PassManager.cpp revision b05ef6a8eb4e06a4c3addb74d7d30eb2150049ea
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" 1755fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 183799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 198f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 2185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 22b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 23c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 24ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 25e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 2645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 2745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 2845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 2945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 35e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 36e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 37e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 38e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4126426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 4945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 52c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 543f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 567e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 58c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 59c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 62c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 63c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel BBPassManager(int Depth) : PMDataManager(Depth) { } 65c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 66c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 67c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 68c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 7466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 75964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 76964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 77964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 78964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 79964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 80ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 81ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 82c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 831554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 841554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 851554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 861554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 87ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 88ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 891554c8545651350569f08dc7370189da1a7e5814Devang Patel 901554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 911554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 921554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 931554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 941554c8545651350569f08dc7370189da1a7e5814Devang Patel } 9525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 9625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel virtual PassManagerType getPassManagerType() { 9725919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 9825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 99c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 100c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 101ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1021554c8545651350569f08dc7370189da1a7e5814Devang Patel 103ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 11036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 11136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1148f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FunctionPassManagerImpl(int Depth) : PMDataManager(Depth), 1158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Function) { } 1165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doFinalization - Run all of the initializers for the function passes. 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 148cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 153a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 154a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 156a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 165c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 166c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1677e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1697e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 174c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 176a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel MPPassManager(int Depth) : PMDataManager(Depth) { } 177c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 178c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 179c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 180c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 181be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 18266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 18366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 18466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 18566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 18666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 187ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 188ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 189ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 1901554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1911554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 1921554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 1931554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 194ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 195ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 196ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1971554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 1981554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 1991554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2001554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2011554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2021554c8545651350569f08dc7370189da1a7e5814Devang Patel 20325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel virtual PassManagerType getPassManagerType() { return PMT_ModulePassManager; } 204c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 205c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2067e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2087e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 21136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 21236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PassManagerImpl(int Depth) : PMDataManager(Depth), 2178f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Pass) { } 218f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 223877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 224e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 225877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 23166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 23266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 23366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 23466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 23566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 236eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 237145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 238c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 239145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 240145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 241145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 242cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 243145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 244689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 245c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 246689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 247a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 248a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 249145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 250a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 251eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 252eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 2535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 2565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 2605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic TimingInfo *TheTimeInfo; 2628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 263b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang PatelTimingInfo *getTheTimeInfo() { 264b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel return TheTimeInfo; 265b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel} 266b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 267b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel} // End of llvm namespace 268c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 26906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 2701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 2711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 2728f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 2738f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 2748f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 2758f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 2768f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 2778f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 2788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 2798f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 2808f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 2818f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 2828f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 2838f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 2848f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 2858f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 2868f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 2878f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 2888f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 2891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 2901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 2911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 2921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 2931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 2941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 2951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 2961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 2971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 2981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 2991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 3011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 3021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 3031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 3081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 3091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 3121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 3131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 3141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 3171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 3181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 3191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 3201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 3229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 3231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 3251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 3261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 3271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 3281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 3291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 3311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 3321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 3331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 3341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 3351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 3391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 3401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 3431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 3441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 3451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 3461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 348d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 349d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 350d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 351d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 352d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 353d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 354d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 355d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 356d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 357d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 358d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 359d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 360d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 3611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 3621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 3631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 3641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 3651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 3661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 3681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 3691a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 3701a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 3711a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 3721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 3761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 378ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 379a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 380ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 38126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 3825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 3835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 384ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 385ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 386ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 387ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 388ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 389a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 390ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 391ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 392ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 393ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 394a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 395c32cf54101ecaf336d161fecd58667870149169cDevang Patel 39626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 397c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 398c32cf54101ecaf336d161fecd58667870149169cDevang Patel 399c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 400a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 401c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 402c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 403c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 404c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 405c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 406c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 407c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 408c32cf54101ecaf336d161fecd58667870149169cDevang Patel 4091336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 4101336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 4111336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 4121336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 4131336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 4141336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 4151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 4161336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 4171336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 