PassManager.cpp revision ac57b128c4846bdbd82a43b0f5f04a879aa94b08
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" 235b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel#include "llvm/Analysis/Dominators.h" 24d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 25ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 264520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 27b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 282bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 29c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 30ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 42e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 46f35cfe11efc7246189cec105725d696e787706f8Devang Patelbool VerifyDomInfo = false; 475b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelstatic cl::opt<bool,true> 485b57e720c875277131ed0d4f3b72a582979d1afeDevang PatelVerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo), 495b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cl::desc("Verify dominator info (time consuming)")); 505b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5226426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 59e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 6145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 6245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 63d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 64d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 65d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 66d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 67d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 68d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 69d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 70d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 71d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 72d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 73d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 74d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 75d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 76d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 77d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 78d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 79d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 80ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 81d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 82ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 83d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 84ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 85d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 86ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 87ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 88ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 89ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 90ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 91d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 92d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 93d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 94c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 963f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 987e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 100c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 101c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 1035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 104c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 105c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1061997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 107cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 108ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 109c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 110c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 111c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 112c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 113c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 11466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 11566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 11666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 11766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 11866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 119964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 120964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 121964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 122964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 123964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 124e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1259769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 126e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 127e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 128ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 129ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 130c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1311554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1321554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1331554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1341554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 135ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 136ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1371554c8545651350569f08dc7370189da1a7e5814Devang Patel 1381554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 139f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1401554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1411554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1421554c8545651350569f08dc7370189da1a7e5814Devang Patel } 14325919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 14484da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 14525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 14625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 147c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 148c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1491997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 150ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1511554c8545651350569f08dc7370189da1a7e5814Devang Patel 152ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 15936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 16036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1621997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 163cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 164ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 165794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 183209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 198cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 203a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 204a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 206a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 210f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 214c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 215c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2161997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2177e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2197e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 221b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 222b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 224c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2251997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 226cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 227ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 228693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 229693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 230693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 231dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 232693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 233693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 234dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 235693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 236693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 237693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 238693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 239c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 240c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 241c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 242be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 24366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 24466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 24566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 24666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 24766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 248569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 249569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 250569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 251569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 252569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2550ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 258e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 259e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 260e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 261e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 262ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 263ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 264ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2651554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2661554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2671554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 268dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 269693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2701554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 271ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 272ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 273ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2741554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 275f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 276f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 2771554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2781554c8545651350569f08dc7370189da1a7e5814Devang Patel 27984da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 28084da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 28184da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2820ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2830ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2840ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2850ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 286dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 287c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 288c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2891997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2907e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2927e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 293794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 29636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 29736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3001997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 301cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 302ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 303f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 308877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 309e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 310877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 31666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 31766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 31866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 31966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 321eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 322c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 323145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 324145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 325145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 326cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 327145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 328689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 329c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 330689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 331a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 332a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 333145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 334eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 335eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 337f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 3385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3431997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3458e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 347b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 349d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 350d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 351d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 352d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 354c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 366c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 367c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 369c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 370c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 371c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 372c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 373c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 374c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 375c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 387f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(I != TimingData.end() && "passStarted/passEnded not nested right!"); 388c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 389c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 390c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 391c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 392c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 393c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 394844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 395844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 39606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3998f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 400d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4018f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4028f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4038f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4048f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4058f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 406d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4078f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4088f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4098f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4108f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4118f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4128f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4138f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 415edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 417edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 421d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 422d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 423d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 424d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 427721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 430721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 431721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 438edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 439721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 440721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 441721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 442721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 443721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 444721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 445721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 446721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 447721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 448721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 449721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 450721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4533b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4613b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4633b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 47422a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 47522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 47622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4771cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4781cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4791cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 480c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 481641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 482641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 483c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 484641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 4851cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4863b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 4873b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 488488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 489488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 490488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 491488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 492488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 493488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 494488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 495488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 496488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 497488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 498488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 499488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 500488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 501488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 502488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 503488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 504488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 505488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 506488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 507488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 508488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 509488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 510488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 511488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 512488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 513488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 514488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 515488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 529d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 53078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 531d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5320961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 533d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 534d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 