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// 1095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 164afefdec65f198fad803fa8f9f994663488dd608Dan Gohman#include "llvm/PassManager.h" 175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Assembly/PrintModulePass.h" 189450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 1945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 20170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 21c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2255fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 23ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 255c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Support/PassNameParser.h" 26d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 271f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/Mutex.h" 28ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 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)); 585c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 595c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenetypedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser> 605c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePassOptionList; 615c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 625c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene// Print IR out before/after specified passes. 635c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 645c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBefore("print-before", 65f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher llvm::cl::desc("Print IR before specified passes"), 66f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher cl::Hidden); 675c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 685c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 695c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfter("print-after", 70f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher llvm::cl::desc("Print IR after specified passes"), 71f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher cl::Hidden); 725c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 735c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 745c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBeforeAll("print-before-all", 755c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before each pass"), 765c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 775c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 785c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfterAll("print-after-all", 795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after each pass"), 805c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 815c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 825c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a helper to determine whether to print IR before or 835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after a pass. 845c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 8511e43291540db9d885b736cbd652558faab80955Andrew Trickstatic bool ShouldPrintBeforeOrAfterPass(const PassInfo *PI, 865c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene PassOptionList &PassesToPrint) { 8711e43291540db9d885b736cbd652558faab80955Andrew Trick for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) { 8811e43291540db9d885b736cbd652558faab80955Andrew Trick const llvm::PassInfo *PassInf = PassesToPrint[i]; 8911e43291540db9d885b736cbd652558faab80955Andrew Trick if (PassInf) 9011e43291540db9d885b736cbd652558faab80955Andrew Trick if (PassInf->getPassArgument() == PI->getPassArgument()) { 9111e43291540db9d885b736cbd652558faab80955Andrew Trick return true; 9211e43291540db9d885b736cbd652558faab80955Andrew Trick } 935c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 945c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return false; 955c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 9695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 975c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 985c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// before it. 9911e43291540db9d885b736cbd652558faab80955Andrew Trickstatic bool ShouldPrintBeforePass(const PassInfo *PI) { 10011e43291540db9d885b736cbd652558faab80955Andrew Trick return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(PI, PrintBefore); 1015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after it. 10511e43291540db9d885b736cbd652558faab80955Andrew Trickstatic bool ShouldPrintAfterPass(const PassInfo *PI) { 10611e43291540db9d885b736cbd652558faab80955Andrew Trick return PrintAfterAll || ShouldPrintBeforeOrAfterPass(PI, PrintAfter); 1075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 10945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1119554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 1129554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 1139554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 1149554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 1159554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 1169554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1179554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1189554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1199554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 120d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 121d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 122d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 123d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 124d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 12595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 126d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 12795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 128d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 130d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 131d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 132d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 137ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 139ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 141ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 142d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 143ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 144ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 145ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 146ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 147ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 148d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 149d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 150d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 151c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1533f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1557e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 157c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 158c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1596726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 160c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 161c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1621997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 1630e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit BBPassManager() 1640e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick : PMDataManager(), FunctionPass(ID) {} 165c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 166c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 167c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 168c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 169c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 17066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 17166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 17266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 17366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 17466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 175964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 176964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 177964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 179964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1803660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 1813660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 1823660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 183e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1849769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 185e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 186e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 187ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 188ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 1893dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer llvm::dbgs().indent(Offset*2) << "BasicBlockPass Manager\n"; 1901554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1911554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1928a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman BP->dumpPassStructure(Offset + 1); 1931554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 194ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 195ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1961554c8545651350569f08dc7370189da1a7e5814Devang Patel 1971554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 198f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1991554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 2001554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 2011554c8545651350569f08dc7370189da1a7e5814Devang Patel } 20225919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 20395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 20495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_BasicBlockPassManager; 20525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 206c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 207c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2081997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 209ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 2101554c8545651350569f08dc7370189da1a7e5814Devang Patel 211ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 2145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 2175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 21836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 21936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2202d24e2a396a1d211baaeedf32148a3b657240170David Blaikie virtual void anchor(); 2211970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 2221970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 2241997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 2250e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit FunctionPassManagerImpl() : 2260e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager(), 2270e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PMTopLevelManager(new FPPassManager()), wasRun(false) {} 2285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 2335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 2355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 23695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 23795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a function printer pass. 2385c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 2395c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintFunctionPass(Banner, &O); 2405c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 2415c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 2421970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 2431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 2441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 2451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 2465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 2485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 2495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 2515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 25395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 254209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 25895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2593660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 2603660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 26111e43291540db9d885b736cbd652558faab80955Andrew Trick virtual PassManagerType getTopLevelPassManagerType() { 26211e43291540db9d885b736cbd652558faab80955Andrew Trick return PMT_FunctionPassManager; 26311e43291540db9d885b736cbd652558faab80955Andrew Trick } 2643660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 2655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 271f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 275c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 276c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2772d24e2a396a1d211baaeedf32148a3b657240170David Blaikievoid FunctionPassManagerImpl::anchor() {} 2782d24e2a396a1d211baaeedf32148a3b657240170David Blaikie 2791997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 28095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2817e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2837e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 285b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 286b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 288c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2891997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 2900e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit MPPassManager() : 2910e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager() { } 292693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 293693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 294693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 29595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 296693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 297693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 298dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 299693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 300693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 301693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 302693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 30395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 308c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 