PassManager.cpp revision edbef3806777af3dfaba340801e609492e47f732
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 17c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 1855fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 193799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 208f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 22ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 2385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 24b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 25c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 26ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 2845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 2945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 37e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 38e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4326426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 50e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 54c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 587e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 60c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 61c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 64c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 65c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 661997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 67794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel BBPassManager(int Depth) 68794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel : PMDataManager(Depth), FunctionPass((intptr_t)&ID) {} 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 71c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 72c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 73c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 7866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 79964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 80964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 81964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 82964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 83964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 84e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 85e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "BasicBlock Pass Manager"; 86e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 87e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 88ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 89ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 90c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 911554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 921554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 931554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 941554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 95ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 96ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 971554c8545651350569f08dc7370189da1a7e5814Devang Patel 981554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 991554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1011554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1021554c8545651350569f08dc7370189da1a7e5814Devang Patel } 10325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 10484da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 10525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 10625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 107c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 108c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1091997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 110ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1111554c8545651350569f08dc7370189da1a7e5814Devang Patel 112ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 11936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 12036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1221997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 123794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel FunctionPassManagerImpl(int Depth) : 124794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel Pass((intptr_t)&ID), PMDataManager(Depth), 125794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doFinalization - Run all of the initializers for the function passes. 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 158cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 163a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 164a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 166a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 174c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1761997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 1777e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1797e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 181c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 182c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 1835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 184c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 185c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1861997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 187794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel MPPassManager(int Depth) : Pass((intptr_t)&ID), PMDataManager(Depth) { } 188693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 189693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 190693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 191dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 192693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 193693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 194dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 195693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 196693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 197693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 198693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 199c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 200c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 201c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 202be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 20366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 20466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 20566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 20666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 20766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 208569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 209569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 210569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 211569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 212569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2130ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2140ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2150ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2160ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 218e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 219e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 220e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 221e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 222ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 223ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 224ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2251554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2261554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2271554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 228dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 229693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2301554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 231ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 232ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 233ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2341554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2351554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2361554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2371554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2381554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2391554c8545651350569f08dc7370189da1a7e5814Devang Patel 24084da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 24184da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 24284da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 247dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 248c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 249c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2501997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2517e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2537e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 254794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 25736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 25836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2611997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 262794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PassManagerImpl(int Depth) : Pass((intptr_t)&ID), PMDataManager(Depth), 2638f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Pass) { } 264f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 269877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 270e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 271877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 27766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 27866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 27966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 28066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 28166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 282eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 283145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 284c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 285145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 286145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 287145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 288cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 289145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 290689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 291c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 292689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 293a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 294a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 295145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 296a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 297eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 298eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 2995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 3005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 3015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 3055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3071997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 308c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 310c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 311b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 317c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 319c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 321c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 350c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 352c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 354c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 36306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3668f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3678f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3688f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3698f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3708f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3718f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3728f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3738f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3748f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3758f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3768f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3778f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3798f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3808f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3818f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3828f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 384edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 3851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 387edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 3881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 391d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 392d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 393d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 394d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 3951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 3961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 3971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 3991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 406edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 4071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 40863925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 40963925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LUE = LastUser.end(); LUI != LUE; ++LUI) 41063925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner if (LUI->second == P) 41163925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LastUses.push_back(LUI->first); 4121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 42222a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 42322a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 42422a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 434569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 435569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 436569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 437569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 438569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 439569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 440569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 454d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 455d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 456d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 457d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 458d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 459d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 460d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 461d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 462d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 463d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 464d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 465d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 466d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 4751a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 4761a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4771a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 484ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 485a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 486ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 48726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 490ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 491ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 492ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 493ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 494ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 495a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 496ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 497ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 498ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 499ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 500a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 501c32cf54101ecaf336d161fecd58667870149169cDevang Patel 50226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 503c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 504c32cf54101ecaf336d161fecd58667870149169cDevang Patel 505c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 506a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 507c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 508c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 509c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 510c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 511c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 512c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 513c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 514c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5161336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5171336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 5181336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5191336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 5201336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 5211336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5221336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5231336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5241336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5251336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5271336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 5281336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 530ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 531ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 532ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 533ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 534ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 535ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 536ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 537ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 538ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 539ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 540ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 541ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 542ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 544419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 545889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5462c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 547889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 548419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 549889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5504045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5514045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5524045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5534045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5544045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5554045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5564045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 557889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 558889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 559889739c4d188d28c167644bced9df0f3131317d7Devang Patel 560b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 561f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 562b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 563b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 564b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 565b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 566f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 567f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 568f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 569f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 570f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 571b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 572b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 573b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 5747b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 5757b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 5767b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 5777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel AnalysisUsage AnUsage; 5797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel P->getAnalysisUsage(AnUsage); 5807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel if (AnUsage.getPreservesAll()) 5827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5837b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5847b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 5857b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 5867b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 5877b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 588d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(P1) 589d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), P1->getPassInfo()) == 590d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 591d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 5927b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 5937b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5947b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5957b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 5967b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 59758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel/// verifyPreservedAnalysis -- Verify analysis presreved by pass P. 59858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 59914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 60014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 6019750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 60214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6039750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 60458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel for (std::vector<AnalysisID>::const_iterator I = PreservedSet.begin(), 60558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 60658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 60758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel Pass *AP = findAnalysisPass(AID, true); 60858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel if (AP) 60958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6109750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 61158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 61258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 61358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel/// Remove Analyss not preserved by Pass P 61458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 61558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisUsage AnUsage; 61658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel P->getAnalysisUsage(AnUsage); 61704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 61804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 61904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 62058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 621b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 62254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 6231a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 624d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 625d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 626d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 62714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 628d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 62914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 630fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 631fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 632fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 633fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 634fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 635fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 636fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 637fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 638fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 639fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 640fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 641fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 642d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 643d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 644d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 645fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 646d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 647fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 648fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 649fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 650889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 651889739c4d188d28c167644bced9df0f3131317d7Devang Patel 652df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 6537f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string Msg, 6547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 655f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 656edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 6570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 658693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 6590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 6600ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 6610ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 662f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 663f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 664edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 665f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 6664eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 6677f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 6684eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 66955d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 670f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 67155d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 6728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 673f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 674f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 675f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 676964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 677f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 678f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 679f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 680df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 681df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6824045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 683893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 684e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 68566eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 686e253385b108cd946b1ac150302f246d3b218be77Devang Patel 687145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 688145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 689cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 690145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 691145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 692cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 693cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 694edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 695cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 696893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 697e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 698e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 699edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LastUses; 700569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 701569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 702569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 703e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 704e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 705569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 706569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 707569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 708e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 709e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 710e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 711cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 712cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 713cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 714cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 715e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 716e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 717e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 718e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 719ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 7207b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 7217b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 722569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 723569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 724569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 725569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 7263f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 7273f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 7283f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 7298df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 7303f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 7318df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 732e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 733cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 734cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 735cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 736cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 737cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 738cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 7390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 7400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 7410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 7420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 7430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 7440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 7450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 7460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 7470ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 748893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 749893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7500ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 751893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 752e253385b108cd946b1ac150302f246d3b218be77Devang Patel 753e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 754e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 755e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 756e253385b108cd946b1ac150302f246d3b218be77Devang Patel 757569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 758569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 759569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 760569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 761569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 762569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 763569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 764c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 765c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 766c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 767c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 768c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 769c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 770569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 771569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 772569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 773569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 774569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 775c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 77627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 77727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 77827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 77927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 780569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 781569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 782569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 783569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 784569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 78527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 786c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 787c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7902f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7912f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7922f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 793419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7943799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7953799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7972f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7982f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7992f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 80069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 802f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 803f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 804f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 805cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 806298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8082f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8092f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 81069867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 81169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 81269867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 81369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 81469867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 81569867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 81669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 81769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 81869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 81969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 82169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 82269867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 82369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8245b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 82569867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 82669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 827a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 828a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 829a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 830edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 831693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 832693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 833693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 834693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 835693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 