PassManager.cpp revision 2d24e2a396a1d211baaeedf32148a3b657240170
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" 176af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel#include "llvm/DebugInfoProbe.h" 185c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Assembly/PrintModulePass.h" 199450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 2045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 21170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 22c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2355fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 24ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 265c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Support/PassNameParser.h" 27d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 281f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/Mutex.h" 296af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel#include "llvm/ADT/StringMap.h" 30ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 31b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 322bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 33c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 34ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5126426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 605c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 615c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenetypedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser> 625c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePassOptionList; 635c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 645c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene// Print IR out before/after specified passes. 655c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 665c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBefore("print-before", 67f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher llvm::cl::desc("Print IR before specified passes"), 68f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher cl::Hidden); 695c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 705c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 715c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfter("print-after", 72f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher llvm::cl::desc("Print IR after specified passes"), 73f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher cl::Hidden); 745c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 755c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 765c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBeforeAll("print-before-all", 775c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before each pass"), 785c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 805c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfterAll("print-after-all", 815c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after each pass"), 825c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 845c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a helper to determine whether to print IR before or 855c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after a pass. 865c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 8790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforeOrAfterPass(const void *PassID, 885c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene PassOptionList &PassesToPrint) { 8990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const llvm::PassInfo *PI = 9090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(PassID)) { 9190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) { 9290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const llvm::PassInfo *PassInf = PassesToPrint[i]; 9390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf) 9490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf->getPassArgument() == PI->getPassArgument()) { 9590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return true; 9690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 9790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 985c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 995c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return false; 1005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 10195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// before it. 10590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforePass(const void *PassID) { 10690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(PassID, PrintBefore); 1075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1095c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1105c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after it. 11190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintAfterPass(const void *PassID) { 11290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintAfterAll || ShouldPrintBeforeOrAfterPass(PassID, PrintAfter); 1135c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1145c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 11545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1179554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 1189554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 1199554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 1209554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 1219554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 1229554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1239554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1249554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1259554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 126d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 127d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 128d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 130d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 13195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 132d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 13395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 139d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 141d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 142d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 143ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 144d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 145ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 146d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 147ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 148d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 149ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 150ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 151ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 152ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 153ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 154d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 155d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 156d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 157c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1593f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1617e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 163c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 164c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1656726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 166c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 167c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1681997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 1690e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit BBPassManager() 1700e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick : PMDataManager(), FunctionPass(ID) {} 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 173c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 174c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 17666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 17766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 17866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 17966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 18066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 183964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1863660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 1873660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 1883660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 189e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1909769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 191e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 192e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 193ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 194ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 1953dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer llvm::dbgs().indent(Offset*2) << "BasicBlockPass Manager\n"; 1961554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1971554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1988a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman BP->dumpPassStructure(Offset + 1); 1991554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 200ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 201ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 2021554c8545651350569f08dc7370189da1a7e5814Devang Patel 2031554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 204f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 2051554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 2061554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 2071554c8545651350569f08dc7370189da1a7e5814Devang Patel } 20825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 20995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 21095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_BasicBlockPassManager; 21125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 212c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 213c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2141997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 215ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 2161554c8545651350569f08dc7370189da1a7e5814Devang Patel 217ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 2215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 2225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 22436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 22536bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2262d24e2a396a1d211baaeedf32148a3b657240170David Blaikie virtual void anchor(); 2271970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 2281970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 2295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 2301997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 2310e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit FunctionPassManagerImpl() : 2320e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager(), 2330e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PMTopLevelManager(new FPPassManager()), wasRun(false) {} 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 2395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 2405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 2415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 24295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 24395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a function printer pass. 2445c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 2455c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintFunctionPass(Banner, &O); 2465c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 2475c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 2481970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 2491970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 2501970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 2511970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 2525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 25995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 260209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 2615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 2635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 26495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2653660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 2663660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 2673660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 2685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 273b85b31b300295d3716832513a64165e3c637338aDan Gohman void addTopLevelPass(Pass *P) { 2745e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 2755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 277cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 282a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 283e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_FunctionPassManager); 2845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 285a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 289f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 293c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 294c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2952d24e2a396a1d211baaeedf32148a3b657240170David Blaikievoid FunctionPassManagerImpl::anchor() {} 2962d24e2a396a1d211baaeedf32148a3b657240170David Blaikie 2971997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 29895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2997e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 3017e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 303b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 304b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 3055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 306c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3071997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 3080e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit MPPassManager() : 3090e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager() { } 310693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 311693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 312693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 31395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 314693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 315693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 316dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 317693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 318693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 319693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 320693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 32195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3225c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3235c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3245c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3255c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 326c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 327c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 329be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 33066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 33166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 33266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 33366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 33466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 335569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 336569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 337569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 338569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 339569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 34095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// Return function pass corresponding to PassInfo PI, that is 3410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 34390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F); 3440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 345e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 346e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 347e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 