PassManager.cpp revision d6f16587ab292b20857933b3ba13d3d1c62a8d62
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 80d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner std::string Name = V->getNameStr(); 81d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (Name.empty()) 82d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Name = "<anonymous>"; 83d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<GlobalValue>(V)) 84d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Name = "@" + Name; 85d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 86d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Name = "%" + Name; 87d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 88d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 89d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on function '" << Name << "'\n"; 90d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 91d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on basic block '" << Name << "'\n"; 92d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 93d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on value '" << Name << "'\n"; 94d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 95d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 96d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 97c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1017e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 103c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 104c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 1065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 107c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 108c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1091997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 110cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 111ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 112c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 113c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 114c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 115c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 11766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 11866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 11966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 12066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 12166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 122964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 123964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 124964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 125964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 126964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 127e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1289769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 129e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 130e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 131ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 132ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 133c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1341554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1351554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1361554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1371554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 138ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 139ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1401554c8545651350569f08dc7370189da1a7e5814Devang Patel 1411554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 142f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1431554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1441554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1451554c8545651350569f08dc7370189da1a7e5814Devang Patel } 14625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 14784da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 14825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 14925919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 150c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 151c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1521997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 153ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1541554c8545651350569f08dc7370189da1a7e5814Devang Patel 155ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 16236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 16336bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1651997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 166cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 167ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 168794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 186209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 201cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 206a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 207a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 209a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 213f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 217c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 218c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2191997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2207e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2227e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 224b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 225b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 227c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2281997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 229cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 230ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 231693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 232693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 233693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 234dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 235693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 236693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 237dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 238693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 239693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 240693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 241693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 242c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 243c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 244c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 245be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 24666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 24766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 24866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 24966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 25066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 251569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 252569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 253569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 254569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 255569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2600ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 261e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 262e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 263e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 264e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 265ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 266ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 267ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2681554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2691554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2701554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 271dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 272693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2731554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 274ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 275ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 276ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2771554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 278f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 279f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 2801554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2811554c8545651350569f08dc7370189da1a7e5814Devang Patel 28284da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 28384da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 28484da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2850ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2860ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2870ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2880ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 289dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 290c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 291c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2921997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2937e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2957e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 296794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 29936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 30036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3031997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 304cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 305ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 306f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 311877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 312e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 313877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 31966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 324eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 325c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 326145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 327145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 328145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 329cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 330145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 331689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 332c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 333689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 334a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 335a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 336145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 337eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 338eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 340f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 3415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3461997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 350b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 352d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 353d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 354d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 355d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 366c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 367c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 369c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 370c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 371c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 372c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 373c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 374c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 375c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 387c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 388c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 389c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 390f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(I != TimingData.end() && "passStarted/passEnded not nested right!"); 391c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 392c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 393c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 394c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 395c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 397844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 398844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 39906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4028f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 403d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4048f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4058f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4068f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4078f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4088f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 409d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4108f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4118f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4128f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4138f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4148f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 418edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 420edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 424d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 425d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 426d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 427d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 430721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 433721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 434721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 441edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 442721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 443721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 444721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 445721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 446721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 447721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 448721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 449721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 450721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 451721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 452721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 453721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4563b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4613b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4633b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4673b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4683b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 47722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 47822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 47922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4801cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4811cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4821cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 483c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 484641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 485641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 486c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 487641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 4881cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 4903b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 491488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 492488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 493488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 494488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 495488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 496488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 497488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 498488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 499488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 500488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 501488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 502488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 503488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 504488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 505488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 506488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 507488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 508488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 509488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 510488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 511488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 512488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 513488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 514488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 515488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 516488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 517488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 518488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 532d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 53378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 534d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5350961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 536d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 537d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 538d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 539d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 540f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 541f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 542d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 543d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 544d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 54578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 55397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 55497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5551a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5561a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 563ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 564a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 565ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 56626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 569ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 570ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 571ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 572ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 573ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5740961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5750961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5760961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5770961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 