535d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 536d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 537f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 538f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 539d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 540d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 541d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 54278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 55097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 55197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5521a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5531a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 560ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 561a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 562ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 56326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 566ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 567ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 568ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 569ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 570ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5710961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5720961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5730961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5740961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 57578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 576ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5770961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 578ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 579ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 580a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 581c32cf54101ecaf336d161fecd58667870149169cDevang Patel 58226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 583c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 584c32cf54101ecaf336d161fecd58667870149169cDevang Patel 585c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 58678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 587d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 588d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 589c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 590c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 591c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5921336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 59378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 594d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 595d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 5961336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5971336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 59878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 5991336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6001336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 601721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 602f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 603721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 604721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 605721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 606721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 607721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 608721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 609721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 610721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 611721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 612721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 613721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6141336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 616ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 617ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 61878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 619ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 620ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 621ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 62278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 623ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 624ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6253b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6263b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 627f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 628f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 629ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 630ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 632419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 633889739c4d188d28c167644bced9df0f3131317d7Devang Patel 634b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 635f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 636f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 637f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 638f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 639f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 640b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 641f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 642f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 643f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 644f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 645f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 646b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 647b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6487b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6497b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6507b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6513b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6537b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6547b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 65678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6577b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6587b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 65997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 66097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 66197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 662d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 663d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6647b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6657b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6667b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6677b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 669e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 67058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 671e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 672e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 673e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 674e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6753b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6763b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 67714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6789750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 679fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 68058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 68158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 682e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 68358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6849750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 68558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 68658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 6875b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 6885b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 6895b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 6905b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6915b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6921465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>(); 6935b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 6945b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6955b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6965b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 6975b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 6985b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 6995b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7000af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7015b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 703844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7045b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 705f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Invalid dominator info"); 7065b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7075b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7081465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>(); 7095b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 7105b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7115b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7125b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 7135b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 7145b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 7155b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 7165b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7170af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7185b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7195b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 720844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7215b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 722f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Invalid dominator info"); 7235b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7245b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7255b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 726844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 72758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7293b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 73004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 73104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7323b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 733b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 73454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7351a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 736d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 737d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 738e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 73914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 740e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 741e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 7420af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -- '" << P->getPassName() << "' is not preserving '"; 7430af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << S->getPassName() << "'\n"; 744e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 745e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 746e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 74714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 748fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 749fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 750fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 751fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 752fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 753fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 754fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 755fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 756fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 757fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 758fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 759fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 76097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 76197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 762d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 763fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 764d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 765fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 766fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 767889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 768889739c4d188d28c167644bced9df0f3131317d7Devang Patel 769df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7706b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 7717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 772f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 773edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7740ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 775693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7760ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7770ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7780ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 779f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 780f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7818fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 7820af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -*- '" << P->getPassName(); 7830af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' is the last user of following pass instances."; 7848fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel cerr << " Free these instances\n"; 7857c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 7867c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 787edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 788f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 7894eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 7914eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 792d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 793d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes releasing memory, remember this. 794d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(*I); 795d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 796d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(*I); 797d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->releaseMemory(); 798d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(*I); 799d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 800617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (const PassInfo *PI = (*I)->getPassInfo()) { 801617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 802617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.find(PI); 803617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 804617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 805617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end()) 806617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 807617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 808617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // Remove all interfaces this pass implements, for which it is also 809617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // listed as the available implementation. 810617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 811617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) { 812617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel Pos = AvailableAnalysis.find(II[i]); 813617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end() && Pos->second == *I) 814617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 815617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 816617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 817f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 818df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 819df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8204045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 821893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 822f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 823145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 824145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 825cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 826145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 827145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 828cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 829cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 830edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 831cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 832f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 833f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 834f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 835f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 836f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 837569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 838f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 839f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 840f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 841f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 842cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 843f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 844f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 845f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 846f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 847f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 848f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 849f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 850f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 851f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 852f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 853f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 854f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 855f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 856f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 857f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 858f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 859f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 860f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 861f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 862f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 863f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Unable to accomodate Required Pass"); 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 866f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 867f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 868f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 870f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 871f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 873f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 874f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 875f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 876f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 877f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 878f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 8790ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 880f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 881f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 882f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 883f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 884f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 885f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 886893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 887e253385b108cd946b1ac150302f246d3b218be77Devang Patel 888f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 889f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 890f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 892f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 