PassManager.cpp revision dfa1ec3bc24930cbc42283ee8337c0711580fe1f
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) { } 183693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 184693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 185693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 186dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 187693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 188693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 189dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 190693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 191693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 192693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 193693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 194c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 195c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 196c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 197be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 19866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 19966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 20066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 20166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 20266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 203569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 204569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 205569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 206569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 207569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2090ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2120ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 213e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 214e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 215e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 216e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 217ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 218ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 219ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2201554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2211554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2221554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 223dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 224693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2251554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 226ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 227ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 228ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2291554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2301554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2311554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2321554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2331554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2341554c8545651350569f08dc7370189da1a7e5814Devang Patel 23584da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 23684da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 23784da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 242dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 243c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 244c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2457e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2477e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 25036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 25136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2558f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PassManagerImpl(int Depth) : PMDataManager(Depth), 2568f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Pass) { } 257f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 262877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 263e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 264877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 27066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 27166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 27266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 27366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 27466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 275eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 276145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 277c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 278145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 279145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 280145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 281cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 282145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 283689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 284c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 285689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 286a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 287a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 288145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 289a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 290eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 291eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 2925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 2935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 2945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 2955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 2965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 2995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 300c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 302c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 303b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 304c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 305c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 306c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 307c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 308c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 309c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 310c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 311c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 317c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 319c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 321c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 350c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 352c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 354c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 35506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3588f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3598f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3608f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3618f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3628f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3638f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3648f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3658f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3668f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3678f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3688f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3698f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3708f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3718f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3728f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3738f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3748f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 3761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 3771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 3801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 383d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 384d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 385d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 386d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 3871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 3881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 3891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 3911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 3921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 3991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 40063925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 40163925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LUE = LastUser.end(); LUI != LUE; ++LUI) 40263925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner if (LUI->second == P) 40363925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LastUses.push_back(LUI->first); 4041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 41490f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel // If this Analysis is already requested by one of the previous pass 41590f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel // and it is still available then do not insert new pass in the queue again. 41690f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel if (findAnalysisPass(P->getPassInfo())) 41790f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel return; 41890f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel 41922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 42022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 42122a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 431569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 432569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 433569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 434569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 435569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 436569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 437569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 451d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 452d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 453d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 454d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 455d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 456d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 457d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 458d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 459d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 460d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 461d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 462d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 463d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 4721a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 4731a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4741a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 481ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 482a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 483ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 48426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 487ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 488ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 489ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 490ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 491ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 492a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 493ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 494ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 495ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 496ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 497a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 498c32cf54101ecaf336d161fecd58667870149169cDevang Patel 49926426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 500c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 501c32cf54101ecaf336d161fecd58667870149169cDevang Patel 502c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 503a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 504c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 505c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 506c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 507c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 508c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 509c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 510c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 511c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5121336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5131336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5141336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 5151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5161336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 5171336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 5181336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5191336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5201336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5211336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5221336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5231336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5241336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 5251336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 527ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 528ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 529ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 530ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 531ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 532ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 533ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 534ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 535ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 536ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 537ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 538ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 539ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 541419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 542889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5432c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 544889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 545419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 546889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5474045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5484045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5494045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5504045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5514045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5524045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5534045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 554889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 555889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 556889739c4d188d28c167644bced9df0f3131317d7Devang Patel 557b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 558f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 559b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 560b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 561b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 562b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 563f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 564f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 565f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 566f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 567f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 568b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 569b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 570b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 5717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 5727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 5737b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 5747b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5757b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel AnalysisUsage AnUsage; 5767b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel P->getAnalysisUsage(AnUsage); 5777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel if (AnUsage.getPreservesAll()) 5797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 5827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 5837b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 5847b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 585d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(P1) 586d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), P1->getPassInfo()) == 587d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 588d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 5897b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 5907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5917b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5927b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 5937b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 594889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 595419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 59614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 59714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 59814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 59904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 60004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 60104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 60204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 603b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 60454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 6051a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 606d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 607d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 608d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 60914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 610d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 61114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 612fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 613fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 614fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 615fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 616fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 617fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 618fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 619fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 620fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 621fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 622fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 623fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 624d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 625d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 626d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 627fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 628d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 629fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 630fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 631fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 632889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 633889739c4d188d28c167644bced9df0f3131317d7Devang Patel 634df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 6357f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string Msg, 6367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 637f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 638f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 6390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 640693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 6410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 6420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 6430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 644f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 645f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 646f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 647f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 6484eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 6497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 6504eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 65155d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 652f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 65355d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 6548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 655f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 656f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 657f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 658964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 659f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 660f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 661f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 662df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 663df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6644045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 665893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 666e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 66766eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 668e253385b108cd946b1ac150302f246d3b218be77Devang Patel 669145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 670145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 671cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 