PassManager.cpp revision 3620ff9a8b85e6d1b8ef42d8ec356fc3afb49519
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 164afefdec65f198fad803fa8f9f994663488dd608Dan Gohman#include "llvm/PassManager.h" 175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Assembly/PrintModulePass.h" 189450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 1945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 20170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 21c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2255fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 23ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 255c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Support/PassNameParser.h" 26d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 27f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 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); 19565bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman BP->dumpPass(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 } 28965bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman 29065bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman /// dumpPassStructure - Implement the -debug-passes=PassStructure option. 29165bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman void dumpPassStructure(unsigned) { 29265bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman llvm_unreachable("dumpPassStructure called on FunctionPassManagerImpl"); 29365bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman } 294c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 295c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2961997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 29795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 2987e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 3007e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 302b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 303b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 3045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 305c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3061997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 307cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 30890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass(PT_PassManager, ID), PMDataManager(Depth) { } 309693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 310693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 311693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 31295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 313693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 314693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 315dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 316693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 317693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 318693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 319693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 32095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 3215c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3225c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3235c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3245c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 325c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 326c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 327c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 328be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 33066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 33166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 33266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 33366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 334569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 335569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 336569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 337569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 338569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 33995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// Return function pass corresponding to PassInfo PI, that is 3400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 34290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson virtual Pass* getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F); 3430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 344e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 345e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 346e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 347e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3483660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3493660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3503660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 351ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 352ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 353170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 3541554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3551554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 35665bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman MP->dumpPass(Offset + 1); 35782c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 35882c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 35982c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 36082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3611554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 362ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 363ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 364ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3651554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 366f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 367f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3681554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3691554c8545651350569f08dc7370189da1a7e5814Devang Patel 37095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman virtual PassManagerType getPassManagerType() const { 37195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman return PMT_ModulePassManager; 37284da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3730ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3740ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3750ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3760ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 377dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3801997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3817e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3837e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 384794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 38736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 38836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3911997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 392cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 39390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass(PT_PassManager, ID), PMDataManager(Depth), 3947578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMTopLevelManager(new MPPassManager(1)) {} 395f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 400877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 401e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 402877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 40395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 40495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman /// createPrinterPass - Get a module printer pass. 4055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 4065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 4075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 4085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 4095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 41366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 41466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 41566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 41666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 418b85b31b300295d3716832513a64165e3c637338aDan Gohman void addTopLevelPass(Pass *P) { 4195e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 420145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 421145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 422cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 423145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 424689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 425c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 426689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 427a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 428e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene P->assignPassManager(activeStack, PMT_ModulePassManager); 429145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 430eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 431eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4323660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4333660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 4343660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 436f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 44065bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman 44165bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman /// dumpPassStructure - Implement the -debug-passes=PassStructure option. 44265bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman void dumpPassStructure(unsigned) { 44365bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman llvm_unreachable("dumpPassStructure called on PassManagerImpl"); 44465bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman } 4455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4471997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 448c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4498e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 450c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 451b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 452c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 453d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 454d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 455d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 456d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 457f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4583c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 459f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4606726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 461a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 462c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 463c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 464c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 465c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 46695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 467c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 468c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 469a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 470a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 471a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 472a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 473a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 474c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 475c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 476c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 477c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 478c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 479c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 480c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 481c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 482a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 483a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 48495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (P->getAsPMDataManager()) 4855c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 486c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 487a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 488a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 489a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 490a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 4910d2725ad696afb60c86076469031783669809739Chris Lattner return T; 492c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 493c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 494c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 495c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 496c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 497844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 498844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 49906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5028f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 5037578ea887de6a7cb22c324b629101683a0afb3c5Dan GohmanPMTopLevelManager::PMTopLevelManager(PMDataManager *PMDM) { 5047578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman PMDM->setTopLevelManager(this); 5057578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman addPassManager(PMDM); 5067578ea887de6a7cb22c324b629101683a0afb3c5Dan Gohman activeStack.push(PMDM); 5078f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 5088f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 51095df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 5111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 512edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 5131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 51695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 517d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 518d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 519d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 522721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 525721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 526721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 533edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 534721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 53595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 536721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 537721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 538721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 539721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 540721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 541721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 542721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 