PassManager.cpp revision 0ed8df38c26a910bd7adbe105172b434898646f3
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 17c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 1855fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 193799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 208f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 22ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 2385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 24b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 25c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 26ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 2845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 2945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 37e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 38e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4326426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 50e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 54c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 587e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 60c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 61c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 64c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 65c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel BBPassManager(int Depth) : PMDataManager(Depth) { } 67c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 68c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 71c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 7666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 77964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 78964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 79964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 80964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 81964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 82e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 83e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "BasicBlock Pass Manager"; 84e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 85e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 86ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 87ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 88c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 891554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 901554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 911554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 921554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 93ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 94ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 951554c8545651350569f08dc7370189da1a7e5814Devang Patel 961554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 971554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 981554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 991554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel } 10125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 10284da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 10325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 10425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 105c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 106c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 107ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1081554c8545651350569f08dc7370189da1a7e5814Devang Patel 109ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 11636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 11736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1208f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FunctionPassManagerImpl(int Depth) : PMDataManager(Depth), 1218f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Function) { } 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doFinalization - Run all of the initializers for the function passes. 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 154cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 159a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 160a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 162a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1737e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1757e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 177c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 178c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 180c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 181c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 182a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel MPPassManager(int Depth) : PMDataManager(Depth) { } 183c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 184c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 185c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 186c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 187be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 18866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 18966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 19066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 19166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 19266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 193569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 194569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 195569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 196569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 197569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 1990ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2010ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2020ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 203e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 204e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 205e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 206e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 207ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 208ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 209ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2101554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2111554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2121554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 2131554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 214ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 215ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 216ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2171554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2181554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2191554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2201554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2211554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2221554c8545651350569f08dc7370189da1a7e5814Devang Patel 22384da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 22484da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 22584da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2290ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 2300ed8df38c26a910bd7adbe105172b434898646f3Devang Patel std::map<Pass *, FPPassManager *> OnTheFlyManagers; 231c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 232c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2337e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2357e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 23836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 23936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2438f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PassManagerImpl(int Depth) : PMDataManager(Depth), 2448f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel PMTopLevelManager(TLM_Pass) { } 245f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 250877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 251e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 252877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 25866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 25966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 26066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 26166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 26266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 263eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 264145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 265c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 266145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 267145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 268145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 269cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 270145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 271689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 272c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 273689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 274a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 275a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 276145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 277a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 278eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 279eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 2805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 2815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 2825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 2835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 2845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 2875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 288c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 2898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 290c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 291b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 292c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 293c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 294c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 295c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 296c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 297c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 298c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 299c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 300c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 301c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 302c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 303c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 304c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 305c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 306c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 307c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 308c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 309c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 310c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 311c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 317c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 319c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 321c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 342c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 34306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3468f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3478f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3488f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3498f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3508f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3518f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3528f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3538f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3548f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3558f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3568f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3578f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3588f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3598f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3608f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3618f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3628f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 3641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 3651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 3681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 371d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 372d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 373d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 374d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 3761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 3771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 3781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 3791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 3801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 3811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 3831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 3861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 3871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 38863925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 38963925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LUE = LastUser.end(); LUI != LUE; ++LUI) 39063925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner if (LUI->second == P) 39163925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LastUses.push_back(LUI->first); 3921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 3951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 3961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 3971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 40290f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel // If this Analysis is already requested by one of the previous pass 40390f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel // and it is still available then do not insert new pass in the queue again. 40490f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel if (findAnalysisPass(P->getPassInfo())) 40590f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel return; 40690f1ad7bf4d98a47b5919dc1e9fd66dc1c1905b4Devang Patel 40722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 40822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 40922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 419569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 420569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 421569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 422569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 423569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 424569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 425569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 439d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 440d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 441d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 442d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 443d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 444d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 445d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 446d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 447d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 448d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 449d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 450d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 451d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 4601a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 4611a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4621a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 469ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 470a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 47226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 475ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 476ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 477ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 478ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 479ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 480a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 481ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 482ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 483ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 484ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 485a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 486c32cf54101ecaf336d161fecd58667870149169cDevang Patel 48726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 488c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 489c32cf54101ecaf336d161fecd58667870149169cDevang Patel 490c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 491a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 492c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 493c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 494c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 495c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 496c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 497c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 498c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 499c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5001336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5011336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5021336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 