PassManager.cpp revision 5cbf985dcbc89fba3208e7baf8b6f488b06d3ec9
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 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 17c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 1855fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 193799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 208f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 2285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 23b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 24c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 25ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 26e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 2745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 2845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 2945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 36e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 37e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 38e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4226426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 53c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 577e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 59c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 60c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 63c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 64c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel BBPassManager(int Depth) : PMDataManager(Depth) { } 66c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 67c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 68c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 7566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 76964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 77964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 78964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 79964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 80964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 81ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 82ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 83c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 841554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 851554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 861554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 871554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 88ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 89ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 901554c8545651350569f08dc7370189da1a7e5814Devang Patel 911554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 921554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 931554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 941554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 951554c8545651350569f08dc7370189da1a7e5814Devang Patel } 9625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 9725919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel virtual PassManagerType getPassManagerType() { 9825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 9925919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 100c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 101c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 102ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1031554c8545651350569f08dc7370189da1a7e5814Devang Patel 104ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 11136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 11236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FunctionPassManagerImpl(int Depth) : PMDataManager(Depth), 1168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Function) { } 1175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doFinalization - Run all of the initializers for the function passes. 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 149cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 154a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 155a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 157a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 166c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 167c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1687e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1707e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 173c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 176c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 177a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel MPPassManager(int Depth) : PMDataManager(Depth) { } 178c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 179c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 180c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 181c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 182be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 18366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 18466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 18566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 18666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 18766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 188ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 189ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 190ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 1911554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1921554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 1931554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 1941554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 195ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 196ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 197ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1981554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 1991554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2001554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2011554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2021554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2031554c8545651350569f08dc7370189da1a7e5814Devang Patel 20425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel virtual PassManagerType getPassManagerType() { return PMT_ModulePassManager; } 205c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 206c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2077e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2097e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 21236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 21336bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2178f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PassManagerImpl(int Depth) : PMDataManager(Depth), 2188f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Pass) { } 219f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 224877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 225e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 226877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 23266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 23366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 23466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 23566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 23666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 237eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 238145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 239c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 240145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 241145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 242145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 243cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 244145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 245689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 246c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 247689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 248a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 249a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 250145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 251a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 252eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 253eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 2565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 2615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 262c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 2638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 264c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 265b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 266c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 267c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 268c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 269c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 270c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 271c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 272c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 273c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 274c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 275c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 276c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 277c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 278c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 279c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 280c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 281c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 282c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 283c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 284c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 285c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 286c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 287c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 288c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 289c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 290c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 291c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 292c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 293c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 294c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 295c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 296c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 297c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 298c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 299c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 300c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 301c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 302c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 303c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 304c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 305c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 306c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 307c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 308c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 309c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 310c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 311c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 316c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 31706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3208f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3218f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3228f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3238f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3248f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3258f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3268f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3278f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3288f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3298f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3308f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3318f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3328f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3338f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3348f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3358f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3368f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 3381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 3391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 3421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 3451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 3461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 3471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 3491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 3501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 3511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 3561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 3571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 3601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 3611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 3621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 3651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 3661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 3671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 3681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 3709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 3711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 3731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 3741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 3761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 3771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 3791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 3801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 3811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 3821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 3831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 3871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 3881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 3911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 3921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 3941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 396d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 397d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 398d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 399d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 400d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 401d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 402d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 403d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 404d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 405d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 406d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 407d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 408d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 4171a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 4181a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4191a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 426ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 427a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 428ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 42926426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 432ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 433ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 434ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 435ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 436ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 437a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 438ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 439ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 440ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 441ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 442a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 443c32cf54101ecaf336d161fecd58667870149169cDevang Patel 44426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 445c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 446c32cf54101ecaf336d161fecd58667870149169cDevang Patel 447c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 448a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 449c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 450c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 451c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 452c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 453c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 