543721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 544721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 545721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5483b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5493b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5503b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 55195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (DMI != AnUsageMap.end()) 5523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5533b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5573b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 5603b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 56922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 57022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 57122a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5721cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5731cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5741cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 57590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = 57690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(P->getPassID()); 57790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PI && PI->isAnalysis() && findAnalysisPass(P->getPassID())) { 578641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 579c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 580641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5811cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5833b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 584488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 585488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 586488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 58795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 588488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 589488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 590488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 59195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 592488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 593488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 59490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 59590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisPass = PI->createPass(); 596488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 597488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 598488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 599488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 600488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 601488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 602488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 603488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 6043620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Recheck analysis passes to ensure that required analyses that 605488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 606488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 607488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 608488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 60995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Do not schedule this analysis. Lower level analsyis 610488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 611488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 612488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 626d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 62778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 628d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 6290961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 630d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 631d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 632d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 633d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 634f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 635f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 636d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 637d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 638d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 63978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 6401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 64190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = (*I)->getPassID(); 6421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 64790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PassInf = 64890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo(PI); 6492dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson const std::vector<const PassInfo*> &ImmPI = 65090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassInf->getInterfacesImplemented(); 65190c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson for (std::vector<const PassInfo*>::const_iterator II = ImmPI.begin(), 65290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson EE = ImmPI.end(); II != EE; ++II) { 65390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if ((*II)->getTypeInfo() == AID) 65490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson P = *I; 65590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson } 6561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 662ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 663a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 664ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 66526426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 6665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 6675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 668ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 669ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 67065bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman ImmutablePasses[i]->dumpPass(); 671ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 67295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 67365bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman // Print out the normal passes. We add an extra layer of indentation here 67465bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman // to help distinguish them visually from the immutable passes. 67578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 676ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 67765bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman (*I)->dumpPassStructure(1); 678ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 679ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 680a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 681c32cf54101ecaf336d161fecd58667870149169cDevang Patel 68226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 683c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 684c32cf54101ecaf336d161fecd58667870149169cDevang Patel 685170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 68678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 687d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 688d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 689170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 690c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 691c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6921336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 69378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 694d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 695d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 69695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 6971336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 69895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (SmallVector<PMDataManager *, 8>::iterator 69995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = IndirectPassManagers.begin(), E = IndirectPassManagers.end(); 70095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I != E; ++I) 7011336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 702721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 703f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 704721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 70595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 706721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 707721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 708721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 709721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 710721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 711721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 712721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 713721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 714721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7151336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7161336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 717ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 718ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 71978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 720ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 721ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 72295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 72378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 724ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 725ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7263b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7273b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 728f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 729f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 730ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 731ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 733419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 734889739c4d188d28c167644bced9df0f3131317d7Devang Patel 735b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 736f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 73790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 73895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 739f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 74095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7419e2f6284bc81e8a8b0bbe22c8e8c8c0b0b52ef74Dan Gohman assert(!AvailableAnalysis.empty()); 742b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 74395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // This pass is the current implementation of all of the interfaces it 74495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // implements as well. 74590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI); 74690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (PInf == 0) return; 74790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 7482dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) 74990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis[II[i]->getTypeInfo()] = P; 750b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 751b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 7527b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 7537b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 7547b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 7553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 7577b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 75895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 76078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 7617b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 7627b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 7635e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 76497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 76595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman P1->getPassID()) == 766d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 767d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 7687b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 76995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 7707b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 7717b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 7727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 773e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 77458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 775e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 776e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 777e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 778e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 7793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7803b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 78114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 7829750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 783fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 78458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 78558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 7869450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 787a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 7889450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 7899450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 7905b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7915b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7925b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 793844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 79458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7953b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7963b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 79704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 79804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7993b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 800b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 80154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 8021a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 8035e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 80495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 805e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 80614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 807e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 808e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 809170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 810170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 811e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 812e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 813e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 81414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 81595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 816fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 817fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 818fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 819fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 820fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 821fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 822fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 82395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (std::map<AnalysisID, Pass*>::iterator 824fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 825fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 826fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8275e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 82895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8291f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 830fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8311f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8321f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 833170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 834170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8351f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 836d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8371f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 838fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 839fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 840889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 841889739c4d188d28c167644bced9df0f3131317d7Devang Patel 842df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8432928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 8447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 845f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 846edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 848693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8490ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8500ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8510ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 852f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 853f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8548fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 855170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 856170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 857170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 8587c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8597c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 860edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 86127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 86227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 86327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 8644eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8652928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 86627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 86727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 8684eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 86927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 87027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 87127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 872a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 873a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 87427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 87527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 876617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 87790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AnalysisID PI = P->getPassID(); 87890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(PI)) { 87927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 88027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 881617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 88227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 88327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 88490c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const std::vector<const PassInfo*> &II = PInf->getInterfacesImplemented(); 8852dcacabc713945f71bd5342d55bfad3f79ffc360Owen Anderson for (unsigned i = 0, e = II.size(); i != e; ++i) { 88627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 88790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson AvailableAnalysis.find(II[i]->getTypeInfo()); 88827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 88927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 890617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 891f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 892df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 893df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 89495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Add pass P into the PassVector. Update 895893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 896f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 897145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 898145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 899cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 900145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 901145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 902cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 903cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 904edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 905cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 906f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 907f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 908f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 909f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 910f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 911569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 912f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 913f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 914f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 915f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 916cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 917f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 918f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 91995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman collectRequiredAnalysis(RequiredPasses, 920f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 921f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 922f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 923f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 924f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 925f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 926f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 927f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 928f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 929f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 930f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 931f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 932f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 933f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 934f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 935f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 936f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 93795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman } else 938c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 939f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 940f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 941f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 942f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 943f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 9443660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 945f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 946f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 947f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 948f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 9493660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 950f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 951f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 952f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 9543620ff9a8b85e6d1b8ef42d8ec356fc3afb49519Dan Gohman // Now, take care of required analyses that are not available. 95595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (SmallVector<AnalysisID, 8>::iterator 95695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman I = ReqAnalysisNotAvailable.begin(), 957f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 95890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PI = PassRegistry::getPassRegistry()->getPassInfo(*I); 95990c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson Pass *AnalysisPass = PI->createPass(); 960f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 961893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 962e253385b108cd946b1ac150302f246d3b218be77Devang Patel 963f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 964f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 965f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 967f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 968e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 969e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 970e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 971e253385b108cd946b1ac150302f246d3b218be77Devang Patel 972569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 973569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 974569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 975569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 976569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 977569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 978569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9803b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 98195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman for (AnalysisUsage::VectorType::const_iterator 982f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 983569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 98495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 985569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 986f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 987c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 98827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 990fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 99127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 992569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 99395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman RP.push_back(AnalysisPass); 994569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 995f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 99627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 997c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 998c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9992f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 10002f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 10012f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 10022f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 10032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 1004419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 10053b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 10063b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 1007fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 10083b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 10093b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 101069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 10112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 1012f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 1013f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 1014f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1015cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1016f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1017298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10182f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10192f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10202f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 102169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 102269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 102369867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 102469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 102569867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 102669867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 102769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 102869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 102969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 103069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 103169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 103269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 103369867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 103495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 10355b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 103669867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 103769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1038a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1039a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1040a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1041edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1042693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1043693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1044693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1045693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1046693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1047a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 104895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 1049edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 1050a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1051170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 105265bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman (*I)->dumpPass(0); 1053a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1054a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1055a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1056a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1057f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 1058a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 10593660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1060a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1061a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 