PassManager.cpp revision c7fe32e840758baa9ce4f93c321b508a69b98262
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 17c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 1855fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 193799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 208f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 22d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 23ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 2485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 25b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 262bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 27c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 28ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 39e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 42e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4526426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 4645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 4745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 50e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 51e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 52e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 56c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 583f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 607e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 62c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 63c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 66c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 67c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 681997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 69cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 70794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel : PMDataManager(Depth), FunctionPass((intptr_t)&ID) {} 71c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 72c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 73c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 74c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 75c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 7666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 7766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 7866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 7966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 8066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 81964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 82964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 83964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 84964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 85964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 86e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 879769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 88e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 89e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 90ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 91ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 92c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 931554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 941554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 951554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 961554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 97ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 98ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 991554c8545651350569f08dc7370189da1a7e5814Devang Patel 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 1011554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 1021554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1031554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1041554c8545651350569f08dc7370189da1a7e5814Devang Patel } 10525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 10684da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 10725919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 10825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 109c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 110c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1111997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 112ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1131554c8545651350569f08dc7370189da1a7e5814Devang Patel 114ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 12136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 12236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1241997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 125cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 126794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel Pass((intptr_t)&ID), PMDataManager(Depth), 127794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 145209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 160cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 165a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 166a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 168a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 176c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 177c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1781997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 1797e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1817e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 183b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 184b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 1855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 186c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 187c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1881997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 189cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 190cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman Pass((intptr_t)&ID), PMDataManager(Depth) { } 191693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 192693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 193693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 194dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 195693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 196693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 197dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 198693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 199693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 200693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 201693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 202c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 203c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 204c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 205be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 20666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 20766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 20866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 20966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 21066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 211569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 212569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 213569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 214569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 215569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2160ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2180ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2190ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2200ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 221e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 222e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 223e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 224e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 225ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 226ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 227ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2281554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2291554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2301554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 231dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 232693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2331554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 234ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 235ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 236ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2371554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2381554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2391554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2401554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2411554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2421554c8545651350569f08dc7370189da1a7e5814Devang Patel 24384da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 24484da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 24584da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2490ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 250dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 251c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 252c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2531997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2547e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2567e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 257794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 26036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 26136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2641997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 265cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 266cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman Pass((intptr_t)&ID), PMDataManager(Depth), 267cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman PMTopLevelManager(TLM_Pass) { } 268f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 273877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 274e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 275877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 28166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 28266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 28366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 28466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 28566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 286eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 287145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 288c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 289145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 290145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 291145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 292cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 293145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 294689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 295c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 296689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 297a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 298a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 299145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 300a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 301eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 302eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 3045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 3055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 3095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3111997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 312c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 314c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 315b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 316c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 317c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 319c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 321c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 350c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 352c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 354c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelstatic TimingInfo *TheTimeInfo; 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 36706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3708f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3718f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3728f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3738f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3748f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3758f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3768f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3778f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3798f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3808f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3818f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3828f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3838f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3848f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3858f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3868f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 388edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 3891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 391edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 3921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 3941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 395d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 396d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 397d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 398d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 3991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 4011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 4041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 410edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 4111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 41263925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 41363925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LUE = LastUser.end(); LUI != LUE; ++LUI) 41463925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner if (LUI->second == P) 41563925c831ae17a6f894744dbc153dbc9ed4c1902Chris Lattner LastUses.push_back(LUI->first); 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 42622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 42722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 42822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4291cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4301cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4311cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 4321cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel if (P->isAnalysis() && findAnalysisPass(P->getPassInfo())) 433c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 4341cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 4361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 4371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 4381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 4391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 444569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 445569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 446569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 447569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 448569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 449569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 450569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 464d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 4650961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::iterator I = PassManagers.begin(), 466d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 4670961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 468d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 469d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 470d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 471d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 472d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 473d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 474d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 475d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 4761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 4771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 4781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 48497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 48597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 4861a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 4871a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 4881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 4921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 494ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 495a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 496ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 49726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 4985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 4995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 500ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 501ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 502ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 503ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 504ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5050961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5060961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5070961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5080961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 5090961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = PassManagers.begin(), 510ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5110961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 512ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 513ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 514a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 515c32cf54101ecaf336d161fecd58667870149169cDevang Patel 51626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 517c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 518c32cf54101ecaf336d161fecd58667870149169cDevang Patel 519c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 5200961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = PassManagers.begin(), 521c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 5220961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 523c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 524c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 525c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 526c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 