454c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 455c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 456c32cf54101ecaf336d161fecd58667870149169cDevang Patel 4571336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 4581336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 4591336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 4601336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 4611336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 4621336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 4631336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 4641336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 4651336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 4661336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 4671336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 4681336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 4691336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 4701336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 4711336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 472ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 473ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 474ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 475ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 476ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 477ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 478ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 479ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 480ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 481ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 482ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 483ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 484ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 4851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 486419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 487889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4882c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 489889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 490419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 491889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4924045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4934045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4944045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4954045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4964045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4974045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4984045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 499889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 500889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 501889739c4d188d28c167644bced9df0f3131317d7Devang Patel 502b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 503f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 504b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 505b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 506b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 507b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 508f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 509f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 510f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 511f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 512f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 513b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 514b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 515b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 516889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 517419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 51814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 51914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 52014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 52104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 52204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 52304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 52404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 525b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 52654e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 5271a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 5281a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 52914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 53014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 5311a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second)) 5321a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel AvailableAnalysis.erase(Info); 5331a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel } 53414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 535889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 536889739c4d188d28c167644bced9df0f3131317d7Devang Patel 537df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 5384eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) { 539f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 540f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 541f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 542f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 543f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 544f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 5454eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 5464eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg1 = " Freeing Pass '"; 5474eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(*I, Msg1, Msg); 5484eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 5498e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 550f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 5518e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 5528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 553f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 554f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 555f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 556964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 557f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 558f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 559f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 560df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 561df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5624045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 563893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 564e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 56566eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 566e253385b108cd946b1ac150302f246d3b218be77Devang Patel 567145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 568145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 569cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 570145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 571145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 572893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 573e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 574e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 575e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 576e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 577e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 578e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 579e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 580e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 581e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 582e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 583e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 584cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 585cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 586cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 587cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 588e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 589e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 590e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 591e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 592ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 593e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 594e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 595e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 596e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 597e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 598e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 599e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 6003f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 6013f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 6023f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 6038df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 6043f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 6058df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 606e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 6070ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 608893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 609893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 6100ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 611893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 612e253385b108cd946b1ac150302f246d3b218be77Devang Patel 613e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 614e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 615e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 616e253385b108cd946b1ac150302f246d3b218be77Devang Patel 617c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 618c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 619c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 620c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 621c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 622c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 623c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 624c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 625c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 626c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 62769867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 628c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 629c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 630c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 63127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 63227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 63327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 63427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 63527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 63627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 63727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 63827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 639c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 640c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 6412f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 6422f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 6432f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 6442f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 6452f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 646419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 6473799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6483799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6492f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6502f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6512f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 65369867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 6542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 656cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 657298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 6582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 6592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 6602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 66169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 66269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 66369867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 66469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 66569867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 66669867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 66769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 66869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 66969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 67069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 67169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 67269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 67369867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 67469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 6755b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 67669867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 67769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 678a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 679a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 680a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 681a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::vector<Pass *> LUses; 682a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 683a52035a062edf9bfbf95c92c615219b647042c17Devang Patel assert (TPM && "Top Level Manager is missing"); 684a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 685a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 686a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 687a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 688a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 689a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 690a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 691a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 692a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 693a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 694a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 695a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 696a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 697a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 698a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 699a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 700a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 701a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 702a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 703a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 704a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 705a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, std::string &Msg1, 706a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::string &Msg2) const { 70726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 708a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 709a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 710a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << Msg1; 711a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << P->getPassName(); 712a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << Msg2; 713a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 714a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 715a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 716a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 717a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 71826426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 719a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 720a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 721a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 722a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 723a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 724a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 725a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 726a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 727f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 728ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 729ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 730ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 731ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 732ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 733ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 734ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 735ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 736ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 737ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 738f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 739f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 740f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 741cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 742f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 743f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 744f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 74506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 7465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 74755fd43f90913676682487f89f27c756adb827f66Devang Patel 74855fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 74955fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 75055fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 75155fd43f90913676682487f89f27c756adb827f66Devang Patelbool 7525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 75355fd43f90913676682487f89f27c756adb827f66Devang Patel 7545cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 7551fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 7561fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 7573b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 758c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 759693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 760693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 761693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 76255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 7631554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7641554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 765017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 7661554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 767017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 7684eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on BasicBlock '" + (*I).getName() + "'...