PassManager.cpp revision 569a6fd9d59d67bc79f63f69ef14f91b0fda6c4a
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 17c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 1855fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 193799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 208f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 22ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 2385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 24b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 25c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 26ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 2845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 2945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 37e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 38e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4326426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 50e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 54c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 587e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 60c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 61c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 64c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 65c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel BBPassManager(int Depth) : PMDataManager(Depth) { } 67c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 68c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 71c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 7666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 77964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 78964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 79964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 80964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 81964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 82e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 83e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "BasicBlock Pass Manager"; 84e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 85e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 86ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 87ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 88c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 891554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 901554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 911554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 921554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 93ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 94ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 951554c8545651350569f08dc7370189da1a7e5814Devang Patel 961554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 971554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 981554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 991554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel } 10125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 10284da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 10325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 10425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 105c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 106c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 107ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1081554c8545651350569f08dc7370189da1a7e5814Devang Patel 109ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 11636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 11736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1208f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FunctionPassManagerImpl(int Depth) : PMDataManager(Depth), 1218f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Function) { } 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doFinalization - Run all of the initializers for the function passes. 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 154cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 159a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 160a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 162a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1737e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1757e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 177c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 178c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 180c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 181c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 182a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel MPPassManager(int Depth) : PMDataManager(Depth) { } 183c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 184c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 185c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 186c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 187be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 18866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 18966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 19066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 19166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 19266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 193569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 194569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 195569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 196569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 197569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 198e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 199e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 200e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 201e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 202ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 203ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 204ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2051554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2061554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2071554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 2081554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 209ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 210ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 211ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2121554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2131554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2141554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2151554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2161554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2171554c8545651350569f08dc7370189da1a7e5814Devang Patel 21884da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 21984da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 22084da80d10b472332d079c58d21aa48b82e636274Devang Patel } 221c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 222c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2237e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2257e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 22836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 22936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2338f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PassManagerImpl(int Depth) : PMDataManager(Depth), 2348f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Pass) { } 235f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 240877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 241e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 242877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 24866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 24966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 25066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 25166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 25266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 253eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 254145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 255c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 256145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 257145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 258145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 259cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 260145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 261689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 262c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 263689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 264a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 265a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 266145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 267a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 268eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 269eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 2705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 2715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 2725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 2735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 2745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 2775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 278c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 2798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 280c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 281b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 282c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 283c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 284c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 285c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 286c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 287c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 288c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 289c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 290c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 291c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 292c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 293c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 294c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 295c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 296c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 297c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 298c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 299c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 300c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 301c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 302c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 303c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 304c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 305c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 306c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 307c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 308c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 309c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 310c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 311c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 317c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 319c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 321c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 33306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3368f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3378f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3388f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3398f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3408f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3418f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3428f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3438f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3448f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3458f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3468f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3478f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3488f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3498f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3508f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3518f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3528f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 3541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 3551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 3581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 361d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 362d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 363d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 364d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 3651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 3661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 3671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 3691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 3701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 3711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 3761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 3771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 37863925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 37963925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LUE = LastUser.end(); LUI != LUE; ++LUI) 38063925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner if (LUI->second == P) 38163925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LastUses.push_back(LUI->first); 3821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 3851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 3861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 3871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 3881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 3909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 3911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 39290f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel // If this Analysis is already requested by one of the previous pass 39390f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel // and it is still available then do not insert new pass in the queue again. 39490f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel if (findAnalysisPass(P->getPassInfo())) 39590f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel return; 39690f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel 39722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 39822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 39922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 409569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 410569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 411569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 412569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 413569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 414569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 415569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 429d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 430d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 431d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 432d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 433d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 434d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 435d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 436d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 437d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 438d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 439d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 440d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 441d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 4501a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 4511a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4521a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 459ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 460a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 461ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 46226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 465ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 466ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 467ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 468ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 469ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 470a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 472ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 473ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 474ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 475a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 476c32cf54101ecaf336d161fecd58667870149169cDevang Patel 47726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 478c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 479c32cf54101ecaf336d161fecd58667870149169cDevang Patel 480c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 481a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 482c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 483c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 