PassManager.cpp revision 95df619a4074315dfba4f66cee9a5f16529c088d
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 164afefdec65f198fad803fa8f9f994663488dd608Dan Gohman#include "llvm/PassManager.h" 175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Assembly/PrintModulePass.h" 189450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 1945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 20170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 21c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2255fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 23ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 255c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Support/PassNameParser.h" 26d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 27f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 28e3cd5ca7e79f4359e8a101c211fc9c117eb62347Owen Anderson#include "llvm/System/Threading.h" 29ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 304520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 31b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 322bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 33c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 34ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5126426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 605c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 615c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenetypedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser> 625c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePassOptionList; 635c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 645c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene// Print IR out before/after specified passes. 655c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 665c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBefore("print-before", 675c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before specified passes")); 685c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 695c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 705c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfter("print-after", 715c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after specified passes")); 725c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 735c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 745c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBeforeAll("print-before-all", 755c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before each pass"), 765c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 775c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 785c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfterAll("print-after-all", 795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after each pass"), 805c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 815c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 825c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a helper to determine whether to print IR before or 835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after a pass. 845c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 8590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforeOrAfterPass(const void *PassID, 865c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene PassOptionList &PassesToPrint) { 8790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const llvm::PassInfo *PI = 8890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(PassID)) { 8990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) { 9090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const llvm::PassInfo *PassInf = PassesToPrint[i]; 9190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf) 9290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf->getPassArgument() == PI->getPassArgument()) { 9390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return true; 9490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 9590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 965c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 975c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return false; 985c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 9995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// before it. 10390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforePass(const void *PassID) { 10490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(PassID, PrintBefore); 1055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after it. 10990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintAfterPass(const void *PassID) { 11090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintAfterAll || ShouldPrintBeforeOrAfterPass(PassID, PrintAfter); 1115c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1125c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 11345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1159554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 1169554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 1179554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 1189554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 1199554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 1209554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1219554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1229554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1239554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 124d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 125d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 126d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 127d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 128d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 12995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 130d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 13195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 132d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 139d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 141ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 142d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 143ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 144d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 145ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 146d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 147ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 148ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 149ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 150ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 151ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 152d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 153d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 154d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 155c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1573f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1597e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 161c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 162c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1636726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 164c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 165c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1661997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 16795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman explicit BBPassManager(int Depth) 16890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson : PMDataManager(Depth), FunctionPass(ID) {} 169c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 170c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 173c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 17466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 17566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 17666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 17766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 17866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 179964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 180964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 183964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1843660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 1853660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 1863660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 187e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1889769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 189e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 190e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 191ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 192ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 193170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1941554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1951554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1961554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1971554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 198ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 199ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 2001554c8545651350569f08dc7370189da1a7e5814Devang Patel 2011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 202f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 2031554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 2041554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 2051554c8545651350569f08dc7370189da1a7e5814Devang Patel } 20625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 20795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 20895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_BasicBlockPassManager; 20925919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 210c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 211c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2121997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 213ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 2141554c8545651350569f08dc7370189da1a7e5814Devang Patel 215ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 2215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 22236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 22336bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2241970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 2251970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 2265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 2271997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 22895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman explicit FunctionPassManagerImpl(int Depth) : 22995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman Pass(PT_PassManager, ID), PMDataManager(Depth), 2301970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin PMTopLevelManager(TLM_Function), wasRun(false) { } 2315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 2365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 2375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 2385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 23995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 24095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a function printer pass. 2415c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 2425c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintFunctionPass(Banner, &O); 2435c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 2445c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 2451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 2461970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 2471970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 2481970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 2495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 2515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 2525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 25695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 257209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 2605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 26195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2623660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 2633660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 2643660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 2655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 2715e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 2725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 274cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 279a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 280e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_FunctionPassManager); 2815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 282a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 286f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 290c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 291c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2921997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 29395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2947e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2967e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 298b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 299b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 3005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 301c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3021997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 303cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 30490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass(PT_PassManager, ID), PMDataManager(Depth) { } 305693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 306693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 307693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 30895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 309693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 310693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 311dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 312693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 313693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 314693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 315693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 31695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3185c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3195c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3205c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 321c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 322c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 323c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 324be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 330569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 331569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 332569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 333569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 334569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 33595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// Return function pass corresponding to PassInfo PI, that is 3360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 33890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F); 3390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 340e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 341e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 342e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 343e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3443660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3453660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3463660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 347ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 348ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 349170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 3501554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3511554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 3521554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 35382c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 35482c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 35582c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 35682c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3571554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 358ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 359ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 360ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3611554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 362f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 363f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3641554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3651554c8545651350569f08dc7370189da1a7e5814Devang Patel 36695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 36795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_ModulePassManager; 36884da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3710ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 373dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 375c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3761997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3777e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3797e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 380794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 38336bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 38436bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3871997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 388cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 38990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass(PT_PassManager, ID), PMDataManager(Depth), 39095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman PMTopLevelManager(TLM_Pass) { } 391f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 396877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 397e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 398877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 39995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 40095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 4015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 4025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 4035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 4045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 4055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 