893e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 894e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 895e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 896e253385b108cd946b1ac150302f246d3b218be77Devang Patel 897569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 898569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 899569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 900569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 901569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 902569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 903569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9043b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9053b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 906fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 907f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 908569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 909569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 910569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 911f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 912c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 91327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9143b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 915fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 91627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 917569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 918569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 919569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 920f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 92127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 922c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 923c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9242f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9252f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9262f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9272f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9282f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 929419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9303b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9313b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 932fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9333b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9343b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 93569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9362f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 937f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 938f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 939f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 940cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 941f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 942298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9432f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9442f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9452f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 94669867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 94769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 94869867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 94969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 95069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 95169867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 95269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 95369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 95469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 95569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 95669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 95769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 95869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 95969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9605b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 96169867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 96269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 963a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 964a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 965a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 966edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 967693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 968693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 969693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 970693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 971693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 972a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 973a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 974edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 975a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 976a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 977a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 978a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 979a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 980a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 981a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 982f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 983a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 984a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 985a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 986a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 987a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 988a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 989a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 990a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 991a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 992a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 993417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 994417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 9956b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 99626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 997a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 998a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 9997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10007f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 10017f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 10027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10037f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 10047d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 10057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 10077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 10087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10107f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10117f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10127f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 10147d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 10157f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 10177d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 10187f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 10207d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 10217f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 10237d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 10247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10257f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10267d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 10277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1031a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1032a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1033d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10340dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10350dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10360dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10370dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10380dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10390dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10400dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10410dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1042d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10430dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10440dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10450dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10460dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10470dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10480dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10490dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10500dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpAnalysisUsage(const char *Msg, const Pass *P, 1052d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10530dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10540dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10550dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10560dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1057d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1058d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (i) cerr << ","; 1059d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner cerr << " " << Set[i]->getPassName(); 1060d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1061d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner cerr << "\n"; 1062a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1063f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 106419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 106519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 106619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 106719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 106819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 106919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 107019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 107119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 107219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10731cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10741cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10751cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10761cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10771cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10781cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10791cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10801cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10811cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10821cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1083c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 10840af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Unable to schedule '" << RequiredPass->getPassName(); 10850af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' required by '" << P->getPassName() << "'\n"; 1086c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1087f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Unable to schedule pass"); 108819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 108919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1090ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1091ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 109278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1093ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1094ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1095ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1096ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1097f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1098f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 10991465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11001465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1101f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1102f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1103f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 11046b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 11056b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11066b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11076b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11086b1df0e863963929634d769f39cbce68f030f051Devang Patel 110906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 111155fd43f90913676682487f89f27c756adb827f66Devang Patel 111255fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 111355fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 111455fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1115d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11165cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11171fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11181fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11193b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1120c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 112155fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11221554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11231554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1124017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11256b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 11260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1127017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11281554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1129693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1130d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1131d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1132d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(BP); 1135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 1136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(BP); 1137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1138693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 114097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 114197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 11420dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1143693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 114458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11451554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11461554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 11476b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 114855fd43f90913676682487f89f27c756adb827f66Devang Patel } 1149fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11501a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 115155fd43f90913676682487f89f27c756adb827f66Devang Patel} 115255fd43f90913676682487f89f27c756adb827f66Devang Patel 1153964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1154e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1155964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1156964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1157d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1158d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1159964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1160964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1161964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1162964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1163e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1164964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1165964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1166d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1167d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1168964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1169964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1170964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1171964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1172e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1173964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1174964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11751554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11761554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1177964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1179964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1180964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1183e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11861554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11871554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1188964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1189964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1190964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1191964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1192964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1193964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1194964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 119506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11963162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 119706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1198c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 11993162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 12005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1201dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1202dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1203b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 120459ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1205b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1206b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1207cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1208cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1209cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12103162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 121137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 121237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 121337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1214c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1215c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1216c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1217c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1218c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12193162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1220c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1221c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1222c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1223214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1224214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1225214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1226214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12273162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1228214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1229214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1230a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1231214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1232214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1233c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1234214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1235214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1236214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12383799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12393162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12403799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12413799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12423799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1243209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12443799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12453162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12463799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12473799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12483799f97d539f6c288d169063e1b335917fafcffbDevang