672145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 673145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 674cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 675cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 676cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel std::vector<Pass *> TransferLastUses; 677cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 678893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 679e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 680e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 681e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 682569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 683569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 684569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 685e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 686e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 687569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 688569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 689569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 690e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 691e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 692e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 693cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 694cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 695cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 696cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 697e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 698e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 699e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 700e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 701ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 7027b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 7037b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 704569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 705569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 706569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 707569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 7083f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 7093f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 7103f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 7118df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 7123f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 7138df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 714e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 715cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 716cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 717cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 718cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 719cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 720cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 7210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 7220ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 7230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 7240ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 7250ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 7260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 7270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 7280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 7290ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 730893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 731893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7320ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 733893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 734e253385b108cd946b1ac150302f246d3b218be77Devang Patel 735e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 736e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 737e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 738e253385b108cd946b1ac150302f246d3b218be77Devang Patel 739569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 740569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 741569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 742569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 743569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 744569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 745569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 746c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 747c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 748c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 749c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 750c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 751c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 752569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 753569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 754569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 755569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 756569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 757c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 75827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 75927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 76027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 76127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 762569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 763569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 764569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 765569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 766569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 76727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 768c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 769c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7722f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7732f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 775419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7763799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7773799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7782f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7792f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7802f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7812f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 78269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 7832f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 784f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 785f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 786f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 787cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 788298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 7892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 7902f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 7912f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 79269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 79369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 79469867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 79569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 79669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 79769867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 79869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 79969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 80069867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 80169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 80269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 80369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 80469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 80569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8065b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 80769867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 80869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 809a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 810a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 811a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 812a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::vector<Pass *> LUses; 813693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 814693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 815693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 816693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 817693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 818a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 819a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 820a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 821a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 822a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 823a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 824a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 825a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 826a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 827a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 828a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 829a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 830a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 831a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 832a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 833a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 834a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 835a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 836a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 837a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 838a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 8397f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, enum PassDebuggingString S1, 8407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString S2, 8417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel std::string Msg) { 84226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 843a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 844a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 8457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 8467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 8477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 8487f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 8507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' Made Modification '" << P->getPassName(); 8517f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 8537f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 8547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8557f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8567f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8577f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 8587f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 8597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 8607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on BasicBlock '" << Msg << "...\n"; 8617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8627f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 8637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Function '" << Msg << "...\n"; 8647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8657f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 8667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Module '" << Msg << "...\n"; 8677f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8687f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 8697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Loop " << Msg << "...\n"; 8707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 8727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Call Graph " << Msg << "...\n"; 8737f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8747f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8757f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 877a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 878a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 879a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 880a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 881a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 88226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 883a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 884a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 885a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 886a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 887a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 888a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 889a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 890a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 891f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 892ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 893ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 894ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 895ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 896ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 897ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 898ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 899ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 900ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 901ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 902f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 903f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 904f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 905cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 906f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 907f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 908f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 9096b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 9106b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 9116b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 9126b1df0e863963929634d769f39cbce68f030f051Devang Patel} 9136b1df0e863963929634d769f39cbce68f030f051Devang Patel 91406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 91655fd43f90913676682487f89f27c756adb827f66Devang Patel 91755fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 91855fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 91955fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 92055fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 92255fd43f90913676682487f89f27c756adb827f66Devang Patel 9235cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 9241fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9251fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9263b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 927c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 92855fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 9291554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9301554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 931017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9321554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 933017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9351554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 936017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9371554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 938693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9391554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 94055fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 9411554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 942693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 9447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9451554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 946693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9471554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 9481554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 9497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(BP, (*I).getName(), ON_BASICBLOCK_MSG); 9507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel 95155fd43f90913676682487f89f27c756adb827f66Devang Patel } 9521a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 95355fd43f90913676682487f89f27c756adb827f66Devang Patel} 95455fd43f90913676682487f89f27c756adb827f66Devang Patel 955964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 957964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 958964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9591554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9601554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 961964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 962964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 963964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 964964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 965964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 966964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 968964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 969964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9701554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9711554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 972964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 973964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 974964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 975964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 976964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 977964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 979964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 980964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9811554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9821554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 983964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 984964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 985964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 986964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 987964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 988964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 990964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 991964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9921554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9931554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 994964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 995964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 996964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 997964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 998964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 999964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1000964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 100106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10023162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 100306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1004c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10053162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 10065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1007dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1008dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1009b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1010b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 1011cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 1012b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1013b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1014cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1015cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1016cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10173162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 101837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 101937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 102037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1021c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1022c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1023c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1024c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1025c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 10263162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1027c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1028c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1029c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1030214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1031214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1032214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1033214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 10343162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1035214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1036214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1037e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 1038214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1039214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1040c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1041214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1042214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1043214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10443799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10453799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10463162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10473799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10483799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10493799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10503799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10513799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10523162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10533799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10543799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10553799f97d539f6c288d169063e1b335917fafcffbDevang