PassManager.cpp revision 214ca23aef8bd408c4ee4ce28ba93d57d2416587
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" 1885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 19b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 20214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel#include <iostream> 2155fd43f90913676682487f89f27c756adb827f66Devang Patel 2255fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 2355fd43f90913676682487f89f27c756adb827f66Devang Patel 24c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 25c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel/// CommonPassManagerImpl helps pass manager analysis required by 2785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel/// the managed passes. It provides methods to add/remove analysis 2885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel/// available and query if certain analysis is available or not. 29abb81054d1ac57014774b092ce3094c47effbddbDevang Patelclass CommonPassManagerImpl { 3085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 3285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 3485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 3585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 3685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 37b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel Pass *getAnalysisPass(AnalysisID AID) const { 38b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 39b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::const_iterator I = 40b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis.find(AID); 41b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 42b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (I != AvailableAnalysis.end()) 43b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return NULL; 44b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel else 45b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel return I->second; 46be6d515f481756ff549f355e32be1ac398e141d5Devang Patel } 4785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 4885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment RequiredAnalysis by adding analysis required by pass P. 4985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void noteDownRequiredAnalysis(Pass *P); 5085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 5185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 5285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void noteDownAvailableAnalysis(Pass *P); 5385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 5485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 5585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 5685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 5785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 58df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 5985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 60e253385b108cd946b1ac150302f246d3b218be77Devang Patel /// Add pass P into the PassVector. Update RequiredAnalysis and 61893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 62893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 63e253385b108cd946b1ac150302f246d3b218be77Devang Patel 64c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel /// Clear analysis vectors RequiredAnalysis and AvailableAnalysis. 65c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel /// This is used before running passes managed by the manager. 66c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel void clearAnalysis() { 67c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel RequiredAnalysis.clear(); 68c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 6903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel LastUser.clear(); 70c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 71c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 72b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // All Required analyses should be available to the pass as it runs! Here 73b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // we fill in the AnalysisImpls member of the pass so that it can 74b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // successfully use the getAnalysis() method to retrieve the 75b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // implementations it needs. 76b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel // 772f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel void initializeAnalysisImpl(Pass *P); 78b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 79e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 80e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 81e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 82e253385b108cd946b1ac150302f246d3b218be77Devang Patel 83e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 84e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 85e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 86e253385b108cd946b1ac150302f246d3b218be77Devang Patel 87861967815396df9f8b01327197fd2715d2c7555cDevang Patel inline void setLastUser(Pass *P, Pass *LU) { 882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel LastUser[P] = LU; 892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO : Check if pass P is available. 902f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 9285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 935770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Analysis required by the passes managed by this manager. This information 945770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // used while selecting pass manager during addPass. If a pass does not 955770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // preserve any analysis required by other passes managed by current 965770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass manager then new pass manager is used. 9785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel std::vector<AnalysisID> RequiredAnalysis; 9885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 995770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 1005770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 1015770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 1025770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 103b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 104e253385b108cd946b1ac150302f246d3b218be77Devang Patel 10503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel // Map to keep track of last user of the analysis pass. 10603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel // LastUser->second is the last user of Lastuser->first. 10703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel std::map<Pass *, Pass *> LastUser; 10803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 109e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 110e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 11185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 11285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 113c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// BasicBlockPassManager_New manages BasicBlockPass. It batches all the 114c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 115c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 116abb81054d1ac57014774b092ce3094c47effbddbDevang Patelclass BasicBlockPassManager_New : public CommonPassManagerImpl, 117abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 118c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 119c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 120c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New() { } 121c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 122c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 123c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 124c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 125c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 126c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 127c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 128c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 129be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 13003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 131be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 132c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 133c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 134c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 135c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 136c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 137c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 138c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 139abb81054d1ac57014774b092ce3094c47effbddbDevang Patelclass FunctionPassManagerImpl_New : public CommonPassManagerImpl, 140abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public ModulePass { 141c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 142c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New(ModuleProvider *P) { /* TODO */ } 143c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New() { 144c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 145c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 146c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 147c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 148c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 149c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 150c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 151c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 152c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 153c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel void add(Pass *P) { /* TODO*/ } 154c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 155c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 156c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 157c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 158c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 159c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 160c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 161c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 162214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 163c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 164be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 16503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 166be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 1673799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 1683799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 1693799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 1703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1713799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 1723799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 1733799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 174c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 176c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel BasicBlockPassManager_New *activeBBPassManager; 177c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 178c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 179c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// ModulePassManager_New manages ModulePasses and function pass managers. 180c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 181c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 18237a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelclass ModulePassManager_New : public CommonPassManagerImpl { 183c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 184c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 185c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel ModulePassManager_New() { activeFunctionPassManager = NULL; } 186c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 187c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 188c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 189c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 190c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 191c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 192c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 193be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 194be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 19503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 196c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 197c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 198c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 199c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 200c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 201c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// PassManager_New manages ModulePassManagers 20337a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelclass PassManagerImpl_New : public CommonPassManagerImpl { 2045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 2115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel void add(Pass *P); 2125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 217be6d515f481756ff549f355e32be1ac398e141d5Devang Patel /// Return true IFF AnalysisID AID is currently available. 21803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *getAnalysisPassFromManager(AnalysisID AID); 219be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 2205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 2215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// Add a pass into a passmanager queue. This is used by schedulePasses 2235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 2245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 225f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel /// Schedule pass P for execution. Make sure that passes required by 226f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel /// P are run before P is run. Update analysis info maintained by 227f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel /// the manager. Remove dead passes. This is a recursive function. 228f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel void schedulePass(Pass *P); 229f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 2305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// Schedule all passes collected in pass queue using add(). Add all the 2315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// schedule passes into various manager's queue using addPass(). 2325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel void schedulePasses(); 2335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Collection of pass managers 2355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel std::vector<ModulePassManager_New *> PassManagers; 2365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 2385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel ModulePassManager_New *activeManager; 2395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 2405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 241c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 242c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 24337a84c7d8bda439082b883e33be6ab88b4cce236Devang Patel// CommonPassManagerImpl implementation 244889739c4d188d28c167644bced9df0f3131317d7Devang Patel 2452c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 246889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 24737a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelbool CommonPassManagerImpl::manageablePass(Pass *P) { 248889739c4d188d28c167644bced9df0f3131317d7Devang Patel 249889739c4d188d28c167644bced9df0f3131317d7Devang Patel AnalysisUsage AnUsage; 250889739c4d188d28c167644bced9df0f3131317d7Devang Patel P->getAnalysisUsage(AnUsage); 251889739c4d188d28c167644bced9df0f3131317d7Devang Patel 252a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // If this pass is not preserving information that is required by the other 253a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // passes managed by this manager then use new manager 254a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!AnUsage.getPreservesAll()) { 255a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 256a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel for (std::vector<AnalysisID>::iterator I = RequiredAnalysis.begin(), 257a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel E = RequiredAnalysis.end(); I != E; ++I) { 258a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), *I) == 259a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel PreservedSet.end()) 260a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // This analysis is not preserved. Need new manager. 261a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel return false; 262a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel } 263a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel } 264889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 265889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 266889739c4d188d28c167644bced9df0f3131317d7Devang Patel 267b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augment RequiredAnalysis by adding analysis required by pass P. 26837a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelvoid CommonPassManagerImpl::noteDownRequiredAnalysis(Pass *P) { 269a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel AnalysisUsage AnUsage; 270a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel P->getAnalysisUsage(AnUsage); 271a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 272889739c4d188d28c167644bced9df0f3131317d7Devang Patel 273a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel // FIXME: What about duplicates ? 