5031336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5041336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 5051336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel assert(PMD && "This is not a PassManager"); 5061336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5071336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5081336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5091336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5101336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5111336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5121336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 5131336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5141336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 515ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 516ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 517ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 518ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 519ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 520ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 521ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 522ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 523ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 524ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 525ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassManagers.clear(); 526ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 527ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 529419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 530889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5312c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 532889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 533419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 534889739c4d188d28c167644bced9df0f3131317d7Devang Patel 5354045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 5364045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 5374045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 5384045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 5394045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 5404045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 5414045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 542889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 543889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 544889739c4d188d28c167644bced9df0f3131317d7Devang Patel 545b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 546f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 547b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 548b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 549b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 550b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 551f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 552f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 553f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 554f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 555f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 556b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 557b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 558b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 5597b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 5607b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 5617b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 5627b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5637b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel AnalysisUsage AnUsage; 5647b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel P->getAnalysisUsage(AnUsage); 5657b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5667b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel if (AnUsage.getPreservesAll()) 5677b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5697b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 5707b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 5717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 5727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 573d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(P1) 574d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), P1->getPassInfo()) == 575d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 576d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 5777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 5787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 5817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 582889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 583419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 58414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 58514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 58614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 58704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 58804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 58904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 59004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 591b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 59254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 5931a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 594d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 595d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 596d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 59714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 598d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 59914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 600fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 601fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 602fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 603fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 604fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 605fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 606fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 607fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 608fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 609fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 610fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 611fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 612d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 613d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 614d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 615fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 616d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 617fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 618fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 619fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 620889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 621889739c4d188d28c167644bced9df0f3131317d7Devang Patel 622df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 6237f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string Msg, 6247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 625f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 626f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 6270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 6280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 6290ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 6300ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 631f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 632f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 633f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 634f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 6354eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 6367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 6374eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 63855d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 639f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 64055d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 6418e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 642f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 643f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 644f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 645964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 646f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 647f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 648f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 649df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 650df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6514045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 652893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 653e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 65466eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 655e253385b108cd946b1ac150302f246d3b218be77Devang Patel 656145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 657145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 658cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 659145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 660145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 661cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 662cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 663cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel std::vector<Pass *> TransferLastUses; 664cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 665893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 666e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 667e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 668e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 669569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 670569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 671569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 672e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 673e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 674569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 675569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 676569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 677e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 678e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 679e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 680cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 681cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 682cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 683cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 684e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 685e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 686e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 687e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 688ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 6897b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 6907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 691569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 692569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 693569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 694569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 6953f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 6963f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 6973f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 6988df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 6993f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 7008df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 701e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 702cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 703cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 704cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 705cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 706cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 707cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 7080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 7090ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 7100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 7110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 7120ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 7130ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 7140ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 7150ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 7160ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 717893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 718893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7190ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 720893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 721e253385b108cd946b1ac150302f246d3b218be77Devang Patel 722e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 723e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 724e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 725e253385b108cd946b1ac150302f246d3b218be77Devang Patel 726569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 727569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 728569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 729569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 730569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 731569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 732569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 733c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 734c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 735c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 736c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 737c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 738c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 739569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 740569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 741569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 742569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 743569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 744c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 74527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 74627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 74727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 74827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 749569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 750569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 751569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 752569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 753569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 75427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 755c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 756c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 762419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7633799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7643799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7652f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7682f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 76969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 7702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 7712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 772cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 773298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 7742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 7752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 7762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 77769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 77869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 77969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 78069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 78169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 78269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 78369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 78469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 78569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 78669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 78769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 78869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 78969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 79069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 7915b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 79269867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 79369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 794a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 795a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 796a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 797a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::vector<Pass *> LUses; 798a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 799a52035a062edf9bfbf95c92c615219b647042c17Devang Patel assert (TPM && "Top Level Manager is missing"); 800a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 801a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 802a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 803a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 804a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 805a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 806a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 807a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 808a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 809a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 810a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 811a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 812a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 813a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 814a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 815a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 816a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 817a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 818a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 819a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 820a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 8217f99761143cdf1ad23729708e3dcaa055b189406Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, enum PassDebuggingString S1, 8227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString S2, 8237f99761143cdf1ad23729708e3dcaa055b189406Devang Patel std::string Msg) { 82426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 825a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 826a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 8277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 8287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 8297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 8307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 8327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' Made Modification '" << P->getPassName(); 8337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 8357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 8367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 8407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 8417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 8427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on BasicBlock '" << Msg << "...