309c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 310c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 311be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 31266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 31366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 31466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 31566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 31666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 317569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 318569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 319569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 320569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 321569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 32295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// Return function pass corresponding to PassInfo PI, that is 3230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3240ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 32590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F); 3260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 327e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 328e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 329e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 330e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3313660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3323660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3333660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 334ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 335ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 3363dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer llvm::dbgs().indent(Offset*2) << "ModulePass Manager\n"; 3371554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3381554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 3398a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman MP->dumpPassStructure(Offset + 1); 34082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 34182c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 34282c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 34382c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3441554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 345ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 346ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 347ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3481554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 349f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 350f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3511554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3521554c8545651350569f08dc7370189da1a7e5814Devang Patel 35395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 35495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_ModulePassManager; 35584da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3590ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 360dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 361c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3631997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3647e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3667e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 367794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 37036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 37136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3722d24e2a396a1d211baaeedf32148a3b657240170David Blaikie virtual void anchor(); 3735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3751997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 3760e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit PassManagerImpl() : 3770e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager(), 3780e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PMTopLevelManager(new MPPassManager()) {} 379f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 384877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 385e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 386877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 38795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 38895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3895c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3905c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3915c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3925c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 3935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 39766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 39866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 39966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 40066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 40166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 4023660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4033660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 40411e43291540db9d885b736cbd652558faab80955Andrew Trick virtual PassManagerType getTopLevelPassManagerType() { 40511e43291540db9d885b736cbd652558faab80955Andrew Trick return PMT_ModulePassManager; 40611e43291540db9d885b736cbd652558faab80955Andrew Trick } 4073660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 409f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 4135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4152d24e2a396a1d211baaeedf32148a3b657240170David Blaikievoid PassManagerImpl::anchor() {} 4162d24e2a396a1d211baaeedf32148a3b657240170David Blaikie 4171997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 418c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 420c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 421b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 422c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 423d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 424d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 425d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 426d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 427f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4283c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 429f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4306726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 431a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 432c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 433c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 434c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 435c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 43695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 437c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 438c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 439a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 440a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 441a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 442a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 443a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 444c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 445c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 446c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 447c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 448c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 449c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 450c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 451c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 452a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 453a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 45495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (P->getAsPMDataManager()) 4555c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 456c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 457a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 458a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 459a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 460a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 4610d2725ad696afb60c86076469031783669809739Chris Lattner return T; 462c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 463c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 464c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 465c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 466c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 467844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 468844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 46906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4728f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 4737578ea887de6a7cb22c324b629101683a0afb3c5Dan GohmanPMTopLevelManager::PMTopLevelManager(PMDataManager *PMDM) { 4747578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMDM->setTopLevelManager(this); 4757578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman addPassManager(PMDM); 4767578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman activeStack.push(PMDM); 4778f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 480568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohmanvoid 481568a63db96ea59b988c916a7777db7e3e39352b1Dan GohmanPMTopLevelManager::setLastUser(const SmallVectorImpl<Pass *> &AnalysisPasses, 482568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman Pass *P) { 483e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned PDepth = 0; 484e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 485e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser PDepth = P->getResolver()->getPMDataManager().getDepth(); 486e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 487568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = AnalysisPasses.begin(), 4881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 49195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 492d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 493d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 494d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 495e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // Update the last users of passes that are required transitive by AP. 496e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisUsage *AnUsage = findAnalysisUsage(AP); 497e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 498e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastUses; 499e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastPMUses; 500e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 501e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser E = IDs.end(); I != E; ++I) { 502e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser Pass *AnalysisPass = findAnalysisPass(*I); 503e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AnalysisPass && "Expected analysis pass to exist."); 504e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisResolver *AR = AnalysisPass->getResolver(); 505e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AR && "Expected analysis resolver to exist."); 506e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned APDepth = AR->getPMDataManager().getDepth(); 507e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 508e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (PDepth == APDepth) 509e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastUses.push_back(AnalysisPass); 510e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser else if (PDepth > APDepth) 511e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastPMUses.push_back(AnalysisPass); 512e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser } 513e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 514e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastUses, P); 515e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 516e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // If this pass has a corresponding pass manager, push higher level 517e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // analysis to this pass manager. 518e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 519e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastPMUses, P->getResolver()->getPMDataManager().getAsPass()); 520e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 521e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 524721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 527721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 528e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // this is just updating existing entries. 