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 481c6db6b6f26907f00a4b1665030616f90dbb8f546Bill WendlingPMTopLevelManager::setLastUser(ArrayRef<Pass*> AnalysisPasses, Pass *P) { 482e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned PDepth = 0; 483e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 484e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser PDepth = P->getResolver()->getPMDataManager().getDepth(); 485e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 486568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = AnalysisPasses.begin(), 4871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 49095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 491d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 492d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 493d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 494e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // Update the last users of passes that are required transitive by AP. 495e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisUsage *AnUsage = findAnalysisUsage(AP); 496e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 497e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastUses; 498e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastPMUses; 499e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 500e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser E = IDs.end(); I != E; ++I) { 501e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser Pass *AnalysisPass = findAnalysisPass(*I); 502e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AnalysisPass && "Expected analysis pass to exist."); 503e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisResolver *AR = AnalysisPass->getResolver(); 504e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AR && "Expected analysis resolver to exist."); 505e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned APDepth = AR->getPMDataManager().getDepth(); 506e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 507e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (PDepth == APDepth) 508e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastUses.push_back(AnalysisPass); 509e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser else if (PDepth > APDepth) 510e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastPMUses.push_back(AnalysisPass); 511e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser } 512e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 513e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastUses, P); 514e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 515e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // If this pass has a corresponding pass manager, push higher level 516e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // analysis to this pass manager. 517e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 518e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastPMUses, P->getResolver()->getPMDataManager().getAsPass()); 519e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 520e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 523721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 526721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 527e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // this is just updating existing entries. 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 534ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMTopLevelManager::collectLastUses(SmallVectorImpl<Pass *> &LastUses, 535721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 53695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 537721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 538721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 539721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 540721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 541721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 542721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 543721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 544721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 545721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 546721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5493b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5503b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5513b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 55295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5533b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 5613b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 57022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 57122a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 57222a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5731cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5741cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5751cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 57690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 57790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 57890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 579641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 580c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 581641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5821cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5833b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 585488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 586488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 587488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 58895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 589488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 590488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 591488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 59295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 593488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 594488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 59590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 5961ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira 5971ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira if (PI == NULL) { 5981ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira // Pass P is not in the global PassRegistry 5991ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "Pass '" << P->getPassName() << "' is not initialized." << "\n"; 6001ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "Verify if there is a pass dependency cycle." << "\n"; 6011ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "Required Passes:" << "\n"; 6021ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira for (AnalysisUsage::VectorType::const_iterator I2 = RequiredSet.begin(), 6031ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira E = RequiredSet.end(); I2 != E && I2 != I; ++I2) { 6041ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira Pass *AnalysisPass2 = findAnalysisPass(*I2); 6051ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira if (AnalysisPass2) { 6061ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "\t" << AnalysisPass2->getPassName() << "\n"; 6071ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira } 6081ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira else { 6091ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "\t" << "Error: Required pass not found! Possible causes:" << "\n"; 6101ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "\t\t" << "- Pass misconfiguration (e.g.: missing macros)" << "\n"; 6111ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira dbgs() << "\t\t" << "- Corruption of the global PassRegistry" << "\n"; 6121ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira } 6131ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira } 6141ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira } 6151ef3b6c90df35b2e02cc4f7cba46cb4302de55b6Victor Oliveira 616c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected required passes to be initialized"); 61790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 618488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 619488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 620488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 621488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 622488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 623488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 624488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 625488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 6263620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Recheck analysis passes to ensure that required analyses that 627488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 628488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 629488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 630488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 63195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 632488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 633488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 634488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 63911e43291540db9d885b736cbd652558faab80955Andrew Trick if (ImmutablePass *IP = P->getAsImmutablePass()) { 64011e43291540db9d885b736cbd652558faab80955Andrew Trick // P is a immutable pass and it will be managed by this 64111e43291540db9d885b736cbd652558faab80955Andrew Trick // top level manager. Set up analysis resolver to connect them. 64211e43291540db9d885b736cbd652558faab80955Andrew Trick PMDataManager *DM = getAsPMDataManager(); 64311e43291540db9d885b736cbd652558faab80955Andrew Trick AnalysisResolver *AR = new AnalysisResolver(*DM); 64411e43291540db9d885b736cbd652558faab80955Andrew Trick P->setResolver(AR); 64511e43291540db9d885b736cbd652558faab80955Andrew Trick DM->initializeAnalysisImpl(P); 64611e43291540db9d885b736cbd652558faab80955Andrew Trick addImmutablePass(IP); 64711e43291540db9d885b736cbd652558faab80955Andrew Trick DM->recordAvailableAnalysis(IP); 64811e43291540db9d885b736cbd652558faab80955Andrew Trick return; 64911e43291540db9d885b736cbd652558faab80955Andrew Trick } 65011e43291540db9d885b736cbd652558faab80955Andrew Trick 65111e43291540db9d885b736cbd652558faab80955Andrew Trick if (PI && !PI->isAnalysis() && ShouldPrintBeforePass(PI)) { 65211e43291540db9d885b736cbd652558faab80955Andrew Trick Pass *PP = P->createPrinterPass( 65311e43291540db9d885b736cbd652558faab80955Andrew Trick dbgs(), std::string("*** IR Dump Before ") + P->getPassName() + " ***"); 65411e43291540db9d885b736cbd652558faab80955Andrew Trick PP->assignPassManager(activeStack, getTopLevelPassManagerType()); 65511e43291540db9d885b736cbd652558faab80955Andrew Trick } 65611e43291540db9d885b736cbd652558faab80955Andrew Trick 65711e43291540db9d885b736cbd652558faab80955Andrew Trick // Add the requested pass to the best available pass manager. 65811e43291540db9d885b736cbd652558faab80955Andrew Trick P->assignPassManager(activeStack, getTopLevelPassManagerType()); 65911e43291540db9d885b736cbd652558faab80955Andrew Trick 66011e43291540db9d885b736cbd652558faab80955Andrew Trick if (PI && !PI->isAnalysis() && ShouldPrintAfterPass(PI)) { 66111e43291540db9d885b736cbd652558faab80955Andrew Trick Pass *PP = P->createPrinterPass( 66211e43291540db9d885b736cbd652558faab80955Andrew Trick dbgs(), std::string("*** IR Dump After ") + P->getPassName() + " ***"); 66311e43291540db9d885b736cbd652558faab80955Andrew Trick PP->assignPassManager(activeStack, getTopLevelPassManagerType()); 66411e43291540db9d885b736cbd652558faab80955Andrew Trick } 6651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 672d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 673ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 6747c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = PassManagers.end(); I != E; ++I) 6757c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6767c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 677d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 678d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 6799b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 680f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 6817c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = IndirectPassManagers.end(); I != E; ++I) 6827c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6837c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 6847c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman 6857c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // Check the immutable passes. Iterate in reverse order so that we find 6867c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // the most recently registered passes first. 