PassManager.cpp revision f88c856a471dd838607293f66b533374d7637fd1
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// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 165c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Assembly/PrintModulePass.h" 179450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman#include "llvm/Assembly/Writer.h" 1845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 19170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene#include "llvm/Support/Debug.h" 20c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel#include "llvm/Support/Timer.h" 2155fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 22ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 245c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene#include "llvm/Support/PassNameParser.h" 25d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 26f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 27e3cd5ca7e79f4359e8a101c211fc9c117eb62347Owen Anderson#include "llvm/System/Threading.h" 28d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 29ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 304520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 31b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 322bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 33c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 34ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 48e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 49e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 5045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5126426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 54e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 5945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 605c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 615c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenetypedef llvm::cl::list<const llvm::PassInfo *, bool, PassNameParser> 625c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePassOptionList; 635c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 645c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene// Print IR out before/after specified passes. 655c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 665c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBefore("print-before", 675c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before specified passes")); 685c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 695c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic PassOptionList 705c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfter("print-after", 715c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after specified passes")); 725c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 735c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 745c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintBeforeAll("print-before-all", 755c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR before each pass"), 765c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 775c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic cl::opt<bool> 785c8aa950fe3484b6e115647328c196f8be64f9edDavid GreenePrintAfterAll("print-after-all", 795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene llvm::cl::desc("Print IR after each pass"), 805c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene cl::init(false)); 815c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 825c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a helper to determine whether to print IR before or 835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after a pass. 845c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 855c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic bool ShouldPrintBeforeOrAfterPass(Pass *P, 865c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene PassOptionList &PassesToPrint) { 875c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene for (unsigned i = 0, ie = PassesToPrint.size(); i < ie; ++i) { 885c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene const llvm::PassInfo *PassInf = PassesToPrint[i]; 895c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene if (PassInf && P->getPassInfo()) 905c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene if (PassInf->getPassArgument() == 915c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene P->getPassInfo()->getPassArgument()) { 925c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return true; 935c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 945c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 955c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return false; 965c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 975c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 985c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 995c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// before it. 1015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic bool ShouldPrintBeforePass(Pass *P) { 1025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return PrintBeforeAll || ShouldPrintBeforeOrAfterPass(P, PrintBefore); 1035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 1055c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// This is a utility to check whether a pass should have IR dumped 1065c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene/// after it. 1075c8aa950fe3484b6e115647328c196f8be64f9edDavid Greenestatic bool ShouldPrintAfterPass(Pass *P) { 1085c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return PrintAfterAll || ShouldPrintBeforeOrAfterPass(P, PrintAfter); 1095c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene} 1105c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 11145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1139554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 1149554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 1159554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 1169554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 1179554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 1189554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1199554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1209554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 1219554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 122d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 123d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 124d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 125d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 126d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 127d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 128d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 129d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 130d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 131d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 132d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 133d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 134d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 135d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 136d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 137d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 138d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 139ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 141ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 142d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 143ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 144d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 145ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 146ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 147ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 148ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 149ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 150d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 151d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 152d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 153c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1553f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1577e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 159c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 160c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1616726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass BBPassManager : public PMDataManager, public FunctionPass { 162c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 163c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1641997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 165cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 166ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 167c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 168c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 169c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 170c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 171c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 17266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 17366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 17466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 17566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 17666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 177964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 179964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 180964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1823660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 1833660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 1843660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 185e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1869769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 187e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 188e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 189ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 190ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 191170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1921554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1931554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1941554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1951554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 196ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 197ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1981554c8545651350569f08dc7370189da1a7e5814Devang Patel 1991554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 200f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 2011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 2021554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 2031554c8545651350569f08dc7370189da1a7e5814Devang Patel } 20425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 20584da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 20625919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 20725919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 208c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 209c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2101997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 211ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 2121554c8545651350569f08dc7370189da1a7e5814Devang Patel 213ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 2145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 2175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 22036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 22136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2221970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 2231970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 2245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 2251997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 226cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 227476e9bd1146624fa17243ae55fdb156f905ba3d4Chris Lattner Pass(PT_PassManager, &ID), PMDataManager(Depth), 2281970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin PMTopLevelManager(TLM_Function), wasRun(false) { } 2295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 2355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 2365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2385c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene /// createPrinterPass - Get a function printer pass. 2395c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 2405c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintFunctionPass(Banner, &O); 2415c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 2425c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 2431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 2441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 2451970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 2461970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 2475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 2495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 2505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 2525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 2545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 255209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 2565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 2585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2593660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 2603660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 2613660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 2623660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 2635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 2695e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 2705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 272cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 277a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 278a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 280a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 284f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 288c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 289c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2901997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2917e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2937e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 295b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 296b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 298c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2991997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 300cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 301476e9bd1146624fa17243ae55fdb156f905ba3d4Chris Lattner Pass(PT_PassManager, &ID), PMDataManager(Depth) { } 302693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 303693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 304693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 305dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 306693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 307693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 308dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 309693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 310693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 311693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 312693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 3135c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene /// createPrinterPass - Get a module printer pass. 3145c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3155c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 3165c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 3175c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 318c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 319c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 320c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 321be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 32266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 32366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 32466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 32566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 32666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 327569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 328569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 329569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 330569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 331569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 3320ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 3330ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 3340ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 3350ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 3360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 337e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 338e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 339e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 340e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 3413660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 3423660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 3433660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 344ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 345ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 346170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 3471554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 3481554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 3491554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 35082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 35182c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 35282c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 35382c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 3541554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 355ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 356ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 357ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 3581554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 359f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 360f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3611554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3621554c8545651350569f08dc7370189da1a7e5814Devang Patel 36384da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 36484da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 36584da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 370dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 371c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 372c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3731997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3747e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3767e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 