27414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel RequiredAnalysis.insert(RequiredAnalysis.end(), RequiredSet.begin(), 27514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel RequiredSet.end()); 2762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 2772f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel initializeAnalysisImpl(P); 278889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 279889739c4d188d28c167644bced9df0f3131317d7Devang Patel 280b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 281b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patelvoid CommonPassManagerImpl::noteDownAvailableAnalysis(Pass *P) { 282b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 283b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 284b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 285b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 286b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO This pass is the current implementation of all of the interfaces it 287b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO implements as well. 288b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO 289b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 290b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO for (unsigned i = 0, e = II.size(); i != e; ++i) 291b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel //TODO CurrentAnalyses[II[i]] = P; 292b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 293b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 294b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 295889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 29637a84c7d8bda439082b883e33be6ab88b4cce236Devang Patelvoid CommonPassManagerImpl::removeNotPreservedAnalysis(Pass *P) { 29714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 29814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 29914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 30014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 301b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 30214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel E = AvailableAnalysis.end(); I != E; ++I ) { 303b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 30414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 30514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 306b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 30714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AvailableAnalysis.erase(J); 30814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 30914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 310889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 311889739c4d188d28c167644bced9df0f3131317d7Devang Patel 312df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 313df1a10ece6a75f230d98c6fb001349eede90387aDevang Patelvoid CommonPassManagerImpl::removeDeadPasses(Pass *P) { 314df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 315df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel for (std::map<Pass *, Pass *>::iterator I = LastUser.begin(), 316df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel E = LastUser.end(); I !=E; ++I) { 317df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel if (I->second == P) { 318df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel Pass *deadPass = I->first; 319df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel deadPass->releaseMemory(); 320df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 321df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 322df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel AvailableAnalysis.find(deadPass->getPassInfo()); 323df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 324df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel assert (Pos != AvailableAnalysis.end() && 325df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel "Pass is not available"); 326df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel AvailableAnalysis.erase(Pos); 327df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel } 328df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel } 329df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 330df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 331e253385b108cd946b1ac150302f246d3b218be77Devang Patel/// Add pass P into the PassVector. Update RequiredAnalysis and 332893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 333893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patelvoid CommonPassManagerImpl::addPassToManager (Pass *P, 334893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel bool ProcessAnalysis) { 335e253385b108cd946b1ac150302f246d3b218be77Devang Patel 336893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 337893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Take a note of analysis required and made available by this pass 338893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel noteDownRequiredAnalysis(P); 339893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel noteDownAvailableAnalysis(P); 340893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel 341893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 342893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 343893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 344e253385b108cd946b1ac150302f246d3b218be77Devang Patel 345e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 346e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 347e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 348e253385b108cd946b1ac150302f246d3b218be77Devang Patel 3492f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 3502f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 3512f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 3522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 3532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 3542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patelvoid CommonPassManagerImpl::initializeAnalysisImpl(Pass *P) { 3553799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 3563799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 3572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 3582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 3592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 3602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 3612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel Pass *Impl = getAnalysisPass(*I); 3622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 3632f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 3642f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel // TODO: P->AnalysisImpls.push_back(std::make_pair(*I, Impl)); 3652f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 3662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 3672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 36855fd43f90913676682487f89f27c756adb827f66Devang Patel/// BasicBlockPassManager implementation 36955fd43f90913676682487f89f27c756adb827f66Devang Patel 3702c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 3712c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 37255fd43f90913676682487f89f27c756adb827f66Devang Patelbool 3732c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelBasicBlockPassManager_New::addPass(Pass *P) { 37455fd43f90913676682487f89f27c756adb827f66Devang Patel 37555fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 37655fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 37755fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 37855fd43f90913676682487f89f27c756adb827f66Devang Patel 37953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 38053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 3812c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 38253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 38353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 384e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 38514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 38655fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 38755fd43f90913676682487f89f27c756adb827f66Devang Patel} 38855fd43f90913676682487f89f27c756adb827f66Devang Patel 38955fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 39055fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 39155fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 39255fd43f90913676682487f89f27c756adb827f66Devang Patelbool 39355fd43f90913676682487f89f27c756adb827f66Devang PatelBasicBlockPassManager_New::runOnFunction(Function &F) { 39455fd43f90913676682487f89f27c756adb827f66Devang