PassManager.cpp revision e906921480beacea2dea2d5ce8156bc246ee12a7
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 164afefdec65f198fad803fa8f9f994663488dd608Dan Gohman#include "llvm/PassManager.h" 175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Assembly/PrintModulePass.h" 189450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 1945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 20170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 21c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2255fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 23ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 255c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Support/PassNameParser.h" 26d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 271f6efa3996dd1929fbc129203ce5009b620e6969Michael J. Spencer#include "llvm/Support/Mutex.h" 28ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 294520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 30b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 312bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 32c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 33ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 4945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5026426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 53e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 595c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 605c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenetypedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser> 615c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePassOptionList; 625c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 635c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene// Print IR out before/after specified passes. 645c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 655c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBefore("print-before", 665c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before specified passes")); 675c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 685c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 695c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfter("print-after", 705c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after specified passes")); 715c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 725c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 735c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBeforeAll("print-before-all", 745c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before each pass"), 755c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 765c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 775c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfterAll("print-after-all", 785c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after each pass"), 795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 805c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 815c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a helper to determine whether to print IR before or 825c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after a pass. 835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 8490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforeOrAfterPass(const void *PassID, 855c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene PassOptionList &PassesToPrint) { 8690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const llvm::PassInfo *PI = 8790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(PassID)) { 8890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) { 8990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const llvm::PassInfo *PassInf = PassesToPrint[i]; 9090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf) 9190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PassInf->getPassArgument() == PI->getPassArgument()) { 9290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return true; 9390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 9490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 955c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 965c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return false; 975c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 9895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 995c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// before it. 10290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintBeforePass(const void *PassID) { 10390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(PassID, PrintBefore); 1045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after it. 10890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Andersonstatic bool ShouldPrintAfterPass(const void *PassID) { 10990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson return PrintAfterAll || ShouldPrintBeforeOrAfterPass(PassID, PrintAfter); 1105c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1115c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 11245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1149554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 1159554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 1169554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 1179554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 1189554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 1199554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1209554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1219554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1229554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 123d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 124d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 125d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 126d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 127d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 12895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 13095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 131d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 132d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 139d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 140ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 141d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 142ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 143d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 144ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 145d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 146ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 147ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 148ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 149ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 150ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 151d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 152d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 153d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 154c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1563f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1587e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 160c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 161c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1626726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 163c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 164c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1651997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 16695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman explicit BBPassManager(int Depth) 16790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson : PMDataManager(Depth), FunctionPass(ID) {} 168c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 169c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 170c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 172c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 17366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 17466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 17566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 17666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 17766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 179964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 180964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1833660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 1843660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 1853660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 186e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1879769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 188e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 189e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 190ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 191ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 192170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1931554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1941554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1958a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman BP->dumpPassStructure(Offset + 1); 1961554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 197ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 198ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1991554c8545651350569f08dc7370189da1a7e5814Devang Patel 2001554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 201f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 2021554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 2031554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 2041554c8545651350569f08dc7370189da1a7e5814Devang Patel } 20525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 20695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 20795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_BasicBlockPassManager; 20825919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 209c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 210c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2111997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 212ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 2131554c8545651350569f08dc7370189da1a7e5814Devang Patel 214ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 2175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 2205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 22136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 22236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2231970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 2241970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 2255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 2261997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 22795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman explicit FunctionPassManagerImpl(int Depth) : 22895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman Pass(PT_PassManager, ID), PMDataManager(Depth), 2297578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMTopLevelManager(new FPPassManager(1)), wasRun(false) {} 2305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 2355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 2365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 2375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 23895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 23995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a function printer pass. 2405c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 2415c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintFunctionPass(Banner, &O); 2425c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 2435c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 2441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 2451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 2461970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 2471970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 2485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 2505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 2515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 2535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 25595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 256209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 2595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 26095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2613660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 2623660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 2633660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 2645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 269b85b31b300295d3716832513a64165e3c637338aDan Gohman void addTopLevelPass(Pass *P) { 2705e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 2715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 273cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 278a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 279e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_FunctionPassManager); 2805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 281a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 285f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 289c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 290c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2911997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 29295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2937e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2957e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 297b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 298b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 300c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3011997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 302cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 30390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass(PT_PassManager, ID), PMDataManager(Depth) { } 304693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 305693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 306693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 30795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 308693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 309693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 310dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 311693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 312693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 313693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 314693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 31595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3165c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3185c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3195c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 320c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 321c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 322c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 323be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 329569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 330569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 331569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 332569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 333569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 33495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// Return function pass corresponding to PassInfo PI, that is 3350ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 33790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F); 3380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 339e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 340e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 341e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 342e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3433660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3443660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3453660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 346ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 347ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 348170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 3491554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3501554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 3518a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman MP->dumpPassStructure(Offset + 1); 35282c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 35382c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 35482c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 