Patel 105606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 10585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 10595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 10605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 10655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 10715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 10765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 10825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 10835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 10845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 10885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 10905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 10915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10921336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 10935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 10965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 11015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1102448d27cd795dc273249f123444509403f4fa4facDevang Patel 1103ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1104ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1105ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1106ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1107ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1108ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1109ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1110ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1111ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1112ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1113ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1114448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1115448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1116448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 11175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1118214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1119214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 11201fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11215cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11221fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11231fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11241554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11251554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11261554c8545651350569f08dc7370189da1a7e5814Devang Patel 1127017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11281554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 1129693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 11311554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 1132693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11331554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 11348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11351554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1136214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 11371554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1138693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 11411554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 1142693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11431554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 11441554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 11457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1146214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1147214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1148214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1149214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1151214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 11535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 11555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 11565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 11585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 11613799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11623799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11631554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11641554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11653799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 11663799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11673799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11683799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11693799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 11723799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11733799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11741554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11751554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11763799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11773799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11793799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11803799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11813799f97d539f6c288d169063e1b335917fafcffbDevang Patel 118206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 118492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 118592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 118692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 118792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 118892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 119092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1191c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 11921554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11931554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 11941554c8545651350569f08dc7370189da1a7e5814Devang Patel 1195017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11961554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1197693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11987f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 11991554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1200693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12011554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 12028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12031554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 120492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 12051554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1206693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 12087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 12097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel M.getModuleIdentifier()); 12101554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1211017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12121554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 12131554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 12147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 121592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 121692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 121792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 121892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1219569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1220569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1221569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1222569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1223569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1224569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1225569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1226569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1227569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1228569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1229569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1230dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 12310ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1232dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1233dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1234dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1235dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 12360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 12370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1238dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 12390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1240dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1241dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::vector<Pass *> LU; 1242dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1243dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1244569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 12450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 12470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 12480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 12490ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 12500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 12510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 1252dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 12530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 12540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1255dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1256dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(AID); 12570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 12580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 126006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 126106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 126237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1263b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1264b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 12655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1266b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1267b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 126845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 12708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1271c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 12725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 127345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12741336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 12755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1277a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1278b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1279b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1280b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 128206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 128306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 128406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12863162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 12875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1288dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1289dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12923162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 129337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 129437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 129537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 12965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 12995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 13005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 13013162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 13025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 13035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 13065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 13075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 13083162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 13095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 13105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 13138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 13148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 13158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 13168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 13178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 13188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 13198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 13208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 13218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 13238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 13248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 13258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 13268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 13278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 13298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 13308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 13318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 13328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 13338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 13348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 134709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 134809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 134909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 135036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 135109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 135209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 135309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 135409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 135509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 135609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 135709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 135809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 135909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 136009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 136197149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 136209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 136397149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 136497149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 136597149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 136697149737f27457b0411e49af3e4539688e29848fDevang Patel 136797149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 136897149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 136997149737f27457b0411e49af3e4539688e29848fDevang Patel } 137097149737f27457b0411e49af3e4539688e29848fDevang Patel else { 137197149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 137297149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 137397149737f27457b0411e49af3e4539688e29848fDevang Patel 137497149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 137597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 137697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 137797149737f27457b0411e49af3e4539688e29848fDevang Patel } 137897149737f27457b0411e49af3e4539688e29848fDevang Patel 137997149737f27457b0411e49af3e4539688e29848fDevang Patel AnalysisResolver *AR = new AnalysisResolver(*Top); 138097149737f27457b0411e49af3e4539688e29848fDevang Patel P->setResolver(AR); 138197149737f27457b0411e49af3e4539688e29848fDevang Patel 138297149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 138397149737f27457b0411e49af3e4539688e29848fDevang Patel} 138409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 138597149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 138697149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 138797149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 138897149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 138997149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 139097149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("%s ", P->getPassName()); 139197149737f27457b0411e49af3e4539688e29848fDevang Patel } 139297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 139397149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("\n"); 139409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 139509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 139609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 139709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1398be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1399bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 140009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 140209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 140344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 140444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 140544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 140644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 140709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 14086b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 14096b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 141009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 141109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 141244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 141309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 141409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 14169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1417be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1418bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 141909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 142097149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 142109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 14226b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 14236b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 142409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 14259d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 142609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 14279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 142809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 14309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 14319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 14329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 143397149737f27457b0411e49af3e4539688e29848fDevang Patel 14349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 14359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 143697149737f27457b0411e49af3e4539688e29848fDevang Patel 14379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 144097149737f27457b0411e49af3e4539688e29848fDevang Patel 14419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 14429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 14439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1444be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1445be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1446be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1447be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1448be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1449be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1450be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 14519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 14549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 145509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 14579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 145809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 145909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 14619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1462be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1463bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 146409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 146509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 146609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 146797149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 146897149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 146997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!PMS.empty()) { 147009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 147109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 147209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 14749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 14759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 14779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 14789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 14799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 14819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 14829d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 14859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 148797149737f27457b0411e49af3e4539688e29848fDevang Patel 148897149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 148997149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 14909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 14919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1492531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 14939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 14959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 149609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 14989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 149909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 150009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1501cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1502