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 535ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMTopLevelManager::collectLastUses(SmallVectorImpl<Pass *> &LastUses, 536721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 53795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 538721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 539721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 540721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 541721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 542721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 543721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 544721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 545721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 546721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 547721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5503b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5513b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 55395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5613b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 5623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 57122a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 57222a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 57322a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5741cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5751cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5761cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 57790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 57890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 57990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 580641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 581c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 582641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5831cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5853b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 586488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 587488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 588488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 58995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 590488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 591488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 592488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 59395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 594488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 595488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 59690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 597c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected required passes to be initialized"); 59890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 599488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 600488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 601488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 602488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 603488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 604488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 605488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 606488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 6073620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Recheck analysis passes to ensure that required analyses that 608488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 609488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 610488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 611488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 61295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 613488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 614488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 615488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 62011e43291540db9d885b736cbd652558faab80955Andrew Trick if (ImmutablePass *IP = P->getAsImmutablePass()) { 62111e43291540db9d885b736cbd652558faab80955Andrew Trick // P is a immutable pass and it will be managed by this 62211e43291540db9d885b736cbd652558faab80955Andrew Trick // top level manager. Set up analysis resolver to connect them. 62311e43291540db9d885b736cbd652558faab80955Andrew Trick PMDataManager *DM = getAsPMDataManager(); 62411e43291540db9d885b736cbd652558faab80955Andrew Trick AnalysisResolver *AR = new AnalysisResolver(*DM); 62511e43291540db9d885b736cbd652558faab80955Andrew Trick P->setResolver(AR); 62611e43291540db9d885b736cbd652558faab80955Andrew Trick DM->initializeAnalysisImpl(P); 62711e43291540db9d885b736cbd652558faab80955Andrew Trick addImmutablePass(IP); 62811e43291540db9d885b736cbd652558faab80955Andrew Trick DM->recordAvailableAnalysis(IP); 62911e43291540db9d885b736cbd652558faab80955Andrew Trick return; 63011e43291540db9d885b736cbd652558faab80955Andrew Trick } 63111e43291540db9d885b736cbd652558faab80955Andrew Trick 63211e43291540db9d885b736cbd652558faab80955Andrew Trick if (PI && !PI->isAnalysis() && ShouldPrintBeforePass(PI)) { 63311e43291540db9d885b736cbd652558faab80955Andrew Trick Pass *PP = P->createPrinterPass( 63411e43291540db9d885b736cbd652558faab80955Andrew Trick dbgs(), std::string("*** IR Dump Before ") + P->getPassName() + " ***"); 63511e43291540db9d885b736cbd652558faab80955Andrew Trick PP->assignPassManager(activeStack, getTopLevelPassManagerType()); 63611e43291540db9d885b736cbd652558faab80955Andrew Trick } 63711e43291540db9d885b736cbd652558faab80955Andrew Trick 63811e43291540db9d885b736cbd652558faab80955Andrew Trick // Add the requested pass to the best available pass manager. 63911e43291540db9d885b736cbd652558faab80955Andrew Trick P->assignPassManager(activeStack, getTopLevelPassManagerType()); 64011e43291540db9d885b736cbd652558faab80955Andrew Trick 64111e43291540db9d885b736cbd652558faab80955Andrew Trick if (PI && !PI->isAnalysis() && ShouldPrintAfterPass(PI)) { 64211e43291540db9d885b736cbd652558faab80955Andrew Trick Pass *PP = P->createPrinterPass( 64311e43291540db9d885b736cbd652558faab80955Andrew Trick dbgs(), std::string("*** IR Dump After ") + P->getPassName() + " ***"); 64411e43291540db9d885b736cbd652558faab80955Andrew Trick PP->assignPassManager(activeStack, getTopLevelPassManagerType()); 64511e43291540db9d885b736cbd652558faab80955Andrew Trick } 6461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 653d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 654ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 6557c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = PassManagers.end(); I != E; ++I) 6567c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6577c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 658d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 659d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 6609b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 661f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 6627c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = IndirectPassManagers.end(); I != E; ++I) 6637c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6647c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 6657c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman 6667c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // Check the immutable passes. Iterate in reverse order so that we find 6677c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // the most recently registered passes first. 6687c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (SmallVector<ImmutablePass *, 8>::reverse_iterator I = 6697c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman ImmutablePasses.rbegin(), E = ImmutablePasses.rend(); I != E; ++I) { 67090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6727c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6757c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const PassInfo *PassInf = 6767c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassRegistry::getPassRegistry()->getPassInfo(PI); 677c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PassInf && "Expected all immutable passes to be initialized"); 6787c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const std::vector<const PassInfo*> &ImmPI = 6797c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassInf->getInterfacesImplemented(); 6807c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 6817c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman EE = ImmPI.end(); II != EE; ++II) { 6827c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if ((*II)->getTypeInfo() == AID) 6837c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6877c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return 0; 6881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 690ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 691a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 692ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 69326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 6945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 6955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 696ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 697ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 6988a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman ImmutablePasses[i]->dumpPassStructure(0); 699ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 70095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7018a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // Every class that derives from PMDataManager also derives from Pass 7028a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 7038a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // between PMDataManager and Pass, so we have to getAsPass to get 7048a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // from a PMDataManager* to a Pass*. 70578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 706ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 7078a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->getAsPass()->dumpPassStructure(1); 708ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 709ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 710a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 711c32cf54101ecaf336d161fecd58667870149169cDevang Patel 71226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 713c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 714c32cf54101ecaf336d161fecd58667870149169cDevang Patel 715170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 71667a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman for (SmallVector<ImmutablePass *, 8>::const_iterator I = 71767a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 71867a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (const PassInfo *PI = 719c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) { 720c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected all immutable passes to be initialized"); 72167a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (!PI->isAnalysisGroup()) 72267a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman dbgs() << " -" << PI->getPassArgument(); 723c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 72478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 725d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 726d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 727170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 728c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 729c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7301336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 7319b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 732d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 733d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 73495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7351336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 7369b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 73795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 73895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7391336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 740721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 741f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 742721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 74395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 744721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 745721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 746721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 747721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 748721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 749721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 750721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 751721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 752721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7531336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7541336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 755ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 756ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 7579b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 758ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 759ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 76095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7619b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<ImmutablePass *>::iterator 762ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 763ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 766f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 767f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 768ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 769ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 771419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 772889739c4d188d28c167644bced9df0f3131317d7Devang Patel 773b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 774f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 77590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 77695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 777f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 77895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7799e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 780b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 78195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 78295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 78390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 78490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 78590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 7862dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 78790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 788b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 789b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 7907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 7917b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 7927b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 7933b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 7957b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 79695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7973b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 7989b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(), 7997b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 8007b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 8015e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 80297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 80395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 804d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 805d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 8067b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 80795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8087b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 8097b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 8107b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 811e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 81258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 813e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 