35582c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3561554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 357ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 358ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 359ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3601554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 361f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 362f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3631554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3641554c8545651350569f08dc7370189da1a7e5814Devang Patel 36595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 36695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_ModulePassManager; 36784da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3710ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 372dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 373c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3751997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3767e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3787e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 379794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 38236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 38336bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3861997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 387cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 38890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass(PT_PassManager, ID), PMDataManager(Depth), 3897578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMTopLevelManager(new MPPassManager(1)) {} 390f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 395877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 396e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 397877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 39895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 39995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 4005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 4015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 4025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 4035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 4045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 40866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 40966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 413b85b31b300295d3716832513a64165e3c637338aDan Gohman void addTopLevelPass(Pass *P) { 4145e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 415145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 416145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 417cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 418145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 419689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 420c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 421689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 422a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 423e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_ModulePassManager); 424145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 425eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 426eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4273660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4283660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 4293660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 431f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 4355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4371997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 438c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4398e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 440c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 441b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 442c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 443d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 444d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 445d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 446d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 447f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4483c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 449f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4506726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 451a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 452c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 453c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 454c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 455c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 45695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 457c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 458c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 459a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 460a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 461a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 462a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 463a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 464c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 465c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 466c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 467c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 468c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 469c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 470c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 471c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 472a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 473a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 47495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (P->getAsPMDataManager()) 4755c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 476c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 477a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 478a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 479a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 480a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 4810d2725ad696afb60c86076469031783669809739Chris Lattner return T; 482c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 483c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 484c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 485c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 486c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 487844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 488844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 48906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4928f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 4937578ea887de6a7cb22c324b629101683a0afb3c5Dan GohmanPMTopLevelManager::PMTopLevelManager(PMDataManager *PMDM) { 4947578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMDM->setTopLevelManager(this); 4957578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman addPassManager(PMDM); 4967578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman activeStack.push(PMDM); 4978f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4988f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 500568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohmanvoid 501568a63db96ea59b988c916a7777db7e3e39352b1Dan GohmanPMTopLevelManager::setLastUser(const SmallVectorImpl<Pass *> &AnalysisPasses, 502568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman Pass *P) { 503e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned PDepth = 0; 504e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 505e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser PDepth = P->getResolver()->getPMDataManager().getDepth(); 506e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 507568a63db96ea59b988c916a7777db7e3e39352b1Dan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = AnalysisPasses.begin(), 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 51195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 512d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 513d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 514d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 515e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // Update the last users of passes that are required transitive by AP. 516e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisUsage *AnUsage = findAnalysisUsage(AP); 517e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 518e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastUses; 519e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser SmallVector<Pass *, 12> LastPMUses; 520e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 521e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser E = IDs.end(); I != E; ++I) { 522e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser Pass *AnalysisPass = findAnalysisPass(*I); 523e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AnalysisPass && "Expected analysis pass to exist."); 524e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser AnalysisResolver *AR = AnalysisPass->getResolver(); 525e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser assert(AR && "Expected analysis resolver to exist."); 526e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser unsigned APDepth = AR->getPMDataManager().getDepth(); 527e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 528e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (PDepth == APDepth) 529e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastUses.push_back(AnalysisPass); 530e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser else if (PDepth > APDepth) 531e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser LastPMUses.push_back(AnalysisPass); 532e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser } 533e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 534e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastUses, P); 535e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 536e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // If this pass has a corresponding pass manager, push higher level 537e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // analysis to this pass manager. 538e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser if (P->getResolver()) 539e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser setLastUser(LastPMUses, P->getResolver()->getPMDataManager().getAsPass()); 540e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 541e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 544721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 547721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 548e906921480beacea2dea2d5ce8156bc246ee12a7Tobias Grosser // this is just updating existing entries. 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 555ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMTopLevelManager::collectLastUses(SmallVectorImpl<Pass *> &LastUses, 556721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 55795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 558721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 559721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 560721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 561721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 562721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 563721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 564721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 565721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 566721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 567721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5703b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5713b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5723b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 57395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5743b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5753b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5763b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5773b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5803b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5813b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 5823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 59122a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 59222a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 59322a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5941cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5951cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5961cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 59790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 59890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 59990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 600641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 601c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 602641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 6031cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 6043b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 6053b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 606488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 607488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 608488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 60995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 610488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 611488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 612488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 61395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 614488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 615488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 61690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 61790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 618488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 619488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 620488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 621488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 622488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 623488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 624488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 625488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 6263620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Recheck analysis passes to ensure that required analyses that 627488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 628488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 629488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 630488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 63195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 632488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 633488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 634488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 647d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 648ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 6497c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = PassManagers.end(); I != E; ++I) 6507c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6517c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 652d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 653d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 6549b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 655f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 6567c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman E = IndirectPassManagers.end(); I != E; ++I) 6577c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if (Pass *P = (*I)->findAnalysisPass(AID, false)) 6587c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return P; 6597c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman 6607c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // Check the immutable passes. Iterate in reverse order so that we find 6617c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman // the most recently registered passes first. 