40966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 414eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 4155e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 416145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 417145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 418cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 419145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 420689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 421c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 422689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 423a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 424e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_ModulePassManager); 425145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 426eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 427eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4283660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4293660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 4303660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 432f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 4365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4381997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 439c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4408e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 441c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 442b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 443c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 444d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 445d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 446d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 447d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 448f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4493c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 450f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4516726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 452a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 453c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 454c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 455c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 456c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 45795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 458c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 459c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 460a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 461a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 462a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 463a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 464a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 465c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 466c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 467c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 468c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 469c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 470c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 471c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 472c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 473a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 474a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 47595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (P->getAsPMDataManager()) 4765c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 477c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 478a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 479a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 480a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 481a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 4820d2725ad696afb60c86076469031783669809739Chris Lattner return T; 483c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 484c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 485c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 486c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 487c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 488844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 489844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 49006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4938f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 494d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4958f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4968f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4978f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4988f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4998f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 500d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 5018f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 5028f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 5038f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 5048f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 50595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } 5068f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 5078f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 50995df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 5101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 511edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 5121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 51595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 516d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 517d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 518d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 521721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 524721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 525721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 532edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 533721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 53495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 535721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 536721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 537721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 538721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 539721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 540721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 541721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 542721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 543721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 544721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5473b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5483b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5493b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 55095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5513b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5533b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 5593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 56822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 56922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 57022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5711cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5721cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5731cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 57490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 57590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 57690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 577641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 578c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 579641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5801cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5813b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 583488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 584488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 585488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 58695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 587488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 588488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 589488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 59095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 591488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 592488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 59390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 59490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 595488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 596488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 597488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 598488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 599488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 600488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 601488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 602488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 603488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 604488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 605488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 606488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 607488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 60895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 609488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 610488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 611488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 625d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 62678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 627d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 6280961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 629d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 630d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 631d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 632d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 633f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 634f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 635d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 636d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 637d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 63878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 6391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 64090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 64690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PassInf = 64790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(PI); 6482dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson const std::vector<const PassInfo*> &ImmPI = 64990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassInf->getInterfacesImplemented(); 65090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 65190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson EE = ImmPI.end(); II != EE; ++II) { 65290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if ((*II)->getTypeInfo() == AID) 65390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson P = *I; 65490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 6551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 661ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 662a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 663ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 66426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 6655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 6665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 667ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 668ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 669ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 670ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 67195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 6720961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 6730961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 6743660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner // between PMDataManager and Pass, so we have to getAsPass to get 6750961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 67678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 677ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 6783660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner (*I)->getAsPass()->dumpPassStructure(1); 679ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 680ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 681a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 682c32cf54101ecaf336d161fecd58667870149169cDevang Patel 68326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 684c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 685c32cf54101ecaf336d161fecd58667870149169cDevang Patel 686170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 68778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 688d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 689d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 690170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 691c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 692c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6931336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 69478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 695d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 696d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 69795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 6981336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 69995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (SmallVector<PMDataManager *, 8>::iterator 70095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 70195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7021336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 703721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 704f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 705721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 70695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 707721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 708721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 709721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 710721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 711721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 712721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 713721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 714721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 715721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7161336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7171336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 718ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 719ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 72078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 721ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 722ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 72395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 72478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 725ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 726ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7273b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 729f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 730f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 731ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 732ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 734419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 735889739c4d188d28c167644bced9df0f3131317d7Devang Patel 736b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 737f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 73890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 73995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 740f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 74195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7429e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 743b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 74495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 74595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 74690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 74790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 74890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 7492dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 75090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 751b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 752b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 7537b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 7547b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 7557b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 7563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 7587b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 75995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 76178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 7627b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 7637b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 7645e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 76597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 76695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 767d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 768d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 7697b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 77095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 7727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 7737b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 774e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 77558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 776e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 777e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 778e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 779e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 7803b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7813b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 78214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 7839750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 784fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 78558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 78658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 7879450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 788a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 