PassManager.cpp revision 9f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754
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" 18c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 1955fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 203799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 21ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 23d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 24f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 25e3cd5ca7e79f4359e8a101c211fc9c117eb62347Owen Anderson#include "llvm/System/Threading.h" 26d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 27ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 284520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 29b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 302bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 31c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 32ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 4926426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 52e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 53e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 5845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 5945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 609554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 619554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 629554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 639554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 649554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 659554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 669554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 679554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 689554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 69d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 70d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 71d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 72d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 73d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 74d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 75d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 76d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 77d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 78d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 79d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 80d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 81d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 82d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 83d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 84d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 85d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 86ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 87d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 88ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 89d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 90ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 91d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 92ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 93ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 94ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 95ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 96ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 97d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 98d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 99d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 100c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1023f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1047e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 106c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 107c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1086726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 109c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 110c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1111997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 112cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 113ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 114c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 115c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 117c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 118c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 11966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 12066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 12166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 12266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 12366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 124964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 125964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 126964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 127964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 128964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 129e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1309769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 131e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 132e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 133ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 134ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 13593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1361554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1371554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1381554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1391554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 140ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 141ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1421554c8545651350569f08dc7370189da1a7e5814Devang Patel 1431554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 144f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1451554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1461554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1471554c8545651350569f08dc7370189da1a7e5814Devang Patel } 14825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 14984da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 15025919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 15125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 152c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 153c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1541997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 155ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1561554c8545651350569f08dc7370189da1a7e5814Devang Patel 157ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 16436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 16536bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1661970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 1671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1691997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 170cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 171ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 1721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin PMTopLevelManager(TLM_Function), wasRun(false) { } 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1821970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 1831970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 1841970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 1851970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 1865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 194209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 2045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 2065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 209cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 214a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 215a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 217a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 221f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 225c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 226c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2271997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2287e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2307e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 232b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 233b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 235c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2361997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 237cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 238ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 239693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 240693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 241693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 242dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 243693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 244693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 245dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 246693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 247693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 248693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 249693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 250c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 251c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 252c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 253be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 25466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 25566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 25666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 25766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 25866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 259569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 260569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 261569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 262569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 263569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2650ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 269e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 270e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 271e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 272e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 273ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 274ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 27593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2761554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2771554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2781554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 27982c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 28082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 28182c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 28282c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 2831554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 284ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 285ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 286ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2871554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 288f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 289f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 2901554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2911554c8545651350569f08dc7370189da1a7e5814Devang Patel 29284da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 29384da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 29484da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2950ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2960ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2970ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 299dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 300c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 301c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3021997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3037e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3057e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 306794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 30936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 31036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3131997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 314cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 315ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 316f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 321877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 322e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 323877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 32966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 33066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 33166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 33266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 33366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 334eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 335c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 336145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 337145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 338145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 339cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 340145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 341689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 342c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 343689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 344a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 345a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 346145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 347eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 348eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 350f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 3515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3561997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 360b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 362d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 363d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 364d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 365d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 366f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 3673c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 368f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 3696726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 370c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 371c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 372c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 373c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 374c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 375c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 376c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 377c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 378c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 379c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 387c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 388c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 3895c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman /// passStarted - This method creates a timer for the given pass if it doesn't 3905c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman /// already have one, and starts the timer. 3915c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *passStarted(Pass *P) { 392c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 3935c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 394c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 395a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 396c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 397c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 398c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 3995c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = &I->second; 4005c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman T->startTimer(); 4015c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return T; 402c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 403c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 404c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 405c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 407844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 408844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 40906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4128f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 413d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4148f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4178f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4188f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 419d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4208f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4218f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4228f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4238f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4248f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4258f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4268f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 428edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 430edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 434d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 435d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 436d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 437d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 440721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 443721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 444721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 451edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 452721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 453721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 454721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 455721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 456721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 457721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 458721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 459721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 460721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 461721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 462721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 463721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4663b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4673b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4683b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4693b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4703b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4713b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4723b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4733b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4743b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4753b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4763b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4773b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 48722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 48822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 48922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4901cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4911cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4921cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 493c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 494641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 495641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 496c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 497641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 4981cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4993b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 501488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 502488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 503488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 