PassManager.cpp revision 04b4e0595ffffab232a73a78d742e08efb6ebcfb
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 1555fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/PassManager.h" 1655fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 173799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 188f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 1985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 20b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 2155fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 2255fd43f90913676682487f89f27c756adb827f66Devang Patel 23e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 24e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Overview: 25e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// The Pass Manager Infrastructure manages passes. It's responsibilities are: 26e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Manage optimization pass execution order 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Make required Analysis information available before pass P is run 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Release memory occupied by dead passes 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o If Analysis information is dirtied by a pass then regenerate Analysis 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// information before it is consumed by another pass. 32e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Pass Manager Infrastructure uses multipe pass managers. They are PassManager, 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManager, ModulePassManager, BasicBlockPassManager. This class 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// hierarcy uses multiple inheritance but pass managers do not derive from 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// another pass manager. 37e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 38e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManager and FunctionPassManager are two top level pass manager that 39e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// represents the external interface of this entire pass manager infrastucture. 40e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 41e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Important classes : 42e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 43e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMTopLevelManager; 44e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 45e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Two top level managers, PassManager and FunctionPassManager, derive from 46e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMTopLevelManager. PMTopLevelManager manages information used by top level 47e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// managers such as last user info. 48e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 49e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMDataManager; 50e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 51e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager manages information, e.g. list of available analysis info, 52e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// used by a pass manager to manage execution order of passes. It also provides 53e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// a place to implement common pass manager APIs. All pass managers derive from 54e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager. 55e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 56e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class BasicBlockPassManager : public FunctionPass, public PMDataManager; 57e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 58e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// BasicBlockPassManager manages BasicBlockPasses. 59e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 60e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManager; 61e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 62e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by JIT to manage FunctionPasses. This 63e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// interface relies on FunctionPassManagerImpl to do all the tasks. 64e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 65e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager, 66e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMTopLevelManager; 67e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 68e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManagerImpl is a top level manager. It manages FunctionPasses 69e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// and BasicBlockPassManagers. 70e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 71e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class ModulePassManager : public Pass, public PMDataManager; 72e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 73e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManager manages ModulePasses and FunctionPassManagerImpls. 74e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 75e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManager; 76e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 77e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by various tools to manages passes. It 78e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// relies on PassManagerImpl to do all the tasks. 79e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 80e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManagerImpl : public Pass, public PMDataManager, 81e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMDTopLevelManager 82e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 83e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManagerImpl is a top level pass manager responsible for managing 84e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManagers. 85e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 86e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 87c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 88c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 893f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 903f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 913f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 923f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 933f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 943f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelclass PMTopLevelManager { 953f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 963f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1023f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1033f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1043f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 1093f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void schedulePass(Pass *P, Pass *PM); 1103f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1113f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1133f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1143f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1163f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1173f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1183f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1193f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1203f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1233f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1243f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1253f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1263f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1273f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1283f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 1293f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1303f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 1313f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 1323f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 1333f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 1343f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1353f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Set pass P as the last user of the given analysis passes. 1363f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 1373f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1393f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel E = AnalysisPasses.end(); I != E; ++I) { 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *AP = *I; 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[AP] = P; 1433f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // If AP is the last user of other passes then make P last user of 1443f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // such passes. 1453f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1463f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 1473f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == AP) 1483f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUser[LUI->first] = P; 1493f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1503f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1513f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1523f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// Collect passes whose last user is P 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel Pass *P) { 1573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 1583f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel if (LUI->second == P) 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel LastUses.push_back(LUI->first); 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel} 1623f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 163dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 164dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 1653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 166419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 167419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 168419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 16985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 17085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 17185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 172dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMDataManager() : TPM(NULL) { 173dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 174dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 175dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 17685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 17785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 17885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 17985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 180b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel Pass *getAnalysisPass(AnalysisID AID) const { 181b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 182b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::const_iterator I = 183b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis.find(AID); 184b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 185b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (I != AvailableAnalysis.end()) 186b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return NULL; 187b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel else 188b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return I->second; 189be6d515f481756ff549f355e32be1ac398e141d5Devang Patel } 19085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 19185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 192f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 19385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 19485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 19585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 19685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 19785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 198df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 19985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2004045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 201893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 202893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 203e253385b108cd946b1ac150302f246d3b218be77Devang Patel 204cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel // Initialize available analysis information. 205cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 206c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 20703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel LastUser.clear(); 208c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 209c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 210b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // All Required analyses should be available to the pass as it runs! Here 211b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // we fill in the AnalysisImpls member of the pass so that it can 212b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // successfully use the getAnalysis() method to retrieve the 213b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // implementations it needs. 214b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // 2152f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel void initializeAnalysisImpl(Pass *P); 216b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 217e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 218e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 219e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 220e253385b108cd946b1ac150302f246d3b218be77Devang Patel 221e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 222e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 223e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 224e253385b108cd946b1ac150302f246d3b218be77Devang Patel 225861967815396df9f8b01327197fd2715d2c7555cDevang Patel inline void setLastUser(Pass *P, Pass *LU) { 2262f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel LastUser[P] = LU; 2272f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO : Check if pass P is available. 