PassManager.cpp revision 0e122d1c2422285c872f68fc0ae1f7e5d2739572
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> 314520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 32b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 332bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 34c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 35ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 50e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5226426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 59e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 615c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 625c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenetypedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser> 635c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePassOptionList; 645c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 655c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene// Print IR out before/after specified passes. 665c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 675c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBefore("print-before", 68f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher llvm::cl::desc("Print IR before specified passes"), 69f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher cl::Hidden); 705c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 715c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 725c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfter("print-after", 73f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher llvm::cl::desc("Print IR after specified passes"), 74f607abdf7bd57d4c2fa0d47108b5ffa1a02cf699Eric Christopher cl::Hidden); 755c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 765c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 775c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBeforeAll("print-before-all", 785c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before each pass"), 795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 805c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 815c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfterAll("print-after-all", 825c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after each pass"), 835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 845c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 855c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a helper to determine whether to print IR before or 865c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after a pass. 875c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 8890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforeOrAfterPass(const void *PassID, 895c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene PassOptionList &PassesToPrint) { 9090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const llvm::PassInfo *PI = 9190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(PassID)) { 9290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) { 9390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const llvm::PassInfo *PassInf = PassesToPrint[i]; 9490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf) 9590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf->getPassArgument() == PI->getPassArgument()) { 9690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return true; 9790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 9890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 995c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 1005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return false; 1015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 10295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// before it. 10690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforePass(const void *PassID) { 10790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(PassID, PrintBefore); 1085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1095c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1105c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1115c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after it. 11290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintAfterPass(const void *PassID) { 11390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintAfterAll || ShouldPrintBeforeOrAfterPass(PassID, PrintAfter); 1145c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1155c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 11645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1189554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 1199554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 1209554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 1219554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 1229554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 1239554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1249554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1259554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1269554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 127d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 128d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 130d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 131d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 13295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 13495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 139d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 141d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 142d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 143d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 144ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 145d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 146ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 147d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 148ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 149d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 150ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 151ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 152ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 153ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 154ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 155d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 156d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 157d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 158c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1627e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 164c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 165c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1666726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 167c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 168c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1691997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 1700e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit BBPassManager() 1710e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick : PMDataManager(), FunctionPass(ID) {} 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 173c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 174c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 175c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 176c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 17766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 17866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 17966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 18066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 18166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 183964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 186964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1873660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 1883660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 1893660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 190e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1919769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 192e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 193e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 194ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 195ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 196170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1971554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1981554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1998a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman BP->dumpPassStructure(Offset + 1); 2001554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 201ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 202ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 2031554c8545651350569f08dc7370189da1a7e5814Devang Patel 2041554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 205f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 2061554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 2071554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 2081554c8545651350569f08dc7370189da1a7e5814Devang Patel } 20925919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 21095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 21195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_BasicBlockPassManager; 21225919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 213c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 214c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2151997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 216ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 2171554c8545651350569f08dc7370189da1a7e5814Devang Patel 218ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 2215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 2225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 2245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 22536bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 22636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 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 2951997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 29695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2977e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2997e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 301b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 302b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 3035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 304c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3051997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 3060e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit MPPassManager() : 3070e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager() { } 308693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 309693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 310693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 31195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 312693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 313693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 314dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 315693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 316693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 317693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 318693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 31995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3205c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3215c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3225c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3235c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 324c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 325c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 326c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 327be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 33066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 33166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 33266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 333569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 334569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 335569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 336569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 337569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 33895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// Return function pass corresponding to PassInfo PI, that is 3390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 34190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F); 3420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 343e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 344e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 345e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 346e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3473660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3483660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3493660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 350ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 351ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 352170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 3531554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3541554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 3558a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman MP->dumpPassStructure(Offset + 1); 35682c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 35782c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 35882c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 35982c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3601554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 361ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 362ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 363ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3641554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 365f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 366f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3671554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3681554c8545651350569f08dc7370189da1a7e5814Devang Patel 36995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 37095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_ModulePassManager; 37184da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3730ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3740ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3750ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 376dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 377c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3791997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3807e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3827e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 383794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 38636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 38736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3901997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 3910e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick explicit PassManagerImpl() : 3920e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick Pass(PT_PassManager, ID), PMDataManager(), 3930e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PMTopLevelManager(new MPPassManager()) {} 394f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 399877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 400e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 401877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 40295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 40395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 4045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 4055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 4065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 4075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 4085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 41266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 417b85b31b300295d3716832513a64165e3c637338aDan Gohman void addTopLevelPass(Pass *P) { 4185e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 419145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 420145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 421cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 422145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 423689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 424c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 425689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 426a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 427e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_ModulePassManager); 