7899450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 7909450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 7915b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7925b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7935b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 794844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 79558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7963b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7973b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 79804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 79904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 8003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 801b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 80254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8031a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8045e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 80595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 806e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 80714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 808e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 809e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 810170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 811170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 812e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 813e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 814e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 81514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 81695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 817fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 818fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 819fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 820fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 821fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 822fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 823fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 82495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 825fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 826fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 827fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8285e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 82995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8301f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 831fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8321f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8331f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 834170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 835170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8361f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 837d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8381f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 839fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 840fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 841889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 842889739c4d188d28c167644bced9df0f3131317d7Devang Patel 843df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8442928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 8457f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 846f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 847edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 849693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8520ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 853f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 854f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8558fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 856170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 857170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 858170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 8597c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8607c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 861edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 86227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 86327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 86427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 8654eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8662928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 86727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 86827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 8694eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 87027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 87127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 87227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 873a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 874a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 87527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 87627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 877617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 87890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 87990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 88027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 88127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 882617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 88327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 88427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 88590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 8862dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 88727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 88890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 88927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 89027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 891617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 892f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 893df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 894df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 89595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 896893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 897f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 898145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 899145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 900cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 901145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 902145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 903cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 904cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 905edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 906cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 907f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 908f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 909f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 910f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 911f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 912569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 913f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 914f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 915f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 916f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 917cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 918f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 919f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 92095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 921f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 922f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 923f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 924f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 925f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 926f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 927f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 928f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 929f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 930f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 931f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 932f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 933f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 934f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 935f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 936f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 937f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 93895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 939c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 940f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 941f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 942f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 943f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 944f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 9453660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 946f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 947f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 948f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 949f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 9503660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 951f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 952f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 953f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 955f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 95695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (SmallVector<AnalysisID, 8>::iterator 95795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 958f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 95990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 96090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 961f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 962893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 963e253385b108cd946b1ac150302f246d3b218be77Devang Patel 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 967f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 968f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 969e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 970e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 971e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 972e253385b108cd946b1ac150302f246d3b218be77Devang Patel 973569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 974569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 975569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 976569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 977569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 978569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 979569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9803b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9813b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 98295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 983f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 984569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 98595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 986569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 987f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 988c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 98927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9903b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 991fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 99227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 993569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 99495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 995569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 996f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 99727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 998c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 999c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 10002f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1005419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10063b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10073b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1008fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10093b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10103b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 101169867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1013f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1014f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1015f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1016cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1017f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1018298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10192f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10202f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10212f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 102269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 102369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 102469867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 102569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 102669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 102769867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 102869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 102969867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 103069867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 103169867b511c732a7fac7301977bd6e880e46439f1Devang Patel 103269867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 103369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 103469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 103595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10365b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 103769867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 103869867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1039a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1040a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1041a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1042edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1043693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1044693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1045693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1046693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1047693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1048a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 104995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1050edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 1051a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1052170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 1053a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 1054a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1055a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1056a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1057a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1058f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 1059a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 10603660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1061a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1062a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 106390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 106490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1065a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1066170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1067a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1068a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1069a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1070417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1071417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 10722928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 107326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1074a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1075170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 10767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10777f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1078170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 10797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1081170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 10827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10837f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1084170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 10857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10877f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1091170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 10927f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1094170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 10957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1097170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 10987f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1100170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11017f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1103170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11047f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1108a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1109a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1110d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11110dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11120dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 111395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11140dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11150dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11160dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11170dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11180dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1119d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11210dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 112295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11230dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11270dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11282928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11300dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11310dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11320dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1133170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1135170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 