6627c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (SmallVector<ImmutablePass *, 8>::reverse_iterator I = 6637c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman ImmutablePasses.rbegin(), E = ImmutablePasses.rend(); I != E; ++I) { 66490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6667c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6697c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const PassInfo *PassInf = 6707c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassRegistry::getPassRegistry()->getPassInfo(PI); 6717c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman const std::vector<const PassInfo*> &ImmPI = 6727c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman PassInf->getInterfacesImplemented(); 6737c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 6747c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman EE = ImmPI.end(); II != EE; ++II) { 6757c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman if ((*II)->getTypeInfo() == AID) 6767c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return *I; 6771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6807c34730fb96808d7116d83b8831164042a98a4b1Dan Gohman return 0; 6811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 683ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 684a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 685ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 68626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 6875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 6885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 689ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 690ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 6918a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman ImmutablePasses[i]->dumpPassStructure(0); 692ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 69395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 6948a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // Every class that derives from PMDataManager also derives from Pass 6958a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 6968a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // between PMDataManager and Pass, so we have to getAsPass to get 6978a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman // from a PMDataManager* to a Pass*. 69878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 699ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 7008a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->getAsPass()->dumpPassStructure(1); 701ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 702ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 703a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 704c32cf54101ecaf336d161fecd58667870149169cDevang Patel 70526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 706c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 707c32cf54101ecaf336d161fecd58667870149169cDevang Patel 708170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 70967a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman for (SmallVector<ImmutablePass *, 8>::const_iterator I = 71067a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 71167a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (const PassInfo *PI = 71267a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 71367a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman if (!PI->isAnalysisGroup()) 71467a84f1ee682ef8aadde635117ea6a1d16f8f6dfDan Gohman dbgs() << " -" << PI->getPassArgument(); 71578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 716d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 717d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 718170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 719c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 720c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7211336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 7229b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 723d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 724d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 72595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 7279b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator 72895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 72995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7301336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 731721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 732f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 733721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 73495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 735721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 736721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 737721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 738721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 739721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 740721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 741721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 742721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 743721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7441336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7451336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 746ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 747ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 7489b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<PMDataManager *>::iterator I = PassManagers.begin(), 749ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 750ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 75195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7529b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<ImmutablePass *>::iterator 753ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 754ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 757f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 758f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 759ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 760ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 762419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 763889739c4d188d28c167644bced9df0f3131317d7Devang Patel 764b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 765f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 76690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 76795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 768f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 76995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7709e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 771b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 77295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 77395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 77490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 77590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 77690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 7772dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 77890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 779b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 780b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 7817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 7827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 7837b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 7843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7853b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 7867b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 78795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7883b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 7899b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = HigherLevelAnalysis.begin(), 7907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 7917b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 7925e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 79397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 79495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 795d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 796d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 7977b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 79895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7997b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 8007b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 8017b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 802e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 80358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 804e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 805e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 806e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 807e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 8083b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8093b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 81014d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 8119750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 812fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 81358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 81458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 8159450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 816a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 8179450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 8189450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 8195b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 8205b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 8215b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 822844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 82358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 8243b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8253b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 82604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 82704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 8283b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 829b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 83054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8311a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8325e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 83395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 834e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 83514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 836e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 837e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 838170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 839170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 840e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 841e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 842e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 84314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 84495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 845fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 846fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 847fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 848fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 849fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 850fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 851fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 85295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 853fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 854fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 855fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8565e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 85795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8581f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 859fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8601f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8611f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 862170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 863170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8641f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 865d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8661f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 867fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 868fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 869889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 870889739c4d188d28c167644bced9df0f3131317d7Devang Patel 871df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8722928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 8737f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 874f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 875edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8760ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 877693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8780ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8790ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8800ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 881f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 882f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8838fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 884170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 885170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 886170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 8877c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8887c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 8899b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = DeadPasses.begin(), 89027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 89127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 89227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 8934eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8942928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 89527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 89627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 8974eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 89827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 89927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 90027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 901a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 902a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 90327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 90427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 905617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 90690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 90790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 90827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 90927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 910617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 91127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 91227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 91390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 9142dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 91527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 91690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 91727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 91827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 919617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 920f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 921df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 922df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 92395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 924893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 925f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 926145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 927145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 928cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 929145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 930145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 931cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 932cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 933edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 934cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 935f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 936f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 937f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 938f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 939f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 940569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 941f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 942f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 943f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 944f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 945cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 946f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 947f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 94895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 949f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 9509b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<Pass *>::iterator I = RequiredPasses.begin(), 951f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 952f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 953f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 954f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 955f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 956f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 957f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 958f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 959f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 960f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 961f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 962f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 963f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 96695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 967c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 968f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 969f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 970f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 971f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 972f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 9733660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 974f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 975f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 976f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 977f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 9783660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 979f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 980f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 981f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9820ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 9833620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Now, take care of required analyses that are not available. 