348e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3493660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3503660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3513660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 352ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 353ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 3543dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer llvm::dbgs().indent(Offset*2) << "ModulePass Manager\n"; 3551554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3561554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 3578a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman MP->dumpPassStructure(Offset + 1); 35882c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 35982c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 36082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 36182c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3621554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 363ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 364ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 365ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3661554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 367f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 368f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3691554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3701554c8545651350569f08dc7370189da1a7e5814Devang Patel 37195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 37295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_ModulePassManager; 37384da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3740ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3750ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3760ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3770ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 378dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3811997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3827e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3847e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 385794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 38836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 38936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3902d24e2a396a1d211baaeedf32148a3b657240170David Blaikie virtual void anchor(); 3915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3931997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 3940e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit PassManagerImpl() : 3950e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager(), 3960e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PMTopLevelManager(new MPPassManager()) {} 397f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 4015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 402877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 403e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 404877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 40595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 40695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 4075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 4085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 4095c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 4105c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 4115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 41566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 420b85b31b300295d3716832513a64165e3c637338aDan Gohman void addTopLevelPass(Pass *P) { 4215e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 422145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 423145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 424cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 425145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 426689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 427c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 428689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 429a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 430e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_ModulePassManager); 431145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 432eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 433eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4343660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4353660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 4363660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 438f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 4425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4442d24e2a396a1d211baaeedf32148a3b657240170David Blaikievoid PassManagerImpl::anchor() {} 4452d24e2a396a1d211baaeedf32148a3b657240170David Blaikie 4461997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 447c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 449c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 450b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 451c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 4526af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel// DebugInfoProbe 4536af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel 4546af531febe488adb655c7e3de96c7c6bd6536eacDevang Patelstatic DebugInfoProbeInfo *TheDebugProbe; 4556af531febe488adb655c7e3de96c7c6bd6536eacDevang Patelstatic void createDebugInfoProbe() { 4566af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel if (TheDebugProbe) return; 4577ae0fbc2d072f87217d5302fcf0d91d2f3aa981fAndrew Trick 4587ae0fbc2d072f87217d5302fcf0d91d2f3aa981fAndrew Trick // Constructed the first time this is called. This guarantees that the 4597ae0fbc2d072f87217d5302fcf0d91d2f3aa981fAndrew Trick // object will be constructed, if -enable-debug-info-probe is set, 4606af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel // before static globals, thus it will be destroyed before them. 4616af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel static ManagedStatic<DebugInfoProbeInfo> DIP; 4626af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel TheDebugProbe = &*DIP; 4636af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel} 4646af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel 4656af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel//===----------------------------------------------------------------------===// 466d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 467d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 468d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 469d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 470f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4713c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 472f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4736726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 474a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 475c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 476c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 477c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 478c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 47995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 480c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 481c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 482a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 483a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 484a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 485a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 486a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 487c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 488c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 489c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 490c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 491c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 492c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 493c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 494c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 495a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 496a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 49795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (P->getAsPMDataManager()) 4985c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 499c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 500a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 501a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 502a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 503a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 5040d2725ad696afb60c86076469031783669809739Chris Lattner return T; 505c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 506c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 507c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 508c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 509c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 510844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 511844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 51206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 5167578ea887de6a7cb22c324b629101683a0afb3c5Dan GohmanPMTopLevelManager::PMTopLevelManager(PMDataManager *PMDM) { 5177578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMDM->setTopLevelManager(this); 5187578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman addPassManager(PMDM); 5197578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman activeStack.push(PMDM); 5208f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 5218f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 523568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohmanvoid 524568a63db96ea59b988c916a7777db7e3e39352b1Dan GohmanPMTopLevelManager::setLastUser(const SmallVectorImpl<Pass *> &AnalysisPasses, 525568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman Pass *P) { 526e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned PDepth = 0; 527e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 528e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser PDepth = P->getResolver()->getPMDataManager().getDepth(); 529e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 530568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = AnalysisPasses.begin(), 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 53495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 535d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 536d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 537d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 538e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // Update the last users of passes that are required transitive by AP. 539e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisUsage *AnUsage = findAnalysisUsage(AP); 540e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 541e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastUses; 542e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastPMUses; 543e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 544e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser E = IDs.end(); I != E; ++I) { 545e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser Pass *AnalysisPass = findAnalysisPass(*I); 546e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AnalysisPass && "Expected analysis pass to exist."); 547e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisResolver *AR = AnalysisPass->getResolver(); 548e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AR && "Expected analysis resolver to exist."); 549e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned APDepth = AR->getPMDataManager().getDepth(); 550e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 551e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (PDepth == APDepth) 552e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastUses.push_back(AnalysisPass); 553e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser else if (PDepth > APDepth) 554e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastPMUses.push_back(AnalysisPass); 555e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser } 556e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 557e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastUses, P); 558e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 559e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // If this pass has a corresponding pass manager, push higher level 560e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // analysis to this pass manager. 561e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 562e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastPMUses, P->getResolver()->getPMDataManager().getAsPass()); 563e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 564e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 567721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 570721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 571e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // this is just updating existing entries. 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 578ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMTopLevelManager::collectLastUses(SmallVectorImpl<Pass *> &LastUses, 579721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 58095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 581721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 582721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 583721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 584721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 585721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 586721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 587721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 588721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 589721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 590721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5933b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5953b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 59695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5973b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5983b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5993b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 6003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 6013b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 6023b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 6033b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 6043b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 6053b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 6071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 6081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 6091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 6101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 6129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 6131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 61422a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 61522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 61622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 6171cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 6181cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 6191cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 62090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 62190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 62290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 623641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 624c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 625641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 6261cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 6273b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 6283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 629488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 630488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 631488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 63295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 