504488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 505488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 506488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 507488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 508488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 509488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 510488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 511488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 512488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 513488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 514488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 515488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 516488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 517488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 518488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 519488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 520488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 521488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 522488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 523488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 524488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 525488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 526488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 527488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 528488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 542d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 54378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 544d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5450961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 546d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 547d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 548d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 549d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 550f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 551f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 552d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 553d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 554d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 55578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 56397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 56497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5651a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5661a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 573ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 574a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 575ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 57626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 579ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 580ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 581ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 582ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 583ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5840961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5850961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5860961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5870961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 58878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 589ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5900961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 591ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 592ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 593a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 594c32cf54101ecaf336d161fecd58667870149169cDevang Patel 59526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 596c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 597c32cf54101ecaf336d161fecd58667870149169cDevang Patel 59893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass Arguments: "; 59978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 600d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 601d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 60293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "\n"; 603c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 604c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6051336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 60678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 607d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 608d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 6091336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6101336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 61178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6121336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6131336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 614721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 615f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 616721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 617721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 618721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 619721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 620721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 621721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 622721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 623721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 624721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 625721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 626721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6271336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6281336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 629ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 630ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 63178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 632ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 633ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 634ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 63578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 636ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 637ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6383b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6393b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 640f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 641f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 642ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 643ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 645419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 646889739c4d188d28c167644bced9df0f3131317d7Devang Patel 647b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 648f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 649f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 650f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 651f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 652f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 653b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 654f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 655f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 656f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 657f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 658f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 659b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 660b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6617b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6627b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6637b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6667b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6677b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6683b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 66978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6707b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 67297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 67397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 67497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 675d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 676d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 682e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 68358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 684e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 685e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 686e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 687e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6883b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 69014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6919750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 692fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 69358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 69458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 6959450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 6965b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6979450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman Timer *T = 0; 6989450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (TheTimeInfo) T = TheTimeInfo->passStarted(AP); 6999450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 7009450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (T) T->stopTimer(); 7019450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 7025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7035b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7045b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 705844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 70658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7073b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7083b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 70904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 71004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7113b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 712b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 71354e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7141a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 715d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 716d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 717e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 71814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 719e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 720e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 72193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -- '" << P->getPassName() << "' is not preserving '"; 72293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << S->getPassName() << "'\n"; 723e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 724e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 725e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 72614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 727fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 728fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 729fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 730fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 731fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 732fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 733fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 734fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 735fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 736fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 737fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 738fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 73997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 74097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 741d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 742fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 743d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 744fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 745fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 746889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 747889739c4d188d28c167644bced9df0f3131317d7Devang Patel 748df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7492928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 7507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 751f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 752edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 754693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7550ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 758f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 759f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7608fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 76193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -*- '" << P->getPassName(); 76293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' is the last user of following pass instances."; 76393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " Free these instances\n"; 7647c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 7657c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 766edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 76727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 76827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 76927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 7704eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7712928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 77227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 77327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 7744eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 77527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 77627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 77727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 77827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman 7795c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(P); 78027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 7815c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(P, T); 78227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 783617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 78427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (const PassInfo *PI = P->getPassInfo()) { 78527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 78627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 787617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 78827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 78927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 79027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 79127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman for (unsigned i = 0, e = II.size(); i != e; ++i) { 79227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 79327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.find(II[i]); 79427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 79527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 796617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 797f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 798df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 799df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8004045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 801893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 802f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 803145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 804145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 805cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 806145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 807145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 808cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 809cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 810edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 811cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 812f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 813f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 814f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 815f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 816f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 817569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 818f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 819f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 820f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 821f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 822cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 823f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 824f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 825f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 826f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 827f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 828f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 829f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 830f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 831f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 832f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 833f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 834f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 835f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 836f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 837f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 838f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 839f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 840f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 841f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 842f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 843f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 844c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 845f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 846f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 847f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 848f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 849f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 850f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 851f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 852f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 853f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 854f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 855f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 856f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 857f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 858f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 8590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 860f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 861f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 862f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 863f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 866893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 867e253385b108cd946b1ac150302f246d3b218be77Devang Patel 868f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 870f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 871f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 873e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 874e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 875e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 876e253385b108cd946b1ac150302f246d3b218be77Devang Patel 877569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 878569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 879569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 880569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 881569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 882569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 883569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 8843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8853b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 886fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 887f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 888569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 889569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 890569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 892c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 89327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 