PassManager.cpp revision f005a6466af1557da10f9857cf210f946bfa2b85
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" 22d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 23f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/Support/Threading.h" 24f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 255b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel#include "llvm/Analysis/Dominators.h" 26d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 27ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 284520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 29b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 302bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 31c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 32ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 48d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands// Always verify dominfo if expensive checking is enabled. 49d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands#ifdef XDEBUG 50d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sandsbool VerifyDomInfo = true; 51d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands#else 52f35cfe11efc7246189cec105725d696e787706f8Devang Patelbool VerifyDomInfo = false; 53d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands#endif 545b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelstatic cl::opt<bool,true> 555b57e720c875277131ed0d4f3b72a582979d1afeDevang PatelVerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo), 565b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cl::desc("Verify dominator info (time consuming)")); 575b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 5845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5926426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 6145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 62e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 63e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 64e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 65e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 66e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 6745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 6845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 6945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 70d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 71d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 72d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 73d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 74d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 75d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 76d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 77d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 78d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 79d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 80d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 81d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 82d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 83d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 84d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 85d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 86d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 87ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 88d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 89ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 90d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 91ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 92d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 93ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 94ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 95ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 96ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 97ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 98d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 99d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 100d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 101c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1033f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1057e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 107c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 108c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 1105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 111c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 112c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1131997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 114cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 115ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 117c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 118c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 119c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 120c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 12166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 12266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 12366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 12466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 12566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 126964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 127964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 128964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 129964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 130964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 131e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1329769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 133e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 134e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 135ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 136ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 137c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1381554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1391554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1401554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1411554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 142ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 143ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1441554c8545651350569f08dc7370189da1a7e5814Devang Patel 1451554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 146f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1471554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1481554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1491554c8545651350569f08dc7370189da1a7e5814Devang Patel } 15025919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 15184da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 15225919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 15325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 154c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 155c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1561997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 157ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1581554c8545651350569f08dc7370189da1a7e5814Devang Patel 159ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 16636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 16736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1691997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 170cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 171ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 172794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 190209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 2005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 2025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 205cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 210a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 211a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 213a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 217f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 221c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 222c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2231997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2247e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2267e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 228b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 229b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 231c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2321997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 233cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 234ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 235693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 236693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 237693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 238dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 239693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 240693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 241dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 242693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 243693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 244693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 245693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 246c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 247c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 248c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 249be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 25066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 25166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 25266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 25366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 25466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 255569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 256569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 257569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 258569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 259569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2600ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2610ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2620ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2630ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 265e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 266e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 267e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 268e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 269ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 270ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 271ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2721554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2731554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2741554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 275dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 276693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2771554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 278ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 279ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 280ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2811554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 282f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 283f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 2841554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2851554c8545651350569f08dc7370189da1a7e5814Devang Patel 28684da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 28784da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 28884da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2890ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2900ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2920ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 293dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 294c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 295c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2961997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2977e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2997e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 300794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 30336bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 30436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3071997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 308cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 309ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 310f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 315877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 316e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 317877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3215a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 32366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 328eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 329c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 330145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 331145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 332145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 333cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 334145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 335689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 336c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 337689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 338a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 339a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 340145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 341eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 342eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 344f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 3455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3501997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 354b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 356d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 357d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 358d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 359d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 360f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 361f005a6466af1557da10f9857cf210f946bfa2b85Owen Andersonstatic ManagedStatic<sys::Mutex> TimingInfoMutex; 362f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 366c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 367c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 369c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 370c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 371c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 372c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 373c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 374c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 375c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 387f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson if (llvm_is_multithreaded()) TimingInfoMutex->acquire(); 388c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 389c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 390c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 391c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 392f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson if (llvm_is_multithreaded()) TimingInfoMutex->release(); 393c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 394c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 395c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 396c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 397c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 398f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson if (llvm_is_multithreaded()) TimingInfoMutex->acquire(); 399c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 400f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(I != TimingData.end() && "passStarted/passEnded not nested right!"); 401c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 402f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson if (llvm_is_multithreaded()) TimingInfoMutex->release(); 403c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 404c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 405c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 406c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 408844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 409844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 41006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4138f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 414d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4178f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4188f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4198f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 420d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4218f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4228f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4238f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4248f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4258f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4268f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4278f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 429edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 431edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 435d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 436d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 437d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 438d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 441721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 444721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 445721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 452edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 453721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 454721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 455721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 456721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 457721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 458721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 459721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 460721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 461721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 462721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 463721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 464721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4673b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4683b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4693b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4703b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4713b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4723b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4733b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4743b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4753b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4763b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4773b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 48822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 48922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 49022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4911cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4921cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4931cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 494c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 495641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 496641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 497c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 498641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 4991cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5013b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 502488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 503488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 504488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 505488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 506488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 