428145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 429eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 430eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4313660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4323660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 4333660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 435f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 4395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4411997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 442c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4438e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 444c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 445b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 446c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 4476af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel// DebugInfoProbe 4486af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel 4496af531febe488adb655c7e3de96c7c6bd6536eacDevang Patelstatic DebugInfoProbeInfo *TheDebugProbe; 4506af531febe488adb655c7e3de96c7c6bd6536eacDevang Patelstatic void createDebugInfoProbe() { 4516af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel if (TheDebugProbe) return; 4527ae0fbc2d072f87217d5302fcf0d91d2f3aa981fAndrew Trick 4537ae0fbc2d072f87217d5302fcf0d91d2f3aa981fAndrew Trick // Constructed the first time this is called. This guarantees that the 4547ae0fbc2d072f87217d5302fcf0d91d2f3aa981fAndrew Trick // object will be constructed, if -enable-debug-info-probe is set, 4556af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel // before static globals, thus it will be destroyed before them. 4566af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel static ManagedStatic<DebugInfoProbeInfo> DIP; 4576af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel TheDebugProbe = &*DIP; 4586af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel} 4596af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel 4606af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel//===----------------------------------------------------------------------===// 461d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 462d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 463d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 464d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 465f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4663c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 467f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4686726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 469a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 470c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 471c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 472c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 473c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 47495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 475c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 476c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 477a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 478a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 479a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 480a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 481a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 482c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 483c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 484c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 485c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 486c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 487c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 488c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 489c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 490a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 491a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 49295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (P->getAsPMDataManager()) 4935c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 494c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 495a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 496a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 497a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 498a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 4990d2725ad696afb60c86076469031783669809739Chris Lattner return T; 500c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 501c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 502c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 503c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 504c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 505844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 506844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 50706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5108f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 5117578ea887de6a7cb22c324b629101683a0afb3c5Dan GohmanPMTopLevelManager::PMTopLevelManager(PMDataManager *PMDM) { 5127578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMDM->setTopLevelManager(this); 5137578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman addPassManager(PMDM); 5147578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman activeStack.push(PMDM); 5158f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 5168f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 5171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 518568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohmanvoid 519568a63db96ea59b988c916a7777db7e3e39352b1Dan GohmanPMTopLevelManager::setLastUser(const SmallVectorImpl<Pass *> &AnalysisPasses, 520568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman Pass *P) { 521e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned PDepth = 0; 522e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 523e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser PDepth = P->getResolver()->getPMDataManager().getDepth(); 524e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 525568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = AnalysisPasses.begin(), 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 52995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 530d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 531d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 532d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 533e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // Update the last users of passes that are required transitive by AP. 534e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisUsage *AnUsage = findAnalysisUsage(AP); 535e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 536e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastUses; 537e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastPMUses; 538e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 539e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser E = IDs.end(); I != E; ++I) { 540e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser Pass *AnalysisPass = findAnalysisPass(*I); 541e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AnalysisPass && "Expected analysis pass to exist."); 542e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisResolver *AR = AnalysisPass->getResolver(); 543e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AR && "Expected analysis resolver to exist."); 544e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned APDepth = AR->getPMDataManager().getDepth(); 545e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 546e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (PDepth == APDepth) 547e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastUses.push_back(AnalysisPass); 548e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser else if (PDepth > APDepth) 549e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastPMUses.push_back(AnalysisPass); 550e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser } 551e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 552e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastUses, P); 553e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 554e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // If this pass has a corresponding pass manager, push higher level 555e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // analysis to this pass manager. 556e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 557e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastPMUses, P->getResolver()->getPMDataManager().getAsPass()); 558e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 559e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 562721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 565721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 566e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // this is just updating existing entries. 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 573ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMTopLevelManager::collectLastUses(SmallVectorImpl<Pass *> &LastUses, 574721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 57595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 576721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 577721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 578721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 579721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 580721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 581721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 582721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 583721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 584721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 585721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5883b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5903b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 59195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5923b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5933b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5953b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5963b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5973b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5983b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5993b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 6003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 6021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 6031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 6041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 6051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6069d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 6079d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 6081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 60922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 61022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 61122a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 6121cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 6131cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 6141cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 61590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 61690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 61790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 618641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 619c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 620641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 6211cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 6223b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 6233b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 624488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 625488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 626488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 62795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 628488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 629488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 630488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 63195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 632488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 633488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 63490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 635c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected required passes to be initialized"); 63690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 637488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 638488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 639488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 640488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 641488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 642488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 643488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 644488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 6453620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Recheck analysis passes to ensure that required analyses that 646488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 647488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 648488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 649488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 65095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 651488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 652488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 653488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 666d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 667ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 6687c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = PassManagers.end(); I != E; ++I) 6697c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6707c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 671d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 672d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 6739b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 674f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 6757c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = IndirectPassManagers.end(); I != E; ++I) 6767c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6777c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 6787c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman 6797c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // Check the immutable passes. Iterate in reverse order so that we find 6807c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // the most recently registered passes first. 6817c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (SmallVector<ImmutablePass *, 8>::reverse_iterator I = 6827c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman ImmutablePasses.rbegin(), E = ImmutablePasses.rend(); I != E; ++I) { 68390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6857c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6887c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const PassInfo *PassInf = 6897c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassRegistry::getPassRegistry()->getPassInfo(PI); 690c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PassInf && "Expected all immutable passes to be initialized"); 6917c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const std::vector<const PassInfo*> &ImmPI = 6927c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassInf->getInterfacesImplemented(); 6937c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 6947c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman EE = ImmPI.end(); II != EE; ++II) { 6957c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if ((*II)->getTypeInfo() == AID) 6967c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 7007c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return 0; 7011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 7021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 703ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 704a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 705ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 70626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 7075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 7085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 709ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 710ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 7118a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman ImmutablePasses[i]->dumpPassStructure(0); 712ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 71395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7148a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // Every class that derives from PMDataManager also derives from Pass 7158a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 7168a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // between PMDataManager and Pass, so we have to getAsPass to get 7178a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // from a PMDataManager* to a Pass*. 