106290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (const PassInfo *PI = 106390c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson PassRegistry::getPassRegistry()->getPassInfo((*I)->getPassID())) 1064a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1065170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1066a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1067a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1068a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1069417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1070417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 10712928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 107226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1073a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1074170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 10757f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1077170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 10787f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1080170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 10817f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1083170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 10847f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10877f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1090170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 10917f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10927f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1093170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 10947f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1096170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 10977f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10987f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1099170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 11007f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11017f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1102170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 11037f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11047f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 11057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 11067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1107a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1108a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1109d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 11100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11110dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 111295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11130dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11140dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11150dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11160dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11170dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1118d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11190dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 112195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 11220dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11230dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11272928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1128d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11290dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11300dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11310dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1132170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1134170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 113590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const PassInfo *PInf = PassRegistry::getPassRegistry()->getPassInfo(Set[i]); 113690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson dbgs() << ' ' << PInf->getPassName(); 1137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1138170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1139a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1140f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 114119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 114219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 114319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 114419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 114519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 114619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 114719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 114819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 114919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 11501cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 115195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // Module Level pass may required Function Level analysis info 115295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // (e.g. dominator info). Pass manager uses on the fly function pass manager 115395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // to provide this on demand. In that case, in Pass manager terminology, 11541cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 11551cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 11561cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11571cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 115895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman // checks whether any lower level manager will be able to provide this 11591cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1160c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1161170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1162170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1163c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1164c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 116519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 116619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 116790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass *PMDataManager::getOnTheFlyPass(Pass *P, AnalysisID PI, Function &F) { 1168e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman assert(0 && "Unable to find on the fly pass"); 1169e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman return NULL; 1170e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman} 1171e407c1d1583cfc788fa7d00fee5f612c3f224983Dan Gohman 1172ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1173ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 117478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1175ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1176ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1177ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1178ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1179f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1180f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11811465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11821465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1183f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1184f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1185f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 118695df619a4074315dfba4f66cee9a5f16529c088dDan GohmanPass *AnalysisResolver::findImplPass(Pass *P, AnalysisID AnalysisPI, 11876b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11886b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11896b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11906b1df0e863963929634d769f39cbce68f030f051Devang Patel 119106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 119355fd43f90913676682487f89f27c756adb827f66Devang Patel 119495df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 119595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnBasicBlock method. Keep track of whether any of the passes modifies 119655fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1197d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11985cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11991fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12001fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12013b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1202c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 120355fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 12041554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12051554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 120616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1207017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 120893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 12090dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1210017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 12111554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1212693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1213d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1214d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1215d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1216a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1217a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 121816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1219d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1220693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 122116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 122295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (LocalChanged) 122397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 122493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1226693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 122758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12281554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12291554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 123093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 123155fd43f90913676682487f89f27c756adb827f66Devang Patel } 1232fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 123347eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 123455fd43f90913676682487f89f27c756adb827f66Devang Patel} 123555fd43f90913676682487f89f27c756adb827f66Devang Patel 1236964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1237e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1238964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1239964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1240d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1241d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1242964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1243964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1244964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1245964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1246e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1247964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1248964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1249d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1250d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1251964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1252964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1253964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1254964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1255e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1256964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1257964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12581554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12591554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1260964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1261964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1262964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1263964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1264964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1265964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1266e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1267964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1268964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12691554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12701554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1271964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1272964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1273964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1274964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1275964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1276964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1277964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 127806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12793162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 128006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1281c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1282f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1284dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1285dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1286b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 128759ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1288b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1289cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1290cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12913162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 129237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 129337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 129437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1295e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1296e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1297e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid FunctionPassManager::addImpl(Pass *P) { 1298e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene FPM->add(P); 1299e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1300e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1301c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1302c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1303c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1304c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1305c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 130695df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid FunctionPassManager::add(Pass *P) { 1307e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene // If this is a not a function pass, don't add a printer for it. 130890c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void *PassID = P->getPassID(); 