2282f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 22903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 230dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 231dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 232dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 233dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 23485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 2355770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 2365770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 2375770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 2385770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 239b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 240e253385b108cd946b1ac150302f246d3b218be77Devang Patel 24103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel // Map to keep track of last user of the analysis pass. 24203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel // LastUser->second is the last user of Lastuser->first. 24303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel std::map<Pass *, Pass *> LastUser; 24403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 245e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 246e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 247dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 248dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Top level manager. 249dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // TODO : Make it a reference. 250dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *TPM; 25185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 25285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 253c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 254c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 255c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 256419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass BasicBlockPassManager_New : public PMDataManager, 257abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 258c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 259c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 260c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New() { } 261c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 262c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 263c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 264c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 265c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 266c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 267c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 268c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 269be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 27003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 271be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 27266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 27366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 27466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 27566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 27666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 277c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 278c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 279c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 280c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 281c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 282c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 283c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 284419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass FunctionPassManagerImpl_New : public PMDataManager, 285abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public ModulePass { 286c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 287c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P) { /* TODO */ } 288c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New() { 289c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 290c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 291c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 292c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 293c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 294c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 295c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 296c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 297c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 298c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel void add(Pass *P) { /* TODO*/ } 299c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 300c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 301c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 302c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 303c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 304c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 307214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 308c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 309be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 31003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 311be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 3123799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 3133799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3143799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 3153799f97d539f6c288d169063e1b335917fafcffbDevang Patel 3163799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 3173799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 3183799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 31966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 32066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 325c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 326c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 327c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 330c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 331c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 333419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass ModulePassManager_New : public PMDataManager { 334c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 335c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel ModulePassManager_New() { activeFunctionPassManager = NULL; } 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 340c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 341c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 342c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 343c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 344be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 345be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 34603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 34766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 34866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 34966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 35066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 35166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 35266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 353c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 354c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 355c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 356c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 357c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 359419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PassManagerImpl_New : public PMDataManager { 3605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 3675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel void add(Pass *P); 3685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 373be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 37403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 375be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 37666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 37766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 37866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 37966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 38066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 3815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 3825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// Add a pass into a passmanager queue. This is used by schedulePasses 3845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 3855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 386f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel /// Schedule pass P for execution. Make sure that passes required by 387f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel /// P are run before P is run. Update analysis info maintained by 388f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel /// the manager. Remove dead passes. This is a recursive function. 389f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel void schedulePass(Pass *P); 390f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 3915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// Schedule all passes collected in pass queue using add(). Add all the 3925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// schedule passes into various manager's queue using addPass(). 3935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel void schedulePasses(); 3945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 3965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 3975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 3995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 4005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 402c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 403c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 40406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 405419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 406889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4072c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 408889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 409419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 410889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4114045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4124045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4134045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4144045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4154045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4164045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4174045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 418889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 419889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 420889739c4d188d28c167644bced9df0f3131317d7Devang Patel 421b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 422f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 423b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 424b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 425b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 426b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 427f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 428f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 429f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 430f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 431f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 432b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 433b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 434b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 435889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 436419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 43714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 43814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 43914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 44004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 44104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 44204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 44304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 444b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 44514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 446b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 44714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 44814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 449b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 45014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 45114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 45214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 453889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 454889739c4d188d28c167644bced9df0f3131317d7Devang Patel 455df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 456419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 457df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 458df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel for (std::map<Pass *, Pass *>::iterator I = LastUser.begin(), 459df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel E = LastUser.end(); I !