PassManager.cpp revision 5e664b8f7c5ba877058a3a1cdfcce8e6b7388a6a
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" 169450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 1745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 18170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 19c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2055fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 213799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 22ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 24d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 25f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 26e3cd5ca7e79f4359e8a101c211fc9c117eb62347Owen Anderson#include "llvm/System/Threading.h" 27d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 28ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 294520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 30b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 312bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 32c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 33ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5026426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 53e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 619554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 629554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 639554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 649554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 659554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 669554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 679554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 689554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 699554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 70d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 71d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 72d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 73d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 74d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 75d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 76d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 77d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 78d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 79d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 80d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 81d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 82d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 83d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 84d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 85d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 86d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 87ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 88d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 89ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 90d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 91ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 92d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 93ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 94ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 95ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 96ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 97ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 98d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 99d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 100d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 101c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1033f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1057e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 107c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 108c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1096726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 110c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 111c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1121997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 113cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 114ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 115c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 117c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 118c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 119c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 12066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 12166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 12266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 12366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 12466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 125964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 126964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 127964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 128964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 129964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 130e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1319769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 132e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 133e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 134ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 135ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 136170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1371554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1381554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1391554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1401554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 141ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 142ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1431554c8545651350569f08dc7370189da1a7e5814Devang Patel 1441554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 145f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1461554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1471554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1481554c8545651350569f08dc7370189da1a7e5814Devang Patel } 14925919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 15084da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 15125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 15225919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 153c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 154c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1551997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 156ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1571554c8545651350569f08dc7370189da1a7e5814Devang Patel 158ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 16536bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 16636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 1681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1701997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 171cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 172ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 1731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin PMTopLevelManager(TLM_Function), wasRun(false) { } 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1831970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 1841970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 1851970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 1861970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 195209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 2055e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 2065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 208cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 213a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 214a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 216a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 220f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 224c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 225c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2261997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2277e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2297e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 231b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 232b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 234c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2351997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 236cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 237ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 238693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 239693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 240693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 241dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 242693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 243693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 244dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 245693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 246693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 247693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 248693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 249c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 250c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 251c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 252be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 25366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 25466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 25566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 25666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 25766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 258569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 259569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 260569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 261569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 262569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2630ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2650ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 268e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 269e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 270e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 271e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 272ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 273ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 274170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2751554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2761554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2771554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 27882c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 27982c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 28082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 28182c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 2821554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 283ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 284ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 285ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2861554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 287f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 288f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 2891554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2901554c8545651350569f08dc7370189da1a7e5814Devang Patel 29184da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 29284da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 29384da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2940ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2950ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2960ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2970ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 298dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 299c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 300c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3011997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3027e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3047e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 305794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 30836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 30936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3121997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 313cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 314ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 315f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 320877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 321e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 322877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 32866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 33066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 33166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 33266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 333eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 3345e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 335145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 336145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 337cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 338145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 339689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 340c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 341689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 342a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 343a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 344145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 345eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 346eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 348f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 3495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3541997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 358b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 360d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 361d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 362d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 363d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 364f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 3653c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 366f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 3676726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 369c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 370c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 371c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 372c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 373c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 374c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 375c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 3875c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman /// passStarted - This method creates a timer for the given pass if it doesn't 3885c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman /// already have one, and starts the timer. 3895c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *passStarted(Pass *P) { 390c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 3915c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 392c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 393a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 394c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 395c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 396c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 3975c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = &I->second; 3985c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman T->startTimer(); 3995c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return T; 400c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 401c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 402c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 403c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 404c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 405844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 406844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 40706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4108f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 411d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4128f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4138f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4148f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 417d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4188f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4198f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4208f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4218f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4228f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4238f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4248f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 426edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 428edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 432d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 433d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 434d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 435d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 438721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 441721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 442721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 449edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 450721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 451721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 452721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 453721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 454721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 455721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 456721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 457721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 458721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 459721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 460721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 461721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4643b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4673b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4683b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4693b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4703b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4713b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4723b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4733b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4743b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4753b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4763b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4829d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 48522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 48622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 48722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4881cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4891cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4901cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 491c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 492641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 493641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 494c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 495641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 4961cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4973b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 4983b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 499488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 500488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 501488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 502488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 503488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 504488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 505488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 506488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 507488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 