57878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 579ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5800961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 581ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 582ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 583a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 584c32cf54101ecaf336d161fecd58667870149169cDevang Patel 58526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 586c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 587c32cf54101ecaf336d161fecd58667870149169cDevang Patel 588c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 58978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 590d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 591d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 592c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 593c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 594c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5951336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 59678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 597d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 598d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 5991336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6001336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 60178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6021336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6031336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 604721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 605f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 606721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 607721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 608721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 609721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 610721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 611721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 612721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 613721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 614721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 615721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 616721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6171336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6181336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 619ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 620ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 62178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 622ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 623ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 624ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 62578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 626ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 627ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6293b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 630f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 631f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 632ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 633ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 635419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 636889739c4d188d28c167644bced9df0f3131317d7Devang Patel 637b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 638f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 639f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 640f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 641f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 642f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 643b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 644f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 645f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 646f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 647f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 648f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 649b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 650b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6517b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6527b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6537b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6567b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6577b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 65978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6607b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6617b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 66297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 66397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 66497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 665d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 666d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6677b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6697b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6707b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 672e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 67358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 674e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 675e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 676e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 677e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 68014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6819750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 682fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 68358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 68458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 685e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 68658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6879750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 68858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 68958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 6905b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 6915b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 6925b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 6935b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6945b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6951465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>(); 6965b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 6975b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6985b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6995b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 7005b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 7015b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 7025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7030af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7045b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7055b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 706844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7075b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 708f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Invalid dominator info"); 7095b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7105b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7111465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>(); 7125b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 7135b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7145b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7155b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 7165b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 7175b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 7185b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 7195b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7200af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7215b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7225b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 723844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7245b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 725f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Invalid dominator info"); 7265b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7275b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7285b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 729844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 73058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7313b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7323b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 73304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 73404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 736b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 73754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7381a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 739d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 740d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 741e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 74214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 743e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 744e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 7450af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -- '" << P->getPassName() << "' is not preserving '"; 7460af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << S->getPassName() << "'\n"; 747e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 748e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 749e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 75014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 751fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 752fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 753fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 754fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 755fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 756fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 757fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 758fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 759fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 760fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 761fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 762fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 76397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 76497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 765d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 766fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 767d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 768fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 769fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 770889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 771889739c4d188d28c167644bced9df0f3131317d7Devang Patel 772df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7736b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 7747f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 775f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 776edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7770ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 778693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7790ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7800ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7810ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 782f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 783f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7848fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 7850af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -*- '" << P->getPassName(); 7860af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' is the last user of following pass instances."; 7878fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel cerr << " Free these instances\n"; 7887c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 7897c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 790edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 791f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 7924eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 7944eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 795d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 796d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes releasing memory, remember this. 797d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(*I); 798d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 799d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(*I); 800d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->releaseMemory(); 801d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(*I); 802d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 803617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (const PassInfo *PI = (*I)->getPassInfo()) { 804617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 805617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.find(PI); 806617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 807617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 808617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end()) 809617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 810617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 811617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // Remove all interfaces this pass implements, for which it is also 812617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // listed as the available implementation. 813617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 814617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) { 815617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel Pos = AvailableAnalysis.find(II[i]); 816617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end() && Pos->second == *I) 817617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 818617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 819617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 820f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 821df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 822df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8234045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 824893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 825f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 826145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 827145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 828cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 829145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 830145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 831cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 832cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 833edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 834cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 835f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 836f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 837f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 838f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 839f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 840569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 841f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 842f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 843f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 844f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 845cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 846f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 847f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 848f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 849f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 850f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 851f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 852f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 853f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 854f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 855f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 856f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 857f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 858f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 859f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 860f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 861f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 862f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 863f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 866f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 867f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Unable to accomodate Required Pass"); 868f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 870f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 871f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 873f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 874f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 875f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 876f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 877f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 878f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 879f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 880f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 881f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 8820ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 883f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 884f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 885f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 886f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 887f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 888f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 889893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 890e253385b108cd946b1ac150302f246d3b218be77Devang Patel 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 892f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 893f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 894f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 895f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 896e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 897e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 898e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 899e253385b108cd946b1ac150302f246d3b218be77Devang Patel 900569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 901569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 902569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 903569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 904569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 905569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 906569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9073b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9083b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 909fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 910f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 911569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 912569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 913569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 914f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 915c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 91627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 918fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 91927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 920569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 921569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 922569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 923f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 92427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 925c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 926c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9272f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9282f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9292f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9302f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9312f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 932419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9333b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9343b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 935fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 93869867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9392f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 940f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 941f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 942f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 943cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 944f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 945298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9462f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9472f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9482f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 94969867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 95069867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 95169867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 95269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 95369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 95469867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 95569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 95669867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 95769867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 95869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 95969867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 96069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 96169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 96269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9635b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 96469867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 96569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 966a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 967a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 968a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 969edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 970693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 971693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 972693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 973693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 974693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 975a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 976a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 977edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 978a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 979a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 980a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 981a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 982a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 983a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 984a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 985f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 986a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 987a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 988a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 989a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 990a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 991a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 992a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 993a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 994a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 995a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 996417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 997417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 9986b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 99926426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1000a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1001a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 10027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10037f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 10047f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 10057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 10077d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 10087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 10107f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 10117f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10127f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10157f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 10177d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 10187f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 10207d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 10217f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 10237d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 10247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10257f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 10267d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 10277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10297d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 10307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1034a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1035a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1036d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10370dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10380dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10390dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10400dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10410dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10420dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10430dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10440dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1045d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10460dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10470dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10480dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10490dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10500dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10520dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10530dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10540dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpAnalysisUsage(const char *Msg, const Pass *P, 1055d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10560dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10590dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1060d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1061d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (i) cerr << ","; 1062d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner cerr << " " << Set[i]->getPassName(); 1063d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1064d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner cerr << "\n"; 1065a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1066f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 106719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 106819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 106919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 107019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 107119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 107219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 107319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 107419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 107519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10761cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10771cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10781cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10791cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10801cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10811cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10821cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10831cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10841cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10851cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1086c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 10870af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Unable to schedule '" << RequiredPass->getPassName(); 10880af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' required by '" << P->getPassName() << "'\n"; 1089c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1090f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(0 && "Unable to schedule pass"); 109119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 109219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1093ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1094ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 109578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1096ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1097ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1098ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1099ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1100f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1101f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11021465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11031465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1104f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1105f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1106f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 11076b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 11086b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11096b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11106b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11116b1df0e863963929634d769f39cbce68f030f051Devang Patel 111206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 111455fd43f90913676682487f89f27c756adb827f66Devang Patel 111555fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 111655fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 111755fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1118d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11195cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11201fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11211fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11223b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1123c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 112455fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11251554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11261554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1127017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11286b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 11290dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1130017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11311554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1132693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(BP); 1138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 1139d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(BP); 1140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1141693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 114397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 114497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 11450dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1146693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 114758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11481554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11491554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 11506b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 115155fd43f90913676682487f89f27c756adb827f66Devang Patel } 1152fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11531a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 115455fd43f90913676682487f89f27c756adb827f66Devang Patel} 115555fd43f90913676682487f89f27c756adb827f66Devang Patel 1156964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1157e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1158964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1159964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1160d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1161d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1162964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1163964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1164964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1165964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1166e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1167964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1168964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1169d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1170d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1171964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1172964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1173964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1174964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1175e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1176964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1177964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11781554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11791554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1180964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1183964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1186e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1187964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1188964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11891554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11901554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1191964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1192964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1193964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1194964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1195964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1196964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1197964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 119806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11993162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 120006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1201c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 12023162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 12035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1204dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1205dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1206b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 120759ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1208b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1209b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1210cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1211cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1212cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12133162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 121437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 121537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 121637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1217c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1218c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1219c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1220c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1221c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12223162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1223c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1224c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1225c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1226214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1227214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1228214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1229214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12303162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1231214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1232214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1233a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1234214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1235214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1236c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1237214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1238214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1239214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12403799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12413799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12423162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12433799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12443799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12453799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1246209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12473799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12483162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12493799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12503799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12513799f97d539f6c288d169063e1b335917fafcffbDevang Patel 125206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1255e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1258d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1259d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1264e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1267d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1268d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 