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1088214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1089214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1090214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 10911fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10921fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 10931fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10941fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1095cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1096214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1097214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1098214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1099214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 110041545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1101214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 1102214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 1103214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 11040ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1105214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 1106214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1107214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1108214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1109214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1110214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11113799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 11123799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11133799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11143799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 11153799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 11163799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 11173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11183799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 11193799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 11203799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11213799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11223799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11233799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11243799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11253799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 11263799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11273799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11283799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 11293799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 11303799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 11313799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11323799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 11333799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11343799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11353799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11363799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11373799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11383799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1139c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1140c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1141c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1142c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1143c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1144c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1145c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 11463162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FunctionPassManagerImpl_New *FP = 11473162691f69f85f740bc28f3ddca39b166d35187cDevang Patel dynamic_cast<FunctionPassManagerImpl_New *>(*I); 1148c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1149c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1150c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1151c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1152c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 115306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 115492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 115592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 115692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1157c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 115892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 115992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11603162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::addPass(Pass *P) { 116192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 116292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 116392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 116492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 116569867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 116692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1167badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1168badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1169badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1170b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1171badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1172f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1173f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 11741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1176893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 11771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1178dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1179dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 11801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeFunctionPassManager); 11831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1185591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1186badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11872c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 11882c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 118992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1190e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1191e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1192e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1193e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 119492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 119592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 119692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 119792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 119892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 119992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 120092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 120153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 120253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 12032c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 120453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 120553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1206e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1207badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1208badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1209badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1210badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1211badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1212badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 121392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 121492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 121592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 121692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 121792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 121892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 121992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 122092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 12213162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::runOnModule(Module &M) { 122292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1223cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1224c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1225e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1226e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 122792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 122841545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 122992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 123092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1231c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 12320ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1233df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 123492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 123592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 123692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 123792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 123806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 123906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 124037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1241b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1242b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1243f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1244b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1245a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 12463162691f69f85f740bc28f3ddca39b166d35187cDevang Patel activeManager = new ModulePassManager(getDepth() + 1); 1247dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1248dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1249145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1250145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1251145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1252145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1253145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1254145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1255a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1256502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1257b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1258502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1259b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1260b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1261b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1262b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1263f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1264b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1265b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 126645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 126745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel if (PassDebugging_New >= PDLStructure) 126845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel dumpPasses(); 126945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1270a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1271a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 12723162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *MP = dynamic_cast<ModulePassManager *>(*I); 1273a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1274b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1275b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1276b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 127806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 127906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 128006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12823162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 1283f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1284dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1285dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12883162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 128937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 129037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 129137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 12925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 12955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 12965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 12973162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 12985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 12995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 13025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 13035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 13043162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 13055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 13065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13083162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#endif 1309