8943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 895fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 89627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 897569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 898569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 899569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 900f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 90127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 902c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 903c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9082f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 909419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9103b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9113b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 912fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9133b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9143b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 91569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9162f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 917f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 918f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 919f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 920cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 921f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 922298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9232f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9242f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9252f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 92669867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 92769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 92869867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 92969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 93169867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 93269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 93469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 93569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 93769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 93869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 93969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9405b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 94169867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 94269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 943a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 944a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 945a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 946edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 947693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 948693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 949693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 950693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 951693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 952a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 953a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 954edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 955a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 95693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << "--" << std::string(Offset*2, ' '); 957a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 958a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 959a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 960a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 961a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 962f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 963a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 964a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 965a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 966a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 967a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 968a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 96993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -" << PI->getPassArgument(); 970a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 971a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 972a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 973417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 974417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 9752928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 97626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 977a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 97893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << (void*)this << std::string(getDepth()*2+1, ' '); 9797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 9807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 98193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Executing Pass '" << P->getPassName(); 9827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9837f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 98493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Made Modification '" << P->getPassName(); 9857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 98793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " Freeing Pass '" << P->getPassName(); 9887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 9907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 9927f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 9937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 99493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on BasicBlock '" << Msg << "'...\n"; 9957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 99793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on Function '" << Msg << "'...\n"; 9987f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 100093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on Module '" << Msg << "'...\n"; 10017f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1003745c9be986bce1fb99fdbad6b9ae1307586c04a2Chris Lattner errs() << "' on Loop '" << Msg << "'...\n"; 10047f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10069554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 10077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10107f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1011a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1012a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1013d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10140dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10150dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10160dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10170dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10180dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10190dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10210dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1022d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10230dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10270dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10280dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10290dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10300dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10312928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1032d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10330dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10340dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10350dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 103693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1037d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 10389554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner if (i) errs() << ','; 10399554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << ' ' << Set[i]->getPassName(); 1040d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 10419554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << '\n'; 1042a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1043f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 104419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 104519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 104619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 104719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 104819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 104919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 105019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 105119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 105219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10531cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10541cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10551cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10561cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10571cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10581cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10591cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10601cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10611cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10621cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1063c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 106493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Unable to schedule '" << RequiredPass->getPassName(); 106593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' required by '" << P->getPassName() << "'\n"; 1066c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1067c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 106819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 106919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1070ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1071ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 107278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1073ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1074ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1075ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1076ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1077f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1078f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 10791465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 10801465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1081f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1082f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1083f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 10846b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 10856b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 10866b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 10876b1df0e863963929634d769f39cbce68f030f051Devang Patel} 10886b1df0e863963929634d769f39cbce68f030f051Devang Patel 108906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 109155fd43f90913676682487f89f27c756adb827f66Devang Patel 109255fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 109355fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 109455fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1095d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 10965cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 10971fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10981fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10993b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1100c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 110155fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11021554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11031554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1104017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 110593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 11060dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1107017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11081554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1109693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1110d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1111d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1112d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1113d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 11145c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(BP); 1115d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 11165c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(BP, T); 1117d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1118693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 112097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 112193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 11220dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1123693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 112458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11251554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11261554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 112793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 112855fd43f90913676682487f89f27c756adb827f66Devang Patel } 1129fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11301a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 113155fd43f90913676682487f89f27c756adb827f66Devang Patel} 113255fd43f90913676682487f89f27c756adb827f66Devang Patel 1133964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1134e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1135964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1136964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1139964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1140964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1141964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1142964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1143e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1144964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1145964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1146d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1147d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1148964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1149964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1150964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1151964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1152e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1153964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1154964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11551554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11561554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1157964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1158964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1159964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1160964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1161964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1162964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1163e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1164964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1165964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11661554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11671554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1168964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1169964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1170964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1171964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1172964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1173964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1174964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 117506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11763162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 117706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1178c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 11793162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 11805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1181dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1182dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1183b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 118459ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1185b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1186b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1187cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1188cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1189cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 11903162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 119137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 119237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 119337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1194c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1195c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1196c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1197c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1198c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 11993162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1200c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1201c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1202c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1203214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1204214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1205214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1206214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12073162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1208214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1209214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1210ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin llvm_report_error("Error reading bitcode file: " + errstr); 1211214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1212c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1213214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1214214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1215214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12163799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12173799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12183162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12193799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12203799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12213799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1222209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12233799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12243162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12253799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12263799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12273799f97d539f6c288d169063e1b335917fafcffbDevang Patel 122806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1231e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12349f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 12359f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 12369f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1237d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1238d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1243e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1246d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1247d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12529dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 12539dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 12549dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12559dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 12569dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 12579dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 12589dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 12599dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 12609dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 12619dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12621970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 12631970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 12641970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 12651970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12661970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 12671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 12681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 