71878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 719ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 7208a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->getAsPass()->dumpPassStructure(1); 721ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 722ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 723a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 724c32cf54101ecaf336d161fecd58667870149169cDevang Patel 72526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 726c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 727c32cf54101ecaf336d161fecd58667870149169cDevang Patel 728170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 72967a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman for (SmallVector<ImmutablePass *, 8>::const_iterator I = 73067a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 73167a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (const PassInfo *PI = 732c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) { 733c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick assert(PI && "Expected all immutable passes to be initialized"); 73467a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (!PI->isAnalysisGroup()) 73567a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman dbgs() << " -" << PI->getPassArgument(); 736c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 73778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 738d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 739d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 740170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 741c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 742c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7431336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 7449b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 745d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 746d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 74795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7481336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 7499b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 75095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 75195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7521336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 753721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 754f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 755721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 75695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 757721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 758721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 759721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 760721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 761721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 762721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 763721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 764721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 765721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7661336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7671336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 768ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 769ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 7709b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 771ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 772ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 77395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7749b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<ImmutablePass *>::iterator 775ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 776ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7773b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 779f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 780f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 781ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 782ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 784419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 785889739c4d188d28c167644bced9df0f3131317d7Devang Patel 786b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 787f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 78890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 78995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 790f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 79195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7929e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 793b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 79495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 79595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 79690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 79790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 79890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 7992dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 80090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 801b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 802b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 8037b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 8047b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 8057b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 8063b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8073b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 8087b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 80995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8103b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 8119b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(), 8127b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 8137b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 8145e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 81597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 81695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 817d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 818d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 8197b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 82095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 8217b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 8227b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 8237b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 824e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 82558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 826e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 827e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 828e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 829e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 8303b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8313b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 83214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 8339750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 834fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 83558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 83658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 8379450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 838a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 8399450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 8409450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 8415b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 8425b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 8435b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 844844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 84558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 8463b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8473b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 84804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 84904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 8503b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 851b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 85254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8531a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8545e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 85595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 856e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 85714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 858e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 859e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 860170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 861170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 862e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 863e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 864e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 86514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 86695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 867fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 868fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 869fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 870fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 871fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 872fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 873fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 87495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 875fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 876fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 877fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8785e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 87995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8801f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 881fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8821f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8831f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 884170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 885170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8861f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 887d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8881f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 889fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 890fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 891889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 892889739c4d188d28c167644bced9df0f3131317d7Devang Patel 893df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8942928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 8957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 896f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 897edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 899693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 9000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 9010ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 9020ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 903f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 904f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 9058fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 906170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 907170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 908170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 9097c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 9107c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 9119b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(), 91227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 91327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 91427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 9154eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 9162928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 91727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 91827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 9194eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 92027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 92127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 92227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 923a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 924a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 92527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 92627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 927617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 92890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 92990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 93027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 93127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 932617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 93327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 93427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 93590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 9362dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 93727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 93890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 93927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 94027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 941617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 942f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 943df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 944df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 94595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 946893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 947f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 948145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 949145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 950cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 951145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 952145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 953cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 954cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 955edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 956cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 957f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 958f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 959f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 960f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 961f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 962569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 963f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 967cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 968f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 969f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 97095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 971f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 9729b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = RequiredPasses.begin(), 973f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 974f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 975f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 976f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 977f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 978f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 979f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 980f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 981f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 982f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 983f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 984f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 985f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 986f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 987f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 98895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 9897a2bdde0a0eebcd2125055e0eacaca040f0b766cChris Lattner llvm_unreachable("Unable to accommodate Required Pass"); 990f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 991f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 992f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 993f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 994f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 9953660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 996f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 997f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 998f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 999f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 10003660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 1001f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 1002f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 1003f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 10040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 10053620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Now, take care of required analyses that are not available. 