Patel 124906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1252e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1255d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1256d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1261e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1264d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1265d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 12775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 12785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12791336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1280d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1281d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 12825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 12865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1287448d27cd795dc273249f123444509403f4fa4facDevang Patel 12881997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1289ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1290ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1291ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1292ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1293ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1294ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1295ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1296ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1297ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1298ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1299ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1300448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1301448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1302448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1304f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1305f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1306214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1307214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13081fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1309bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1310bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13111fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13121554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13131554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13141554c8545651350569f08dc7370189da1a7e5814Devang Patel 13156b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13160dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1317693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13181554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1320d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1321d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1322d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1323d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1324d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 1325d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1326d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1327693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 13296b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13300dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1331693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 133258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13331554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13341554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 13356b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 13365b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1337844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13385b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1339214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1340214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1341214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1342214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 13445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1346f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1347f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 13485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 13505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1352e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 13533799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13543799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1355d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1356d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 13573799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13583799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13593799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1361e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 13623799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13633799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1364d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1365d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 13663799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13673799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13683799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 137006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 137292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 137492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 137592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 137692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 137892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1379c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 13801554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13811554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 13821554c8545651350569f08dc7370189da1a7e5814Devang Patel 138397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 138497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1386693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13871554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 13888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1389d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1390d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1391d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(MP); 1392d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 1393d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1394d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1395693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 139797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 139897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13990dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1400e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 140158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14021554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14031554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14046b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 140592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 140692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 140792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 140892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1409569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1410569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1411569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1412569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1413f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1414f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1415f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1416f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1417f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1418569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1419dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14200ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1421dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1422dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1423dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1424dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14250ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1427dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1429dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1430edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1431dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1432dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1433569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14340ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14350ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1438f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1439dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1440f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 14410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1442dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1443f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 14440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 144706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 144806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 144937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1450b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1451b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1453b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 14548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1456c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 145845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14591336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1460d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1461d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1462b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1463b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 146506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 146606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 146706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14693162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1471dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1472dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14753162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 147637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 147737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 147837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 14795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 14805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 14815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 14825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1483f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 14845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1489f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 14905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 14915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 14948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 14958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 14968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 14978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 14988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 14998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1516c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1517c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1518c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1519c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1520c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1521c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1522c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1523c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1524c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1525c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1526c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1527c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 152809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 152909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 153009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 153136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 153209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 153309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 153409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 153509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 153609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 153709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 153809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 153909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 154009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 154109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1542c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1543f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 154409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1545f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1546f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 154797149737f27457b0411e49af3e4539688e29848fDevang Patel 1548f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 154997149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 155097149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 155197149737f27457b0411e49af3e4539688e29848fDevang Patel } 155297149737f27457b0411e49af3e4539688e29848fDevang Patel 155397149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 155497149737f27457b0411e49af3e4539688e29848fDevang Patel} 155509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 155697149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 155797149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1558f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1559f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1560f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1561f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 156297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1563fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 156409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 156509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 156709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1568be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1569bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 157009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 157109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 157244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 157344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 157444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 157544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 157609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 15776b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 15786b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 157909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1580bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 158144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 158209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 158309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 15859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1586be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1587bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 158809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15890938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 159009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 15916b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 15926b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 159309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 15949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 159509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 15969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 159709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 15999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 160297149737f27457b0411e49af3e4539688e29848fDevang Patel 16039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1605bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 160697149737f27457b0411e49af3e4539688e29848fDevang Patel 16079d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 161097149737f27457b0411e49af3e4539688e29848fDevang Patel 16119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16130938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 161809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 162109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 162209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1625be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1626bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 162709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 162809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 162997149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 163097149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1631fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 163209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 163309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 164897149737f27457b0411e49af3e4539688e29848fDevang Patel 164997149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 165097149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 165159ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1652531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 165609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 165909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 166009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1661580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1662d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1663d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1664d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1665d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1666d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1667d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1668d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1669d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1670d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1671d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1672d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1673d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1674d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1675d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1676d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1677d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1678d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1679d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1680d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1681d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1682d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1683d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1684d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1685d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1686d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1687d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1688d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1689d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1690d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1691d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1692