836a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 837a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 838edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 839a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 840a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 841a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 842a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 843a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 844a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 845a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 846a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 847a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 848a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 849a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 850a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 851a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 852a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 853a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 854a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 855a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 856a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 8577f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, enum PassDebuggingString S1, 8587f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString S2, 8597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel std::string Msg) { 86026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 861a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 862a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 8637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 8647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 8657f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 8667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8677f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 8687d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 8697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 8717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 8727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8737f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8747f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8757f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 8767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 8777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 8787d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 8797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 8817d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 8827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8837f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 8847d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 8857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 8877d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 8887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 8907d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 8917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8927f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8947f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 895a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 896a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 897a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 898a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 899a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 90026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 901a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 902a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 903a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 904a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 905a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 906a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 907a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 908a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 909f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 910ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 911ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 912ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 913ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 914ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 915ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 916ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 917ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 918ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 919ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 920f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 921f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 922f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 923cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 924f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 925f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 926f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 9276b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 9286b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 9296b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 9306b1df0e863963929634d769f39cbce68f030f051Devang Patel} 9316b1df0e863963929634d769f39cbce68f030f051Devang Patel 93206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 93455fd43f90913676682487f89f27c756adb827f66Devang Patel 93555fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 93655fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 93755fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 93855fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 94055fd43f90913676682487f89f27c756adb827f66Devang Patel 9415cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 9421fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9431fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9443b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 945c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 94655fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 9471554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9481554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 949017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9501554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 951017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9531554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 954017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9551554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 956693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9571554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 95855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 9591554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 960693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 9627f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9631554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 964693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 96558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 9661554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 9671554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 9687f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(BP, (*I).getName(), ON_BASICBLOCK_MSG); 9697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel 97055fd43f90913676682487f89f27c756adb827f66Devang Patel } 9711a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 97255fd43f90913676682487f89f27c756adb827f66Devang Patel} 97355fd43f90913676682487f89f27c756adb827f66Devang Patel 974964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 976964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 977964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9781554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9791554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 980964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 981964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 982964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 983964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 984964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 985964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 987964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 988964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9891554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9901554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 991964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 992964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 993964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 994964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 995964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 996964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 998964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 999964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10001554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1002964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1003964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1004964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1005964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1006964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1007964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 1009964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1010964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10111554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10121554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1013964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1014964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1015964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1016964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1017964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1018964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1019964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 102006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10213162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 102206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1023c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10243162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 10255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1026dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1027dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1028b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1029b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 1030cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 1031b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1032b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1033cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1034cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1035cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10363162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 103737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 103837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 103937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1040c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1041c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1042c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1043c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1044c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 10453162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1046c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1047c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1048c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1049214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1050214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1051214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1052214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 10533162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1054214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1055214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1056a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1057214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1058214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1059c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1060214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1061214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1062214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10633799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10643799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10653162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10663799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10673799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10683799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10693799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10703799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10713162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10723799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10733799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10743799f97d539f6c288d169063e1b335917fafcffbDevang Patel 107506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 10775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 10785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 10795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 10845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 10905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 10955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 11015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 11025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 11035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 11055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 11075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 11095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 11105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11111336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 11125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 11155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 11205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1121448d27cd795dc273249f123444509403f4fa4facDevang Patel 11221997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1123ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1124ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1125ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1126ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1127ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1128ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1129ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1130ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1131ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1132ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1133ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1134448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1135448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1136448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 11375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1138214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1139214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 11401fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11415cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11421fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11431fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11441554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11451554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11461554c8545651350569f08dc7370189da1a7e5814Devang Patel 1147017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11481554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 1149693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 11511554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 1152693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11531554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 11548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11551554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1156214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 11571554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1158693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 11611554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 1162693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 116358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 11641554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 11651554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 11667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1167214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1168214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1169214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1170214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1172214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 11745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 11765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 11775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 11795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 11823799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11833799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11841554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11851554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11863799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 