12805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 12815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12821336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1283d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1284d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 12855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 12895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1290448d27cd795dc273249f123444509403f4fa4facDevang Patel 12911997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1292ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1293ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1294ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1295ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1296ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1297ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1298ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1299ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1300ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1301ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1302ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1303448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1304448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1305448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1307f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1308f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1309214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1310214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13111fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1312bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1313bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13141fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13151554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13161554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13171554c8545651350569f08dc7370189da1a7e5814Devang Patel 13186b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13190dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1320693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13211554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1323d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1324d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1325d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1326d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1327d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 1328d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1329d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1330693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 13326b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13330dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1334693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 133558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13361554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13371554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 13386b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 13395b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1340844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13415b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1342214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1343214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1344214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1345214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 13475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1349f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1350f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 13515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 13535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1355e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 13563799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13573799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1358d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1359d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 13603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13613799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13623799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13633799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1364e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 13653799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13663799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1367d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1368d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 137306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 137592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 137792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 137892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1382c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 13831554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13841554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 13851554c8545651350569f08dc7370189da1a7e5814Devang Patel 138697cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 138797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13880dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1389693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13901554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 13918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1392d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1393d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1394d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(MP); 1395d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 1396d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1397d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1398693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 140097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 140197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14020dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1403e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 140458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14051554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14061554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14076b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 140892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 140992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 141092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 141192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1412569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1413569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1414569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1415569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1416f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1417f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1418f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1419f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1420f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1421569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1422dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1424dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1425dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1426dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1427dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14290ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1430dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14310ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1432dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1433edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1434dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1435dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1436569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1441f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1442dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1443f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 14440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1445dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1446f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 14470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14490ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 145006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 145106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 145237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1453b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1454b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1456b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 14578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1459c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 146145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14621336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1463d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1464d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1465b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1466b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 146806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 146906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 147006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14723162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1474dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1475dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14783162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 147937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 148037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 148137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 14825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 14835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 14845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 14855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1486f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 14875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1492f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 14935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 14945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 14978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 14988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 14998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1519c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1520c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1521c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1522c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1523c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1524c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1525c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1526c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1527c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1528c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1529c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1530c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 153109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 153209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 153309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 153436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 153509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 153609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 153709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 153809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 153909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 154009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 154109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 154209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 154309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 154409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1545c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1546f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 154709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1548f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1549f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 155097149737f27457b0411e49af3e4539688e29848fDevang Patel 1551f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 155297149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 155397149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 155497149737f27457b0411e49af3e4539688e29848fDevang Patel } 155597149737f27457b0411e49af3e4539688e29848fDevang Patel 155697149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 155797149737f27457b0411e49af3e4539688e29848fDevang Patel} 155809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 155997149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 156097149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1561f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1562f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1563f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1564f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 156597149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1566fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 156709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 156809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 157009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1571be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1572bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 157309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 157409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 157544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 157644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 157744b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 157844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 157909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 15806b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 15816b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 158209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1583bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 158444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 158509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 158609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15879d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 15889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1589be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1590bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 159109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 15920938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 159309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 15946b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 15956b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 159609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 15979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 159809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 15999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 160009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 160597149737f27457b0411e49af3e4539688e29848fDevang Patel 16069d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16079d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1608bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 160997149737f27457b0411e49af3e4539688e29848fDevang Patel 16109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 161397149737f27457b0411e49af3e4539688e29848fDevang Patel 16149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16160938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 162109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 162409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 162509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1628be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1629bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 163009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 163109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 163297149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 163397149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1634fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 163509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 163609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 165197149737f27457b0411e49af3e4539688e29848fDevang Patel 165297149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 165397149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 165459ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1655531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 165909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 166209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 166309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1664580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1665d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1666d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1667d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1668d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1669d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1670d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1671d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1672d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1673d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1674d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1675d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1676d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1677d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1678d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1679d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1680d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1681d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1682d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1683d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1684d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1685d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1686d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1687d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1688d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1689d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1690d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1691d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1692d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1693d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1694d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1695