633488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 634488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 635488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 63695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 637488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 638488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 63990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 640c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected required passes to be initialized"); 64190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 642488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 643488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 644488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 645488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 646488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 647488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 648488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 649488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 6503620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Recheck analysis passes to ensure that required analyses that 651488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 652488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 653488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 654488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 65595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 656488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 657488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 658488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 671d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 672ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 6737c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = PassManagers.end(); I != E; ++I) 6747c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6757c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 676d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 677d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 6789b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 679f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 6807c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = IndirectPassManagers.end(); I != E; ++I) 6817c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6827c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 6837c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman 6847c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // Check the immutable passes. Iterate in reverse order so that we find 6857c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // the most recently registered passes first. 6867c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (SmallVector<ImmutablePass *, 8>::reverse_iterator I = 6877c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman ImmutablePasses.rbegin(), E = ImmutablePasses.rend(); I != E; ++I) { 68890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6907c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6937c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const PassInfo *PassInf = 6947c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassRegistry::getPassRegistry()->getPassInfo(PI); 695c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PassInf && "Expected all immutable passes to be initialized"); 6967c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const std::vector<const PassInfo*> &ImmPI = 6977c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassInf->getInterfacesImplemented(); 6987c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 6997c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman EE = ImmPI.end(); II != EE; ++II) { 7007c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if ((*II)->getTypeInfo() == AID) 7017c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 7021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 7031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 7041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 7057c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return 0; 7061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 7071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 708ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 709a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 710ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 71126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 7125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 7135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 714ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 715ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 7168a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman ImmutablePasses[i]->dumpPassStructure(0); 717ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 71895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7198a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // Every class that derives from PMDataManager also derives from Pass 7208a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 7218a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // between PMDataManager and Pass, so we have to getAsPass to get 7228a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // from a PMDataManager* to a Pass*. 72378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 724ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 7258a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->getAsPass()->dumpPassStructure(1); 726ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 727ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 728a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 729c32cf54101ecaf336d161fecd58667870149169cDevang Patel 73026426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 731c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 732c32cf54101ecaf336d161fecd58667870149169cDevang Patel 733170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 73467a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman for (SmallVector<ImmutablePass *, 8>::const_iterator I = 73567a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 73667a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (const PassInfo *PI = 737c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) { 738c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected all immutable passes to be initialized"); 73967a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (!PI->isAnalysisGroup()) 74067a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman dbgs() << " -" << PI->getPassArgument(); 741c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 74278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 743d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 744d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 745170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 746c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 747c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7481336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 7499b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 750d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 751d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 75295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7531336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 7549b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 75595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 75695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7571336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 758721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 759f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 760721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 76195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 762721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 763721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 764721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 765721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 766721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 767721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 768721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 769721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 770721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7711336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7721336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 773ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 774ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 7759b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 776ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 777ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 77895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7799b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<ImmutablePass *>::iterator 780ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 781ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7833b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 784f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 785f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 786ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 787ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 789419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 790889739c4d188d28c167644bced9df0f3131317d7Devang Patel 791b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 792f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 79390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 79495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 795f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 79695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7979e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 798b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 79995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 80095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 80190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 80290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 80390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 8042dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 80590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 806b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 807b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 8087b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 8097b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 8107b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 8113b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8123b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 8137b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 81495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8153b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 8169b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(), 8177b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 8187b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 8195e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 82097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 82195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 822d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 823d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 8247b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 82595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8267b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 8277b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 8287b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 829e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 83058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 831e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 832e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 833e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 834e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 8353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 83714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 8389750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 839fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 84058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 84158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 8429450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 843a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 8449450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 8459450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 8465b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 8475b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 8485b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 849844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 85058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 8513b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 85304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 85404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 8553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 856b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 85754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8581a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8595e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 86095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 861e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 86214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 863e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 864e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 865170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 866170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 867e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 868e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 869e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 87014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 87195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 872fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 873fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 874fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 875fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 876fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 877fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 878fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 87995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 880fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 881fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 882fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8835e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 88495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8851f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 886fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8871f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8881f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 889170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 890170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8911f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 892d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8931f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 894fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 895fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 896889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 897889739c4d188d28c167644bced9df0f3131317d7Devang Patel 898df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8992928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 9007f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 901f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 902edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 9030ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 904693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 9050ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 9060ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 9070ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 