=E; ++I) { 460df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel if (I->second == P) { 461df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel Pass *deadPass = I->first; 462df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel deadPass->releaseMemory(); 463df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 464df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 465df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel AvailableAnalysis.find(deadPass->getPassInfo()); 466df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 467df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel assert (Pos != AvailableAnalysis.end() && 468df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel "Pass is not available"); 469df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel AvailableAnalysis.erase(Pos); 470df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel } 471df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel } 472df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 473df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 4744045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 475893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 47604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 47704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 478e253385b108cd946b1ac150302f246d3b218be77Devang Patel 479893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 480893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Take a note of analysis required and made available by this pass 4814045af1175509c81d6a4708df233f0b1abe888fcDevang Patel initializeAnalysisImpl(P); 482f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 483893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel 484893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 485893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 486893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 487e253385b108cd946b1ac150302f246d3b218be77Devang Patel 488e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 489e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 490e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 491e253385b108cd946b1ac150302f246d3b218be77Devang Patel 4922f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 4932f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 4942f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 4952f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 4962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 497419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 4983799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 4993799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 5002f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 5012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 5022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 5032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 5042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel Pass *Impl = getAnalysisPass(*I); 5052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 5062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 5072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 5082f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 5092f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 5102f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 51106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 51206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// BasicBlockPassManager_New implementation 51355fd43f90913676682487f89f27c756adb827f66Devang Patel 5142c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 5152c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 51655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 5172c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 51855fd43f90913676682487f89f27c756adb827f66Devang Patel 51955fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 52055fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 52155fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 52255fd43f90913676682487f89f27c756adb827f66Devang Patel 52353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 52453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 5252c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 52653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 52753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 528e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 52914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 53055fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 53155fd43f90913676682487f89f27c756adb827f66Devang Patel} 53255fd43f90913676682487f89f27c756adb827f66Devang Patel 53355fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 53455fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 53555fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 53655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 53755fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 53855fd43f90913676682487f89f27c756adb827f66Devang Patel 53955fd43f90913676682487f89f27c756adb827f66Devang Patel bool Changed = false; 540cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 541c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 54255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 543e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 544e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 54555fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 546c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 547f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 54855fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 54955fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 550c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 551df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 55255fd43f90913676682487f89f27c756adb827f66Devang Patel } 55355fd43f90913676682487f89f27c756adb827f66Devang Patel return Changed; 55455fd43f90913676682487f89f27c756adb827f66Devang Patel} 55555fd43f90913676682487f89f27c756adb827f66Devang Patel 556be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 55703153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 55803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 559be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 560be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 56106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 562448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 56306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 564c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 565c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 566c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM = new FunctionPassManagerImpl_New(); 567c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 568c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 569c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 570c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 571c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 572c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 573c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 574214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 575c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 576c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 577c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 578c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 579c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 580c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 581214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 582c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 583c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 584c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 585214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 586214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 587214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 588214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 589214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 590214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 591214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 592e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 593214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 594214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 595214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 596214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 597214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 598214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 5993799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 6003799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 6013799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 6023799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 6033799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 6043799f97d539f6c288d169063e1b335917fafcffbDevang Patel 6053799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 6063799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 6073799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 6083799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 6093799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 6103799f97d539f6c288d169063e1b335917fafcffbDevang Patel 61106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 612c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 613448d27cd795dc273249f123444509403f4fa4facDevang Patel 614448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 615448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 616448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 617448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 618c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 619448d27cd795dc273249f123444509403f4fa4facDevang Patel 620448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 621448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 622448d27cd795dc273249f123444509403f4fa4facDevang Patel 623448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!activeBBPassManager 624448d27cd795dc273249f123444509403f4fa4facDevang Patel || !activeBBPassManager->addPass(BP)) { 625448d27cd795dc273249f123444509403f4fa4facDevang Patel 626448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = new BasicBlockPassManager_New(); 627893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 6282c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 6292c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 630448d27cd795dc273249f123444509403f4fa4facDevang Patel } 631448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 632448d27cd795dc273249f123444509403f4fa4facDevang Patel } 633448d27cd795dc273249f123444509403f4fa4facDevang Patel 634448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 635448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 636448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 637448d27cd795dc273249f123444509403f4fa4facDevang Patel 63853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 63953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 6402c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 64153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 64253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 643e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 644448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = NULL; 645448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 646448d27cd795dc273249f123444509403f4fa4facDevang Patel} 647448d27cd795dc273249f123444509403f4fa4facDevang Patel 648448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 649448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 650448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 651214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 652448d27cd795dc273249f123444509403f4fa4facDevang Patel 653448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 654cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 655c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 656448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 657e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 658e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 659448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 660c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 661f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 662448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 663448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 664c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 665df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 666448d27cd795dc273249f123444509403f4fa4facDevang Patel } 667448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 668448d27cd795dc273249f123444509403f4fa4facDevang Patel} 669448d27cd795dc273249f123444509403f4fa4facDevang Patel 670214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 671214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 672214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 673214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 674214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 675214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 676cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 677214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 678214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 679214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 680214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 681214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 682f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 683214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 684214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 685214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 686214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 687214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 688214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 689214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 690214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 691214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 692be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 69303153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 694be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 69503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 69603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 69703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 698be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 699be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 700b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 70103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 702be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 703be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 70403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 705be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 706448d27cd795dc273249f123444509403f4fa4facDevang Patel 7073799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 