484c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 485c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 486c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 487c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 488c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 489c32cf54101ecaf336d161fecd58667870149169cDevang Patel 4901336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 4911336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 4921336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 4931336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 4941336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 4951336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 4961336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 4971336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 4981336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 4991336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5001336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5011336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5021336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 5031336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5041336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 505ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 506ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 507ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 508ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 509ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 510ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 511ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 512ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 513ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 514ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 515ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 516ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 517ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 5181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 519419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 520889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5212c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 522889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 523419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 524889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5254045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5264045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5274045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5284045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5294045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5304045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5314045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 532889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 533889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 534889739c4d188d28c167644bced9df0f3131317d7Devang Patel 535b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 536f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 537b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 538b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 539b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 540b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 541f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 542f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 543f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 544f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 545f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 546b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 547b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 548b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 5497b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 5507b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 5517b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 5527b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5537b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel AnalysisUsage AnUsage; 5547b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel P->getAnalysisUsage(AnUsage); 5557b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5567b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel if (AnUsage.getPreservesAll()) 5577b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5587b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5597b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 5607b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 5617b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 5627b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 563d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(P1) 564d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), P1->getPassInfo()) == 565d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 566d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 5677b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 5687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5697b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5707b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 5717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 572889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 573419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 57414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 57514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 57614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 57704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 57804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 57904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 58004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 581b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 58254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 5831a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 584d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 585d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 586d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 58714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 588d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 58914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 590fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 591fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 592fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 593fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 594fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 595fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 596fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 597fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 598fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 599fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 600fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 601fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 602d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 603d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 604d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 605fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 606d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 607fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 608fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 609fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 610889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 611889739c4d188d28c167644bced9df0f3131317d7Devang Patel 612df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 6137f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string Msg, 6147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 615f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 616f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 617f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 618f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 619f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 620f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 6214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 6227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 6234eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 62455d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 625f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 62655d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 6278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 628f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 629f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 630f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 631964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 632f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 633f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 634f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 635df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 636df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6374045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 638893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 639e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 64066eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 641e253385b108cd946b1ac150302f246d3b218be77Devang Patel 642145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 643145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 644cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 645145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 646145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 647cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 648cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 649cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel std::vector<Pass *> TransferLastUses; 650cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 651893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 652e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 653e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 654e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 655569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 656569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 657569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 658e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 659e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 660569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 661569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 662569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 663e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 664e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 665e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 666cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 667cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 668cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 669cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 670e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 671e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 672e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 673e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 674ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 6757b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 6767b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 677569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 678569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 679569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 680569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 681569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Now, take care of required analysises that are not available. 682569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<AnalysisID, 8>::iterator 683569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel I = ReqAnalysisNotAvailable.begin(), 684569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 685569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *AnalysisPass = (*I)->createPass(); 686569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 687e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 688e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 6893f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 6903f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 6913f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 6928df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 6933f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 6948df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 695e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 696cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 697cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 698cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 699cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 700cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 701cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 7020ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 703893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 704893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7050ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 706893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 707e253385b108cd946b1ac150302f246d3b218be77Devang Patel 708e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 709e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 710e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 711e253385b108cd946b1ac150302f246d3b218be77Devang Patel 712569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 713569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 714569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 715569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 716569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 717569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 718569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 719c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 720c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 721c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 722c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 723c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 724c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 725569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 726569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 727569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 728569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 729569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 730c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 73127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 73227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 73327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 73427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 735569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 736569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 737569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 738569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 739569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 74027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 741c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 742c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7432f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7442f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7452f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7462f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7472f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 748419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7493799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7503799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7512f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 75569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 7562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 7572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 758cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 759298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 7602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 7612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 7622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 76369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 76469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 76569867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 76669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 76769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 76869867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 76969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 77069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 77169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 77269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 77369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 77469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 77569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 77669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 7775b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 