Patel 39555fd43f90913676682487f89f27c756adb827f66Devang Patel bool Changed = false; 396c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel clearAnalysis(); 397c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 39855fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 399e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 400e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 40155fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 402c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 403c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel noteDownAvailableAnalysis(P); 40455fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 40555fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 406c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 407df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 40855fd43f90913676682487f89f27c756adb827f66Devang Patel } 40955fd43f90913676682487f89f27c756adb827f66Devang Patel return Changed; 41055fd43f90913676682487f89f27c756adb827f66Devang Patel} 41155fd43f90913676682487f89f27c756adb827f66Devang Patel 412be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 41303153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass * BasicBlockPassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 41403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return getAnalysisPass(AID); 415be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 416be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 417448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager_New implementation 418c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 419c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManager_New::FunctionPassManager_New() { 420c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM = new FunctionPassManagerImpl_New(); 421c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 422c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 423c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 424c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 425c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 426c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 427c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 428214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelvoid FunctionPassManager_New::add(Pass *P) { 429c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 430c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 431c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 432c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Execute all of the passes scheduled for execution. Keep 433c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// track of whether any of the passes modifies the function, and if 434c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// so, return true. 435214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::runOnModule(Module &M) { 436c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel return FPM->runOnModule(M); 437c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 438c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 439214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 440214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 441214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 442214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 443214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManager_New::run(Function &F) { 444214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 445214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 446214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::cerr << "Error reading bytecode file: " << errstr << "\n"; 447214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 448214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 449214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return FPM->runOnFunction(F); 450214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 451214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 452214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 4533799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 4543799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 4553799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doInitialization() { 4563799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 4573799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 4583799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4593799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 4603799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 4613799f97d539f6c288d169063e1b335917fafcffbDevang Patelbool FunctionPassManager_New::doFinalization() { 4623799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 4633799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 4643799f97d539f6c288d169063e1b335917fafcffbDevang Patel 465c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 466448d27cd795dc273249f123444509403f4fa4facDevang Patel 467448d27cd795dc273249f123444509403f4fa4facDevang Patel// FunctionPassManager 468448d27cd795dc273249f123444509403f4fa4facDevang Patel 469448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 470448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 471448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 472448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 473c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 474448d27cd795dc273249f123444509403f4fa4facDevang Patel 475448d27cd795dc273249f123444509403f4fa4facDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager_New. 476448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 477448d27cd795dc273249f123444509403f4fa4facDevang Patel 478448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!activeBBPassManager 479448d27cd795dc273249f123444509403f4fa4facDevang Patel || !activeBBPassManager->addPass(BP)) { 480448d27cd795dc273249f123444509403f4fa4facDevang Patel 481448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = new BasicBlockPassManager_New(); 482893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 4832c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 4842c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 485448d27cd795dc273249f123444509403f4fa4facDevang Patel } 486448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 487448d27cd795dc273249f123444509403f4fa4facDevang Patel } 488448d27cd795dc273249f123444509403f4fa4facDevang Patel 489448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 490448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 491448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 492448d27cd795dc273249f123444509403f4fa4facDevang Patel 49353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 49453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 4952c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 49653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 49753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 498e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 499448d27cd795dc273249f123444509403f4fa4facDevang Patel activeBBPassManager = NULL; 500448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 501448d27cd795dc273249f123444509403f4fa4facDevang Patel} 502448d27cd795dc273249f123444509403f4fa4facDevang Patel 503448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 504448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 505448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 506214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 507448d27cd795dc273249f123444509403f4fa4facDevang Patel 508448d27cd795dc273249f123444509403f4fa4facDevang Patel bool Changed = false; 509c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel clearAnalysis(); 510c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 511448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 512e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 513e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 514448d27cd795dc273249f123444509403f4fa4facDevang Patel Pass *P = *itr; 515c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 516c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel noteDownAvailableAnalysis(P); 517448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 518448d27cd795dc273249f123444509403f4fa4facDevang Patel Changed |= FP->runOnFunction(*I); 519c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 520df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 521448d27cd795dc273249f123444509403f4fa4facDevang Patel } 522448d27cd795dc273249f123444509403f4fa4facDevang Patel return Changed; 523448d27cd795dc273249f123444509403f4fa4facDevang Patel} 524448d27cd795dc273249f123444509403f4fa4facDevang Patel 525214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 