10069b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<AnalysisID>::iterator 100795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 1008f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 100990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 101090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 1011f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 1012893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 1013e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1014f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 1015f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 1016f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 1017f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 1018f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 1019e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 1020e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 1021e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 1022e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1023569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1024569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 1025569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 1026569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 1027ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMDataManager::collectRequiredAnalysis(SmallVectorImpl<Pass *> &RP, 1028ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman SmallVectorImpl<AnalysisID> &RP_NotAvail, 1029569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 10303b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10313b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 103295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 1033f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 1034569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 103595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1036569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1037f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 1038c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 103927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 10403b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 1041fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 104227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 1043569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 104495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1045569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1046f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 104727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 1048c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 1049c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 10502f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10512f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1055419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1058fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 106169867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1063f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1064f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1065f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1066cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1067f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1068298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10692f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 107269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 107369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 107469867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 107569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 107669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 107769867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 107869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 107969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 108069867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 108169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 108269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 108369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 108469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 108595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10865b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 108769867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 108869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1089a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1090a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1091a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1092edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1093693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1094693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1095693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1096693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1097693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1098a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 109995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1100ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(), 1101a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1102170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 11038a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->dumpPassStructure(0); 1104a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1105a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1106a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1107a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1108ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = PassVector.begin(), 1109a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 11103660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1111a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1112a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 111390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 111490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1115a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1116170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1117a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1118a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1119a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1120417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1121417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 11222928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 112326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1124a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1125170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 11267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 11277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1128170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 11297f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1131170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 11327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1134170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 11357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 11397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 11407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1141170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 11427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1144170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 11457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1147170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 11487f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 114965513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser case ON_REGION_MSG: 115065513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser dbgs() << "' on Region '" << Msg << "'...\n"; 115165513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser break; 11527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1153170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11557f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1156170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11577f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11587f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1161a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1162a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1163d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11650dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 116695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11670dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11680dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11690dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1172d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11740dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 117595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11760dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11770dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11780dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11790dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11800dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11812928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1182d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11830dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11840dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1186170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1187d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1188170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 118990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 1190c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick if (!PInf) { 1191c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // Some preserved passes, such as AliasAnalysis, may not be initialized by 1192c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick // all drivers. 1193c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick dbgs() << " Uninitialized Pass"; 1194c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick continue; 1195c5d93bb5c847006fa2a4319de605e1fe5c00839eAndrew Trick } 119690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1197d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1198170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1199a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1200f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 120119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 120219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 120319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 120419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 120519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 120619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 120719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 120819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 120919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 12101cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 121195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 121295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 121395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 12141cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 12151cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 12161cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 12171cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 121895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 12191cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1220c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1221170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1222170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1223c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1224c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 122519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 122619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 122790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 1228e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman assert(0 && "Unable to find on the fly pass"); 1229e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman return NULL; 1230e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman} 1231e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman 1232ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1233ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 1234ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = PassVector.begin(), 1235ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1236ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1237ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1238ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1239f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1240f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 12411465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 12421465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1243f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1244f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1245f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 124695df619a4074315dfba4f66cee9a5f16529c088dDan GohmanPass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI, 12476b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 12486b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 12496b1df0e863963929634d769f39cbce68f030f051Devang Patel} 12506b1df0e863963929634d769f39cbce68f030f051Devang Patel 125106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 125355fd43f90913676682487f89f27c756adb827f66Devang Patel 125495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 125595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnBasicBlock method. Keep track of whether any of the passes modifies 125655fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1257d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 12585cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 12591fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12601fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12613b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1262c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 126355fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 12641554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12651554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 126616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1267017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 126893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 12690dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1270017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12711554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1272693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1273d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1274d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1275d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1276a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1277a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 127816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1279d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1280693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 128116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 128295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (LocalChanged) 128397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 128493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1286693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 128758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12881554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12891554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 129093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 129155fd43f90913676682487f89f27c756adb827f66Devang Patel } 1292fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 129347eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 129455fd43f90913676682487f89f27c756adb827f66Devang Patel} 129555fd43f90913676682487f89f27c756adb827f66Devang Patel 