908f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 909f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 9108fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 911170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 912170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 913170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 9147c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 9157c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 9169b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(), 91727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 91827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 91927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 9204eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 9212928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 92227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 92327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 9244eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 92527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 92627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 92727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 928a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 929a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 93027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 93127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 932617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 93390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 93490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 93527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 93627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 937617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 93827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 93927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 94090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 9412dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 94227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 94390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 94427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 94527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 946617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 947f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 948df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 949df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 95095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 951893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 952f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 953145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 954145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 955cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 956145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 957145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 958cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 959cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 960edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 961cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 962f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 963f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 967569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 968f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 969f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 970f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 971f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 972cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 973f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 974f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 97595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 976f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 9779b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = RequiredPasses.begin(), 978f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 979f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 980f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 981f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 982f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 983f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 984f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 985f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 986f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 987f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 988f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 989f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 990f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 991f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 992f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 99395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 9947a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner llvm_unreachable("Unable to accommodate Required Pass"); 995f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 996f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 997f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 998f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 999f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 10003660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 1001f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 1002f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 1003f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 1004f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 10053660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 1006f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 1007f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 1008f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 10090ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 10103620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Now, take care of required analyses that are not available. 10119b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<AnalysisID>::iterator 101295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 1013f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 101490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 101590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 1016f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 1017893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 1018e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1019f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 1020f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 1021f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 1022f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 1023f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 1024e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 1025e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 1026e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 1027e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1028569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1029569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 1030569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 1031569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 1032ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMDataManager::collectRequiredAnalysis(SmallVectorImpl<Pass *> &RP, 1033ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman SmallVectorImpl<AnalysisID> &RP_NotAvail, 1034569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 10353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 103795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 1038f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 1039569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 104095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1041569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1042f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 1043c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 104427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 10453b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 1046fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 104727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 1048569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 104995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1050569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1051f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 105227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 1053c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 1054c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 10552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1060419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10613b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1063fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 106669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1068f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1069f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1070f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1071cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1072f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1073298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 107769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 107869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 107969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 108069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 108269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 108369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 108569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 108669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 108869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 108969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 109095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10915b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 109269867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 109369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1094a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1095a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1096a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1097edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1098693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1099693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1100693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1101693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1102693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1103a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 110495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1105ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(), 1106a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1107170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 11088a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->dumpPassStructure(0); 1109a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1110a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1111a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1112a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1113ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = PassVector.begin(), 1114a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 11153660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1116a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1117a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 111890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 111990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1120a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1121170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1122a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1123a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1124a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1125417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1126417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 11272928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 112826426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1129a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1130170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 11317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 11327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1133170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 11347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1136170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 11377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1139170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 11407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 11447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 11457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1146170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 11477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11487f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1149170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 11507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11517f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1152170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 11537f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 115465513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser case ON_REGION_MSG: 115565513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser dbgs() << "' on Region '" << Msg << "'...\n"; 115665513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser break; 11577f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1158170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1161170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11627f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11657f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1166a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1167a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1168d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11690dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 117195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11720dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11740dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11750dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11760dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1177d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11780dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11790dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 118095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11810dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11820dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11830dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11840dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11862928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1187d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11880dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11890dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11900dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1191170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1192d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1193170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 119490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 1195c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick if (!PInf) { 1196c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // Some preserved passes, such as AliasAnalysis, may not be initialized by 1197c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // all drivers. 