507488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 508488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 509488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 510488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 511488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 512488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 513488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 514488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 515488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 516488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 517488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 518488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 519488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 520488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 521488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 522488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 523488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 524488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 525488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 526488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 527488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 528488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 529488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 543d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 54478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 545d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5460961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 547d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 548d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 549d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 550d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 551f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 552f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 553d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 554d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 555d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 55678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 56497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 56597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5661a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5671a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 574ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 575a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 576ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 57726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 580ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 581ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 582ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 583ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 584ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5850961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5860961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5870961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5880961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 58978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 590ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5910961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 592ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 593ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 594a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 595c32cf54101ecaf336d161fecd58667870149169cDevang Patel 59626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 597c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 598c32cf54101ecaf336d161fecd58667870149169cDevang Patel 599c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 60078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 601d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 602d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 603c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 604c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 605c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6061336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 60778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 608d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 609d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 6101336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6111336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 61278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6131336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6141336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 615721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 616f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 617721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 618721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 619721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 620721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 621721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 622721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 623721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 624721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 625721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 626721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 627721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6281336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 630ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 631ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 63278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 633ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 634ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 635ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 63678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 637ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 638ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6393b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6403b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 641f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 642f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 643ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 644ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 646419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 647889739c4d188d28c167644bced9df0f3131317d7Devang Patel 648b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 649f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 650f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 651f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 652f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 653f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 654b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 655f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 656f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 657f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 658f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 659f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 660b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 661b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6627b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6637b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6647b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6677b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6693b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 67078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 67397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 67497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 67597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 676d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 677d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 683e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 68458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 685e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 686e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 687e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 688e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6903b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 69114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6929750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 693fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 69458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 69558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 696e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 69758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6989750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 69958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 70058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 7015b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 7025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 7035b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 7045b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7055b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7061465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>(); 7075b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 7085b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7095b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7105b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 7115b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 7125b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 7135b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7140af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7155b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7165b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 717844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7185b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 719f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Invalid dominator info"); 7205b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7215b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7221465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>(); 7235b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 7245b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7255b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7265b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 7275b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 7285b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 7295b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 7305b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7310af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7325b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7335b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 734844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7355b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 736f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Invalid dominator info"); 7375b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7385b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7395b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 740844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 74158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7423b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7433b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 74404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 74504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7463b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 747b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 74854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7491a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 750d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 751d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 752e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 75314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 754e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 755e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 7560af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -- '" << P->getPassName() << "' is not preserving '"; 7570af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << S->getPassName() << "'\n"; 758e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 759e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 760e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 76114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 762fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 763fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 764fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 765fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 766fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 767fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 768fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 769fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 770fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 771fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 772fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 773fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 77497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 77597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 776d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 777fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 778d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 779fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 780fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 781889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 782889739c4d188d28c167644bced9df0f3131317d7Devang Patel 783df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7846b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 7857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 786f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 787edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7880ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 789693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7900ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7920ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 793f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 794f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7958fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 7960af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -*- '" << P->getPassName(); 7970af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' is the last user of following pass instances."; 7988fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel cerr << " Free these instances\n"; 7997c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8007c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 801edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 802f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 8034eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8047f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 8054eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 806d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 807d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes releasing memory, remember this. 808d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(*I); 809d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 810d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(*I); 811d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->releaseMemory(); 812d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(*I); 813d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 814617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (const PassInfo *PI = (*I)->getPassInfo()) { 815617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 816617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.find(PI); 817617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 818617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 819617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end()) 820617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 821617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 822617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // Remove all interfaces this pass implements, for which it is also 823617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // listed as the available implementation. 824617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 825617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) { 826617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel Pos = AvailableAnalysis.find(II[i]); 827617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end() && Pos->second == *I) 828617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 829617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 830617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 831f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 832df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 833df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8344045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 835893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 836f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 837145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 838145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 839cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 840145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 841145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 842cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 843cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 844edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 845cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 846f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 847f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 848f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 849f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 850f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 851569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 852f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 853f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 854f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 855f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 856cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 857f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 858f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 859f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 860f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 861f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 862f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 863f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 866f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 867f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 868f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 870f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 871f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 873f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 874f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 875f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 876f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 877f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 878f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Unable to accomodate Required Pass"); 879f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 880f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 881f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 882f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 883f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 884f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 885f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 886f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 887f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 888f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 889f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 890f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 892f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 8930ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 894f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 