PassManager.cpp revision 97cf759b822818414f9604c74d3bcfe75a91520b
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// 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> 252bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 26c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 27ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 2945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 38e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 42e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4426426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 50e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 51e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 55c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 597e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 61c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 62c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 65c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 66c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 671997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 68cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 69794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel : PMDataManager(Depth), FunctionPass((intptr_t)&ID) {} 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 71c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 72c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 73c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 74c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 7966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 80964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 81964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 82964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 83964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 84964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 85e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 86e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "BasicBlock Pass Manager"; 87e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 88e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 89ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 90ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 91c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 921554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 931554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 941554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 951554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 96ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 97ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 981554c8545651350569f08dc7370189da1a7e5814Devang Patel 991554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 1011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1021554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1031554c8545651350569f08dc7370189da1a7e5814Devang Patel } 10425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 10584da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 10625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 10725919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 108c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 109c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1101997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 111ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1121554c8545651350569f08dc7370189da1a7e5814Devang Patel 113ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 12036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 12136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1231997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 124cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 125794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel Pass((intptr_t)&ID), PMDataManager(Depth), 126794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 144209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 159cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 164a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 165a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 167a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 176c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1771997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 1787e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1807e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 182c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 183c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 1845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 185c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 186c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1871997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 188cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 189cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman Pass((intptr_t)&ID), PMDataManager(Depth) { } 190693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 191693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 192693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 193dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 194693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 195693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 196dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 197693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 198693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 199693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 200693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 201c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 202c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 203c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 204be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 20566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 20666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 20766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 20866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 20966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 210569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 211569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 212569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 213569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 214569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2150ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2160ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2180ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2190ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 220e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 221e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 222e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 223e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 224ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 225ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 226ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2271554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2281554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2291554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 230dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 231693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2321554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 233ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 234ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 235ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2361554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2371554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2381554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2391554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2401554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2411554c8545651350569f08dc7370189da1a7e5814Devang Patel 24284da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 24384da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 24484da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 249dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 250c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 251c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2521997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2537e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2557e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 256794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 25936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 26036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2631997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 264cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 265cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman Pass((intptr_t)&ID), PMDataManager(Depth), 266cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman PMTopLevelManager(TLM_Pass) { } 267f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 272877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 273e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 274877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 28066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 28166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 28266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 28366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 28466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 285eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 286145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 287c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 288145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 289145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 290145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 291cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 292145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 293689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 294c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 295689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 296a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 297a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 298145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 299a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 300eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 301eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 3035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 3045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 3085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3101997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 311c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 314b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 317c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 319c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 321c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 350c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 352c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 354c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 365c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 36606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3698f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3708f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3718f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3728f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3738f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3748f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3758f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3768f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3778f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3798f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3808f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3818f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3828f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3838f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3848f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3858f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 387edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 3881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 390edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 3911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 394d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 395d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 396d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 397d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 3991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 4031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 409edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 4101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 41163925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 41263925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LUE = LastUser.end(); LUI != LUE; ++LUI) 41363925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner if (LUI->second == P) 41463925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LastUses.push_back(LUI->first); 4151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 42522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 42622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 42722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 437569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 438569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 439569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 440569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 441569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 442569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 443569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 457d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 458d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 459d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 460d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 461d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 462d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 463d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 464d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 465d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 466d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 467d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 468d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 469d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 47897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 47997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 4801a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4811a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 488ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 489a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 490ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 49126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 494ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 495ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 496ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 497ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 498ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 499a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 500ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 501ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 502ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 503ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 504a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 505c32cf54101ecaf336d161fecd58667870149169cDevang Patel 50626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 507c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 508c32cf54101ecaf336d161fecd58667870149169cDevang Patel 509c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 510a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 511c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 512c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 513c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 514c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 515c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 516c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 517c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 518c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5191336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5201336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5211336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 5221336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5231336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 5241336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 5251336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5271336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5281336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5301336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5311336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 5321336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5331336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 534ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 535ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 536ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 537ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 538ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 539ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 540ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 541ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 542ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 543ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 544ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 545ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 546ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 548419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 549889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5502c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 551889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 552419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 553889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5544045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5554045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5564045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5574045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5584045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5594045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5604045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 561889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 562889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 563889739c4d188d28c167644bced9df0f3131317d7Devang Patel 564b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 565f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 566b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 567b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 568b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 569b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 570f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 571f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 572f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 573f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 574f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 575b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 576b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 577b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 5787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 5797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 5807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 5817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel AnalysisUsage AnUsage; 5837b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel P->getAnalysisUsage(AnUsage); 5847b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5857b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel if (AnUsage.getPreservesAll()) 5867b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5877b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5887b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 5897b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 5907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 5917b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 59297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 59397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 59497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 595d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 596d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 5977b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 5987b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5997b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6007b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6017b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 60258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel/// verifyPreservedAnalysis -- Verify analysis presreved by pass P. 60358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 60414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 60514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 6069750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 60714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6089750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 60958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel for (std::vector<AnalysisID>::const_iterator I = PreservedSet.begin(), 61058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 61158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 61258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel Pass *AP = findAnalysisPass(AID, true); 61358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel if (AP) 61458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6159750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 61658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 61758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 61858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel/// Remove Analyss not preserved by Pass P 61958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 62058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisUsage AnUsage; 62158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel P->getAnalysisUsage(AnUsage); 62204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 62304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 62404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 62558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 626b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 62754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 6281a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 629d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 630d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 631d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 63214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 633d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 63414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 635fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 636fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 637fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 638fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 639fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 640fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 641fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 642fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 643fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 644fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 645fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 646fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 64797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 64897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 649d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 650fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 651d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 652fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 653fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 654fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 655889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 656889739c4d188d28c167644bced9df0f3131317d7Devang Patel 657df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 6586b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 6597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 660f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 661edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 6620ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 663693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 6640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 6650ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 6660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 667f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 668f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 669edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 670f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 6714eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 6727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 6734eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 67455d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 675f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 67655d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 6778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 678f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 679f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 680f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 681964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 682f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 683f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 684f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 685df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 686df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6874045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 688893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 689e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 69066eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 691e253385b108cd946b1ac150302f246d3b218be77Devang Patel 692145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 693145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 694cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 695145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 696145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 697cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 698cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 699edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 700cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 701893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 702e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 703e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 704edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LastUses; 705569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 706569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 707569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 708e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 709e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 710569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 711569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 712569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 713e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 714e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 715e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 716cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 717cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 718cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 719cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 720e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 721e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 722e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 723e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 724ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 7257b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 7267b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 727569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 728569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 729569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 730569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 7313f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 7323f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 7333f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 7348df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 7353f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 7368df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 737e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 738cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 739cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 740cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 741cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 742cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 743cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 7440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 7450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 7460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 7470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 7480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 7490ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 7500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 7510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 7520ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 753893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 754893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7550ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 756893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 757e253385b108cd946b1ac150302f246d3b218be77Devang Patel 758e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 759e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 760e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 761e253385b108cd946b1ac150302f246d3b218be77Devang Patel 762569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 763569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 764569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 765569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 766569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 767569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 768569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 769c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 770c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 771c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 772c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 773c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 774c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 775569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 776569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 777569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 778569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 779569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 780c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 78127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 78227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 78327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 78427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 785569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 786569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 787569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 788569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 789569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 79027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 791c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 792c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7932f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7942f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7952f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7972f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 798419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7993799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 8003799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 8012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 8022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 8032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 8042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 80569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 807f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 808f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 809f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 810cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 811298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8132f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8142f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 81569867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 81669867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 81769867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 81869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 81969867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 82069867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 82169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 82369867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 82469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82569867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 82669867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 82769867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 82869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8295b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 83069867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 83169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 832a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 833a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 834a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 835edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 836693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 837693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 838693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 839693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 840693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 841a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 842a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 843edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 844a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 845a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 846a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 