1198c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick dbgs() << " Uninitialized Pass"; 1199c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick continue; 1200c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 120190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1202d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1203170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1204a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1205f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 120619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 120719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 120819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 120919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 121019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 121119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 121219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 121319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 121419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 12151cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 121695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 121795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 121895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 12191cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 12201cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 12211cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 12221cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 122395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 12241cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1225c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1226170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1227170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1228c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1229c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 123019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 123119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 123290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 1233e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman assert(0 && "Unable to find on the fly pass"); 1234e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman return NULL; 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 1360e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1361e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1362e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid FunctionPassManager::addImpl(Pass *P) { 1363e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene FPM->add(P); 1364e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1365e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1366c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1367c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1368c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1369c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1370c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 137195df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 1372e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene // If this is a not a function pass, don't add a printer for it. 137390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void *PassID = P->getPassID(); 1374e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 137590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1376e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1377e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 13785c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1379e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 1380e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1381e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 138290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1383e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1384e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 1385c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1386c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1387214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1388214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1389214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1390214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13913162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1392c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1393c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1394f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13951bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1396214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1397c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1398214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1399214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1400214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14013799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 14023799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 14033162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1404f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 14053799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1407209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 14083799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 14093162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1410f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 14113799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 141306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 14155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1416e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 14175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14199f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 14209f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 14219f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1422d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1423d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 14245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1428e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 14295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1431d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1432d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 14335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14379dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 14389dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 14399dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14409dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 14419dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 14429dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 14439dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 14449dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 14459dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 14469dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14471970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 14481970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 14491970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 14501970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14511970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 14521970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 14531970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 14541970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14551970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14566c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 14571970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 14581970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 14605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 14615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 14625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 14646af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel createDebugInfoProbe(); 14655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14661336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1467d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1468d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14699dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14709dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14719dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14729dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1479448d27cd795dc273249f123444509403f4fa4facDevang Patel 14801997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1481ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1482ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1483962bad70f4277841cf6278306caa93ebce304b48Benjamin Kramer dbgs().indent(Offset*2) << "FunctionPass Manager\n"; 1484ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1485ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 14868a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman FP->dumpPassStructure(Offset + 1); 1487ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1488ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1489ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1490ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1491ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 149295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 149395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1494448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1496f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1497f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1498214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1499214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 15001fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1501bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1502bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 15031fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 15041554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15051554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 150616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15071554c8545651350569f08dc7370189da1a7e5814Devang Patel 150893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 15090dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1510693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15111554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 15126af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel if (TheDebugProbe) 15136af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel TheDebugProbe->initialize(FP, F); 1514d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1515d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1516a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1517d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 151816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1519d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 15206af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel if (TheDebugProbe) 15216af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel TheDebugProbe->finalize(FP, F); 1522693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 152316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 152416b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 152593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 15260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1527693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 152858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 15291554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 15301554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 153193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1532214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1533214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1534214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1535214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 15365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 15375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 15385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1539d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 15407df4f963ea29284f6b2748c78ff658dc4ab36351Bill Wendling Changed |= runOnFunction(*I); 15415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 154247eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 15435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 15445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1545e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 15463799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15473799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1548d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1549d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 15503799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15513799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15523799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15533799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1554e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 15553799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15563799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1557d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1558d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 15593799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15603799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15613799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15623799f97d539f6c288d169063e1b335917fafcffbDevang Patel 156306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 15645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 156592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 156695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 156795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 156892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 156992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 157192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1572c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15761970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15781970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15791970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15801970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15811554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15821554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 158316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15841554c8545651350569f08dc7370189da1a7e5814Devang Patel 158569cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15860dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1587693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15881554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1590d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1591d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1592a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1593a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 159416b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1595d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1596693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 159716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 159816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 159997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 160069cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 16010dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 160295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 160358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 16041554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 16051554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 160669cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 160792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 16081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 16091970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 16101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 16111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 16121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 16131970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 16141970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 16151970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 16161970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 