527c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5281336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5300961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::iterator I = PassManagers.begin(), 5311336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5320961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 5331336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5341336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5351336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5361336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5371336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5381336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5391336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 5401336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5411336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 542ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 543ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 5440961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::iterator I = PassManagers.begin(), 545ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 546ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 547ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 548ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 549ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 550ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 551ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 552ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 554419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 555889739c4d188d28c167644bced9df0f3131317d7Devang Patel 556b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 557f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 558b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 559b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 560b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 561b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 562f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 563f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 564f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 565f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 566f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 567b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 568b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 569b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 5707b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 5717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 5727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 5737b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5747b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel AnalysisUsage AnUsage; 5757b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel P->getAnalysisUsage(AnUsage); 5767b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel if (AnUsage.getPreservesAll()) 5787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 5817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 5827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 5837b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 58497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 58597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 58697cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 587d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 588d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 5897b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 5907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 5917b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 5927b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 5937b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 59458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel/// verifyPreservedAnalysis -- Verify analysis presreved by pass P. 59558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 59614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 59714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 5989750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 59914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6009750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 60158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel for (std::vector<AnalysisID>::const_iterator I = PreservedSet.begin(), 60258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 60358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 60458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel Pass *AP = findAnalysisPass(AID, true); 60558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel if (AP) 60658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6079750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 60858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 60958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 61058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel/// Remove Analyss not preserved by Pass P 61158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 61258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisUsage AnUsage; 61358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel P->getAnalysisUsage(AnUsage); 61404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 61504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 61604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 61758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 618b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 61954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 6201a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 621d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 622d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 623d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 62414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 625d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 62614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 627fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 628fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 629fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 630fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 631fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 632fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 633fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 634fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 635fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 636fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 637fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 638fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 63997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 64097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 641d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 642fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 643d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 644fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 645fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 646fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 647889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 648889739c4d188d28c167644bced9df0f3131317d7Devang Patel 649df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 6506b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 6517f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 652f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 653edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 6540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 655693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 6560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 6570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 6580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 659f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 660f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 661edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 662f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 6634eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 6647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 6654eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 66655d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 667f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 66855d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 6698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 670f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 671f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 672f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 673964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 674f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 675f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 676f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 677df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 678df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 6794045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 680893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 681e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 68266eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 683e253385b108cd946b1ac150302f246d3b218be77Devang Patel 684145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 685145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 686cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 687145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 688145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 689cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 690cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 691edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 692cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 693893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 694e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 695e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 696edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LastUses; 697569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 698569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 699569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 700e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 701e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 702569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 703569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 704569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 705e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 706e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 707e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 708cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 709cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 710cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 711cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 712e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 713e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 714e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 715e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 716ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 7177b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 7187b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 719569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 720569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 721569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 722569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 7233f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 7243f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 7253f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 7268df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 7273f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 7288df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 729e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 730cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 731cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 732cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 733cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 734cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 735cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 7360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 7370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 7380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 7390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 7400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 7410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 7420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 7430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 7440ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 745893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 746893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7470ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 748893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 749e253385b108cd946b1ac150302f246d3b218be77Devang Patel 750e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 751e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 752e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 753e253385b108cd946b1ac150302f246d3b218be77Devang Patel 754569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 755569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 756569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 757569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 758569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 759569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 760569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 761c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 762c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 763c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 764c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 765c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 766c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 767569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 768569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 769569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 770569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 771569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 772c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 77327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 77427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 77527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 77627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 777569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 778569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 779569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 780569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 781569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 78227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 783c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 784c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 7852f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 7862f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 7872f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 7882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 7892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 790419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 7913799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 7923799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 7932f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 7942f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 7952f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 7962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 79769867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 7982f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 799f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 800f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 801f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 802cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 803298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 80769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 80869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 80969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 81069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 81169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 81269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 81369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 81469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 81569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 81669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 81769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 81869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 81969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 82069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8215b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 82269867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 82369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 824a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 825a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 826a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 827edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 828693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 829693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 830693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 831693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 832693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 833a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 834a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 835edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 836a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 837a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 838a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 839a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 840a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 841a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 842a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 843a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 844a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 845a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 846a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 847a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 848a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 849a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 850a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 851a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 852a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 853a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 