113690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 113790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1139170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1140a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1141f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 114219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 114319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 114419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 114519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 114619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 114719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 114819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 114919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 115019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 11511cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 115295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 115395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 115495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 11551cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 11561cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 11571cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11581cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 115995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 11601cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1161c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1162170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1163170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1164c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1165c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 116619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 116719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 116890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 1169e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman assert(0 && "Unable to find on the fly pass"); 1170e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman return NULL; 1171e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman} 1172e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman 1173ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1174ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 117578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1176ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1177ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1178ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1179ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1180f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1181f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11821465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11831465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1184f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1185f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1186f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 118795df619a4074315dfba4f66cee9a5f16529c088dDan GohmanPass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI, 11886b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11896b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11906b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11916b1df0e863963929634d769f39cbce68f030f051Devang Patel 119206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 119455fd43f90913676682487f89f27c756adb827f66Devang Patel 119595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 119695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnBasicBlock method. Keep track of whether any of the passes modifies 119755fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1198d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11995cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 12001fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12011fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12023b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1203c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 120455fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 12051554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12061554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 120716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1208017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 120993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 12100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1211017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12121554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1213693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1214d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1215d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1216d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1217a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1218a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 121916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1220d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1221693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 122216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 122395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (LocalChanged) 122497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 122593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1227693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 122858e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12291554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12301554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 123193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 123255fd43f90913676682487f89f27c756adb827f66Devang Patel } 1233fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 123447eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 123555fd43f90913676682487f89f27c756adb827f66Devang Patel} 123655fd43f90913676682487f89f27c756adb827f66Devang Patel 1237964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1238e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1239964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1240964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1241d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1242d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1243964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1244964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1245964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1246964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1247e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1248964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1249964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1250d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1251d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1252964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1253964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1254964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1255964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1256e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1257964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1258964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12591554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12601554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1261964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1262964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1263964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1264964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1265964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1266964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1267e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1268964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1269964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12701554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12711554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1272964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1273964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1274964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1275964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1276964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1277964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1278964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 127906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12803162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 128106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1282c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1283f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 12845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1285dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1286dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1287b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 128859ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1289b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1290cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1291cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12923162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 129337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 129437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 129537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1296e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1297e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1298e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid FunctionPassManager::addImpl(Pass *P) { 1299e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene FPM->add(P); 1300e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1301e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1302c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1303c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1304c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1305c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1306c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 130795df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 1308e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene // If this is a not a function pass, don't add a printer for it. 130990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void *PassID = P->getPassID(); 1310e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 131190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1312e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1313e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 13145c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1315e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 1316e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1317e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 131890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1319e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1320e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 1321c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1322c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1323214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1324214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1325214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1326214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13273162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1328c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1329c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1330f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13311bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1332214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1333c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1334214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1335214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1336214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13383799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13393162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1340f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 13413799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13423799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1343209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 13443799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13453162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1346f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 13473799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13483799f97d539f6c288d169063e1b335917fafcffbDevang Patel 134906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 13515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1352e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 13535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13559f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 13569f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 13579f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1358d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1359d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 13605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1364e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 13655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1367d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1368d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 13695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13739dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 13749dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 13759dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13769dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 13779dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 13789dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 13799dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 13809dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 13819dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 13829dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13831970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 13841970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 13851970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 13861970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 13881970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 13891970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 13901970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13911970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13926c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 13931970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 13941970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 13975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 13985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 14005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14011336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1402d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1403d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14049dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14059dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14069dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14079dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1414448d27cd795dc273249f123444509403f4fa4facDevang Patel 14151997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1416ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1417ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1418170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1419ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1420ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1421ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1422ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1423ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1424ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1425ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1426ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 142795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 142895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1429448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1431f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1432f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1433214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1434214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14351fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1436bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1437bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14381fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14391554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14401554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 144116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14421554c8545651350569f08dc7370189da1a7e5814Devang Patel 144393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 14440dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1445693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14461554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 14478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1448d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1449d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1450a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1451d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 145216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1453d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1454693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 145516b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 145616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 145793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 14580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1459693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 146058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 14611554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 14621554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 146393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1464214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1465214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1466214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1467214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 