\n"; 7691554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(BP, Msg1, Msg2); 7701554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 771017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 7721554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 773693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 7741554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 77555fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 7761554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 777693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 778693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 7791554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(BP, Msg3, Msg2); 7801554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 781693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 7821554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 7831554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 7841554c8545651350569f08dc7370189da1a7e5814Devang Patel removeDeadPasses(BP, Msg2); 78555fd43f90913676682487f89f27c756adb827f66Devang Patel } 7861a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 78755fd43f90913676682487f89f27c756adb827f66Devang Patel} 78855fd43f90913676682487f89f27c756adb827f66Devang Patel 789964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 7905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 791964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 792964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7931554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7941554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 795964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 796964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 797964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 798964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 799964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 800964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 8015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 802964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 803964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 8041554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 8051554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 806964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 807964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 808964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 809964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 810964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 811964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 8125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 813964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 814964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 8151554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 8161554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 817964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 818964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 819964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 820964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 821964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 822964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 8235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 824964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 825964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 8261554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 8271554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 828964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 829964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 830964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 831964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 832964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 833964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 834964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 83506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8363162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 83706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 838c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 8393162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 8405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 841dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 842dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 843b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 844b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 845cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 846b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 847b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 848cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 849cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 850cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 8513162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 85237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 85337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 85437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 855c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 856c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 857c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 858c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 859c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 8603162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 861c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 862c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 863c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 864214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 865214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 866214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 867214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 8683162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 869214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 870214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 871e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 872214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 873214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 874c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 875214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 876214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 877214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 8783799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 8793799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8803162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 8813799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 8823799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8833799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8843799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 8853799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8863162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 8873799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 8883799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8893799f97d539f6c288d169063e1b335917fafcffbDevang Patel 89006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 8925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 8935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 8945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 8955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 8975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 8985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 8995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 9005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 9025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 9035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 9055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 9065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 9085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 9095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 9105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 9115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 9135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 9145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 9165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 9175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 9185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 9205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 9225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 9245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 9255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 9275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 9285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 9295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 9305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 9315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 9325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 9335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 9355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 936448d27cd795dc273249f123444509403f4fa4facDevang Patel 937ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 938ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 939ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 940ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 941ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 942ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 943ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 944ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 945ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 946ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 947ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 948448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 949448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 950448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 9515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 952214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 953214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 9541fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9555cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 9561fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9571fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 958693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 959693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 960693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9611554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9621554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 9631554c8545651350569f08dc7370189da1a7e5814Devang Patel 964017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9651554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 966693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9674eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Function '" + F.getName() + "'...\n"; 9681554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(FP, Msg1, Msg2); 9691554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 970693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9711554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 9728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 9731554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 974214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 9751554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 976693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 977693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 9781554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(FP, Msg3, Msg2); 9791554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 980693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9811554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 9821554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 9831554c8545651350569f08dc7370189da1a7e5814Devang Patel removeDeadPasses(FP, Msg2); 984214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 985214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 986214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 987214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 989214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 9915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 9935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 9945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 9965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 9975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 9993799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 10003799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10011554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10021554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 10033799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 10043799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 10053799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10063799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 10073799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10083799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 10103799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 10113799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10121554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10131554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 10143799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 10153799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 10163799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10173799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 10183799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10193799f97d539f6c288d169063e1b335917fafcffbDevang Patel 102006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 102292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 102392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 102492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 102592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 102692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 10275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 102892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1029c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1030693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1031693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1032693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 10331554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10341554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 10351554c8545651350569f08dc7370189da1a7e5814Devang Patel 1036017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 10371554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1038693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 10394eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Module '" + M.getModuleIdentifier() + "'...