6877c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (SmallVector<ImmutablePass *, 8>::reverse_iterator I = 6887c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman ImmutablePasses.rbegin(), E = ImmutablePasses.rend(); I != E; ++I) { 68990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6917c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6947c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const PassInfo *PassInf = 6957c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassRegistry::getPassRegistry()->getPassInfo(PI); 696c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PassInf && "Expected all immutable passes to be initialized"); 6977c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const std::vector<const PassInfo*> &ImmPI = 6987c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassInf->getInterfacesImplemented(); 6997c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 7007c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman EE = ImmPI.end(); II != EE; ++II) { 7017c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if ((*II)->getTypeInfo() == AID) 7027c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 7031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 7041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 7051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 7067c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return 0; 7071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 7081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 709ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 710a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 711ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 71226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 7135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 7145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 715ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 716ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 7178a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman ImmutablePasses[i]->dumpPassStructure(0); 718ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 71995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7208a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // Every class that derives from PMDataManager also derives from Pass 7218a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 7228a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // between PMDataManager and Pass, so we have to getAsPass to get 7238a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // from a PMDataManager* to a Pass*. 72478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 725ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 7268a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->getAsPass()->dumpPassStructure(1); 727ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 728ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 729a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 730c32cf54101ecaf336d161fecd58667870149169cDevang Patel 73126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 732c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 733c32cf54101ecaf336d161fecd58667870149169cDevang Patel 734170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 73567a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman for (SmallVector<ImmutablePass *, 8>::const_iterator I = 73667a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 73767a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (const PassInfo *PI = 738c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) { 739c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected all immutable passes to be initialized"); 74067a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (!PI->isAnalysisGroup()) 74167a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman dbgs() << " -" << PI->getPassArgument(); 742c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 74378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 744d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 745d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 746170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 747c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 748c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7491336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 7509b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 751d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 752d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 75395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7541336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 7559b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 75695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 75795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7581336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 759721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 760f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 761721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 76295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 763721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 764721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 765721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 766721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 767721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 768721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 769721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 770721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 771721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7721336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7731336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 774ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 775ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 7769b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 777ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 778ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 77995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7809b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<ImmutablePass *>::iterator 781ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 782ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7833b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 785f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 786f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 787ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 788ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 790419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 791889739c4d188d28c167644bced9df0f3131317d7Devang Patel 792b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 793f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 79490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 79595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 796f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 79795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7989e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 799b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 80095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 80195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 80290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 80390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 80490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 8052dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 80690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 807b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 808b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 8097b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 8107b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 8117b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 8123b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8133b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 8147b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 81595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8163b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 8179b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(), 8187b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 8197b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 8205e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 82197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 82295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 823d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 824d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 8257b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 82695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8277b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 8287b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 8297b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 830e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 83158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 832e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 833e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 834e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 835e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 8363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 83814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 8399750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 840fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 84158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 84258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 8439450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 844a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 8459450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 8469450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 8475b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 8485b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 8495b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 850844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 85158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 8523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8533b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 85404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 85504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 8563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 857b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 85854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8591a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8605e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 86195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 862e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 86314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 864e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 865e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 866170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 867170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 868e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 869e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 870e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 87114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 87295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 873fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 874fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 875fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 876fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 877fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 878fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 879fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 88095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 881fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 882fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 883fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8845e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 88595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8861f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 887fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8881f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8891f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 890170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 891170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8921f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 893d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8941f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 895fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 896fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 897889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 898889739c4d188d28c167644bced9df0f3131317d7Devang Patel 899df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 9002928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 9017f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 902f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 903edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 9040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 905693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 9060ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 9070ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 9080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 909f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 910f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 9118fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 912170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 913170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 