77869867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 77969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 780a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 781a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 782a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 783a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::vector<Pass *> LUses; 784a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 785a52035a062edf9bfbf95c92c615219b647042c17Devang Patel assert (TPM && "Top Level Manager is missing"); 786a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 787a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 788a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 789a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 790a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 791a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 792a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 793a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 794a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 795a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 796a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 797a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 798a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 799a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 800a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 801a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 802a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 803a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 804a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 805a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 806a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 8077f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, enum PassDebuggingString S1, 8087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString S2, 8097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel std::string Msg) { 81026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 811a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 812a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 8137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 8147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 8157f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 8167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8177f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 8187f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' Made Modification '" << P->getPassName(); 8197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8207f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 8217f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 8227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8237f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8257f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 8267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 8277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 8287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on BasicBlock '" << Msg << "...\n"; 8297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 8317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Function '" << Msg << "...\n"; 8327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 8347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Module '" << Msg << "...\n"; 8357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 8377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Loop " << Msg << "...\n"; 8387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 8407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Call Graph " << Msg << "...\n"; 8417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 845a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 846a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 847a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 848a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 849a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 85026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 851a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 852a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 853a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 854a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 855a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 856a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 857a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 858a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 859f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 860ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 861ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 862ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 863ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 864ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 865ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 866ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 867ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 868ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 869ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 870f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 871f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 872f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 873cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 874f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 875f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 876f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 87706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 87955fd43f90913676682487f89f27c756adb827f66Devang Patel 88055fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 88155fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 88255fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 88355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 88555fd43f90913676682487f89f27c756adb827f66Devang Patel 8865cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 8871fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 8881fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 8893b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 890c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 89155fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 8921554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 8931554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 894017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 8951554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 896017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 8977f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 8981554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 899017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9001554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 901693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9021554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 90355fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 9041554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 905693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 9077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9081554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 909693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9101554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 9111554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 9127f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(BP, (*I).getName(), ON_BASICBLOCK_MSG); 9137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel 91455fd43f90913676682487f89f27c756adb827f66Devang Patel } 9151a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 91655fd43f90913676682487f89f27c756adb827f66Devang Patel} 91755fd43f90913676682487f89f27c756adb827f66Devang Patel 918964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 920964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 921964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9221554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9231554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 924964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 925964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 926964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 927964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 928964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 929964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 931964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 932964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9331554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9341554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 935964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 936964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 937964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 938964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 939964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 940964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 942964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 943964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9441554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9451554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 946964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 947964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 948964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 949964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 950964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 951964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 953964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 954964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9551554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9561554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 957964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 958964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 959964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 960964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 961964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 962964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 963964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 96406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9653162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 96606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 967c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 9683162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 9695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 970dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 971dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 972b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 973b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 974cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 975b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 976b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 977cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 978cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 979cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 9803162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 98137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 98237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 98337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 984c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 985c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 986c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 987c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 988c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 9893162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 990c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 991c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 992c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 993214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 994214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 995214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 996214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 9973162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 998214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 999214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1000e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 1001214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1002214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1003c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1004214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1005214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1006214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10073799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10083799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10093162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10103799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10113799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10133799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10143799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10153162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10163799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10173799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10183799f97d539f6c288d169063e1b335917fafcffbDevang Patel 101906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 10215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 10225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 10235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 10285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 10345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 10395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 10455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 10465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 10475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 10515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 10535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 10545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10551336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 10565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 10595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 10645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1065448d27cd795dc273249f123444509403f4fa4facDevang Patel 1066ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1067ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1068ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1069ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1070ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1071ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1072ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1073ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1074ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1075ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1076ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1077448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1078448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1079448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 10805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1081214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1082214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 10831fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10845cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 10851fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10861fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10871554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10881554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 10891554c8545651350569f08dc7370189da1a7e5814Devang Patel 1090017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 10911554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 1092693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 10937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 10941554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 1095693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 10961554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 10978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 10981554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1099214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 11001554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1101693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11037f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 11041554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 1105693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11061554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 11071554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 11087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1109214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1110214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1111214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1112214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1114214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 