526214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 527214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 528214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 529214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 530214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 531214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel clearAnalysis(); 532214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 533214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 534214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 535214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 536214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 537214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel noteDownAvailableAnalysis(P); 538214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 539214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 540214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 541214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 542214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 543214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 544214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 545214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 546214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 547be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 54803153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *FunctionPassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 549be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 55003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 55103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 55203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 553be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 554be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeBBPassManager && 555b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeBBPassManager->getAnalysisPass(AID) != 0) 55603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeBBPassManager->getAnalysisPass(AID); 557be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 558be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 55903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 560be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 561448d27cd795dc273249f123444509403f4fa4facDevang Patel 5623799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 5633799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 5643799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5653799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 5663799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 5673799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 5683799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5693799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 5703799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 5713799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 5723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5733799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 5743799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 5753799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5763799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 5773799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 5783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5793799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 5803799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 5813799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 5823799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5833799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 5843799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 5853799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 5863799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5873799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5883799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 5893799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 5903799f97d539f6c288d169063e1b335917fafcffbDevang Patel 5913799f97d539f6c288d169063e1b335917fafcffbDevang Patel 59292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 59392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 59492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 595c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 59692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 59792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 5982c5d1851bbcb20adb79664ec16ab1f97b9142086Devang PatelModulePassManager_New::addPass(Pass *P) { 59992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 60092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 60192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 60292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 60392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 60492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 60592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!activeFunctionPassManager 60692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel || !activeFunctionPassManager->addPass(P)) { 60792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 608c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel activeFunctionPassManager = new FunctionPassManagerImpl_New(); 609893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 6102c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 6112c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 61292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 61392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 61492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 61592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 61692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 61792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 61892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 61992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 62053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 62153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 6222c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 62353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 62453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 625e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 62692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel activeFunctionPassManager = NULL; 62792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 62892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 62992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 63092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 63192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 63292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 63392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 63492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 63592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang PatelModulePassManager_New::runOnModule(Module &M) { 63692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 637c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel clearAnalysis(); 638c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 639e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 640e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 64192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 642c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 643c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel noteDownAvailableAnalysis(P); 64492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 64592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 646c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 647df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 64892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 64992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 65092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 65192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 652be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 65303153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *ModulePassManager_New::getAnalysisPassFromManager(AnalysisID AID) { 654be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 65503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel 65603153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = getAnalysisPass(AID); 65703153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (P) 65803153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 659be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 660be6d515f481756ff549f355e32be1ac398e141d5Devang Patel if (activeFunctionPassManager && 661b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel activeFunctionPassManager->getAnalysisPass(AID) != 0) 66203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return activeFunctionPassManager->getAnalysisPass(AID); 663be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 664be6d515f481756ff549f355e32be1ac398e141d5Devang Patel // TODO : Check inactive managers 66503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return NULL; 666be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 667be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 668be6d515f481756ff549f355e32be1ac398e141d5Devang Patel/// Return true IFF AnalysisID AID is currently available. 