895f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 896f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 897f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 898f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 899f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 900893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 901e253385b108cd946b1ac150302f246d3b218be77Devang Patel 902f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 903f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 904f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 905f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 906f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 907e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 908e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 909e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 910e253385b108cd946b1ac150302f246d3b218be77Devang Patel 911569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 912569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 913569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 914569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 915569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 916569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 917569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9193b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 920fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 921f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 922569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 923569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 924569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 925f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 926c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 92727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 929fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 93027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 931569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 932569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 933569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 934f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 93527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 936c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 937c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9382f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9392f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9402f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9412f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9422f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 943419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9443b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9453b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 946fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9473b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9483b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 94969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9502f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 951f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 952f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 953f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 954cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 955f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 956298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 96069867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 96169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 96269867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 96369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 96469867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 96569867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 96669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 96769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 96869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 96969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 97069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 97169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 97269867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 97369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9745b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 97569867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 97669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 977a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 978a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 979a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 980edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 981693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 982693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 983693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 984693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 985693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 986a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 987a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 988edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 989a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 990a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 991a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 992a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 993a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 994a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 995a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 996f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 997a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 998a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 999a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1000a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 1001a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 1002a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1003a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 1004a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1005a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1006a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1007417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1008417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 10096b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 101026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1011a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1012a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 10137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 10157f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 10167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10177f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 10187d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 10197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10207f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 10217f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 10227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10237f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10257f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 10287d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 10297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 10317d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 10327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 10347d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 10357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 10377d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 10387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10407d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 10417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1045a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1046a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1047d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10480dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10490dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10500dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10520dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10530dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10540dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10550dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1056d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10590dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10600dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10610dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10620dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10630dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10650dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpAnalysisUsage(const char *Msg, const Pass *P, 1066d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10670dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10680dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10690dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1071d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1072d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (i) cerr << ","; 1073d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner cerr << " " << Set[i]->getPassName(); 1074d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1075d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner cerr << "\n"; 1076a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1077f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 107819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 107919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 108019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 108119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 108219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 108319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 108419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 108519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 108619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10871cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10881cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10891cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10901cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10911cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10921cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10931cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10941cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10951cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10961cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1097c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 10980af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Unable to schedule '" << RequiredPass->getPassName(); 10990af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' required by '" << P->getPassName() << "'\n"; 1100c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1101f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Unable to schedule pass"); 110219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 110319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1104ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1105ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 110678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1107ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1108ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1109ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1110ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1111f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1112f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11131465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11141465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1115f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1116f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1117f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 11186b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 11196b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11206b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11216b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11226b1df0e863963929634d769f39cbce68f030f051Devang Patel 112306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 112555fd43f90913676682487f89f27c756adb827f66Devang Patel 112655fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 112755fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 112855fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11305cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11311fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11321fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11333b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1134c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 113555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11361554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11371554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1138017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11396b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 11400dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1141017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11421554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1143693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1144d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1145d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1146d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1147d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1148d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(BP); 1149d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 1150d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(BP); 1151d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1152693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11537f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 115497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 115597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 11560dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1157693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 115858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11591554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11601554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 11616b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 116255fd43f90913676682487f89f27c756adb827f66Devang Patel } 1163fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11641a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 116555fd43f90913676682487f89f27c756adb827f66Devang Patel} 116655fd43f90913676682487f89f27c756adb827f66Devang Patel 1167964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1168e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1169964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1170964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1171d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1172d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1173964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1174964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1175964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1176964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1177e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1179964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1180d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1181d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1183964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1186e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1187964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1188964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11891554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11901554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1191964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1192964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1193964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1194964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1195964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1196964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1197e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1198964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1199964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12001554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1202964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1203964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1204964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1205964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1206964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1207964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1208964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 120906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12103162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 121106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1212c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 12133162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 12145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1215dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1216dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1217b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 121859ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1219b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1220b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1221cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1222cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1223cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12243162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 122537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 122637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 122737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1228c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1229c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1230c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1231c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1232c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12333162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1234c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1235c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1236c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1237214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1238214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1239214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1240214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12413162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1242214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1243214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1244a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1245214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1246214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1247c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1248214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1249214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1250214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12513799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12523799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12533162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12543799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12553799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1257209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12583799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12593162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12603799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12613799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12623799f97d539f6c288d169063e1b335917fafcffbDevang Patel 126306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1266e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1269d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1270d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1275e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1278d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1279d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12849dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 