814e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 815e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 816e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 8173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 81914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 8209750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 821fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 82258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 82358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 8249450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 825a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 8269450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 8279450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 8285b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 8295b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 8305b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 831844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 83258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 8333b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8343b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 83504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 83604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 8373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 838b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 83954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8401a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8415e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 84295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 843e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 84414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 845e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 846e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 847170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 848170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 849e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 850e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 851e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 85214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 85395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 854fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 855fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 856fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 857fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 858fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 859fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 860fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 86195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 862fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 863fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 864fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8655e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 86695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8671f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 868fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8691f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8701f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 871170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 872170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8731f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 874d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8751f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 876fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 877fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 878889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 879889739c4d188d28c167644bced9df0f3131317d7Devang Patel 880df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8812928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 8827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 883f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 884edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8850ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 886693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8870ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8880ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8890ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 890f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 891f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8928fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 893170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 894170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 895170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 8967c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8977c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 8989b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(), 89927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 90027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 90127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 9024eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 9032928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 90427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 90527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 9064eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 90727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 90827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 90927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 910a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 911a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 91227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 91327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 914617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 91590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 91690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 91727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 91827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 919617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 92027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 92127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 92290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 9232dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 92427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 92590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 92627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 92727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 928617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 929f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 930df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 931df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 93295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 933893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 934f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 935145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 936145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 937cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 938145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 939145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 940cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 941cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 942edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 943cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 944f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 945f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 946f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 947f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 948f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 949569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 950f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 951f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 952f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 953f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 954cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 955f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 956f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 95795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 958f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 9599b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = RequiredPasses.begin(), 960f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 961f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 962f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 963f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 967f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 968f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 969f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 970f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 971f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 972f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 973f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 974f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 97595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 9767a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner llvm_unreachable("Unable to accommodate Required Pass"); 977f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 978f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 979f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 980f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 981f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 9823660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 983f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 984f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 985f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 986f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 9873660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 988f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 989f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 990f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 9923620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Now, take care of required analyses that are not available. 9939b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<AnalysisID>::iterator 99495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 995f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 99690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 99790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 998f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 999893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 1000e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1001f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 1002f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 1003f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 1004f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 1005f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 1006e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 1007e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 1008e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 1009e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1010569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1011569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 1012569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 1013569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 1014ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMDataManager::collectRequiredAnalysis(SmallVectorImpl<Pass *> &RP, 1015ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman SmallVectorImpl<AnalysisID> &RP_NotAvail, 1016569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 10173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 101995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 1020f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 1021569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 102295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1023569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1024f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 1025c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 102627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 10273b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 1028fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 102927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 1030569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 103195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1032569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1033f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 103427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 1035c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 1036c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 10372f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10382f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10392f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10402f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10412f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1042419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10433b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10443b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1045fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10463b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10473b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 104869867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10492f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1050f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1051f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1052f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1053cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1054f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1055298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 105969867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 106069867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 106169867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 106269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 