66903153c70de080e4c184ad29f0d78e456019b9a4cDevang PatelPass *PassManagerImpl_New::getAnalysisPassFromManager(AnalysisID AID) { 670be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 67103153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *P = NULL; 6722718bfbaa6a1ecb37bb34483b09010cbb3563f83Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 67303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel e = PassManagers.end(); !P && itr != e; ++itr) 67403153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel P = (*itr)->getAnalysisPassFromManager(AID); 67503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel return P; 676be6d515f481756ff549f355e32be1ac398e141d5Devang Patel} 677be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 678f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel/// Schedule pass P for execution. Make sure that passes required by 679f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel/// P are run before P is run. Update analysis info maintained by 680f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel/// the manager. Remove dead passes. This is a recursive function. 681f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelvoid PassManagerImpl_New::schedulePass(Pass *P) { 682f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 683f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel AnalysisUsage AnUsage; 684f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel P->getAnalysisUsage(AnUsage); 685f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 686f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 687f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel E = RequiredSet.end(); I != E; ++I) { 688f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 68903153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel Pass *AnalysisPass = getAnalysisPassFromManager(*I); 69003153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel if (!AnalysisPass) { 691f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel // Schedule this analysis run first. 69203153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel AnalysisPass = (*I)->createPass(); 69303153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel schedulePass(AnalysisPass); 694f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel } 69503153c70de080e4c184ad29f0d78e456019b9a4cDevang Patel setLastUser (AnalysisPass, P); 696861967815396df9f8b01327197fd2715d2c7555cDevang Patel 697861967815396df9f8b01327197fd2715d2c7555cDevang Patel // Prolong live range of analyses that are needed after an analysis pass 698861967815396df9f8b01327197fd2715d2c7555cDevang Patel // is destroyed, for querying by subsequent passes 699861967815396df9f8b01327197fd2715d2c7555cDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 700861967815396df9f8b01327197fd2715d2c7555cDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 701861967815396df9f8b01327197fd2715d2c7555cDevang Patel E = IDs.end(); I != E; ++I) { 702861967815396df9f8b01327197fd2715d2c7555cDevang Patel Pass *AP = getAnalysisPassFromManager(*I); 703861967815396df9f8b01327197fd2715d2c7555cDevang Patel assert (AP && "Analysis pass is not available"); 704861967815396df9f8b01327197fd2715d2c7555cDevang Patel setLastUser(AP, P); 705861967815396df9f8b01327197fd2715d2c7555cDevang Patel } 706f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel } 707f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel addPass(P); 708f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel} 709f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel 710b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Schedule all passes from the queue by adding them in their 711b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// respective manager's queue. 712f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelvoid PassManagerImpl_New::schedulePasses() { 713f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 714f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel E = passVectorEnd(); I != E; ++I) 715f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel schedulePass (*I); 716b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 717b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 718b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add pass P to the queue of passes to run. 719f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelvoid PassManagerImpl_New::add(Pass *P) { 720f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel // Do not process Analysis now. Analysis is process while scheduling 721f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patel // the pass vector. 722fcb2d940a0f0c471069a65c57c48b847d1b6762eDevang Patel addPassToManager(P, false); 723b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 724b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 725b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel// PassManager_New implementation 726b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 727b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 728f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 729b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 730a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 731b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel activeManager = new ModulePassManager_New(); 732b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel PassManagers.push_back(activeManager); 733b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 734b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 735b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return activeManager->addPass(P); 736b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 737b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 738b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 739b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 740f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 741b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 742b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel schedulePasses(); 743b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 744b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel for (std::vector<ModulePassManager_New *>::iterator itr = PassManagers.begin(), 745b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel e = PassManagers.end(); itr != e; ++itr) { 746b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel ModulePassManager_New *pm = *itr; 747b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel Changed |= pm->runOnModule(M); 748b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 749b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 750b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 7515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 7525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 7535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::PassManager_New() { 7545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM = new PassManagerImpl_New(); 7555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 7565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 7575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 7585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 7595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 7605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 7615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 7625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::add(Pass *P) { 7635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 7645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 7655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 7665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 7675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 7685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 7695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang PatelPassManager_New::run(Module &M) { 7705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 7715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 7725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 773