14695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 14705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1471d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1472f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 14735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 147447eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 14755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1477e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 14783799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14793799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1480d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1481d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 14823799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14833799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14843799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14853799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1486e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 14873799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1489d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1490d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 14913799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14923799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14933799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14943799f97d539f6c288d169063e1b335917fafcffbDevang Patel 149506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 149792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 149895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 149995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 150092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 150192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 150392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1504c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15051970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15061970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15071970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15091970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15131554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15141554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 151516b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15161554c8545651350569f08dc7370189da1a7e5814Devang Patel 151769cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15180dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1519693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15201554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1522d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1523d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1524a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1525a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 152616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1527d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1528693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 152916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 153016b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 153197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 153269cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 15330dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 153495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 153558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15361554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 15371554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 153869cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 153992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 15401970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15411970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 15421970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15461970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 15471970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 15481970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 15491970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 15501970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 155192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 155292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 155392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1554569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1555569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1556569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1557569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1558f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1559f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 156095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1561f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1562f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1563569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1564dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 15650ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1566dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1567dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1568dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1569dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 15700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 15710ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1572dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 15730ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1574dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1575edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1576dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1577dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1578569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 15790ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 158095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 15810ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 15820ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 158390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1584dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1585f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 158695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 15871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1588dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 158977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 15900ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 15910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15920ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 159306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 159406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 159537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1596b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1597b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 15985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1599b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 16008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1602c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 160445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16051336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1606d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1607d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1608b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1609b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 161106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 161206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 161306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16145a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16153162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1617dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1618dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16205a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16213162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 162237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 162337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 162437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1625e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1626e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1627e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid PassManager::addImpl(Pass *P) { 1628e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene PM->add(P); 1629e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1630e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 16315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 16325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 16335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 16345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1635f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 163690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void* PassID = P->getPassID(); 163790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1638e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1639e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 16405c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1641e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 16425c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 164390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1644e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1645e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 16465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 16495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1650f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 16515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 16525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 16558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 16568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 16578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 16588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 16598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 16608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 16618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 16628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 16638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 16658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 16668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 16678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 16688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 16698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 16718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 16728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 16738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 16748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 16758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 16768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1677c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1678a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 167995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1680a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 16815c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1682c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1683c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 168409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 168509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 168609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 168736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 168809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 168909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 169009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 169109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 169209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 169309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 169409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 169509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 169609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 169709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1698c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1699f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 170009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1701f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1702f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 170397149737f27457b0411e49af3e4539688e29848fDevang Patel 1704f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 170597149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 170697149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 170797149737f27457b0411e49af3e4539688e29848fDevang Patel } 170897149737f27457b0411e49af3e4539688e29848fDevang Patel 170997149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 171097149737f27457b0411e49af3e4539688e29848fDevang Patel} 171109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 171297149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 171312376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 171412376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1715f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17163660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner printf("%s ", (*I)->getAsPass()->getPassName()); 1717f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 171897149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1719fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 172009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 172109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 172395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 172495df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1725bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 172609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 172795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 172844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 172944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 173044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 173144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 173209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 17336b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 17346b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 173509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1736bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 173744b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 173809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 173909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 174195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1742be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1743bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 174409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17450938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 174677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 17476b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 17486b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 174909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 175095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 175109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 175209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 175377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 175477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 175577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 175677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 175777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 17589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 17599d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 176097149737f27457b0411e49af3e4539688e29848fDevang Patel 17619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 17629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1763bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 176497149737f27457b0411e49af3e4539688e29848fDevang Patel 17659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 176897149737f27457b0411e49af3e4539688e29848fDevang Patel 17699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 17709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 17710938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 17729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 17759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 177609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 17789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 177909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 178009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 178295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1783be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1784bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 178577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 178609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 178797149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 178897149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 178995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 179077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 179177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 179277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 179377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 179477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 17959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 17969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 17979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 17999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 18009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 180597149737f27457b0411e49af3e4539688e29848fDevang Patel 180697149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 180797149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1808e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1809531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 181309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 181609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 181709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1818580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1819