PassManager.cpp revision 721e59cfb29024ffad7204f05ad75b678ae7df63
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" 225b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel#include "llvm/Analysis/Dominators.h" 23d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 24ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 2585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 26b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 272bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 28c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 29ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 40e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 42e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 45f35cfe11efc7246189cec105725d696e787706f8Devang Patelbool VerifyDomInfo = false; 465b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelstatic cl::opt<bool,true> 475b57e720c875277131ed0d4f3b72a582979d1afeDevang PatelVerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo), 485b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cl::desc("Verify dominator info (time consuming)")); 495b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5126426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 6145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 62c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 643f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 667e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 68c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 72c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 73c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 741997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 75cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 76794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel : PMDataManager(Depth), FunctionPass((intptr_t)&ID) {} 77c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 78c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 79c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 80c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 81c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 8266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 8366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 8466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 8566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 8666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 87964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 88964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 89964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 90964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 91964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 92e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 939769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 94e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 95e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 96ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 97ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 98c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 991554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1011554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1021554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 103ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 104ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1051554c8545651350569f08dc7370189da1a7e5814Devang Patel 1061554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 1071554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 1081554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1091554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1101554c8545651350569f08dc7370189da1a7e5814Devang Patel } 11125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 11284da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 11325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 11425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 115c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1171997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 118ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1191554c8545651350569f08dc7370189da1a7e5814Devang Patel 120ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 12736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 12836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1301997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 131cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 132794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel Pass((intptr_t)&ID), PMDataManager(Depth), 133794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 151209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 166cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 171a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 172a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 174a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 182c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 183c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1841997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 1857e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1877e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 189b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 190b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 192c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 193c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1941997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 195cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 196cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman Pass((intptr_t)&ID), PMDataManager(Depth) { } 197693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 198693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 199693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 200dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 201693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 202693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 203dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 204693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 205693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 206693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 207693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 208c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 209c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 210c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 211be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 21266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 21366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 21466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 21566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 21666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 217569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 218569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 219569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 220569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 221569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2220ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2240ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2250ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 227e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 228e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 229e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 230e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 231ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 232ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 233ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2341554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2351554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2361554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 237dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 238693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2391554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 240ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 241ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 242ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2431554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2441554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2451554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2461554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2471554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2481554c8545651350569f08dc7370189da1a7e5814Devang Patel 24984da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 25084da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 25184da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2520ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2550ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 256dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 257c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 258c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2591997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2607e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2627e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 263794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 26636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 26736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2701997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 271cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 272cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman Pass((intptr_t)&ID), PMDataManager(Depth), 273cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman PMTopLevelManager(TLM_Pass) { } 274f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 279877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 280e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 281877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 28766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 28866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 28966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 29066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 29166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 292eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 293145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 294c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 295145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 296145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 297145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 298cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 299145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 300689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 301c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 302689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 303a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 304a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 305145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 306a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 307eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 308eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 3105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 3115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 3155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3171997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 321b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 350c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 352c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 354c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 366c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 367c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 369c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 371844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 372844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 37306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3768f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3778f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3798f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3808f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3818f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3828f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3838f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3848f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3858f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3868f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3878f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3888f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3898f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3908f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3918f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3928f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 394edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 3951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 397edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 401d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 402d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 403d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 404d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 407721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 410721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 411721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 418edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 419721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 420721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 421721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 422721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 423721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 424721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 425721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 426721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 427721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 428721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 429721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 430721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4333b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4343b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4383b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4393b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4403b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4413b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4423b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4433b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4443b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4453b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 45422a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 45522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 45622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4571cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4581cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4591cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 460c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 461c758209153ca0f6da6737f25ada269c573fba456Devang Patel P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) 462c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 4631cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 4653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 467fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 4681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 4691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 4721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 473569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // Schedule this analysis run first only if it is not a lower level 474569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel // analysis pass. Lower level analsyis passes are run on the fly. 475569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (P->getPotentialPassManagerType () >= 476569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisPass->getPotentialPassManagerType()) 477569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel schedulePass(AnalysisPass); 478569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 479569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel delete AnalysisPass; 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 4841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 4851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 4881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 4891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 4901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 4911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 493d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 4940961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::iterator I = PassManagers.begin(), 495d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 4960961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 497d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 498d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 499d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 500d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 501d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 502d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 503d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 504d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 5051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 5061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 51397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 51497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5151a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5161a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 523ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 524a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 525ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 52626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 529ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 530ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 531ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 532ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 533ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5340961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5350961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5360961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5370961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 5380961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = PassManagers.begin(), 539ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5400961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 541ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 542ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 543a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 544c32cf54101ecaf336d161fecd58667870149169cDevang Patel 54526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 546c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 547c32cf54101ecaf336d161fecd58667870149169cDevang Patel 548c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 5490961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = PassManagers.begin(), 550c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 5510961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 552c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 553c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 554c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 555c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 556c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5571336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5581336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5590961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::iterator I = PassManagers.begin(), 5601336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5610961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 5621336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5631336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5641336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5651336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 5661336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 5671336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5681336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 569721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 570721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for(DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 571721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 572721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 573721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 574721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 575721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 576721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 577721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 578721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 579721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 580721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 581721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 5821336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5831336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 584ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 585ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 5860961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman for (std::vector<PMDataManager *>::iterator I = PassManagers.begin(), 587ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 588ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 589ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 590ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<ImmutablePass *>::iterator 591ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 592ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 5933b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 5953b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DME = AnUsageMap.end(); DMI != DME; ++DMI) { 5963b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AU = DMI->second; 5973b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel delete AU; 5983b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5993b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 600ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 601ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 603419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 604889739c4d188d28c167644bced9df0f3131317d7Devang Patel 605b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 606f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 607b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 608b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 609b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 610b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 611f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 612f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 613f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 614f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 615f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 616b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 617b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 618b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6197b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6207b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6217b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6227b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6233b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6247b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6253b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6267b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6277b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 6297b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel for (std::vector<Pass *>::iterator I = HigherLevelAnalysis.begin(), 6307b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6317b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 63297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 63397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 63497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 635d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 636d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6377b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6387b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6397b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6407b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6417b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 642e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 64358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 644e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 645e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 646e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 647e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6483b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6493b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 65014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6519750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 652fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 65358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 65458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 655e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 65658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6579750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 65858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 65958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 6605b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 6615b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 6625b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6635b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 6645b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6655b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6665b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree *DT = P.getAnalysisToUpdate<DominatorTree>(); 6675b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 6685b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6695b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6705b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 6715b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 6725b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 6735b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 6740af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 6755b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 6765b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 677844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 6785b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 6795b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (0 && "Invalid dominator info"); 6805b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 6815b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6825b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier *DF = P.getAnalysisToUpdate<DominanceFrontier>(); 6835b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 6845b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6855b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6865b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 6875b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 6885b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 6895b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 6905b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 6910af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 6925b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 6935b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 694844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 6955b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 6965b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (0 && "Invalid dominator info"); 6975b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 6985b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 6995b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 700844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 70158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7023b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7033b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 70404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 70504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7063b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 707b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 70854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7091a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 710d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 711d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 712e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 71314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 714d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel AvailableAnalysis.erase(Info); 715e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 716e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 7170af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -- '" << P->getPassName() << "' is not preserving '"; 7180af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << S->getPassName() << "'\n"; 719e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 720e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 72114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 722fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 723fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 724fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 725fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 726fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 727fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 728fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 729fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 730fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 731fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 732fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 733fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 73497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 73597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 736d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 737fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 738d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 739fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 740fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 741889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 742889739c4d188d28c167644bced9df0f3131317d7Devang Patel 743df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7446b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 7457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 746f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 747edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 749693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7520ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 753f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 754f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7558fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 7560af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -*- '" << P->getPassName(); 7570af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' is the last user of following pass instances."; 7588fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel cerr << " Free these instances\n"; 7597c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 7607c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 761edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 762f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 7634eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 7654eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 