106369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 106469867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 106569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 106669867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 106769867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 106869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 106969867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 107069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 107169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 107295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10735b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 107469867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 107569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1076a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1077a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1078a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1079edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1080693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1081693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1082693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1083693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1084693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1085a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 108695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1087ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(), 1088a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1089170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 10908a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->dumpPassStructure(0); 1091a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1092a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1093a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1094a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1095ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = PassVector.begin(), 1096a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 10973660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1098a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1099a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 110090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 110190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1102a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1103170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1104a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1105a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1106a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1107417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1108417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 11092928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 111026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1111a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1112170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 11137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 11147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1115170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 11167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11177f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1118170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 11197f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11207f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1121170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 11227f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11237f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11257f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 11267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 11277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1128170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 11297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1131170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 11327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1134170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 11357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 113665513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser case ON_REGION_MSG: 113765513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser dbgs() << "' on Region '" << Msg << "'...\n"; 113865513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser break; 11397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1140170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1143170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1148a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1149a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1150d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11520dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 115395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11540dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11550dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11560dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1159d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11600dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11610dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 116295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11630dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11650dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11660dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11670dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11682928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1169d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11720dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1173170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1174d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1175170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 117690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 1177c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick if (!PInf) { 1178c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // Some preserved passes, such as AliasAnalysis, may not be initialized by 1179c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // all drivers. 1180c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick dbgs() << " Uninitialized Pass"; 1181c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick continue; 1182c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 118390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1184d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1185170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1186a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1187f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 118819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 118919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 119019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 119119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 119219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 119319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 119419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 119519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 119619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 11971cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 119895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 119995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 120095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 12011cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 12021cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 12031cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 12041cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 120595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 12061cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1207c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1208170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1209170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1210c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1211c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 121219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 121319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 121490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 121550bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper llvm_unreachable("Unable to find on the fly pass"); 1216e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman} 1217e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman 1218ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1219ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 1220ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = PassVector.begin(), 1221ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1222ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1223ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1224ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1225f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1226f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 12271465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 12281465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1229f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1230f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1231f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 123295df619a4074315dfba4f66cee9a5f16529c088dDan GohmanPass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI, 12336b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 12346b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 12356b1df0e863963929634d769f39cbce68f030f051Devang Patel} 12366b1df0e863963929634d769f39cbce68f030f051Devang Patel 123706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 123955fd43f90913676682487f89f27c756adb827f66Devang Patel 124095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 124195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnBasicBlock method. Keep track of whether any of the passes modifies 124255fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1243d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 12445cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 12451fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12461fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12473b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1248c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 124955fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 12501554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12511554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 125216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1253017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 125493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 12550dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1256017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12571554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1258693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1259d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1260d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1261d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1262a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1263a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 126416b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1265d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1266693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 126716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 126895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (LocalChanged) 126997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 127093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1272693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 127358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12741554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12751554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 127693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 127755fd43f90913676682487f89f27c756adb827f66Devang Patel } 1278fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 127947eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 128055fd43f90913676682487f89f27c756adb827f66Devang Patel} 128155fd43f90913676682487f89f27c756adb827f66Devang Patel 1282964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1283e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1284964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1285964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1286d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1287d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1288964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1289964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1290964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1291964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1292e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1293964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1294964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1295d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1296d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1297964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1298964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1299964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1300964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1301e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1302964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1303964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13041554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13051554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1306964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1307964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1308964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1309964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1310964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1311964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1312e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1313964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1314964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13151554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13161554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1317964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1318964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1319964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1320964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1321964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1322964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1323964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 