914170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 9157c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 9167c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 9179b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(), 91827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 91927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 92027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 9214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 9222928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 92327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 92427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 9254eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 92627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 92727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 92827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 929a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 930a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 93127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 93227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 933617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 93490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 93590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 93627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 93727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 938617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 93927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 94027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 94190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 9422dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 94327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 94490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 94527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 94627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 947617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 948f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 949df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 950df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 95195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 952893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 953f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 954145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 955145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 956cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 957145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 958145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 959cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 960cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 961edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 962cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 963f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 967f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 968569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 969f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 970f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 971f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 972f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 973cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 974f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 975f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 97695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 977f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 9789b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = RequiredPasses.begin(), 979f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 980f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 981f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 982f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 983f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 984f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 985f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 986f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 987f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 988f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 989f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 990f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 991f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 992f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 993f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 99495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 9957a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner llvm_unreachable("Unable to accommodate Required Pass"); 996f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 997f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 998f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 999f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 1000f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 10013660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 1002f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 1003f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 1004f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 1005f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 10063660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 1007f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 1008f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 1009f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 10100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 10113620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Now, take care of required analyses that are not available. 10129b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<AnalysisID>::iterator 101395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 1014f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 101590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 101690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 1017f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 1018893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 1019e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1020f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 1021f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 1022f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 1023f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 1024f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 1025e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 1026e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 1027e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 1028e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1029569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1030569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 1031569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 1032569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 1033ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMDataManager::collectRequiredAnalysis(SmallVectorImpl<Pass *> &RP, 1034ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman SmallVectorImpl<AnalysisID> &RP_NotAvail, 1035569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 10363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 103895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 1039f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 1040569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 104195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1042569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1043f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 1044c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 104527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 10463b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 1047fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 104827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 1049569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 105095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1051569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1052f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 105327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 1054c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 1055c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 10562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10602f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1061419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10633b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1064fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 106769867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10682f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1069f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1070f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1071f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1072cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1073f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1074298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10772f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 107869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 107969867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 108069867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 108169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 108369867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 108469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108569867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 108669867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 108769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108869867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 108969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 109069867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 109195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10925b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 109369867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 109469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1095a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1096a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1097a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1098edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1099693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1100693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1101693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1102693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1103693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1104a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 110595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1106ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(), 1107a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1108170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 11098a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->dumpPassStructure(0); 1110a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1111a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1112a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1113a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1114ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = PassVector.begin(), 1115a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 11163660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1117a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1118a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 111990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 112090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1121a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1122170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1123a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1124a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1125a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1126417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1127417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 11282928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 112926426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1130a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1131170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 11327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 11337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1134170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 11357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1137170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 11387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1140170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 11417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 11457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 11467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1147170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 11487f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1150170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 11517f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1153170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 11547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 115565513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser case ON_REGION_MSG: 115665513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser dbgs() << "' on Region '" << Msg << "'...