11165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 11185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 11195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 11215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 11243799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11253799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11261554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11271554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11283799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 11293799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11303799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11313799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11323799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11333799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 11353799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11363799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11371554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11381554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11393799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11403799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11413799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11423799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11433799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11443799f97d539f6c288d169063e1b335917fafcffbDevang Patel 114506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 114792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 114892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 114992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 115092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 115192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 115392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1154c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 11551554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11561554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 11571554c8545651350569f08dc7370189da1a7e5814Devang Patel 1158017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11591554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1160693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 11621554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1163693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11641554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 11658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11661554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 116792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 11681554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1169693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 11727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel M.getModuleIdentifier()); 11731554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1174017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11751554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 11761554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 11777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 117892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 117992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 118092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 118192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1182569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1183569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1184569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1185569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1186569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1187569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1188569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1189569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1190569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1191569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1192569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1193569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && 1194569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel "Unable to handle Pass that requires lower level Analysis pass"); 1195569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 1196569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 119706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 119806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 119937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1200b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1201b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 12025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1203b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1204b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 120545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 12078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1208c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 12095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 121045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12111336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 12125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1214a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1215b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1216b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1217b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 121906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 122006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 122106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12233162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 12245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1225dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1226dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12293162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 123037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 123137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 123237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 12335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 12365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 12375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 12383162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 12395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 12405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 12435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 12445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 12453162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 12465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 12475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12498e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 12508e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 12518e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 12528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 12538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 12548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 12558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 12568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 12578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 12588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 12608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 12618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 12628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 12638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 12648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 12668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 12678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 12688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 12698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 12708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 12718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1272c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1273c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1274c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1275c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1276c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1277c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1278c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1279c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1280c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1281c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1282c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1283c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 128409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 128509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 128609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 128736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 128809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 128909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 129009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 129109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 129209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 129309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 129409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 129509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 129609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 129709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 129897149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 129909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 130097149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 130197149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 130297149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 130397149737f27457b0411e49af3e4539688e29848fDevang Patel 130497149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 130597149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 130697149737f27457b0411e49af3e4539688e29848fDevang Patel } 130797149737f27457b0411e49af3e4539688e29848fDevang Patel else { 130897149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 130997149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 131097149737f27457b0411e49af3e4539688e29848fDevang Patel 131197149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 131297149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 131397149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 131497149737f27457b0411e49af3e4539688e29848fDevang Patel } 131597149737f27457b0411e49af3e4539688e29848fDevang Patel 131697149737f27457b0411e49af3e4539688e29848fDevang Patel AnalysisResolver *AR = new AnalysisResolver(*Top); 131797149737f27457b0411e49af3e4539688e29848fDevang Patel P->setResolver(AR); 131897149737f27457b0411e49af3e4539688e29848fDevang Patel 131997149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 132097149737f27457b0411e49af3e4539688e29848fDevang Patel} 132109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 132297149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 132397149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 132497149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 132597149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 132697149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 132797149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("%s ", P->getPassName()); 132897149737f27457b0411e49af3e4539688e29848fDevang Patel } 132997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 133097149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("\n"); 133109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 133209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 133309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 133409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1335be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1336bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 133709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 133809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 133909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 134044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 134144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 134244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 134344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 134409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 13456b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 13466b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 134709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 134809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 134944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 135009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 135109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 13539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1354be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1355bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 135609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 135797149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 135809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 13596b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 13606b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 136109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 13629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 136309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 13649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 136509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 13679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 13689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 13699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 137097149737f27457b0411e49af3e4539688e29848fDevang Patel 13719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 13729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 137397149737f27457b0411e49af3e4539688e29848fDevang Patel 13749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 13759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 13769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 137797149737f27457b0411e49af3e4539688e29848fDevang Patel 13789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 13799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 13809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1381be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1382be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1383be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1384be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1385be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1386be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1387be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 13889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 13899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 13909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 13919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 139209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 13949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 139509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 139609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 13989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1399be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1400bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 140109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 140309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140497149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 140597149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 140697149737f27457b0411e49af3e4539688e29848fDevang Patel if (!PMS.empty()) { 140709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 140809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 140909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 14119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 14129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 14149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 14159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 14169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 14189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 14199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 14229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 142497149737f27457b0411e49af3e4539688e29848fDevang Patel 142597149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 142697149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 14279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 14289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1429531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 14309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 14329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 143309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 14359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 143609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 143709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1438cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1439