76655d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 767f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 76855d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 7698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 770f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 771f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 772f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 773964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 774f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 775f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 776f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 777df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 778df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 7794045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 780893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 781e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 78266eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 783e253385b108cd946b1ac150302f246d3b218be77Devang Patel 784145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 785145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 786cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 787145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 788145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 789cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 790cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 791edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 792cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 793893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 794e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 795e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 796edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LastUses; 797569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 798569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 799569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 800e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 801e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 802569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 803569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 804569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 805e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 806e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 807e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 808cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 8095b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (PRequired->getResolver() && "Analysis Resolver is not set"); 810cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 811cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 812cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 813e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 814e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 815e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 816e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 817ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 8187b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 8197b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 820569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 821569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 822569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 823569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 8243f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 8253f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 8263f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 8278df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 8283f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 8298df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 830e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 831cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 832cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 833cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 834cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 835cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 836cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 8370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 8380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 8390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 8400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 8410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 8420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 8430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 8440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 8450ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 846893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 847893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 8480ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 849893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 850e253385b108cd946b1ac150302f246d3b218be77Devang Patel 851e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 852e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 853e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 854e253385b108cd946b1ac150302f246d3b218be77Devang Patel 855569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 856569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 857569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 858569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 859569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 860569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 861569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 8623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8633b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 864fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 865c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 866c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 867569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 868569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 869569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 870569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 871569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 872c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 87327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 8743b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 875fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 87627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 877569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 878569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 879569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 880569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 881569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 88227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 883c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 884c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 8852f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 8862f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 8872f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 8882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 8892f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 890419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 8913b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8923b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 893fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 8943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 8953b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 89669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8972f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 898f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 899f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 900f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 901cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 9025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (AR && "Analysis Resolver is not set"); 903298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 90769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 90869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 90969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 91069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 91169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 91269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 91369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 91469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 91569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 91669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 91769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 91869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 91969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 92069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9215b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 92269867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 92369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 924a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 925a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 926a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 927edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 928693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 929693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 930693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 931693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 932693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 933a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 934a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 935edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 936a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 937a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 938a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 939a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 940a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 941a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 942a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 943a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 944a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 945a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 946a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 947a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 948a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 949a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 950a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 951a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 952a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 953a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 954417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 955417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 9566b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 95726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 958a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 959a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 9607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 9617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 9627f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 9637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 9657d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 9667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9677f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 9687f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 9697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 9717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 9737f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 9747f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 9757d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 9767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 9787d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 9797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 9817d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 9827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9837f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 9847d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 9857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 9877d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 9887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 9907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 992a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 993a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 9940dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) 9950dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner const { 9960dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 9970dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 9980dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 9990dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10000dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10010dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10020dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10030dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10040dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) 10050dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner const { 10060dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10070dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10080dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10090dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10110dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10120dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10130dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10140dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpAnalysisUsage(const char *Msg, const Pass *P, 1015fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner const AnalysisUsage::VectorType &Set) 1016a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 10170dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10180dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10190dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 10210dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 10220dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (i) cerr << ","; 10230dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << " " << Set[i]->getPassName(); 10240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner } 10250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << "\n"; 1026a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1027f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 102819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 102919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 103019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 103119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 103219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 103319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 103419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 103519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 103619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10371cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10381cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10391cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10401cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10411cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10421cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10431cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10441cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10451cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10461cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1047c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 10480af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Unable to schedule '" << RequiredPass->getPassName(); 10490af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' required by '" << P->getPassName() << "'\n"; 