16171970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 16181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 161992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 162092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 162192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1622569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1623569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1624569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1625569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1626f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1627f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 162895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1629f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1630f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1631569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1632dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 16330ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 16340e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FunctionPassManagerImpl(); 1635dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1636dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1637dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 16380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 16390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1640dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 16410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1642dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1643c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel if (RequiredPass) { 1644c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel SmallVector<Pass *, 1> LU; 1645c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel LU.push_back(RequiredPass); 1646c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel FPP->setLastUser(LU, P); 1647c67d184a2bd24ee827479db5556fbaaac0bc9507Devang Patel } 1648569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 16490ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 165095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 16510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 16520ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 165390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1654dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1655f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 165695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 16571970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1658dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 165977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 16600ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 16610ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 16620ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 166306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 166406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 166537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1666b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1667b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 16685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1669b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 16708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16716af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel createDebugInfoProbe(); 16728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1673c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 167545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16761336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1677d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1678d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1679b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1680b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 168206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 168306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 168406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16863162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16870e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM = new PassManagerImpl(); 1688dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1689dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16923162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 169337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 169437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 169537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1696e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1697e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1698e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid PassManager::addImpl(Pass *P) { 1699e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene PM->add(P); 1700e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1701e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 17025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 17035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 17045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 17055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1706f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 170790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void* PassID = P->getPassID(); 170890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1709e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1710e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 17115c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1712e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 17135c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 171490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1715e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1716e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 17175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 17185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 17195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 17205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1721f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 17225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 17235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 17245a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 17258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 17268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 17278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 17288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 17298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 17308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 17318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 17328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 17338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 17348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 17358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 17368e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 17378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 17388e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 17398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 17408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 17418e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 17428e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 17438e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 17448e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 17458e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 17468e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 17478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1748c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1749a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 175095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1751a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 17525c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1753c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1754c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 175509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 175609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 175709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 175836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 175909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 176009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 176109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 176209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 176309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 176409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 176509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 176609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 176709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 176809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1769c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1770f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 17710e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getDepth()==0 && "Pass Manager depth set too early"); 177209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1773f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 17740e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getPassManagerType() > this->top()->getPassManagerType() 17750e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 1776f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 177797149737f27457b0411e49af3e4539688e29848fDevang Patel 1778f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 177997149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 178097149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 17810e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(this->top()->getDepth()+1); 17820e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick } 17830e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick else { 17844a3d0a56eb497ad83c0adfe9ac27c569767b14e8Benjamin Kramer assert((PM->getPassManagerType() == PMT_ModulePassManager 17854a3d0a56eb497ad83c0adfe9ac27c569767b14e8Benjamin Kramer || PM->getPassManagerType() == PMT_FunctionPassManager) 17860e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 17870e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(1); 178897149737f27457b0411e49af3e4539688e29848fDevang Patel } 178997149737f27457b0411e49af3e4539688e29848fDevang Patel 179097149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 179197149737f27457b0411e49af3e4539688e29848fDevang Patel} 179209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 179397149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 179412376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 179512376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1796f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17973dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer dbgs() << (*I)->getAsPass()->getPassName() << ' '; 1798f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 179997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 18003dedf7e2c835fbd6137b10e5a47a3fc0947ac24dBenjamin Kramer dbgs() << '\n'; 180109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 180209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 180309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 180495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 180595df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1806bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 180709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 180895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 180944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 181044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 181144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 181244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 181309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 18146b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 18156b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 181609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1817bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 181844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 181909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 182009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 182295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1823be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1824bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 182509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18260938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 182777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 18286b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 18296b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 183009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 183195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 183209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 183309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 183477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 183577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 183677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 183777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 183877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 18399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 18409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 184197149737f27457b0411e49af3e4539688e29848fDevang Patel 18429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 18430e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FPPassManager(); 1844bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 184597149737f27457b0411e49af3e4539688e29848fDevang Patel 18469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 184997149737f27457b0411e49af3e4539688e29848fDevang Patel 18509d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 18519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 18520938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 18539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 18569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 185709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 18599d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 186009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 186109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 186395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1864be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1865bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 186677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 186709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 186897149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 186997149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 187095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 187177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 187277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 187377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 187477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 187577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 18769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 18779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 18789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 18800e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick BBP = new BBPassManager(); 18819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18829d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 188697149737f27457b0411e49af3e4539688e29848fDevang Patel 188797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 188897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1889e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1890531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 189409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 189709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 189809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1899580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1900