132406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13253162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 132606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1327c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1328f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 13290e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPM = new FunctionPassManagerImpl(); 1330dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1331dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1332b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 133359ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1334b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1335cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1336cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 13373162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 133837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 133937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 134037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1341c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1342c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1343c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1344c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1345c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 134695df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 134711e43291540db9d885b736cbd652558faab80955Andrew Trick FPM->add(P); 1348c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1349c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1350214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1351214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1352214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1353214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13543162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1355c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1356c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1357f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13581bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1359214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1360c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1361214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1362214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1363214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13643799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13653799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13663162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1367f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 13683799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1370209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 13713799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13723162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1373f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 13743799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13753799f97d539f6c288d169063e1b335917fafcffbDevang Patel 137606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 13785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1379e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 13805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13829f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 13839f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 13849f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1385d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1386d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 13875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1391e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 13925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1394d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1395d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14009dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 14019dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 14029dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14039dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 14049dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 14059dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 14069dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 14079dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 14089dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 14099dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 14111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 14121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 14131970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14141970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 14151970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 14161970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 14171970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14196c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 14201970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 14211970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 14235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 14245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 14255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 14275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14281336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1429d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1430d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14319dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14329dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14339dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14349dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14351970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1441448d27cd795dc273249f123444509403f4fa4facDevang Patel 14421997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1443ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1444ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1445962bad70f4277841cf6278306caa93ebce304b48Benjamin Kramer dbgs().indent(Offset*2) << "FunctionPass Manager\n"; 1446ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1447ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 14488a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman FP->dumpPassStructure(Offset + 1); 1449ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1450ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1451ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1452ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1453ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 145495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 145595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1456448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1458f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1459f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1460214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1461214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14621fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1463bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1464bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14651fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14661554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14671554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 146816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14691554c8545651350569f08dc7370189da1a7e5814Devang Patel 147093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 14710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1472693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14731554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 14749e7e60952505da18c67b575b07237445cc673691Eric Christopher 1475d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1476d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1477a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1478d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 147916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1480d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1481693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 148216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 148316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 148493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 14850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1486693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 148758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 14881554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 14891554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 149093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1491214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1492214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1493214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1494214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 14965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 14975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1498d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 14997df4f963ea29284f6b2748c78ff658dc4ab36351Bill Wendling Changed |= runOnFunction(*I); 15005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 150147eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 15025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 15035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1504e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 15053799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1507d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1508d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 15093799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15103799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15113799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1513e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 15143799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15153799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1516d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1517d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 15183799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15193799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15203799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15213799f97d539f6c288d169063e1b335917fafcffbDevang Patel 152206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 15235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 152492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 152595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 152695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 152792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 152892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 153092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1531c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15321970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15331970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15341970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15351970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15361970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15371970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15381970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15391970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15401554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15411554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 154216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15431554c8545651350569f08dc7370189da1a7e5814Devang Patel 154469cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15450dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1546693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15471554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1549d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1550d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1551a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1552a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 155316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1554d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1555693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 155616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 155716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 155897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 155969cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 15600dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 156195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 156258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15631554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 15641554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 156569cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 156692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 15671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 15691970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15701970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 15741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 15751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 15761970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 15771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 157892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 157992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 158092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1581569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1582569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1583569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1584569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1585f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1586f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 