508488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 509488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 510488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 511488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 512488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 513488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 514488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 515488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 516488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 517488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 518488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 519488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 520488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 521488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 522488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 523488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 524488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 525488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 526488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 540d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 54178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 542d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5430961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 544d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 545d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 546d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 547d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 548f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 549f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 550d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 551d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 552d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 55378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 56197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 56297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5631a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5641a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 571ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 572a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 573ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 57426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 577ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 578ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 579ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 580ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 581ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5820961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5830961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5840961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5850961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 58678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 587ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5880961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 589ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 590ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 591a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 592c32cf54101ecaf336d161fecd58667870149169cDevang Patel 59326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 594c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 595c32cf54101ecaf336d161fecd58667870149169cDevang Patel 596170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 59778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 598d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 599d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 600170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 601c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 602c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6031336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 60478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 605d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 606d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 6071336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6081336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 60978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6101336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6111336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 612721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 613f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 614721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 615721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 616721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 617721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 618721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 619721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 620721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 621721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 622721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 623721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 624721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6251336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 627ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 628ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 62978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 630ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 631ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 632ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 63378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 634ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 635ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 638f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 639f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 640ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 641ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 643419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 644889739c4d188d28c167644bced9df0f3131317d7Devang Patel 645b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 646f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 647f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 648f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 649f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 650f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 651b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 652f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 653f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 654f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 655f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 656f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 657b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 658b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6597b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6607b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6617b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6633b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6647b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6657b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 66778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6697b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 6705e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 67197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 67297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 673d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 674d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6757b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6767b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 680e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 68158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 682e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 683e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 684e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 685e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6863b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6873b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 68814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6899750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 690fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 69158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 69258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 6939450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 6945b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6959450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman Timer *T = 0; 6969450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (TheTimeInfo) T = TheTimeInfo->passStarted(AP); 6979450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 6989450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (T) T->stopTimer(); 6999450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 7005b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7015b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 703844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 70458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7053b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7063b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 70704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 70804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7093b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 710b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 71154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7121a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 7135e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 7145e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 715e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 71614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 717e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 718e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 719170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 720170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 721e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 722e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 723e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 72414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 725fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 726fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 727fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 728fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 729fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 730fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 731fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 732fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 733fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 734fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 735fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 736fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 7375e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 73897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 7391f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 740fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 7411f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 7421f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 743170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 744170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 7451f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 746d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 7471f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 748fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 749fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 750889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 751889739c4d188d28c167644bced9df0f3131317d7Devang Patel 752df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7532928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 7547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 755f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 756edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 758693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7600ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7610ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 762f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 763f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7648fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 765170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 766170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 767170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 7687c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 7697c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 770edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 77127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 77227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 77327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 7744eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7752928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 77627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 77727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 7784eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 77927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 78027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 78127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 78227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman 7835c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(P); 78427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 7855c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(P, T); 78627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 787617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 78827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (const PassInfo *PI = P->getPassInfo()) { 78927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 79027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 791617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 79227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 79327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 79427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 79527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman for (unsigned i = 0, e = II.size(); i != e; ++i) { 79627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 79727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.find(II[i]); 79827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 79927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 800617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 801f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 802df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 803df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8044045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 805893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 806f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 807145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 808145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 809cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 810145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 811145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 812cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 813cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 814edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 815cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 816f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 817f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 818f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 819f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 820f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 821569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 822f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 823f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 824f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 825f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 826cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 827f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 828f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 829f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 830f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 831f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 832f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 833f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 834f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 835f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 836f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 837f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 838f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 839f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 840f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 841f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 842f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 843f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 844f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 845f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 846f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 847f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 848c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 849f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 850f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 851f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 852f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 853f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 854f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 855f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 856f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 857f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 858f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 859f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 860f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 861f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 862f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 8630ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 866f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 867f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 868f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 870893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 871e253385b108cd946b1ac150302f246d3b218be77Devang Patel 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 873f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 874f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 875f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 876f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 877e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 878e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 879e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 880e253385b108cd946b1ac150302f246d3b218be77Devang Patel 881569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 882569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 883569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 884569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 885569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 886569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 887569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 8883b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 890fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 892569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 893569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 894569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 895f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 896c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 89727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 8983b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 899fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 90027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 901569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 