1309e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 131090c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1311e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1312e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 13135c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1314e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 1315e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 1316e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene if (P->getPassKind() == PT_Function) 131790c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1318e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1319e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 1320c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1321c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1322214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1323214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1324214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1325214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 13263162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1327c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1328c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1329f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 13301bd7335a17010bd4d8f86736cf73cac9f3fb80a5Benjamin Kramer report_fatal_error("Error reading bitcode file: " + Twine(errstr)); 1331214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1332c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1333214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1334214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1335214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13363799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13383162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1339f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 13403799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13413799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1342209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 13433799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13443162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1345f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 13463799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13473799f97d539f6c288d169063e1b335917fafcffbDevang Patel 134806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 13505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1351e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 13525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13549f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 13559f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 13569f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1357d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1358d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 13595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1363e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 13645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1366d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1367d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 13685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13729dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 13739dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 13749dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13759dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 13769dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 13779dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 13789dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 13799dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 13809dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 13819dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13821970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 13831970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 13841970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 13851970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13861970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 13871970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 13881970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 13891970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13901970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13916c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 13921970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 13931970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 13955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 13975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 13995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14001336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1401d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1402d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 14039dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14049dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 14059dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 14069dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 14071970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 14085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 14095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 14125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1413448d27cd795dc273249f123444509403f4fa4facDevang Patel 14141997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1415ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1416ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1417170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1418ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1419ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 142065bffec2c2dc87a5974930ec17931721bc485f9aDan Gohman FP->dumpPass(Offset + 1); 1421ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1422ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1423ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1424ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1425ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 142695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 142795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnFunction method. Keep track of whether any of the passes modifies 1428448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 14295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1430f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1431f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1432214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1433214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14341fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1435bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1436bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14371fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14381554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14391554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 144016b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14411554c8545651350569f08dc7370189da1a7e5814Devang Patel 144293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 14430dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1444693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14451554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 14468e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1447d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1448d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1449a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1450d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 145116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1452d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1453693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 145416b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 145516b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 145693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 14570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1458693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 145958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 14601554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 14611554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 146293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1463214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1464214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1465214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1466214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 14685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 14695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1470d42718080f1f140726220563d741261fd7f661c5Dan Gohman for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1471f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 14725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 147347eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 14745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1476e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 14773799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1479d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1480d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 14813799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14823799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14833799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14843799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1485e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 14863799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14873799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1488d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1489d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 14903799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14913799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14923799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14933799f97d539f6c288d169063e1b335917fafcffbDevang Patel 149406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 149692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 149795df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Execute all of the passes scheduled for execution by invoking 149895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// runOnModule method. Keep track of whether any of the passes modifies 149992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 150092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 15015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 150292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1503c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 15041970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 15051970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15061970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15071970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15091970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 15101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 15111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15121554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 15131554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 151416b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 15151554c8545651350569f08dc7370189da1a7e5814Devang Patel 151669cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 15170dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1518693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 15191554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 15208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1521d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1522d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1523a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1524a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 152516b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1526d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1527693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 152816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 152916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 153097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 153169cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 15320dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 153395df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 153458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15351554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 15361554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 153769cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 153892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 15391970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15401970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 15411970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15421970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 15461970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 15471970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 15481970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 15491970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 155092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 155192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 155292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1553569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1554569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1555569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1556569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1557f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1558f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 155995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman assert((P->getPotentialPassManagerType() < 1560f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1561f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1562569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1563dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 15640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1565dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1566dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1567dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1568dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 15690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 15700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1571dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 