9849b0e47efc607f6dcfca34e033d56e4655a7bb893Dan Gohman for (SmallVectorImpl<AnalysisID>::iterator 98595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 986f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 98790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 98890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 989f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 990893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 991e253385b108cd946b1ac150302f246d3b218be77Devang Patel 992f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 993f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 994f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 995f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 996f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 997e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 998e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 999e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 1000e253385b108cd946b1ac150302f246d3b218be77Devang Patel 1001569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1002569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 1003569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 1004569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 1005ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohmanvoid PMDataManager::collectRequiredAnalysis(SmallVectorImpl<Pass *> &RP, 1006ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman SmallVectorImpl<AnalysisID> &RP_NotAvail, 1007569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 10083b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10093b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 101095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 1011f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 1012569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 101395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1014569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1015f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 1016c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 101727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 10183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 1019fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 102027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 1021569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 102295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 1023569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 1024f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 102527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 1026c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 1027c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 10282f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10292f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10302f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10312f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10322f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1033419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10343b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1036fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10383b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 103969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10402f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1041f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1042f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1043f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1044cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1045f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1046298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10472f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10482f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10492f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 105069867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 105169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 105269867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 105369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 105469867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 105569867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 105669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 105769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 105869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 105969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 106069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 106169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 106269867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 106395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10645b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 106569867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 106669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1067a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1068a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1069a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1070edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1071693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1072693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1073693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1074693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1075693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1076a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 107795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1078ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = LUses.begin(), 1079a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1080170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 10818a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman (*I)->dumpPassStructure(0); 1082a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1083a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1084a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1085a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1086ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::const_iterator I = PassVector.begin(), 1087a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 10883660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1089a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1090a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 109190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 109290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1093a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1094170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1095a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1096a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1097a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1098417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1099417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 11002928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 110126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1102a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1103170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 11047f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 11057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1106170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 11077f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1109170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 11107f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11117f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1112170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 11137f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11157f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 11177f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 11187f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1119170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 11207f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11217f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1122170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 11237f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1125170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 11267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 112765513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser case ON_REGION_MSG: 112865513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser dbgs() << "' on Region '" << Msg << "'...\n"; 112965513605353c7e3ee8be6fc92892f257ad399d92Tobias Grosser break; 11307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1131170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11327f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1134170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1139a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1140a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1141d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11420dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11430dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 114495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11450dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11460dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11470dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11480dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11490dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1150d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11520dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 115395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11540dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11550dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11560dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11592928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1160d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11610dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11620dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11630dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1164170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1165d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1166170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 116790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 116890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1169d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1170170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1171a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1172f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 117319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 117419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 117519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 117619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 117719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 117819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 117919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 118019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 118119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 11821cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 118395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 118495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 118595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 11861cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 11871cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 11881cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11891cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 119095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 11911cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1192c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1193170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1194170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1195c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1196c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 119719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 119819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 119990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 1200e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman assert(0 && "Unable to find on the fly pass"); 1201e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman return NULL; 1202e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman} 1203e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman 1204ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1205ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 1206ebb1834e86d8da5fe7c63986bf8f350574a40a6cDan Gohman for (SmallVectorImpl<Pass *>::iterator I = PassVector.begin(), 1207ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1208ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1209ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1210ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1211f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1212f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 12131465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 12141465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1215f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1216f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1217f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 121895df619a4074315dfba4f66cee9a5f16529c088dDan GohmanPass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI, 12196b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 12206b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 12216b1df0e863963929634d769f39cbce68f030f051Devang Patel} 12226b1df0e863963929634d769f39cbce68f030f051Devang Patel 122306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 122555fd43f90913676682487f89f27c756adb827f66Devang Patel 122695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 122795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnBasicBlock method. Keep track of whether any of the passes modifies 122855fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1229d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 12305cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 12311fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12321fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12333b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1234c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 123555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 12361554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12371554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 123816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1239017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 