\n"; 8437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 8457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Function '" << Msg << "...\n"; 8467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 8487f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Module '" << Msg << "...\n"; 8497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 8517f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Loop " << Msg << "...\n"; 8527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8537f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 8547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "' on Call Graph " << Msg << "...\n"; 8557f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8567f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8577f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8587f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 859a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 860a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 861a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 862a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 863a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 86426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 865a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 866a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 867a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 868a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 869a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 870a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 871a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 872a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 873f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 874ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 875ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 876ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 877ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 878ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 879ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 880ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 881ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel PassVector.clear(); 882ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 883ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 884f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 885f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 886f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 887cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 888f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 889f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 890f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 89106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 89355fd43f90913676682487f89f27c756adb827f66Devang Patel 89455fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 89555fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 89655fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 89755fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 89955fd43f90913676682487f89f27c756adb827f66Devang Patel 9005cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 9011fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9021fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9033b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 904c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 90555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 9061554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9071554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 908017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9091554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 910017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9117f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9121554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 913017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9141554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 915693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9161554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 91755fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 9181554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 919693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9207f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 9217f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, (*I).getName()); 9221554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 923693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9241554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 9251554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 9267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(BP, (*I).getName(), ON_BASICBLOCK_MSG); 9277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel 92855fd43f90913676682487f89f27c756adb827f66Devang Patel } 9291a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 93055fd43f90913676682487f89f27c756adb827f66Devang Patel} 93155fd43f90913676682487f89f27c756adb827f66Devang Patel 932964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 934964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 935964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9361554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9371554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 938964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 939964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 940964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 941964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 942964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 943964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 945964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 946964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9471554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9481554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 949964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 950964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 951964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 952964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 953964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 954964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 956964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 957964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9581554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9591554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 960964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 961964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 962964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 963964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 964964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 965964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 967964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 968964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9691554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9701554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 971964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 972964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 973964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 974964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 975964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 976964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 977964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 97806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9793162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 98006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 981c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 9823162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 9835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 984dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 985dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 986b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 987b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 988cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*PMD); 989b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 990b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 991cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 992cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 993cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 9943162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 99537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 99637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 99737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 998c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 999c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1000c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1001c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1002c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 10033162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1004c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1005c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1006c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1007214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1008214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1009214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1010214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 10113162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1012214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1013214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1014e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 1015214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1016214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1017c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1018214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1019214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1020214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10213799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10223799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10233162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10243799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10253799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10263799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10273799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10283799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10293162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10303799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10313799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10323799f97d539f6c288d169063e1b335917fafcffbDevang Patel 103306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 10355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 10365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 10375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 10425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 10485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 10535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 10595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 10605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 10615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 10655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 10675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 10685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10691336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 10705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 10715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 10725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 10735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 10745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 10755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 10765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 10785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1079448d27cd795dc273249f123444509403f4fa4facDevang Patel 1080ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1081ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1082ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1083ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1084ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1085ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1086ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1087ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1088ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1089ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1090ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1091448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1092448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1093448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 10945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1095214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1096214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 10971fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10985cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 10991fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11001fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11011554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11021554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11031554c8545651350569f08dc7370189da1a7e5814Devang Patel 1104017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11051554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 1106693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 11081554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 1109693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11101554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 11118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11121554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1113214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 11141554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1115693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11177f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 11181554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 1119693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11201554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 11211554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 11227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1123214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1124214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1125214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1126214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1128214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 11305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 11325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 11335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 11355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 11383799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11393799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11401554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11411554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11423799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 11433799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11443799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11453799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11463799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11473799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 