7083799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 7093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7103799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 7113799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 7123799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 7133799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7143799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 7153799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 7163799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 7173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7183799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 7193799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7203799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7213799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 7223799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 7233799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7243799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 7253799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 7263799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 7273799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7283799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 7293799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 7303799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 7313799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7323799f97d539f6c288d169063e1b335917fafcffbDevang Patel 7333799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 7343799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 7353799f97d539f6c288d169063e1b335917fafcffbDevang Patel 73606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 73792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 73892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 73992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 740c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 74192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 74292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 7432c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 74492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 74592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 74692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 74792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 74892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 74992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 75092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 75192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 75292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 753c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel activeFunctionPassManager = new FunctionPassManagerImpl_New(); 754893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 7552c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 7562c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 75792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 75892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 75992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 76092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 76192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 76292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 76392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 76492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 76553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 76653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 7672c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 76853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 76953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 770e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 77192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 77292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 77392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 77492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 77592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 77692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 77792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 77892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 77992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 78092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 78192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 782cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 783c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 784e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 785e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 78692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 787c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 788f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel recordAvailableAnalysis(P); 78992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 79092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 791c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 792df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 79392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 79492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 79592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 79692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 797be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 79803153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 799be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 80003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 80103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 80203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 80303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 804be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 805be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeFunctionPassManager && 806b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 80703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 808be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 809be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 81003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 811be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 812be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 81306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 81406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 81506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 816be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 81703153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 818be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 81903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 8202718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 82103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 82203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 82303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 824be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 825be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 826f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel/// Schedule pass P for execution. Make sure that passes required by 827f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel/// P are run before P is run. Update analysis info maintained by 828f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel/// the manager. Remove dead passes. This is a recursive function. 829f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelvoid PassManagerImpl_New::schedulePass(Pass *P) { 830f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 831f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel AnalysisUsage AnUsage; 832f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel P->getAnalysisUsage(AnUsage); 833f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 834f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 835f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel E = RequiredSet.end(); I != E; ++I) { 836f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 83703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *AnalysisPass = getAnalysisPassFromManager(*I); 83803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (!AnalysisPass) { 839f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel // Schedule this analysis run first. 84003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel AnalysisPass = (*I)->createPass(); 84103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel schedulePass(AnalysisPass); 842f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel } 84303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel setLastUser (AnalysisPass, P); 844861967815396df9f8b01327197fd2715d2c7555cDevang Patel 845861967815396df9f8b01327197fd2715d2c7555cDevang Patel // Prolong live range of analyses that are needed after an analysis pass 846861967815396df9f8b01327197fd2715d2c7555cDevang Patel // is destroyed, for querying by subsequent passes 847861967815396df9f8b01327197fd2715d2c7555cDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 848861967815396df9f8b01327197fd2715d2c7555cDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 849861967815396df9f8b01327197fd2715d2c7555cDevang Patel E = IDs.end(); I != E; ++I) { 850861967815396df9f8b01327197fd2715d2c7555cDevang Patel Pass *AP = getAnalysisPassFromManager(*I); 851861967815396df9f8b01327197fd2715d2c7555cDevang Patel assert (AP && "Analysis pass is not available"); 852861967815396df9f8b01327197fd2715d2c7555cDevang Patel setLastUser(AP, P); 853861967815396df9f8b01327197fd2715d2c7555cDevang Patel } 854f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel } 855f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel addPass(P); 856f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel} 857f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 858b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Schedule all passes from the queue by adding them in their 859b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// respective manager's queue. 860f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelvoid PassManagerImpl_New::schedulePasses() { 861f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 862f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel E = passVectorEnd(); I != E; ++I) 863f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel schedulePass (*I); 864b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 865b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 866b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add pass P to the queue of passes to run. 867f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelvoid PassManagerImpl_New::add(Pass *P) { 868f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel // Do not process Analysis now. Analysis is process while scheduling 869f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel // the pass vector. 870fcb2d940a0f0c471069a65c57c48b847d1b6762eDevang Patel addPassToManager(P, false); 871b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 872b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 873b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 874b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 875b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 876f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 877b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 878a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 879b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel activeManager = new ModulePassManager_New(); 880b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 881b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 882b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 883b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return activeManager->addPass(P); 884b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 885b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 886b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 887b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 888f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 889b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 890b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel schedulePasses(); 891b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 892b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 893b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 894b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 895b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 896b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 897b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 898b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 8995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 90006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 90106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 90206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 9035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 9045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 9055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM = new PassManagerImpl_New(); 9065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 9085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 9095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 9105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 9115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 9125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 9135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 9145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 9155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 9175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 9185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 9195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 9205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 9215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 9225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 9235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 924