847a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 848a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 849a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 850a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 851a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 852a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 853a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 854a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 855a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 856a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 857a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 858a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 859a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 860a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 861a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 862417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 863417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 8646b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 86526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 866a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 867a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 8687f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 8697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 8707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 8717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 8737d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 8747f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8757f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 8767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 8777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8787f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 8817f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 8827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 8837d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 8847f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 8867d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 8877f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 8897d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 8907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 8927d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 8937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8947f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 8957d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 8967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8977f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8987f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 900a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 901a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 902a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 903a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 904a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 90526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 906a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 907a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 908a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 909a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 910a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 911a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 912a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 913a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 914f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 91519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 91619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 91719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 91819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 91919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 92019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 92119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 92219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 92319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 92419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel assert (0 && "Unable to handle Pass that requires lower level Analysis pass"); 92519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 92619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 927ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 928ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 929ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 930ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 931ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 932ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 933ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 934ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 935ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 936ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 937f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 938f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 939f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 940cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 941f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 942f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 943f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 9446b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 9456b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 9466b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 9476b1df0e863963929634d769f39cbce68f030f051Devang Patel} 9486b1df0e863963929634d769f39cbce68f030f051Devang Patel 94906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 95155fd43f90913676682487f89f27c756adb827f66Devang Patel 95255fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 95355fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 95455fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 95555fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 95755fd43f90913676682487f89f27c756adb827f66Devang Patel 9585cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 9591fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9601fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9613b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 962c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 96355fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 9641554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9651554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 966017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9671554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 968017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9696b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 9701554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 971017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9721554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 973693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9741554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 97555fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 9761554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 977693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9787f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 97997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 98097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 9811554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 982693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 98358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 9841554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 9851554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 9866b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 98755fd43f90913676682487f89f27c756adb827f66Devang Patel } 988fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 9891a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 99055fd43f90913676682487f89f27c756adb827f66Devang Patel} 99155fd43f90913676682487f89f27c756adb827f66Devang Patel 992964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 994964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 995964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9961554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9971554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 998964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 999964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1000964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1001964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1002964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1003964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 1005964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1006964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10071554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10081554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1009964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 1010964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1011964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1012964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1013964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1014964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 1016964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1017964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10181554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10191554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1020964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1021964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1022964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1023964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1024964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1025964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 1027964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1028964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10291554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10301554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1031964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1032964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1033964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1034964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1035964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1036964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1037964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 103806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10393162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 104006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1041c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10423162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 10435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1044dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1045dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1046b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1047b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 1048cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 1049b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1050b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1051cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1052cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1053cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10543162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 105537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 105637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 105737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1058c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1059c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1060c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1061c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1062c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 10633162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1064c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1065c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1066c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1067214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1068214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1069214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1070214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 10713162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1072214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1073214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1074a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1075214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1076214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1077c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1078214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1079214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1080214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10813799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10823799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10833162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10843799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10853799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10863799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1087209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 10883799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10893162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10903799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10913799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10923799f97d539f6c288d169063e1b335917fafcffbDevang Patel 109306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 10955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 10965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 10975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 11025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 11085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 11095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 11135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 11195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 11205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 11215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 11235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 11255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 11275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 11285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 11305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 11335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 11385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1139448d27cd795dc273249f123444509403f4fa4facDevang Patel 11401997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1141ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1142ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1143ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1144ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1145ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1146ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1147ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1148ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1149ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1150ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1151ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1152448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1153448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1154448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 11555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1156214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1157214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 11581fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11595cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11601fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11611fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11621554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11631554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11641554c8545651350569f08dc7370189da1a7e5814Devang Patel 1165017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11661554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 1167693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11686b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 11691554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 1170693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11711554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 11728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11731554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1174214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 11751554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1176693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11786b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 11791554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 1180693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 118158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 11821554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 11831554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 11846b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 1185214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1186214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1187214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1188214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1190214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 11925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 