11873799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11893799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11903799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11913799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 11933799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11943799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11951554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11961554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11973799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11983799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11993799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12003799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12013799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12023799f97d539f6c288d169063e1b335917fafcffbDevang Patel 120306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 120592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 120692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 120792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 120892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 120992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 12105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 121192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1212c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 12131554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12141554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 12151554c8545651350569f08dc7370189da1a7e5814Devang Patel 1216017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 12171554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1218693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 12201554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1221693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12221554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 12238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12241554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 122592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 12261554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1227693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 12297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 12307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel M.getModuleIdentifier()); 12311554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1232017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 123358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 12341554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 12351554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 12367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 123792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 123892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 123992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 124092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1241569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1242569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1243569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1244569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1245569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1246569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1247569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1248569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1249569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1250569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1251569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1252dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 12530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1254dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1255dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1256dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1257dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 12580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 12590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1260dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 12610ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1262dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1263edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1264dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1265dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1266569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 12670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 12690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 12700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 12710ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 12720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 12730ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 1274dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 12750ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 12760ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1277dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1278dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(AID); 12790ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 12800ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12810ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 128206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 128306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 128437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1285b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1286b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 12875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1288b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1289b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 129045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 12928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1293c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 12945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 129545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12961336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 12975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1299a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1300b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1301b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1302b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 13035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 130406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 130506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 130606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 13075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 13083162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 13095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1310dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1311dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 13125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13143162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 131537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 131637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 131737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 13185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 13195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 13205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 13215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 13225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 13233162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 13245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 13255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 13285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 13295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 13303162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 13315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 13325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 13358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 13368e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 13378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 13388e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 13398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 13408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 13418e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 13428e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 13438e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13448e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 13458e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 13468e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 13478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 13488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 13498e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13508e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 13518e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 13528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 13538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 13548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 13558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 13568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1366c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1367c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 136909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 137009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 137109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 137236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 137309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 137409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 137509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 137609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 137709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 137809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 137909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 138009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 138109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 138209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 138397149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 138409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 138597149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 138697149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 138797149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 138897149737f27457b0411e49af3e4539688e29848fDevang Patel 138997149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 139097149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 139197149737f27457b0411e49af3e4539688e29848fDevang Patel } 139297149737f27457b0411e49af3e4539688e29848fDevang Patel else { 139397149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 139497149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 139597149737f27457b0411e49af3e4539688e29848fDevang Patel 139697149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 139797149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 139897149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 139997149737f27457b0411e49af3e4539688e29848fDevang Patel } 140097149737f27457b0411e49af3e4539688e29848fDevang Patel 140197149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 140297149737f27457b0411e49af3e4539688e29848fDevang Patel} 140309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140497149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 140597149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 140697149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 140797149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 140897149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 140997149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("%s ", P->getPassName()); 141097149737f27457b0411e49af3e4539688e29848fDevang Patel } 141197149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 141297149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("\n"); 141309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 141409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 141509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 141609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1417be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1418bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 141909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 142009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 142109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 142244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 142344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 142444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 142544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 142609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 14276b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 14286b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 142909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 143009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 143209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 143309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 14359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1436be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1437bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 143809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143997149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 144009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 14416b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 14426b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 144309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 14449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 144509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 14469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 144709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 14499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 14509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 14519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 145297149737f27457b0411e49af3e4539688e29848fDevang Patel 14539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 14549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 145597149737f27457b0411e49af3e4539688e29848fDevang Patel 14569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 145997149737f27457b0411e49af3e4539688e29848fDevang Patel 14609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 14619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 14629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1463be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1464be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1465be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1466be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1467be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1468be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1469be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 14709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 14739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 147409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 14769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 147709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 147809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 14809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1481be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1482bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 148309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 148409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 148509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 148697149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 148797149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 148897149737f27457b0411e49af3e4539688e29848fDevang Patel if (!PMS.empty()) { 148909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 149009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 149109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 14939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 14949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 14969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 14979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 14989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 15009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 15019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 15039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 15049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 15059d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 150697149737f27457b0411e49af3e4539688e29848fDevang Patel 150797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 150897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 15099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 15109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1511531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 15129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 15139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 15149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 151509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 15179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 151809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 151909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1520cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1521