377794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 38036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 38136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3841997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 385cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 386476e9bd1146624fa17243ae55fdb156f905ba3d4Chris Lattner Pass(PT_PassManager, &ID), PMDataManager(Depth), 387476e9bd1146624fa17243ae55fdb156f905ba3d4Chris Lattner PMTopLevelManager(TLM_Pass) { } 388f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 393877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 394e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 395877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3975c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene /// createPrinterPass - Get a module printer pass. 3985c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene Pass *createPrinterPass(raw_ostream &O, const std::string &Banner) const { 3995c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene return createPrintModulePass(&O, false, Banner); 4005c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene } 4015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 4025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 4035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 4045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 4055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 40666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 40766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 40866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 40966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 41066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 411eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 4125e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (ImmutablePass *IP = P->getAsImmutablePass()) { 413145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 414145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 415cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 416145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 417689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 418c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 419689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 420a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 421a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 422145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 423eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 424eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 4253660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual PMDataManager *getAsPMDataManager() { return this; } 4263660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner virtual Pass *getAsPass() { return this; } 4273660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner 4285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 429f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 4305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 4315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 4325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 4335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 4345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4351997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 436c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 4378e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 438c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 439b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 440c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 441d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 442d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 443d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 444d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 445f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4463c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 447f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 4486726b6d75a8b679068a58cb954ba97cf9d1690baNick Lewyckyclass TimingInfo { 449a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner DenseMap<Pass*, Timer*> TimingData; 450c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 451c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 452c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 453c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 454c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 455c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 456c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 457a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // Delete all of the timers, which accumulate their info into the 458a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner // TimerGroup. 459a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner for (DenseMap<Pass*, Timer*>::iterator I = TimingData.begin(), 460a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner E = TimingData.end(); I != E; ++I) 461a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner delete I->second; 462c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 463c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 464c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 465c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 466c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 467c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 468c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 469c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 470a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner /// getPassTimer - Return the timer for the specified pass if it exists. 471a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *getPassTimer(Pass *P) { 4723660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager()) 4735c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 474c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 475a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 476a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner Timer *&T = TimingData[P]; 477a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner if (T == 0) 478a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner T = new Timer(P->getPassName(), TG); 4790d2725ad696afb60c86076469031783669809739Chris Lattner return T; 480c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 481c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 482c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 483c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 484c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 485844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 486844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 48706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4908f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 491d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4928f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4938f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4948f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4958f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4968f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 497d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4988f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4998f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 5008f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 5018f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 5028f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 5038f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 5048f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 5051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 506edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 5071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 508edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 5091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 512d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 513d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 514d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 515d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 5161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 518721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 521721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 522721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 529edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 530721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 531721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 532721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 533721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 534721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 535721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 536721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 537721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 538721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 539721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 540721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 541721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5443b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 5453b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 5463b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 5473b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 5483b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 5493b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 5503b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 5513b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 5523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 5533b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 5543b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 5553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 5563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 56522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 56622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 56722a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5681cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5691cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5701cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 571c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 572641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 573641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 574c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 575641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5761cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5773b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 579488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 580488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 581488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 582488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 583488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 584488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 585488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 586488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 587488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 588488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 589488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 590488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 591488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 592488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 593488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 594488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 595488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 596488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 597488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 598488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 599488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 600488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 601488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 602488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 603488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 604488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 605488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 606488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 6071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 620d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 62178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 622d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 6230961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 624d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 625d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 626d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 627d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 628f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 629f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 630d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 631d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 632d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 63378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 6341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 6351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 64197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 64297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 6431a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 6441a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 651ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 652a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 653ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 65426426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 6555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 6565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 657ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 658ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 659ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 660ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 661ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 6620961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 6630961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 6643660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner // between PMDataManager and Pass, so we have to getAsPass to get 6650961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 66678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 667ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 6683660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner (*I)->getAsPass()->dumpPassStructure(1); 669ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 670ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 671a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 672c32cf54101ecaf336d161fecd58667870149169cDevang Patel 67326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 674c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 675c32cf54101ecaf336d161fecd58667870149169cDevang Patel 676170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Pass Arguments: "; 67778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 678d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 679d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 680170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "\n"; 681c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 682c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6831336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 68478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 685d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 686d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 6871336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6881336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 68978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6901336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6911336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 692721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 693f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 694721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 695721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 696721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 697721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 698721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 699721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 700721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 701721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 702721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 703721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 704721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 7051336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 7061336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 707ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 708ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 70978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 710ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 711ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 712ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 71378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 714ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 715ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 7163b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 7173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 718f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 719f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 720ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 721ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 7221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 723419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 724889739c4d188d28c167644bced9df0f3131317d7Devang Patel 725b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 726f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 727f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 728f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 729f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 730f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 731b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 732f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 733f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 734f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 735f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 736f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 737b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 738b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 7397b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 