\n"; 10401554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(MP, Msg1, Msg2); 10411554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1042693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 10431554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 10448e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 10451554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 104692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 10471554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1048693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1049693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 10501554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(MP, Msg3, Msg2); 10511554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1052017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 10531554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 10541554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 10551554c8545651350569f08dc7370189da1a7e5814Devang Patel removeDeadPasses(MP, Msg2); 105692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 105792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 105892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 105992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 106006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 106106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 106237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1063b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1064b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 10655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1066b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1067b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 106845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 10698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 10708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1071c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 10725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 107345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 10741336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 10755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1077a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1078b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1079b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1080b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 10815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 108206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 108306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 108406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 10855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 10863162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 10875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1088dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1089dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 10905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10923162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 109337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 109437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 109537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 10965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 10975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 10985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 10995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 11005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 11013162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 11025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 11035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 11065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 11075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 11083162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 11095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 11105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 11115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 11128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 11138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 11148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 11158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 11168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 11178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 11188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 11198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 11208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 11218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 11238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 11248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 11258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 11268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 11278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 11298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 11308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 11318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 11328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 11338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 11348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1135c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1136c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1137c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1138c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1139c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1140c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1141c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1142c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1143c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1144c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1145c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1146c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 114709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 114809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 114909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 115036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 115109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 115209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 115309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 115409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 115509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 115609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 115709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 115809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 115909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 116009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 116197149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 116209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 116397149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 116497149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 116597149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 116697149737f27457b0411e49af3e4539688e29848fDevang Patel 116797149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 116897149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 116997149737f27457b0411e49af3e4539688e29848fDevang Patel } 117097149737f27457b0411e49af3e4539688e29848fDevang Patel else { 117197149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 117297149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 117397149737f27457b0411e49af3e4539688e29848fDevang Patel 117497149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 117597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 117697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 117797149737f27457b0411e49af3e4539688e29848fDevang Patel } 117897149737f27457b0411e49af3e4539688e29848fDevang Patel 117997149737f27457b0411e49af3e4539688e29848fDevang Patel AnalysisResolver *AR = new AnalysisResolver(*Top); 118097149737f27457b0411e49af3e4539688e29848fDevang Patel P->setResolver(AR); 118197149737f27457b0411e49af3e4539688e29848fDevang Patel 118297149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 118397149737f27457b0411e49af3e4539688e29848fDevang Patel} 118409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 118597149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 118697149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 118797149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 118897149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 118997149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 119097149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("%s ", P->getPassName()); 119197149737f27457b0411e49af3e4539688e29848fDevang Patel } 119297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 119397149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("\n"); 119409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 119509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 119609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Walk Pass Manager stack and set LastUse markers if any 119709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// manager is transfering this priviledge to its parent manager 119809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::handleLastUserOverflow() { 119909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 120009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel for(PMStack::iterator I = this->begin(), E = this->end(); I != E;) { 120109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 120209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Child = *I++; 120309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel if (I != E) { 120409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Parent = *I++; 120509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMTopLevelManager *TPM = Parent->getTopLevelManager(); 120609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel std::vector<Pass *> &TLU = Child->getTransferredLastUses(); 120709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel if (!TLU.empty()) { 120809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Pass *P = dynamic_cast<Pass *>(Parent); 120909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel TPM->setLastUser(TLU, P); 121009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 121109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 121209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 121309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 121409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 121509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 121609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1217be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1218be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel PassManagerType PreferredType) { 121909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 122009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 122109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 122244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 122344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 122444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 122544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 122609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 12276b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 12286b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 122909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 123009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 123144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 123209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 123309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 12359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1236be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1237be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel PassManagerType PreferredType) { 123809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 123997149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 124009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 12416b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 12426b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 124309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 12449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 124509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 12469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 124709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 12499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 12509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 12519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 125297149737f27457b0411e49af3e4539688e29848fDevang Patel 12539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 12549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 125597149737f27457b0411e49af3e4539688e29848fDevang Patel 12569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 12579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 12589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 125997149737f27457b0411e49af3e4539688e29848fDevang Patel 12609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 12619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 12629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1263be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1264be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1265be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1266be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1267be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1268be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1269be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 12709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 12729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 12739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 127409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 12769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 127709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 127809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 12809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1281be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1282be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel PassManagerType PreferredType) { 128309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 128409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 128509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 128697149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 128797149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 128897149737f27457b0411e49af3e4539688e29848fDevang Patel if (!PMS.empty()) { 128909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 129009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 129109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 12939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 12949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 12969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 12979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 12989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 13009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 13019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 13029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 13039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 13049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 13059d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 130697149737f27457b0411e49af3e4539688e29848fDevang Patel 130797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 130897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 13099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 13109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1311531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 13129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 13139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 13149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 131509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 13179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 131809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 131909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1320cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1321