124093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 12410dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1242017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12431554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1244693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1245d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1246d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1247d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1248a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1249a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 125016b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1251d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1252693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 125316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 125495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (LocalChanged) 125597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 125693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1258693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 125958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12601554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12611554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 126293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 126355fd43f90913676682487f89f27c756adb827f66Devang Patel } 1264fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 126547eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 126655fd43f90913676682487f89f27c756adb827f66Devang Patel} 126755fd43f90913676682487f89f27c756adb827f66Devang Patel 1268964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1269e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1270964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1271964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1272d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1273d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1274964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1275964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1276964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1277964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1278e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1279964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1280964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1281d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1282d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1283964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1284964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1285964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1286964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1287e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1288964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1289964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12901554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12911554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1292964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1293964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1294964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1295964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1296964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1297964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1298e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1299964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1300964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 13011554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13021554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1303964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1304964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1305964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1306964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1307964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1308964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1309964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 131006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13113162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 131206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1313c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1314f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 13155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1316dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1317dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1318b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 131959ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1320b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1321cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1322cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 13233162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 132437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 132537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 132637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1327e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1328e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1329e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid FunctionPassManager::addImpl(Pass *P) { 1330e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene FPM->add(P); 1331e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1332e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1333c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1334c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1335c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1336c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1337c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 133895df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 1339e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene // If this is a not a function pass, don't add a printer for it. 134090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void *PassID = P->getPassID(); 1341e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 134290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1343e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1344e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 13455c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1346e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 1347e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1348e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 134990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1350e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1351e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 1352c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1353c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1354214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1355214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1356214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1357214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13583162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1359c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1360c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1361f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13621bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1363214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1364c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1365214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1366214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1367214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13683799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13703162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1371f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 13723799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13733799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1374209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 13753799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13763162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1377f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 13783799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13793799f97d539f6c288d169063e1b335917fafcffbDevang Patel 138006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 13825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1383e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 13845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13869f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 13879f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 13889f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1389d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1390d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 13915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1395e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1398d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1399d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 14005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14049dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 14059dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 14069dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14079dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 14089dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 14099dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 14109dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 14119dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 14129dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 14139dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14141970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 14151970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 14161970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 14171970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 14191970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 14201970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 14211970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14221970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14236c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 14241970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 14251970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 14275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 14285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 14295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 14305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 14315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14321336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1433d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1434d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14359dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14369dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14379dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14389dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14391970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1445448d27cd795dc273249f123444509403f4fa4facDevang Patel 14461997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1447ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1448ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1449170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1450ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1451ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 14528a757aeac436ecd27e28a39b10032fd6fda33780Dan Gohman FP->dumpPassStructure(Offset + 1); 1453ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1454ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1455ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1456ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1457ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 145895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 145995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1460448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1462f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1463f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1464214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1465214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14661fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1467bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1468bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14691fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14701554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14711554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 147216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14731554c8545651350569f08dc7370189da1a7e5814Devang Patel 147493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 14750dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1476693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14771554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 14788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1479d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1480d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1481a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1482d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 148316b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1484d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1485693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 148616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 148716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 148893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 14890dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1490693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 149158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 14921554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 14931554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 149493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1495214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1496214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1497214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1498214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 15005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 15015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1502d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1503f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 15045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 150547eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 15065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 15075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1508e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 15093799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15103799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1511d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1512d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 15133799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15143799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15153799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15163799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1517e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 15183799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 15193799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1520d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1521d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 15223799f97d539f6c288d169063e1b335917fafcffbDevang Patel 15233799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 15243799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 15253799f97d539f6c288d169063e1b335917fafcffbDevang Patel 152606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 15275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 152892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 152995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 153095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 153192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 153292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 