854417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 855417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 8566b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 85726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 858a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 859a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 8607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 8617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 8627f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 8637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 8657d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 8667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8677f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 8687f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 8697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 8737f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 8747f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 8757d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 8767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 8787d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 8797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 8817d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 8827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8837f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 8847d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 8857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 8877d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 8887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 8907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 8917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 892a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 893a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 894a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 895a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 896a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 89726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging >= Details && !Set.empty()) { 898a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 899a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 900a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 901a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 902a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 903a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 904a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 905a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 906f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 90719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 90819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 90919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 91019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 91119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 91219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 91319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 91419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 91519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 9161cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 9171cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 9181cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 9191cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 9201cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 9211cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 9221cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 9231cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 9241cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 9251cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 92619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel assert (0 && "Unable to handle Pass that requires lower level Analysis pass"); 92719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 92819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 929ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 930ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 931ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 932ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 933ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 934ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 935ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 936ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 937ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 938f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 939f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 940f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 941cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 942f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 943f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 944f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 9456b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 9466b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 9476b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 9486b1df0e863963929634d769f39cbce68f030f051Devang Patel} 9496b1df0e863963929634d769f39cbce68f030f051Devang Patel 95006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 95255fd43f90913676682487f89f27c756adb827f66Devang Patel 95355fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 95455fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 95555fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 95655fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 95855fd43f90913676682487f89f27c756adb827f66Devang Patel 9595cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 9601fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9611fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9623b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 963c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 96455fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 9651554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9661554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 967017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 9681554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->getAnalysisUsage(AnUsage); 969017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9706b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 9711554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", BP, AnUsage.getRequiredSet()); 972017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9731554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 974693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9751554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 97655fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 9771554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 978693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 9797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 98097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 98197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 9821554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", BP, AnUsage.getPreservedSet()); 983693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 98458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 9851554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 9861554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 9876b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 98855fd43f90913676682487f89f27c756adb827f66Devang Patel } 989fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 9901a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 99155fd43f90913676682487f89f27c756adb827f66Devang Patel} 99255fd43f90913676682487f89f27c756adb827f66Devang Patel 993964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 995964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 996964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9971554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 9981554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 999964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 1000964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1001964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1002964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1003964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1004964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 1006964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1007964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10081554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10091554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1010964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 1011964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1012964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1013964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1014964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1015964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 1017964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1018964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10191554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10201554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1021964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1022964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1023964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1024964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1025964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1026964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 1028964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1029964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10301554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10311554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1032964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1033964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1034964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1035964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1036964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1037964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1038964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 103906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10403162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 104106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1042c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10433162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 10445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1045dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1046dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1047b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 104859ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1049b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1050b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1051cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1052cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1053cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10543162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 105537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 105637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 105737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1058c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1059c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1060c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1061c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1062c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 10633162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1064c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1065c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1066c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1067214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1068214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1069214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1070214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 10713162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1072214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1073214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1074a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1075214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1076214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1077c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1078214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1079214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1080214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10813799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10823799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10833162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10843799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10853799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10863799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1087209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 10883799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10893162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10903799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10913799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10923799f97d539f6c288d169063e1b335917fafcffbDevang Patel 109306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 10955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 10965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 10975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 10985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 10995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 11025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 11085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 11095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 11135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 11195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 11205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 11215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 11235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 11255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 11275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 11285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 11305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 11315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 11325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 11335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 11345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 11355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 11385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1139448d27cd795dc273249f123444509403f4fa4facDevang Patel 11401997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1141ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1142ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1143ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1144ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1145ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1146ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1147ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1148ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1149ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1150ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1151ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1152448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1153448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1154448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 11555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1156214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1157214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 11581fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11595cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11601fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11611fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11621554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11631554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 11641554c8545651350569f08dc7370189da1a7e5814Devang Patel 1165017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 11661554c8545651350569f08dc7370189da1a7e5814Devang Patel FP->getAnalysisUsage(AnUsage); 1167693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11686b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 11691554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", FP, AnUsage.getRequiredSet()); 1170693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11711554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 11728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 11731554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1174214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 11751554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1176693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 11786b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 11791554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", FP, AnUsage.getPreservedSet()); 1180693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 118158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 11821554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 11831554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 11846b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 1185214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1186214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1187214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1188214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1190214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 11925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 11945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 11955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 11975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 11985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 11995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 12003799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12013799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12021554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12031554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 12043799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 12053799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12073799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12083799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 12113799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12131554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12141554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 12153799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 