902569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 903569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 904f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 90527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 906c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 907c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9082f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9092f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9102f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 913419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9143b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9153b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 916fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 91969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9202f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 921f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 922f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 923f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 924cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 925f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 926298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9272f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9282f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9292f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 93069867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 93169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 93269867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 93369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93469867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 93569867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 93669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 93869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 93969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 94069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 94169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 94269867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 94369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9445b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 94569867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 94669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 947a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 948a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 949a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 950edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 951693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 952693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 953693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 954693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 955693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 956a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 957a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 958edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 959a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 960170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 961a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 962a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 963a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 964a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 965a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 967a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 968a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 969a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 970a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 971a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 972a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 973170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 974a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 975a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 976a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 977417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 978417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 9792928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 98026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 981a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 982170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 9837f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 9847f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 985170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 9867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9877f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 988170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 9897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 991170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 9927f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 9947f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 9967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 9977f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 998170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 9997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10007f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1001170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 10027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10037f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1004170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 10057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1007170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 10087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1010170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 10117f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10127f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1015a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1016a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1017d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10180dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10190dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10210dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10220dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10230dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1026d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10270dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10280dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10290dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10300dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10310dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10320dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10330dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10340dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10352928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1036d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10370dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10380dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10390dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1040170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1041d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1042170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 1043170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << ' ' << Set[i]->getPassName(); 1044d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1045170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1046a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1047f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 104819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 104919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 105019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 105119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 105219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 105319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 105419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 105519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 105619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10571cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10581cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10591cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10601cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10611cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10621cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10631cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10641cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10651cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10661cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1067c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1068170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1069170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1070c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1071c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 107219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 107319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1074ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1075ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 107678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1077ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1078ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1079ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1080ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1081f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1082f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 10831465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 10841465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1085f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1086f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1087f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 10886b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 10896b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 10906b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 10916b1df0e863963929634d769f39cbce68f030f051Devang Patel} 10926b1df0e863963929634d769f39cbce68f030f051Devang Patel 109306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 109555fd43f90913676682487f89f27c756adb827f66Devang Patel 109655fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 109755fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 109855fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1099d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11005cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11011fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11021fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11033b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1104c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 110555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11061554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11071554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1108017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 110993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 11100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1111017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11121554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1113693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1114d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1115d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1116d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1117d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 11185c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(BP); 1119d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 11205c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(BP, T); 1121d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1122693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11237f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 112497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 112593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 11260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1127693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 112858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11291554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11301554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 113193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 113255fd43f90913676682487f89f27c756adb827f66Devang Patel } 1133fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 113447eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 113555fd43f90913676682487f89f27c756adb827f66Devang Patel} 113655fd43f90913676682487f89f27c756adb827f66Devang Patel 1137964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1138e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1139964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1140964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1141d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1142d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1143964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1144964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1145964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1146964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1147e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1148964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1149964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1150d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1151d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1152964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1153964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1154964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1155964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1156e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1157964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1158964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11591554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11601554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1161964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1162964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1163964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1164964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1165964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1166964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1167e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1168964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1169964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11701554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11711554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1172964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1173964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1174964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1175964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1176964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1177964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 117906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11803162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 118106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1182c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 11833162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 11845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1185dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1186dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1187b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 118859ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1189b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1190b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1191cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1192cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1193cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 11943162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 119537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 119637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 119737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1198c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1199c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1200c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1201c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1202c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12033162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1204c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1205c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1206c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1207214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1208214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1209214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1210214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12113162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1212214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1213214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1214ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin llvm_report_error("Error reading bitcode file: " + errstr); 1215214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1216c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1217214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1218214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1219214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12203799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12213799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12223162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12233799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12243799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12253799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1226209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12273799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12283162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12293799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12303799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12313799f97d539f6c288d169063e1b335917fafcffbDevang Patel 123206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1235e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12389f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 12399f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 12409f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1241d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1242d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1247e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1250d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1251d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12569dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 12579dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 12589dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12599dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 12609dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 12619dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 12629dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 12639dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 12649dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 12659dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12661970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 12671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 12681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 12691970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12701970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 12711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 12721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 12731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 12741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 12756c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 12761970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 12771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 