\n"; 115765513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser break; 11587f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1159170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1162170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11657f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1167a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1168a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1169d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 117295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11740dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11750dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11760dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11770dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1178d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11790dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11800dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 118195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11820dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11830dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11840dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11860dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11872928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1188d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11890dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11900dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11910dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 119259324297650c12a8dccf1a7ad650a9e895fdc17eRoman Divacky dbgs() << (const void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1193d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1194170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 119590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 1196c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick if (!PInf) { 1197c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // Some preserved passes, such as AliasAnalysis, may not be initialized by 1198c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // all drivers. 1199c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick dbgs() << " Uninitialized Pass"; 1200c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick continue; 1201c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 120290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1203d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1204170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1205a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1206f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 120719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 120819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 120919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 121019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 121119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 121219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 121319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 121419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 121519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 12161cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 121795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 121895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 121995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 12201cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 12211cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 12221cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 12231cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 122495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 12251cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1226c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1227170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1228170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1229c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1230c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 123119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 123219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 123390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 123450bee42b54cd9aec5f49566307df2b0cf23afcf6Craig Topper llvm_unreachable("Unable to find on the fly pass"); 1235e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman} 1236e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman 1237ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1238ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 1239ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = PassVector.begin(), 1240ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1241ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1242ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1243ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1244f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1245f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 12461465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 12471465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1248f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1249f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1250f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 125195df619a4074315dfba4f66cee9a5f16529c088dDan GohmanPass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI, 12526b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 12536b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 12546b1df0e863963929634d769f39cbce68f030f051Devang Patel} 12556b1df0e863963929634d769f39cbce68f030f051Devang Patel 125606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 125855fd43f90913676682487f89f27c756adb827f66Devang Patel 125995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 126095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnBasicBlock method. Keep track of whether any of the passes modifies 126155fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1262d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 12635cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 12641fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12651fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12663b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1267c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 126855fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 12691554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12701554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 127116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1272017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 127393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 12740dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1275017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12761554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1277693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1278d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1279d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1280d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1281a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1282a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 128316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1284d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1285693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 128616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 128795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (LocalChanged) 128897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 128993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12900dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1291693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 129258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12931554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12941554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 129593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 129655fd43f90913676682487f89f27c756adb827f66Devang Patel } 1297fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 129847eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 129955fd43f90913676682487f89f27c756adb827f66Devang Patel} 130055fd43f90913676682487f89f27c756adb827f66Devang Patel 1301964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1302e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1303964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1304964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1305d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1306d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1307964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1308964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1309964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1310964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1311e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1312964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1313964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1314d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1315d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1316964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1317964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1318964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1319964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1320e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1321964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1322964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13231554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13241554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1325964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1326964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1327964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1328964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1329964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1330964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1331e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1332964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1333964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13341554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13351554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1336964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1337964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1338964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1339964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1340964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1341964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1342964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 134306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13443162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 134506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1346c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1347f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 13480e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPM = new FunctionPassManagerImpl(); 1349dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1350dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1351b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 135259ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1353b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1354cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1355cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 13563162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 135737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 135837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 135937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1360c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1361c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1362c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1363c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1364c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 136595df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 136611e43291540db9d885b736cbd652558faab80955Andrew Trick FPM->add(P); 