15720ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1573dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1574edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1575dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1576dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1577569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 15780ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 157995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// Return function pass corresponding to PassInfo PI, that is 15800ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 15810ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 158290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen AndersonPass* MPPassManager::getOnTheFlyPass(Pass *MP, AnalysisID PI, Function &F){ 1583dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1584f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 158595df619a4074315dfba4f66cee9a5f16529c088dDan Gohman 15861970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1587dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 158877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 15890ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 15900ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15910ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 159206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 159306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 159437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1595b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1596b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 15975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1598b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 15998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 16008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1601c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 16025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 160345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 16041336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1605d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1606d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1607b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1608b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 16095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 161006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 161106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 161206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 16135a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 16143162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 16155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1616dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1617dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 16185a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16195a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16203162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 162137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 162237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 162337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1624e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// addImpl - Add a pass to the queue of passes to run, without 1625e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene/// checking whether to add a printer pass. 1626e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greenevoid PassManager::addImpl(Pass *P) { 1627e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene PM->add(P); 1628e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene} 1629e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene 16305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 16315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 16325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 16335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1634f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 163590c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson const void* PassID = P->getPassID(); 163690c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintBeforePass(PassID)) 1637e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 1638e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 16395c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1640e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P); 16415c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 164290c579de5a383cee278acc3f7e7b9d0a656e6a35Owen Anderson if (ShouldPrintAfterPass(PassID)) 1643e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene addImpl(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 1644e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene + P->getPassName() + " ***")); 16455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 16485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1649f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 16505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 16515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 16548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 16558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 16568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 16578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 16588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 16598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 16608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 16618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 16628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 16648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 16658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 16668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 16678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 16688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 16708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 16718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 16728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 16738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 16748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 16758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1676c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1677a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 167895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (TheTimeInfo) 1679a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 16805c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1681c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1682c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 168309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 168409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 168509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 168636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 168709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 168809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 168909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 169009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 169109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 169209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 169309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 169409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 169509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 169609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1697c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1698f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 169909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1700f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1701f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 170297149737f27457b0411e49af3e4539688e29848fDevang Patel 1703f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 170497149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 170597149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 170697149737f27457b0411e49af3e4539688e29848fDevang Patel } 170797149737f27457b0411e49af3e4539688e29848fDevang Patel 170897149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 170997149737f27457b0411e49af3e4539688e29848fDevang Patel} 171009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 171197149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 171212376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohmanvoid PMStack::dump() const { 171312376a8df60e1ebd6e6e194cb5ecb0279a2d74a8Dan Gohman for (std::vector<PMDataManager *>::const_iterator I = S.begin(), 1714f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 17153660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner printf("%s ", (*I)->getAsPass()->getPassName()); 1716f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 171797149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1718fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 171909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 172009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 172109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 172295df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// add self into that manager. 172395df619a4074315dfba4f66cee9a5f16529c088dDan Gohmanvoid ModulePass::assignPassManager(PMStack &PMS, 1724bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 172509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 172695df619a4074315dfba4f66cee9a5f16529c088dDan Gohman while (!PMS.empty()) { 172744b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 172844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 172944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 173044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 173109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 17326b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 17336b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 173409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1735bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 173644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 173709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 173809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17399d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 174095df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1741be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1742bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 174309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17440938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 174577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 17466b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 17476b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 174809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 174995df619a4074315dfba4f66cee9a5f16529c088dDan Gohman break; 175009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 175109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 175277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 175377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 175477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 175577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 175677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 17579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 17589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 175997149737f27457b0411e49af3e4539688e29848fDevang Patel 17609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 17619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1762bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 176397149737f27457b0411e49af3e4539688e29848fDevang Patel 17649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17669d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 176797149737f27457b0411e49af3e4539688e29848fDevang Patel 17689d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 17699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 17700938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 17719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 17749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 177509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 17779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 177809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 177909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 178195df619a4074315dfba4f66cee9a5f16529c088dDan Gohman/// in the PM Stack and add self into that manager. 1782be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1783bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 178477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 178509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 178697149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 178797149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 178895df619a4074315dfba4f66cee9a5f16529c088dDan Gohman if (!PMS.empty() && 178977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 179077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 179177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 179277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 179377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 17949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 17959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 17969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 17989d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 17999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 18009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 18019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 18029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 18039d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 180497149737f27457b0411e49af3e4539688e29848fDevang Patel 180597149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 180697149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 1807e89f1c4ee74349fbe08a2c1f8060a7d3b049b5abDavid Greene BBP->assignPassManager(PMS, PreferredType); 1808531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 18099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 18109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 18119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 181209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 18139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 18149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 181509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 181609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1817580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1818