11945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 11955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 11975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 12003799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12013799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12021554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12031554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 12043799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 12053799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12073799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12083799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 12113799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12131554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12141554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 12153799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 12163799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12183799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12193799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12203799f97d539f6c288d169063e1b335917fafcffbDevang Patel 122106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 122392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 122492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 122592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 122692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 122792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 12285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 122992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1230c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 12311554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12321554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 12331554c8545651350569f08dc7370189da1a7e5814Devang Patel 1234017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 12351554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1236693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 123797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 123897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 12391554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1240693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12411554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 12428e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12431554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 124492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 12451554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1246693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 124897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 124997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 12501554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1251017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 125258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 12531554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 12541554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 12556b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 125692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 125792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 125892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 125992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1260569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1261569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1262569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1263569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1264569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1265569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1266569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1267569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1268569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1269569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1270569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1271dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 12720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1273dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1274dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1275dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1276dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 12770ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 12780ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1279dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 12800ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1281dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1282edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1283dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1284dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1285569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 12860ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12870ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 12880ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 12890ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 12900ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 12910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 12920ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 1293dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 12940ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 12950ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1296dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1297dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(AID); 12980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 12990ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 13000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 130106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 130206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 130337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1304b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1305b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 13065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1307b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1308b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 130945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 13108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 13118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1312c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 13135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 131445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 13151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 13165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1318a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1319b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1320b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1321b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 13225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 132306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 132406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 132506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 13265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 13273162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 13285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1329dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1330dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 13315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13333162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 133437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 133537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 133637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 13375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 13385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 13395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 13405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 13415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 13423162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 13435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 13445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 13475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 13485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 13493162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 13505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 13515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 13548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 13558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 13568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 13578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 13588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 13598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 13608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 13618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 13628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 13648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 13658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 13668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 13678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 13688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 13708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 13718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 13728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 13738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 13748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 13758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1387c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 138809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 138909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 139009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 139136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 139209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 139309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 139409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 139509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 139609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 139709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 139809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 139909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 140009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 140297149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 140309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140497149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 140597149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 140697149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 140797149737f27457b0411e49af3e4539688e29848fDevang Patel 140897149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 140997149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 141097149737f27457b0411e49af3e4539688e29848fDevang Patel } 141197149737f27457b0411e49af3e4539688e29848fDevang Patel else { 141297149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 141397149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 141497149737f27457b0411e49af3e4539688e29848fDevang Patel 141597149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 141697149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 141797149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 141897149737f27457b0411e49af3e4539688e29848fDevang Patel } 141997149737f27457b0411e49af3e4539688e29848fDevang Patel 142097149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 142197149737f27457b0411e49af3e4539688e29848fDevang Patel} 142209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 142397149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 142497149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 142597149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 142697149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 142797149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 1428fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("%s ", P->getPassName()); 142997149737f27457b0411e49af3e4539688e29848fDevang Patel } 143097149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1431fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 143209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 143309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 143509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1436be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1437bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 143809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 144009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 144144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 144244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 144344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 144444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 144509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 14466b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 14476b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 144809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 144909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 145044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 145109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 145209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 14549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1455be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1456bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 145709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 145897149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 145909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 14606b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 14616b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 146209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 14639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 146409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 14659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 146609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 14689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 14699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 14709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 147197149737f27457b0411e49af3e4539688e29848fDevang Patel 14729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 14739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 147497149737f27457b0411e49af3e4539688e29848fDevang Patel 14759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 147897149737f27457b0411e49af3e4539688e29848fDevang Patel 14799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 14809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 14819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1482be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1483be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1484be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1485be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1486be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1487be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1488be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 14899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 14929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 149309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 14959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 149609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 149709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 14999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1500be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1501bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 150209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 150309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 150409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 150597149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 150697149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1507fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 150809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 150909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 15119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 15129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 15149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 15159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 15169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 15189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 15199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 15219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 15229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 15239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 152497149737f27457b0411e49af3e4539688e29848fDevang Patel 152597149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 152697149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 15279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 15289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1529531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 15309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 15319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 15329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 153309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 15359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 153609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 153709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1538cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1539