1367c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1368c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1369214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1370214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1371214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1372214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13733162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1374c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1375c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1376f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13771bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1378214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1379c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1380214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1381214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1382214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13833799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13843799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13853162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1386f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 13873799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1389209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 13903799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13913162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1392f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 13933799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13943799f97d539f6c288d169063e1b335917fafcffbDevang Patel 139506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 13975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1398e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 13995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14019f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 14029f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 14039f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1404d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1405d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 14065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1410e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 14115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1413d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1414d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 14155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14199dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 14209dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 14219dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14229dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 14239dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 14249dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 14259dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 14269dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 14279dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 14289dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14291970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 14301970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 14311970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 14321970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14331970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 14341970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 14351970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 14361970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14371970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14386c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 14391970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 14401970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 14425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 14435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 14445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 14465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14471336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1448d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1449d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14509dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14519dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14529dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14539dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14541970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1460448d27cd795dc273249f123444509403f4fa4facDevang Patel 14611997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1462ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1463ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1464962bad70f4277841cf6278306caa93ebce304b48Benjamin Kramer dbgs().indent(Offset*2) << "FunctionPass Manager\n"; 1465ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1466ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 14678a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman FP->dumpPassStructure(Offset + 1); 1468ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1469ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1470ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1471ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1472ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 147395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 147495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1475448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1477f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1478f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1479214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1480214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14811fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1482bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1483bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14841fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14851554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14861554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 148716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14881554c8545651350569f08dc7370189da1a7e5814Devang Patel 148993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 14900dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1491693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14921554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 14939e7e60952505da18c67b575b07237445cc673691Eric Christopher 1494d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1495d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1496a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1497d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 149816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1499d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1500693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 150116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 150216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 150393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 15040dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1505693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 150658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 15071554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 15081554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 150993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1510214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1511214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1512214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1513214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 15145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 15155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 15165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1517d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 15187df4f963ea29284f6b2748c78ff658dc4ab36351Bill Wendling Changed |= runOnFunction(*I); 15195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 152047eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 15215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 15225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1523e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 15243799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15253799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1526d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1527d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 15283799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15293799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15303799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15313799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1532e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 15333799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15343799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1535d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1536d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 15373799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15383799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15393799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15403799f97d539f6c288d169063e1b335917fafcffbDevang Patel 154106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 15425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 154392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 154495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 154595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 154692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 154792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 154992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1550c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15511970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15521970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15531970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15541970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15551970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15561970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15571970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15581970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15591554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15601554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 156116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15621554c8545651350569f08dc7370189da1a7e5814Devang Patel 156369cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1565693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15661554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1568d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1569d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1570a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1571a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 157216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1573d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1574693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 157516b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 157616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 157797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 157869cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 15790dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 158095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 158158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15821554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 15831554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 158469cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 158592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 15861970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 15881970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15891970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15901970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15911970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15921970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 15931970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 15941970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 15951970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 15961970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 159792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 159892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 159992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1600569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1601569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1602569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1603569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1604f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1605f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 160695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1607f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1608f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1609569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1610dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 16110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 16120e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FunctionPassManagerImpl(); 1613dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1614dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1615dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 16160ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 16170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1618dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 