4181336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 4191336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 4201336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 4211336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 4221336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 4231336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 424ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 425ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 426ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 427ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 428ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 429ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 430ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 431ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 432ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 433ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 434ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 435ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 436ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 4371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 438419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 439889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4402c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 441889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 442419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 443889739c4d188d28c167644bced9df0f3131317d7Devang Patel 4444045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 4454045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 4464045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 4474045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 4484045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 4494045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 4504045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 451889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 452889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 453889739c4d188d28c167644bced9df0f3131317d7Devang Patel 454b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 455f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 456b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 457b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 458b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 459b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 460f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 461f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 462f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 463f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 464f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 465b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 466b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 467b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 468889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 469419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 47014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 47114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 47214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 47304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 47404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 47504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 47604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 477b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 47854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 4791a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 4801a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 48114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 48214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 4831a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second)) 4841a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel AvailableAnalysis.erase(Info); 4851a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel } 48614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 487889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 488889739c4d188d28c167644bced9df0f3131317d7Devang Patel 489df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 4904eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) { 491f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 492f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 493f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 494f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 495f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 496f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 4974eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 4984eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg1 = " Freeing Pass '"; 4994eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(*I, Msg1, Msg); 5004eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 5018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 502f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 5038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 5048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 505f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 506f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 507f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 508964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 509f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 510f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 511f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 512df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 513df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 5144045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 515893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 516e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 51766eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 518e253385b108cd946b1ac150302f246d3b218be77Devang Patel 519145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 520145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 521cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 522145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 523145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 524893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 525e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 526e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 527e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 528e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 529e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 530e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 531e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 532e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 533e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 534e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 535e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 536cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 537cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 538cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 539cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 540e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 541e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 542e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 543e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 544ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 545e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 546e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 547e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 548e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 549e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 550e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 551e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 5523f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 5533f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 5543f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 5558df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 5563f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 5578df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 558e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 5590ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 560893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 561893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 5620ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 563893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 564e253385b108cd946b1ac150302f246d3b218be77Devang Patel 565e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 566e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 567e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 568e253385b108cd946b1ac150302f246d3b218be77Devang Patel 569c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 570c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 571c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 572c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 573c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 574c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 575c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 576c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 577c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 578c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 57969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 580c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 581c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 582c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 58327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 58427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 58527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 58627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 58727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 58827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 58927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 59027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 591c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 592c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 5932f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 5942f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 5952f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 5962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 5972f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 598419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 5993799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 6003799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 6012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 6022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 6032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 6042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 60569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 6062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 6072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 608cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 609298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 6102f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 6112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 6122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 61369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 61469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 61569867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 61669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 61769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 61869867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 61969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 62069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 62169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 62269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 62369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 62469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 62569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 62669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 6275b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 62869867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 62969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 630a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 631a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 632a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 633a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::vector<Pass *> LUses; 634a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 635a52035a062edf9bfbf95c92c615219b647042c17Devang Patel assert (TPM && "Top Level Manager is missing"); 636a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 637a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 638a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 639a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 640a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 641a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 642a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 643a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 644a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 645a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 646a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 647a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 648a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 649a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 650a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 651a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 652a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 653a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 654a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 655a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 656a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 657a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, std::string &Msg1, 658a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::string &Msg2) const { 65926426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 660a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 661a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 662a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << Msg1; 663a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << P->getPassName(); 664a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << Msg2; 665a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 666a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 667a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 668a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 669a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 67026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 671a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 672a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 673a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 674a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 675a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 676a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 677a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 678a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 679f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 680ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 681ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 682ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 683ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 684ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 685ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 686ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 687ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 688ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 689ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 690f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 691f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 692f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 693cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 694f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 695f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 696f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 69706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 6985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 69955fd43f90913676682487f89f27c756adb827f66Devang Patel 70055fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 70155fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 70255fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 70355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 7045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 70555fd43f90913676682487f89f27c756adb827f66Devang Patel 7061fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 7071fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 7081fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 7093b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 710c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 711693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 712693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 713693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 71455fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 7151554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7161554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 717017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 7181554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 719017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 7204eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on BasicBlock '" + (*I).getName() + "'...