1050c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1051c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel assert (0 && "Unable to schedule pass"); 105219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 105319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1054ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1055ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 1056ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1057ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 1058ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1059ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1060ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1061ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1062ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1063f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1064f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 1065f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 1066cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang PatelPass *AnalysisResolver::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 1067f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1068f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1069f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 10706b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 10716b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 10726b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 10736b1df0e863963929634d769f39cbce68f030f051Devang Patel} 10746b1df0e863963929634d769f39cbce68f030f051Devang Patel 107506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 107755fd43f90913676682487f89f27c756adb827f66Devang Patel 107855fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 107955fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 108055fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 108155fd43f90913676682487f89f27c756adb827f66Devang Patelbool 10825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 108355fd43f90913676682487f89f27c756adb827f66Devang Patel 10845cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 10851fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10861fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10873b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1088c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 108955fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 10901554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 10911554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1092017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 10936b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 10940dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1095017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 10961554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1097693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 10981554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 109955fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 11001554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 1101693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 110397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 110497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 11050dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1106693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 110758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11081554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11091554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 11106b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 111155fd43f90913676682487f89f27c756adb827f66Devang Patel } 1112fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11131a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 111455fd43f90913676682487f89f27c756adb827f66Devang Patel} 111555fd43f90913676682487f89f27c756adb827f66Devang Patel 1116964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 11175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 1118964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1119964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11201554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11211554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1122964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 1123964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1124964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1125964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1126964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1127964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 1129964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1130964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11311554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11321554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1133964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 1134964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1135964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1136964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1137964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1138964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 1140964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1141964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11421554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11431554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1144964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1145964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1146964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1147964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1148964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1149964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 1151964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1152964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11531554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11541554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1155964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1156964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1157964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1158964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1159964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1160964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1161964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 116206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11633162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 116406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1165c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 11663162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 11675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1168dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1169dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1170b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 117159ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1172b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1173b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1174cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1175cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1176cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 11773162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 117837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 117937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 118037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1181c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1182c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1183c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1184c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1185c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 11863162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1187c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1188c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1189c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1190214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1191214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1192214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1193214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 11943162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1195214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1196214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1197a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1198214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1199214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1200c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1201214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1202214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1203214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12043799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12053799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12063162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12073799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12083799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1210209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12113799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12123162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12133799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12143799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12153799f97d539f6c288d169063e1b335917fafcffbDevang Patel 121606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 12195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 12205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 12245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 12255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 12265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 12315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 12355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 12365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 12375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 12505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 12515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12521336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 12535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 12555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 12565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 12575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 12615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1262448d27cd795dc273249f123444509403f4fa4facDevang Patel 12631997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1264ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1265ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1266ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1267ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1268ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1269ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1270ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1271ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1272ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1273ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1274ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1275448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1276448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1277448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 12785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1279214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1280214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 12811fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12825cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 12831fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 1284bed7e6849823042c442e7e88dba5d41f68982815Devang Patel 1285bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1286bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 12871fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12881554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12891554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 12901554c8545651350569f08dc7370189da1a7e5814Devang Patel 12916b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 12920dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1293693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12941554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 12958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12961554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1297214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 12981554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1299693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13007f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 13016b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13020dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1303693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 130458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13051554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13061554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 13076b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 13085b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1309844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13105b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1311214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1312214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1313214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1314214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1316214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 13205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 13215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 13235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 13263799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13273799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13281554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13291554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13303799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 13313799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 13323799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13333799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13343799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13353799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 13373799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13383799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13391554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13401554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13413799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 13423799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 13433799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13443799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13453799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13463799f97d539f6c288d169063e1b335917fafcffbDevang Patel 134706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 134992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 135092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 135192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 135292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 135392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 135592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1356c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 13571554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13581554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 13591554c8545651350569f08dc7370189da1a7e5814Devang Patel 136097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 136197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13620dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1363693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13641554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 