153492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1535c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15361970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15371970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15381970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15391970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15401970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15411970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15421970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15441554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15451554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 154616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15471554c8545651350569f08dc7370189da1a7e5814Devang Patel 154869cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15490dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1550693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15511554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1553d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1554d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1555a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1556a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 155716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1558d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1559693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 156016b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 156116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 156297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 156369cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 15640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 156595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 156658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15671554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 15681554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 156969cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 157092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 15711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 15731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15761970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 15781970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 15791970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 15801970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 15811970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 158292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 158392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 158492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1585569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1586569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1587569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1588569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1589f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1590f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 159195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1592f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1593f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1594569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1595dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 15960ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1597dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1598dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1599dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1600dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 16010ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 16020ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1603dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 16040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1605dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 16068de206c10142c91b19eb5dcacfb0da97747dfb01Dan Gohman SmallVector<Pass *, 1> LU; 1607dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1608dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1609569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 16100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 161195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 16120ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 16130ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 161490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1615dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1616f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 161795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 16181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1619dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 162077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 16210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 16220ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 16230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 162406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 162506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 162637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1627b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1628b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 16295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1630b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 16318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1633c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 163545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16361336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1637d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1638d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1639b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1640b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 164206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 164306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 164406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16463162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1648dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1649dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16523162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 165337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 165437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 165537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1656e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1657e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1658e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid PassManager::addImpl(Pass *P) { 1659e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene PM->add(P); 1660e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1661e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 16625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 16635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 16645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 16655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1666f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 166790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void* PassID = P->getPassID(); 166890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1669e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1670e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 16715c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1672e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 16735c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 167490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1675e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1676e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 16775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 16805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1681f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 16825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 16835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 16868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 16878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 16888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 16898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 16908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 16918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 16928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 16938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 16948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 16968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 16978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 16988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 16998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 17008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 17018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 17028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 17038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 17048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 17058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 17068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 17078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1708c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1709a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 171095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1711a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 17125c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1713c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1714c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 171509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 171609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 171709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 171836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 171909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 172009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 172109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 172309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 172409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 172609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 172709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1729c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1730f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 173109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1732f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1733f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 173497149737f27457b0411e49af3e4539688e29848fDevang Patel 1735f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 173697149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 173797149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 173897149737f27457b0411e49af3e4539688e29848fDevang Patel } 173997149737f27457b0411e49af3e4539688e29848fDevang Patel 174097149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 174197149737f27457b0411e49af3e4539688e29848fDevang Patel} 174209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 174397149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 174412376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 174512376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1746f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17473660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner printf("%s ", (*I)->getAsPass()->getPassName()); 1748f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 174997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1750fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 175109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 175209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 175309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 175495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 175595df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1756bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 175709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 175895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 175944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 176044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 176144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 176244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 176309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 17646b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 17656b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 176609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1767bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 176844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 176909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 177009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 177295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1773be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1774bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 177509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17760938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 177777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 17786b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 17796b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 178009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 178195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 178209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 178309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 178477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 178577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 178677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 178777c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 178877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 17899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 17909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 179197149737f27457b0411e49af3e4539688e29848fDevang Patel 17929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 17939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1794bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 179597149737f27457b0411e49af3e4539688e29848fDevang Patel 17969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 179997149737f27457b0411e49af3e4539688e29848fDevang Patel 18009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 18019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 18020938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 18039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18049d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18059d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 18069d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 180709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 18099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 181009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 181109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 181395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1814be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1815bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 181677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 181709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 181897149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 181997149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 182095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 182177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 182277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 182377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 182477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 182577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 18269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 18279d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 18289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 18309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 18319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 183697149737f27457b0411e49af3e4539688e29848fDevang Patel 183797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 183897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1839e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1840531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18429d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18439d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 184409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18459d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18469d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 184709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 184809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1849580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1850