12163799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12183799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12193799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12203799f97d539f6c288d169063e1b335917fafcffbDevang Patel 122106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 122392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 122492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 122592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 122692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 122792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 12285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 122992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1230c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 12311554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12321554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 12331554c8545651350569f08dc7370189da1a7e5814Devang Patel 1234017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 12351554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->getAnalysisUsage(AnUsage); 1236693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 123797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 123897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 12391554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Required", MP, AnUsage.getRequiredSet()); 1240693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12411554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 12428e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12431554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 124492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 12451554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1246693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 124897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 124997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 12501554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpAnalysisSetInfo("Preserved", MP, AnUsage.getPreservedSet()); 1251017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 125258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 12531554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 12541554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 12556b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 125692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 125792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 125892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 125992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1260569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1261569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1262569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1263569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1264569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1265569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1266569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1267569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1268569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1269569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1270569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1271dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 12720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1273dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1274dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1275dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1276dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 12770ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 12780ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1279dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 12800ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1281dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1282edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1283dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1284dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1285569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 12860ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 12870ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 12880ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 12890ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 12900ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 12910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 12920ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 1293dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 12940ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 12950ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1296dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1297dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(AID); 12980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 12990ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 13000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 130106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 130206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 130337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1304b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1305b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 13065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1307b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1308b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 130945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 13108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 13118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1312c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 13135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 131445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 13151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 13165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1318a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1319b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1320b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1321b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 13225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 132306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 132406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 132506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 13265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 13273162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 13285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1329dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1330dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 13315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13333162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 133437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 133537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 133637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 13375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 13385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 13395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 13405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 13415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 13423162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 13435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 13445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 13475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 13485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 13493162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 13505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 13515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 13548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 13558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 13568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 13578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 13588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 13598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 13608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 13618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 13628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 13648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 13658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 13668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 13678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 13688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 13708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 13718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 13728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 13738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 13748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 13758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1387c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 138809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 138909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 139009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 139136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 139209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 139309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 139409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 139509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 139609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 139709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 139809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 139909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 140009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1402c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 140309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 140497149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 140597149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 140697149737f27457b0411e49af3e4539688e29848fDevang Patel 140797149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 140897149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 140997149737f27457b0411e49af3e4539688e29848fDevang Patel } 141097149737f27457b0411e49af3e4539688e29848fDevang Patel else { 141197149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 141297149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 141397149737f27457b0411e49af3e4539688e29848fDevang Patel 141497149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 141597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 141697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 141797149737f27457b0411e49af3e4539688e29848fDevang Patel } 141897149737f27457b0411e49af3e4539688e29848fDevang Patel 141997149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 142097149737f27457b0411e49af3e4539688e29848fDevang Patel} 142109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 142297149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 142397149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 142497149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 142597149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 142697149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 1427fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("%s ", P->getPassName()); 142897149737f27457b0411e49af3e4539688e29848fDevang Patel } 142997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1430fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 143109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 143209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 143409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1435be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1436bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 143709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 143809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 143909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 144044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 144144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 144244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 144344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 144409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 14456b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 14466b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 144709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 144809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 144944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 145009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 145109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 14539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1454be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1455bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 145609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 145797149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 145809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 14596b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 14606b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 146109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 14629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 146309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 14649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 146509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 14679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 14689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 14699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 147097149737f27457b0411e49af3e4539688e29848fDevang Patel 14719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 14729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 147397149737f27457b0411e49af3e4539688e29848fDevang Patel 14749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 14759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 14769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 147797149737f27457b0411e49af3e4539688e29848fDevang Patel 14789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 14799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 1480be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1481be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1482be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1483be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 148459ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman FPP->assignPassManager(PMS, PMT_CallGraphPassManager); 1485be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 148659ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman FPP->assignPassManager(PMS); 14879d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 14889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 14899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 14909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 149109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 14939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 149409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 149509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 14969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 14979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1498be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1499bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 150009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 150109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 150209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 150397149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 150497149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1505fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 150609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 150709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 15099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 15109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 15129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 15139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 15149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 15169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 15179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 15189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 15199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 15209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 15219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 152297149737f27457b0411e49af3e4539688e29848fDevang Patel 152397149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 152497149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 152559ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1526531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 15279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 15289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 15299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 153009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 15329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 153309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 153409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1535580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1536d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1537d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1538d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1539d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1540d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1541d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1542d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1543d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1544d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1545d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1546d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1547d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1548d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1549d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1550d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1551d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1552d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1553d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1554d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1555d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1556d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1557d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1558d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1559d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1560d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1561d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1562d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1563d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1564d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1565d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1566