1296964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1297e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1298964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1299964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1300d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1301d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1302964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1303964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1304964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1305964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1306e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1307964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1308964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1309d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1310d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1311964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1312964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1313964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1314964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1315e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1316964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1317964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13181554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13191554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1320964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1321964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1322964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1323964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1324964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1325964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1326e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1327964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1328964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13291554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13301554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1331964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1332964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1333964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1334964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1335964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1336964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1337964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 133806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13393162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 134006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1341c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1342f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 13430e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPM = new FunctionPassManagerImpl(); 1344dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1345dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1346b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 134759ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1348b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1349cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1350cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 13513162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 135237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 135337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 135437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1355e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1356e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1357e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid FunctionPassManager::addImpl(Pass *P) { 1358e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene FPM->add(P); 1359e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1360e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1361c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1362c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1363c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1364c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1365c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 136695df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 1367e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene // If this is a not a function pass, don't add a printer for it. 136890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void *PassID = P->getPassID(); 1369e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 137090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1371e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1372e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 13735c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1374e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 1375e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1376e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 137790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1378e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1379e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 1380c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1381c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1382214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1383214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1384214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1385214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13863162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1387c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1388c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1389f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13901bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1391214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1392c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1393214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1394214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1395214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13963799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13973799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13983162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1399f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 14003799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14013799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1402209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 14033799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 14043162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1405f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 14063799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14073799f97d539f6c288d169063e1b335917fafcffbDevang Patel 140806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 14105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1411e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 14125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14149f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 14159f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 14169f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1417d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1418d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 14195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1423e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 14245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1426d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1427d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 14285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14329dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 14339dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 14349dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14359dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 14369dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 14379dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 14389dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 14399dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 14409dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 14419dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14421970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 14431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 14441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 14451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14461970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 14471970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 14481970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 14491970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14501970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14516c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 14521970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 14531970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 14555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 14565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 14575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 14596af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel createDebugInfoProbe(); 14605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14611336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1462d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1463d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14649dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14659dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14669dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14679dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1474448d27cd795dc273249f123444509403f4fa4facDevang Patel 14751997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1476ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1477ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1478170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1479ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1480ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 14818a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman FP->dumpPassStructure(Offset + 1); 1482ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1483ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1484ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1485ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1486ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 148795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 148895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1489448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1491f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1492f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1493214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1494214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14951fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1496bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1497bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14981fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14991554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15001554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 150116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15021554c8545651350569f08dc7370189da1a7e5814Devang Patel 150393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 15040dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1505693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15061554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 15076af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel if (TheDebugProbe) 15086af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel TheDebugProbe->initialize(FP, F); 1509d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1510d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1511a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1512d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 151316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1514d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 15156af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel if (TheDebugProbe) 15166af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel TheDebugProbe->finalize(FP, F); 1517693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 151816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 151916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 152093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 15210dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1522693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 152358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 15241554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 15251554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 152693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1527214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1528214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1529214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1530214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 15315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 15325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 15335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1534d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 15357df4f963ea29284f6b2748c78ff658dc4ab36351Bill Wendling Changed |= runOnFunction(*I); 15365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 153747eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 15385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 15395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1540e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 15413799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15423799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1543d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1544d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 15453799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15463799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15473799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15483799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1549e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 15503799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15513799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1552d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1553d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 15543799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15553799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15563799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15573799f97d539f6c288d169063e1b335917fafcffbDevang Patel 155806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 15595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 156092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 156195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 156295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 156392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 156492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 156692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1567c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15691970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15701970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15761554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15771554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 157816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15791554c8545651350569f08dc7370189da1a7e5814Devang Patel 158069cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15810dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1582693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15831554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1585d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1586d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1587a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1588a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 158916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1590d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1591693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 159216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 159316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 159497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 159569cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 15960dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 159795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 159858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15991554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 