12785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12841336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1285d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1286d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 12879dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12889dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 12899dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 12909dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12911970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 12925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 12965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1297448d27cd795dc273249f123444509403f4fa4facDevang Patel 12981997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1299ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1300ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1301170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1302ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1303ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1304ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1305ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1306ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1307ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1308ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1309ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1310448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1311448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1312448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1314f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1315f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1316214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1317214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13181fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1319bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1320bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13211fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13221554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13231554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13241554c8545651350569f08dc7370189da1a7e5814Devang Patel 132593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 13260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1327693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13281554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1330d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1331d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1332d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 13335c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(FP); 1334d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 13355c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(FP, T); 1336d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1337693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 133993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 13400dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1341693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 134258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13431554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13441554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 134593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1346214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1347214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1348214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1349214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 13515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1353f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1354f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 13555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 135647eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 13575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1359e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 13603799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13613799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1362d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1363d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 13643799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13653799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13663799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13673799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1368e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1371d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1372d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 13733799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13743799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13753799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13763799f97d539f6c288d169063e1b335917fafcffbDevang Patel 137706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 138092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 138292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 138392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 138592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1386c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 13871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 13881970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 13891970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 13901970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 13911970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 13921970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 13931970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13941970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13951554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13961554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 13971554c8545651350569f08dc7370189da1a7e5814Devang Patel 139869cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 13990dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1400693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14011554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 14028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1403d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1404d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 14055c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(MP); 1406d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 14075c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(MP, T); 1408d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1409693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14107f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 141197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 141269cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 14130dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1414e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 141558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14161554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14171554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 141869cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 141992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 14201970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14211970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 14221970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14231970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14241970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14251970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14261970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 14271970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 14281970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 14291970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 14301970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 143192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 143292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 143392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1434569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1435569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1436569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1437569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1438f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1439f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1440f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1441f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1442f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1443569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1444dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1446dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1447dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1448dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1449dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1452dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1454dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1455edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1456dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1457dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1458569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14600ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14610ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14620ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1463f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1464dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1465f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 14660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1468dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1469f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 14700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14710ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 147306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 147406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 147537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1476b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1477b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1479b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 14808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1482c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 148445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14851336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1486d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1487d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1488b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1489b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 149106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 149206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 149306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14953162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1497dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1498dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15013162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 150237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 150337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 150437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 15065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 15075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 15085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1509f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 15105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 15115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 15145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1515f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 15165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 15175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 15208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 15218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 15228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15368e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15388e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15418e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1542c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 15435c12adaa8b92800d835ddd5c97723c6eb5628b5bDan GohmanTimer *llvm::StartPassTimer(Pass *P) { 1544c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 15455c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return TheTimeInfo->passStarted(P); 15465c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1547c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1548c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1549c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 15505c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohmanvoid llvm::StopPassTimer(Pass *P, Timer *T) { 15515c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman if (T) T->stopTimer(); 1552c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1553c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 155409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 155509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 155609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 155736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 155809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 155909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 156009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 156209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 156309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 156509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 156609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1568c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1569f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 157009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1571f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1572f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 157397149737f27457b0411e49af3e4539688e29848fDevang Patel 1574f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 157597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 157697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 157797149737f27457b0411e49af3e4539688e29848fDevang Patel } 157897149737f27457b0411e49af3e4539688e29848fDevang Patel 157997149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 158097149737f27457b0411e49af3e4539688e29848fDevang Patel} 158109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 158297149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 158397149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1584f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1585f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1586f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1587f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 158897149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1589fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 159009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 159109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 159209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 159309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1594be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1595bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 159609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 159709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 159844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 159944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 160044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 160144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 160209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 16036b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 16046b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 160509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1606bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 160744b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 160809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 160909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 16119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1612be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1613bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 161409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16150938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 161609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 16176b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 16186b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 161909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 16209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 162109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 16229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 162309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16259d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 162897149737f27457b0411e49af3e4539688e29848fDevang Patel 16299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1631bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 163297149737f27457b0411e49af3e4539688e29848fDevang Patel 16339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 163697149737f27457b0411e49af3e4539688e29848fDevang Patel 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16390938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 164409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 164709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 164809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1651be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1652bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 165309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 165409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 165597149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 165697149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1657fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 165809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 165909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 167497149737f27457b0411e49af3e4539688e29848fDevang Patel 167597149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 167697149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 167759ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1678531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 168209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 168509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 168609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1687580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1688d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1689d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1690d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1691d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1692d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1693d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1694d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1695d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1696d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1697d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1698d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1699d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1700d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1701d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1702d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1703d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1704d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1705d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1706d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1707d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1708d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1709d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1710d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1711d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1712d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1713d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1714d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1715d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1716d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1717d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1718