16190ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1620dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1621c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel if (RequiredPass) { 1622c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel SmallVector<Pass *, 1> LU; 1623c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel LU.push_back(RequiredPass); 1624c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel FPP->setLastUser(LU, P); 1625c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel } 1626569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 16270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 162895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 16290ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 16300ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 163190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1632dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1633f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 163495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 16351970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1636dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 163777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 16380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 16390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 16400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 164106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 164206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 164337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1644b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1645b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 16465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1647b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 16488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16498e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1650c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 165245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16531336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1654d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1655d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1656b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1657b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 165906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 166006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 166106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16633162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16640e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM = new PassManagerImpl(); 1665dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1666dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16693162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 167037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 167137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 167237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 16735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 16745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 16755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 16765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1677f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 167811e43291540db9d885b736cbd652558faab80955Andrew Trick PM->add(P); 16795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 16825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1683f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 16845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 16855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 16888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 16898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 16908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 16918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 16928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 16938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 16948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 16958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 16968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 16988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 16998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 17008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 17018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 17028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 17038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 17048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 17058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 17068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 17078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 17088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 17098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1710c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1711a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 171295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1713a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 17145c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1715c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1716c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 171709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 171809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 171909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 172036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 172109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 172209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 172309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 172509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 172609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 172809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 172909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 173009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1731c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1732f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 17330e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getDepth()==0 && "Pass Manager depth set too early"); 173409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1735f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 17360e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getPassManagerType() > this->top()->getPassManagerType() 17370e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 1738f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 173997149737f27457b0411e49af3e4539688e29848fDevang Patel 1740f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 174197149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 174297149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 17430e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(this->top()->getDepth()+1); 17440e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick } 17450e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick else { 17464a3d0a56eb497ad83c0adfe9ac27c569767b14e8Benjamin Kramer assert((PM->getPassManagerType() == PMT_ModulePassManager 17474a3d0a56eb497ad83c0adfe9ac27c569767b14e8Benjamin Kramer || PM->getPassManagerType() == PMT_FunctionPassManager) 17480e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 17490e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(1); 175097149737f27457b0411e49af3e4539688e29848fDevang Patel } 175197149737f27457b0411e49af3e4539688e29848fDevang Patel 175297149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 175397149737f27457b0411e49af3e4539688e29848fDevang Patel} 175409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 175597149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 175612376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 175712376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1758f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17593dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer dbgs() << (*I)->getAsPass()->getPassName() << ' '; 1760f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 176197149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 17623dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer dbgs() << '\n'; 176309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 176409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 176509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 176695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 176795df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1768bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 176909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 177095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 177144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 177244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 177344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 177444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 177509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 17766b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 17776b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 177809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1779bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 178044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 178109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 178209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 178495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1785be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1786bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 178709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 178811e43291540db9d885b736cbd652558faab80955Andrew Trick // Find Function Pass Manager 178977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 17906b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 17916b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 179209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 179395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 179409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 179509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 179677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 179777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 179877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 179977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 180077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 18019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 18029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 180397149737f27457b0411e49af3e4539688e29848fDevang Patel 18049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 18050e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FPPassManager(); 1806bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 180797149737f27457b0411e49af3e4539688e29848fDevang Patel 18089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 181197149737f27457b0411e49af3e4539688e29848fDevang Patel 18129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 18139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 18140938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 18159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 18189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 181909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 18219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 182209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 182309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 182595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1826be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1827bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 182877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 182909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 183097149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 183197149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 183295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 183377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 183477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 183577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 183677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 183777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 18389d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 18399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 18409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 18420e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick BBP = new BBPassManager(); 18439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 184897149737f27457b0411e49af3e4539688e29848fDevang Patel 184997149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 185097149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1851e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1852531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 185609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 185909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 186009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1861580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1862