16001554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 160169cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 160292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 16031970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 16041970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 16051970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 16061970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 16071970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 16081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 16091970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 16101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 16111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 16121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 16131970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 161492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 161592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 161692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1617569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1618569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1619569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1620569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1621f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1622f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 162395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1624f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1625f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1626569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1627dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 16280ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 16290e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FunctionPassManagerImpl(); 1630dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1631dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1632dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 16330ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 16340ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1635dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 16360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1637dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 16388de206c10142c91b19eb5dcacfb0da97747dfb01Dan Gohman SmallVector<Pass *, 1> LU; 1639dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1640dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1641569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 16420ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 164395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 16440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 16450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 164690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1647dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1648f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 164995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 16501970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1651dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 165277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 16530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 16540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 16550ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 165606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 165706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 165837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1659b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1660b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 16615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1662b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 16638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16646af531febe488adb655c7e3de96c7c6bd6536eacDevang Patel createDebugInfoProbe(); 16658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1666c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 166845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16691336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1670d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1671d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1672b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1673b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 167506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 167606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 167706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16793162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16800e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM = new PassManagerImpl(); 1681dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1682dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16853162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 168637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 168737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 168837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1689e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1690e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1691e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid PassManager::addImpl(Pass *P) { 1692e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene PM->add(P); 1693e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1694e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 16955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 16965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 16975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 16985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1699f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 170090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void* PassID = P->getPassID(); 170190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1702e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1703e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 17045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1705e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 17065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 170790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1708e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1709e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 17105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 17115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 17125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 17135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1714f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 17155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 17165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 17175a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 17188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 17198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 17208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 17218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 17228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 17238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 17248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 17258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 17268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 17278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 17288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 17298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 17308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 17318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 17328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 17338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 17348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 17358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 17368e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 17378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 17388e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 17398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 17408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1741c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1742a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 174395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1744a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 17455c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1746c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1747c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 174809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 174909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 175009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 175136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 175209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 175309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 175409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 175509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 175609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 175709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 175809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 175909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 176009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 176109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1762c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1763f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 17640e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getDepth()==0 && "Pass Manager depth set too early"); 176509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1766f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 17670e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getPassManagerType() > this->top()->getPassManagerType() 17680e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 1769f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 177097149737f27457b0411e49af3e4539688e29848fDevang Patel 1771f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 177297149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 177397149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 17740e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(this->top()->getDepth()+1); 17750e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick } 17760e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick else { 17770e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick assert(PM->getPassManagerType() == PMT_ModulePassManager 17780e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick || PM->getPassManagerType() == PMT_FunctionPassManager 17790e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick && "pushing bad pass manager to PMStack"); 17800e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick PM->setDepth(1); 178197149737f27457b0411e49af3e4539688e29848fDevang Patel } 178297149737f27457b0411e49af3e4539688e29848fDevang Patel 178397149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 178497149737f27457b0411e49af3e4539688e29848fDevang Patel} 178509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 178697149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 178712376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 178812376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1789f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17903660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner printf("%s ", (*I)->getAsPass()->getPassName()); 1791f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 179297149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1793fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 179409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 179509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 179609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 179795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 179895df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1799bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 180009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 180195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 180244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 180344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 180444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 180544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 180609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 18076b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 18086b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 180909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1810bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 181144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 181209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 181309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 181595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1816be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1817bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 181809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18190938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 182077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 18216b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 18226b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 182309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 182495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 182509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 182609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 182777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 182877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 182977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 183077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 183177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 18329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 18339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 183497149737f27457b0411e49af3e4539688e29848fDevang Patel 18359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 18360e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick FPP = new FPPassManager(); 1837bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 183897149737f27457b0411e49af3e4539688e29848fDevang Patel 18399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 184297149737f27457b0411e49af3e4539688e29848fDevang Patel 18439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 18449d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 18450938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 18469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18479d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18489d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 18499d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 185009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 18529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 185309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 185409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 185695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1857be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1858bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 185977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 186009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 186197149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 186297149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 186395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 186477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 186577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 186677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 186777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 186877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 18699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 18709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 18719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 18730e122d1c2422285c872f68fc0ae1f7e5d2739572Andrew Trick BBP = new BBPassManager(); 18749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 187997149737f27457b0411e49af3e4539688e29848fDevang Patel 188097149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 188197149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1882e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1883531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 188709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 189009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 189109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1892580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1893