\n"; 7211554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(BP, Msg1, Msg2); 7221554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 723017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 7241554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 725693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 7261554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 72755fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 7281554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 729693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 730693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 7311554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(BP, Msg3, Msg2); 7321554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 733693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 7341554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 7351554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 7361554c8545651350569f08dc7370189da1a7e5814Devang Patel removeDeadPasses(BP, Msg2); 73755fd43f90913676682487f89f27c756adb827f66Devang Patel } 7381a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 73955fd43f90913676682487f89f27c756adb827f66Devang Patel} 74055fd43f90913676682487f89f27c756adb827f66Devang Patel 741964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 7425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 743964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 744964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7451554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7461554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 747964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 748964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 749964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 750964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 751964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 752964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 754964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 755964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7561554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7571554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 758964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 759964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 760964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 761964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 762964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 763964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 765964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 766964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7671554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7681554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 769964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 770964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 771964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 772964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 773964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 774964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 776964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 777964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 7781554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 7791554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 780964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 781964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 782964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 783964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 784964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 785964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 786964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 78706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 7883162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 78906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 790c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 7913162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 7925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 793dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 794dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 795b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 796b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 797cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 798b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 799b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 800cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 801cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 802cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 8033162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 80437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 80537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 80637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 807c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 808c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 809c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 810c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 811c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 8123162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 813c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 814c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 815c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 816214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 817214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 818214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 819214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 8203162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 821214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 822214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 823e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 824214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 825214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 826c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 827214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 828214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 829214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 8303799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 8313799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8323162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 8333799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 8343799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8353799f97d539f6c288d169063e1b335917fafcffbDevang Patel 8363799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 8373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 8383162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 8393799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 8403799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 8413799f97d539f6c288d169063e1b335917fafcffbDevang Patel 84206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 8445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 8455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 8465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 8475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 8495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 8505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 8515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 8525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 8545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 8555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 8575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 8585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 8605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 8615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 8625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 8635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 8655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 8665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 8685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 8695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 8705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 8725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 8745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 8765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 8775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8781336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 8795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 8805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 8815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 8825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 8835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 8845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 8855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 8865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 8875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 888448d27cd795dc273249f123444509403f4fa4facDevang Patel 889ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 890ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 891ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 892ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 893ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 894ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 895ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 896ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 897ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 898ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 899ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 900448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 901448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 902448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 9035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 904214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 905214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 9061fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9071fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 9081fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9091fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 910693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 911693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 912693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9131554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9141554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 9151554c8545651350569f08dc7370189da1a7e5814Devang Patel 916017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9171554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 918693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9194eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Function '" + F.getName() + "'...\n"; 9201554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(FP, Msg1, Msg2); 9211554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 922693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9231554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 9248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 9251554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 926214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 9271554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 928693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 929693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 9301554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(FP, Msg3, Msg2); 9311554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 932693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9331554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 9341554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 9351554c8545651350569f08dc7370189da1a7e5814Devang Patel removeDeadPasses(FP, Msg2); 936214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 937214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 938214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 939214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 941214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 9425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 9435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 9455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 9465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 9485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 9495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 9505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 9513799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9523799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9531554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9541554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 9553799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 9563799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9573799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9583799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9593799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 9623799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 9633799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9641554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9651554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 9663799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 9673799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 9683799f97d539f6c288d169063e1b335917fafcffbDevang Patel 9693799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 9703799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 9713799f97d539f6c288d169063e1b335917fafcffbDevang Patel 97206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 97492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 97592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 97692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 97792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 97892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 9795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 98092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 981c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 982693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 983693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 984693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9851554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9861554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 9871554c8545651350569f08dc7370189da1a7e5814Devang Patel 988017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9891554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 990693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9914eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Module '" + M.getModuleIdentifier() + "'...