12859dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 12869dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12879dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 12889dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 12899dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 12909dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 12919dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 12929dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 12939dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 13015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 13025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13031336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1304d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1305d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 13069dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13079dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 13089dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 13099dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 13145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1315448d27cd795dc273249f123444509403f4fa4facDevang Patel 13161997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1317ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1318ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1319ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1320ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1321ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1322ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1323ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1324ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1325ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1326ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1327ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1328448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1329448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1330448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1332f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1333f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1334214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1335214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13361fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1337bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1338bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13391fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13401554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13411554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13421554c8545651350569f08dc7370189da1a7e5814Devang Patel 13436b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13440dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1345693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13461554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1348d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1349d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1350d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1351d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1352d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 1353d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1354d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1355693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13567f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 13576b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1359693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 136058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13611554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13621554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 13636b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 13645b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1365844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13665b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1367214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1368214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1369214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1370214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 13725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1374f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1375f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 13765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 13785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1380e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 13813799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13823799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1383d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1384d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 13853799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13863799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13873799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1389e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 13903799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13913799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1392d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1393d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 13943799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13953799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13963799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13973799f97d539f6c288d169063e1b335917fafcffbDevang Patel 139806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 140092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 140192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 140292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 140392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 140492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 14055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 140692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1407c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 14081554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14091554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 14101554c8545651350569f08dc7370189da1a7e5814Devang Patel 141197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 141297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14130dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1414693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14151554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 14168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1417d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1418d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1419d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(MP); 1420d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 1421d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1422d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1423693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 142597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 142697cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14270dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1428e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 142958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14301554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14311554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14326b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 143392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 143492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 143592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 143692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1437569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1438569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1439569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1440569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1441f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1442f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1443f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1444f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1445f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1446569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1447dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1449dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1450dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1451dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1452dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1455dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1457dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1458edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1459dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1460dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1461569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14620ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14630ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14650ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1466f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1467dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1468f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 14690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1470dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1471f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 14720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14730ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14740ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 147506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 147606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 147737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1478b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1479b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1481b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 14828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1484c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 148645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14871336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1488d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1489d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1490b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1491b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 149306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 149406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 149506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14973162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1499dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1500dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 15015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15033162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 150437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 150537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 150637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 15085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 15095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 15105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1511f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 15125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 15135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 15165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1517f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 15185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 15195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 15228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 15238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 15248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15368e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15388e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15418e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15428e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15438e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1544c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1545c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1546c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1547c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1548c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1549c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1550c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1551c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1552c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1553c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1554c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1555c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 155609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 155709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 155809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 155936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 156009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 156109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 156209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 156409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 156509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 156709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 156809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1570c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1571f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 157209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1573f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1574f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 157597149737f27457b0411e49af3e4539688e29848fDevang Patel 1576f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 157797149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 157897149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 157997149737f27457b0411e49af3e4539688e29848fDevang Patel } 158097149737f27457b0411e49af3e4539688e29848fDevang Patel 158197149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 158297149737f27457b0411e49af3e4539688e29848fDevang Patel} 158309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 158497149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 158597149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1586f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1587f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1588f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1589f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 159097149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1591fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 159209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 159309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 159409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 159509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1596be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1597bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 159809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 159909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 160044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 160144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 160244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 160344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 160409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 16056b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 16066b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 160709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1608bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 160944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 161009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 161109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 16139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1614be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1615bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 161609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16170938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 161809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 16196b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 16206b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 162109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 16229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 162309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 16249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 162509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 163097149737f27457b0411e49af3e4539688e29848fDevang Patel 16319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1633bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 163497149737f27457b0411e49af3e4539688e29848fDevang Patel 16359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 163897149737f27457b0411e49af3e4539688e29848fDevang Patel 16399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16410938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 164609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 164909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 165009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1653be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1654bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 165509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 165609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 165797149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 165897149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1659fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 166009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 166109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 167697149737f27457b0411e49af3e4539688e29848fDevang Patel 167797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 167897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 167959ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1680531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16829d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 168409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 168709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 168809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1689580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1690d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1691d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1692d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1693d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1694d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1695d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1696d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1697d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1698d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1699d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1700d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1701d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1702d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1703d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1704d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1705d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1706d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1707d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1708d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1709d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1710d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1711d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1712d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1713d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1714d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1715d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1716d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1717d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1718d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1719d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1720