13658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13661554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 136792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 13681554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1369693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 137197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 137297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1374e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 137558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 13761554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 13771554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 13786b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 138092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 138292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1383569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1384569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1385569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1386569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1387569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1388569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1389569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1390569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1391569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1392569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1393569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1394dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 13950ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1396dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1397dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1398dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1399dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14010ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1402dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14030ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1404dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1405edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1406dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1407dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1408569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14090ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14120ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 14130ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 14140ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 14150ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 1416dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 14170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 14180ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1419dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1420dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(AID); 14210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14220ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 142406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 142506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 142637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1427b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1428b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1430b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1431b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 143245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1435c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 143745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14381336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 14395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1441a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1442b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1443b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1444b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 144606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 144706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 144806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14503162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1452dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1453dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14563162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 145737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 145837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 145937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 14605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 14615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 14625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 14635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 14645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 14653162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 14665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 14715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 14723162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 14735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 14745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 14778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 14788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 14798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 14808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 14818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 14828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 14838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 14848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 14858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 14868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 14878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 14888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 14898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 14908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 14918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 14928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 14938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 14948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 14958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 14968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 14978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 14988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1499c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1500c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1501c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1502c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1503c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1504c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1505c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1506c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1507c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1508c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1509c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1510c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 151109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 151209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 151309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 151436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 151509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 151609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 151709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 151809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 151909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 152009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 152109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 152209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 152309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 152409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1525c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 152609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 152797149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 152897149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 152997149737f27457b0411e49af3e4539688e29848fDevang Patel 153097149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 153197149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 153297149737f27457b0411e49af3e4539688e29848fDevang Patel } 153397149737f27457b0411e49af3e4539688e29848fDevang Patel else { 153497149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 153597149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 153697149737f27457b0411e49af3e4539688e29848fDevang Patel 153797149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 153897149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 153997149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 154097149737f27457b0411e49af3e4539688e29848fDevang Patel } 154197149737f27457b0411e49af3e4539688e29848fDevang Patel 154297149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 154397149737f27457b0411e49af3e4539688e29848fDevang Patel} 154409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 154597149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 154697149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 154797149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 154897149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 154997149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 1550fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("%s ", P->getPassName()); 155197149737f27457b0411e49af3e4539688e29848fDevang Patel } 155297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1553fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 155409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 155509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 155609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 155709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1558be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1559bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 156009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 156209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 156344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 156444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 156544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 156644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 156709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 15686b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 15696b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 157009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 157109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 157244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 157309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 157409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 15769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1577be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1578bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 157909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 158097149737f27457b0411e49af3e4539688e29848fDevang Patel // Find Module Pass Manager (TODO : Or Call Graph Pass Manager) 158109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 15826b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 15836b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 158409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 15859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 158609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 15879d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 158809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 15909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 15919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 15929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 159397149737f27457b0411e49af3e4539688e29848fDevang Patel 15949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 15959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1596bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 159797149737f27457b0411e49af3e4539688e29848fDevang Patel 15989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 15999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 160197149737f27457b0411e49af3e4539688e29848fDevang Patel 16029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 1604be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel 1605be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // If Call Graph Pass Manager is active then use it to manage 1606be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel // this new Function Pass manager. 1607be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel if (PMD->getPassManagerType() == PMT_CallGraphPassManager) 160859ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman FPP->assignPassManager(PMS, PMT_CallGraphPassManager); 1609be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patel else 161059ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman FPP->assignPassManager(PMS); 16119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 161509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 161809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 161909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1622be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1623bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 162409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 162509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 162609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 162797149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 162897149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1629fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 163009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 163109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 164697149737f27457b0411e49af3e4539688e29848fDevang Patel 164797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 164897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 164959ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1650531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 165409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 165709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 165809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1659580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1660d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1661d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1662d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1663d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1664d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1665d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1666d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1667d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1668d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1669d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1670d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1671d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1672d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1673d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1674d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1675d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1676d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1677d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1678d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1679d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1680d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1681d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1682d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1683d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1684d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1685d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1686d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1687d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1688d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1689d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1690