158795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1588f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1589f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1590569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1591dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 15920ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 15930e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FunctionPassManagerImpl(); 1594dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1595dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1596dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 15970ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 15980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1599dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 16000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1601dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1602c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel if (RequiredPass) { 1603c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel SmallVector<Pass *, 1> LU; 1604c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel LU.push_back(RequiredPass); 1605c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel FPP->setLastUser(LU, P); 1606c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel } 1607569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 16080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 160995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 16100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 16110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 161290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1613dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1614f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 161595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 16161970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1617dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 161877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 16190ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 16200ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 16210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 162206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 162306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 162437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1625b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1626b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 16275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1628b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 16298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1631c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 163345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16341336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1635d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1636d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1637b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1638b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 164006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 164106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 164206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16443162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16450e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM = new PassManagerImpl(); 1646dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1647dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16503162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 165137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 165237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 165337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 16545a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 16555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 16565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 16575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1658f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 165911e43291540db9d885b736cbd652558faab80955Andrew Trick PM->add(P); 16605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 16635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1664f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 16655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 16665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 16698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 16708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 16718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 16728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 16738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 16748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 16758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 16768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 16778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 16798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 16808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 16818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 16828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 16838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 16858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 16868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 16878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 16888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 16898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 16908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1691c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1692a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 169395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1694a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 16955c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1696c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1697c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 169809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 169909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 170009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 170136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 170209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 170309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 170409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 170509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 170609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 170709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 170809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 170909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 171009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 171109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1712c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1713f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 17140e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getDepth()==0 && "Pass Manager depth set too early"); 171509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1716f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 17170e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getPassManagerType() > this->top()->getPassManagerType() 17180e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 1719f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 172097149737f27457b0411e49af3e4539688e29848fDevang Patel 1721f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 172297149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 172397149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 17240e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(this->top()->getDepth()+1); 17250e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick } 17260e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick else { 17274a3d0a56eb497ad83c0adfe9ac27c569767b14e8Benjamin Kramer assert((PM->getPassManagerType() == PMT_ModulePassManager 17284a3d0a56eb497ad83c0adfe9ac27c569767b14e8Benjamin Kramer || PM->getPassManagerType() == PMT_FunctionPassManager) 17290e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 17300e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(1); 173197149737f27457b0411e49af3e4539688e29848fDevang Patel } 173297149737f27457b0411e49af3e4539688e29848fDevang Patel 173397149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 173497149737f27457b0411e49af3e4539688e29848fDevang Patel} 173509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 173697149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 173712376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 173812376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1739f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17403dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer dbgs() << (*I)->getAsPass()->getPassName() << ' '; 1741f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 174297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 17433dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer dbgs() << '\n'; 174409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 174509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 174609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 174795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 174895df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1749bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 175009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 175195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 175244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 175344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 175444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 175544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 175609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 17576b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 17586b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 175909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1760bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 176144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 176209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 176309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 176595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1766be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1767bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 176809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 176911e43291540db9d885b736cbd652558faab80955Andrew Trick // Find Function Pass Manager 177077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 17716b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 17726b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 177309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 177495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 177509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 177609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 177777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 177877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 177977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 178077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 178177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 17829d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 17839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 178497149737f27457b0411e49af3e4539688e29848fDevang Patel 17859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 17860e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FPPassManager(); 1787bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 178897149737f27457b0411e49af3e4539688e29848fDevang Patel 17899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 179297149737f27457b0411e49af3e4539688e29848fDevang Patel 17939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 17949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 17950938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 17969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 17999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 180009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 18029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 180309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 180409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18059d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 180695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1807be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1808bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 180977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 181009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 181197149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 181297149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 181395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 181477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 181577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 181677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 181777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 181877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 18199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 18209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 18219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 18230e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick BBP = new BBPassManager(); 18249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18259d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 182997149737f27457b0411e49af3e4539688e29848fDevang Patel 183097149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 183197149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1832e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1833531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 183709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 184009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 184109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1842580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1843