11493799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11503799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11511554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11521554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11533799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11543799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11553799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11563799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11573799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11583799f97d539f6c288d169063e1b335917fafcffbDevang Patel 115906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 116192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 116292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 116392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 116492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 116592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 116792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1168c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 11691554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11701554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 11711554c8545651350569f08dc7370189da1a7e5814Devang Patel 1172017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11731554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1174693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11757f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 11761554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1177693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11781554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 11798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11801554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 118192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 11821554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1183693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11847f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 11867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel M.getModuleIdentifier()); 11871554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1188017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11891554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 11901554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 11917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 119292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 119392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 119492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 119592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1196569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1197569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1198569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1199569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1200569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1201569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1202569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1203569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1204569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1205569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1206569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 12070ed8df38c26a910bd7adbe105172b434898646f3Devang Patel FPPassManager *FPP = OnTheFlyManagers[P]; 12080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 12090ed8df38c26a910bd7adbe105172b434898646f3Devang Patel FPP = new FPPassManager(getDepth() + 1); 12100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 12110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 12120ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12130ed8df38c26a910bd7adbe105172b434898646f3Devang Patel FPP->add(RequiredPass, false); 1214569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 12150ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12160ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 12170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 12180ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 12190ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 12200ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 12210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 12220ed8df38c26a910bd7adbe105172b434898646f3Devang Patel FPPassManager *FPP =OnTheFlyManagers[MP]; 12230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 12240ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12250ed8df38c26a910bd7adbe105172b434898646f3Devang Patel FPP->runOnFunction(F); 12260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return FPP->findAnalysisPass(AID, false); 12270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 12280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12290ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 123006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 123106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 123237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1233b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1234b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 12355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1236b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1237b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 123845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 12408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1241c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 12425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 124345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 12441336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 12455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1247a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1248b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1249b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1250b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 125206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 125306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 125406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12563162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 12575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1258dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1259dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12623162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 126337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 126437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 126537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 12665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 12695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 12705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 12713162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 12725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 12735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 12765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 12775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 12783162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 12795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 12805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 12838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 12848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 12858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 12868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 12878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 12888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 12898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 12908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 12918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 12938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 12948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 12958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 12968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 12978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 12998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 13008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 13018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 13028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 13038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 13048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1305c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1306c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1307c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1308c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1309c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1310c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1311c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1313c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1315c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 131709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 131809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 131909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 132036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 132109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 132209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 132309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 132409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 132509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 132609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 132709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 132809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 132909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 133009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 133197149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::push(Pass *P) { 133209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 133397149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 133497149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *PM = dynamic_cast<PMDataManager *>(P); 133597149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 133697149737f27457b0411e49af3e4539688e29848fDevang Patel 133797149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 133897149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 133997149737f27457b0411e49af3e4539688e29848fDevang Patel } 134097149737f27457b0411e49af3e4539688e29848fDevang Patel else { 134197149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 134297149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 134397149737f27457b0411e49af3e4539688e29848fDevang Patel 134497149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 134597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 134697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 134797149737f27457b0411e49af3e4539688e29848fDevang Patel } 134897149737f27457b0411e49af3e4539688e29848fDevang Patel 134997149737f27457b0411e49af3e4539688e29848fDevang Patel AnalysisResolver *AR = new AnalysisResolver(*Top); 135097149737f27457b0411e49af3e4539688e29848fDevang Patel P->setResolver(AR); 135197149737f27457b0411e49af3e4539688e29848fDevang Patel 135297149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 135397149737f27457b0411e49af3e4539688e29848fDevang Patel} 135409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 135597149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 135697149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 135797149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 135897149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 135997149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 136097149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("%s ", P->getPassName()); 136197149737f27457b0411e49af3e4539688e29848fDevang Patel } 136297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 136397149737f27457b0411e49af3e4539688e29848fDevang Patel printf ("\n"); 136409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 136509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 136609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 136709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1368be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1369bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 137009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 137109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 137209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 137344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 137444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 137544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 137644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 137709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 13786b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 13796b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 138009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 138109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 138244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 138309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 138409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 13869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1387be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1388bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 138909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 139097149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 139109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 13926b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 13936b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 139409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 13959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 139609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 13979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 139809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 13999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 14009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 14019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 14029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 140397149737f27457b0411e49af3e4539688e29848fDevang Patel 14049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 14059d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 140697149737f27457b0411e49af3e4539688e29848fDevang Patel 14079d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 141097149737f27457b0411e49af3e4539688e29848fDevang Patel 14119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 14129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 14139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(FPP); 1414be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1415be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1416be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1417be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 1418be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS, PMT_CallGraphPassManager); 1419be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 1420be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel P->assignPassManager(PMS); 14219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 14249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 142509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 14279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 142809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 142909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 14319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1432be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1433bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 143409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 143609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143797149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 143897149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 143997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!PMS.empty()) { 144009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 144109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 144209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 14449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 14459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 14479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 14489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 14499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 14519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 14529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 14559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 145797149737f27457b0411e49af3e4539688e29848fDevang Patel 145897149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 145997149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 14609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel Pass *P = dynamic_cast<Pass *>(BBP); 14619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel P->assignPassManager(PMS); 1462531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 14639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 14659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 146609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 14689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 146909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 147009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1471cccd80dfa316019047f053c55f1b94f63b17c043Devang Patel 1472