\n"; 9921554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(MP, Msg1, Msg2); 9931554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 994693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9951554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 9968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 9971554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 99892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 9991554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1000693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1001693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 10021554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpPassInfo(MP, Msg3, Msg2); 10031554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1004017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 10051554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 10061554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 10071554c8545651350569f08dc7370189da1a7e5814Devang Patel removeDeadPasses(MP, Msg2); 100892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 100992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 101092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 101192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 101206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 101306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 101437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1015b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1016b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 10175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1018b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1019b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 102045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 10218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 10228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1023c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 10245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 102545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 10261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 10275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1029a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1030b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1031b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1032b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 10335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 103406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 103506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 103606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 10375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 10383162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 10395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1040dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1041dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 10425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10443162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 104537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 104637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 104737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 10485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 10495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 10505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 10515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 10525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 10533162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 10545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 10555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 10585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 10595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 10603162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 10615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 10625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 10635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 10648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 10658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 10668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 10678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 10688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 10698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 10708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 10718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 10728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 10738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 10748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 10758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 10768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 10778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 10788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 10798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 10808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 10818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 10828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 10838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 10848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 10858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 10868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 108709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 108809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 108909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 109036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 109109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 109209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 109309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 109409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 109509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 109609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 109709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 109809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 109909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 110009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 110197149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 110209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 110397149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 110497149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 110597149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 110697149737f27457b0411e49af3e4539688e29848fDevang Patel 110797149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 110897149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 110997149737f27457b0411e49af3e4539688e29848fDevang Patel } 111097149737f27457b0411e49af3e4539688e29848fDevang Patel else { 111197149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 111297149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 111397149737f27457b0411e49af3e4539688e29848fDevang Patel 111497149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 111597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 111697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 111797149737f27457b0411e49af3e4539688e29848fDevang Patel } 111897149737f27457b0411e49af3e4539688e29848fDevang Patel 111997149737f27457b0411e49af3e4539688e29848fDevang Patel AnalysisResolver *AR = new AnalysisResolver(*Top); 112097149737f27457b0411e49af3e4539688e29848fDevang Patel P->setResolver(AR); 112197149737f27457b0411e49af3e4539688e29848fDevang Patel 112297149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 112397149737f27457b0411e49af3e4539688e29848fDevang Patel} 112409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 112597149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 112697149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 112797149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 112897149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 112997149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 113097149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("%s ", P->getPassName()); 113197149737f27457b0411e49af3e4539688e29848fDevang Patel } 113297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 113397149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("\n"); 113409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 113509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 113609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Walk Pass Manager stack and set LastUse markers if any 113709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// manager is transfering this priviledge to its parent manager 113809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::handleLastUserOverflow() { 113909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 114009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel for(PMStack::iterator I = this->begin(), E = this->end(); I != E;) { 114109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 114209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Child = *I++; 114309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel if (I != E) { 114409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Parent = *I++; 114509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMTopLevelManager *TPM = Parent->getTopLevelManager(); 114609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel std::vector<Pass *> &TLU = Child->getTransferredLastUses(); 114709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel if (!TLU.empty()) { 114809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Pass *P = dynamic_cast<Pass *>(Parent); 114909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel TPM->setLastUser(TLU, P); 115009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 115109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 115209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 115309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 115409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 115509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 115609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1157be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1158be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel PassManagerType PreferredType) { 115909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 116009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 116109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 116244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 116344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 116444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 116544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 116609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 11676b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 11686b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 116909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 117009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 117144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 117209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 117309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 11749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 11759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1176be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1177be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel PassManagerType PreferredType) { 117809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 117997149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 118009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 11816b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 11826b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 118309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 11849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 118509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 11869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 118709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 11889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 11899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 11909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 11919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 119297149737f27457b0411e49af3e4539688e29848fDevang Patel 11939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 11949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 119597149737f27457b0411e49af3e4539688e29848fDevang Patel 11969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 11979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 11989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 119997149737f27457b0411e49af3e4539688e29848fDevang Patel 12009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 12019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 12029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1203be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1204be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1205be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1206be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1207be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1208be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1209be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 12109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 12129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 12139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 121409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 12169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 121709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 121809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 12209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1221be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1222be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel PassManagerType PreferredType) { 122309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 122409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 122509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 122697149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 122797149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 122897149737f27457b0411e49af3e4539688e29848fDevang Patel if (!PMS.empty()) { 122909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 123009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 123109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 12339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 12349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 12369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 12379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 12389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 12409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 12419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 12429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 12439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 12449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 12459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 124697149737f27457b0411e49af3e4539688e29848fDevang Patel 124797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 124897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 12499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 12509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1251531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 12529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 12539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 12549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 125509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 12569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 12579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 125809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 125909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1260cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1261