12691970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 12701970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 12716c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 12721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 12731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 12745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12801336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1281d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1282d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 12839dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12849dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 12859dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 12869dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 12871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 12885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 12925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1293448d27cd795dc273249f123444509403f4fa4facDevang Patel 12941997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1295ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1296ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 129793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1298ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1299ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1300ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1301ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1302ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1303ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1304ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1305ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1306448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1307448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1308448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1310f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1311f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1312214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1313214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13141fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1315bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1316bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13171fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13181554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13191554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13201554c8545651350569f08dc7370189da1a7e5814Devang Patel 132193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 13220dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1323693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13241554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1326d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1327d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1328d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 13295c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(FP); 1330d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 13315c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(FP, T); 1332d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1333693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 133593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 13360dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1337693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 133858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13391554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13401554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 134193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1342214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1343214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1344214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1345214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 13475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1349f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1350f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 13515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 13535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1355e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 13563799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13573799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1358d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1359d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 13603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13613799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13623799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13633799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1364e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 13653799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13663799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1367d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1368d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 137306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 137592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 137792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 137892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1382c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 13831970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 13841970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 13851970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 13861970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 13871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 13881970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 13891970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13901970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13911554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13921554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 13931554c8545651350569f08dc7370189da1a7e5814Devang Patel 139497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 139597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13960dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1397693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13981554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 13998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1400d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1401d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 14025c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(MP); 1403d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 14045c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(MP, T); 1405d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1406693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 140897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 140997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1411e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 141258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14131554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14141554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14156b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 141692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 14171970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 14191970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14201970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14211970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14221970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14231970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 14241970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 14251970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 14261970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 14271970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 142892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 142992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 143092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1431569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1432569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1433569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1434569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1435f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1436f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1437f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1438f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1439f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1440569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1441dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1443dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1444dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1445dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1446dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1449dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1451dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1452edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1453dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1454dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1455569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1460f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1461dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1462f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 14630ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14641970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1465dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1466f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 14670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 147006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 147106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 147237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1473b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1474b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1476b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 14778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1479c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 148145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14821336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1483d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1484d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1485b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1486b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 148806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 148906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 149006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14923162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1494dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1495dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14983162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 149937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 150037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 150137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 15035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 15045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 15055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1506f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 15075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 15085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 15115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1512f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 15135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 15145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 15178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 15188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 15198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15368e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15388e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1539c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 15405c12adaa8b92800d835ddd5c97723c6eb5628b5bDan GohmanTimer *llvm::StartPassTimer(Pass *P) { 1541c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 15425c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return TheTimeInfo->passStarted(P); 15435c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1544c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1545c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1546c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 15475c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohmanvoid llvm::StopPassTimer(Pass *P, Timer *T) { 15485c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman if (T) T->stopTimer(); 1549c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1550c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 155109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 155209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 155309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 155436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 155509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 155609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 155709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 155809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 155909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 156009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 156209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 156309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 156409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1565c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1566f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 156709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1568f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1569f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 157097149737f27457b0411e49af3e4539688e29848fDevang Patel 1571f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 157297149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 157397149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 157497149737f27457b0411e49af3e4539688e29848fDevang Patel } 157597149737f27457b0411e49af3e4539688e29848fDevang Patel 157697149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 157797149737f27457b0411e49af3e4539688e29848fDevang Patel} 157809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 157997149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 158097149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1581f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1582f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1583f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1584f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 158597149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1586fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 158709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 158809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 158909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 159009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1591be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1592bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 159309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 159409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 159544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 159644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 159744b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 159844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 159909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 16006b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 16016b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 160209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1603bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 160444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 160509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 160609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16079d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 16089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1609be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1610bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 161109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16120938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 161309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 16146b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 16156b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 161609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 16179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 161809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 16199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 162009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 162597149737f27457b0411e49af3e4539688e29848fDevang Patel 16269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1628bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 162997149737f27457b0411e49af3e4539688e29848fDevang Patel 16309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 163397149737f27457b0411e49af3e4539688e29848fDevang Patel 16349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16360938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 164109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 164409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 164509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1648be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1649bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 165009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 165109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 165297149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 165397149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1654fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 165509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 165609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16599d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 167197149737f27457b0411e49af3e4539688e29848fDevang Patel 167297149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 167397149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 167459ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1675531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 167909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 168209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 168309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1684580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1685d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1686d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1687d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1688d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1689d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1690d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1691d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1692d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1693d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1694d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1695d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1696d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1697d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1698d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1699d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1700d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1701d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1702d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1703d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1704d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1705d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1706d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1707d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1708d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1709d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1710d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1711d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1712d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1713d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1714d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1715