7407b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 7417b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 7423b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7433b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 7447b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 7457b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 7463b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 74778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 7487b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 7497b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 7505e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (P1->getAsImmutablePass() == 0 && 75197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 75297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 753d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 754d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 7557b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 7567b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 7577b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 7587b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 7597b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 760e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 76158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 762e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 763e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 764e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 765e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 7663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7673b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 76814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 7699750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 770fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 77158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 77258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 7739450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman if (Pass *AP = findAnalysisPass(AID, true)) { 774a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(AP)); 7759450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman AP->verifyAnalysis(); 7769450b0e1a6154192ca597ad27f8eb6e6e807f7a4Dan Gohman } 7775b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7785b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7795b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 780844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 78158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7833b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 78404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 78504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7863b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 787b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 78854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7891a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 7905e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 7915e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 792e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 79314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 794e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 795e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 796170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 797170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 798e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 799e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 800e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 80114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 802fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 803fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 804fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 805fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 806fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 807fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 808fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 809fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 810fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 811fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 812fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 813fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 8145e664b8f7c5ba877058a3a1cdfcce8e6b7388a6aChris Lattner if (Info->second->getAsImmutablePass() == 0 && 81597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 8161f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter PreservedSet.end()) { 817fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 8181f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter if (PassDebugging >= Details) { 8191f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter Pass *S = Info->second; 820170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -- '" << P->getPassName() << "' is not preserving '"; 821170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << S->getPassName() << "'\n"; 8221f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 823d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 8241f6ae8172594385bfa369e0551887589a00c4572Andreas Neustifter } 825fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 826fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 827889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 828889739c4d188d28c167644bced9df0f3131317d7Devang Patel 829df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8302928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, StringRef Msg, 8317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 832f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 833edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8340ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 835693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 839f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 840f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8418fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 842170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -*- '" << P->getPassName(); 843170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' is the last user of following pass instances."; 844170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Free these instances\n"; 8457c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8467c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 847edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 84827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 84927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 85027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 8514eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8522928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::freePass(Pass *P, StringRef Msg, 85327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 85427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 8554eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 85627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 85727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 85827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 859a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(P)); 860a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 86127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 86227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 863617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 86427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (const PassInfo *PI = P->getPassInfo()) { 86527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 86627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 867617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 86827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 86927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 87027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 87127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman for (unsigned i = 0, e = II.size(); i != e; ++i) { 87227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 87327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.find(II[i]); 87427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 87527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 876617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 877f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 878df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 879df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8804045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 881893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 882f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 883145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 884145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 885cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 886145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 887145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 888cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 889cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 890edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 891cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 892f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 893f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 894f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 895f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 896f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 897569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 898f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 899f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 900f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 901f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 902cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 903f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 904f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 905f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 906f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 907f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 908f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 909f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 910f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 911f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 912f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 913f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 914f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 915f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 916f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 917f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 918f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 919f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 920f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 921f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 922f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 923f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 924c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 925f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 926f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 927f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 928f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 929f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 9303660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (P->getAsPMDataManager() == 0) 931f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 932f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 933f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 934f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 9353660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner Pass *My_PM = getAsPass(); 936f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 937f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 938f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 940f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 941f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 942f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 943f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 944f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 945f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 946893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 947e253385b108cd946b1ac150302f246d3b218be77Devang Patel 948f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 949f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 950f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 951f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 952f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 953e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 954e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 955e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 956e253385b108cd946b1ac150302f246d3b218be77Devang Patel 957569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 958569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 959569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 960569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 961569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 962569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 963569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 966fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 967f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 968569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 969569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 970569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 971f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 972c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 97327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9743b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 975fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 97627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 977569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 978569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 979569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 980f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 98127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 982c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 983c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9842f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9852f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9862f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9872f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9882f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 989419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9903b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9913b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 992fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9933b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 99569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9962f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 997f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 998f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 999f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 1000cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 1001f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 1002298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 10032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 10042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 10052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 100669867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 100769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 100869867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 100969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 101069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 101169867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 101269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 101369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 101469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 101569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 101669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 101769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 101869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 101969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 10205b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 102169867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 102269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1023a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 1024a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 1025a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1026edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 1027693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1028693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1029693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1030693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1031693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1032a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 1033a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1034edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 1035a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 1036170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << "--" << std::string(Offset*2, ' '); 1037a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 1038a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1039a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1040a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1041a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1042f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 1043a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 10443660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner if (PMDataManager *PMD = (*I)->getAsPMDataManager()) 1045a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1046a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 1047a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 1048a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 1049170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " -" << PI->getPassArgument(); 1050a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1051a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1052a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1053417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1054417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 10552928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbar StringRef Msg) { 105626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1057a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 1058170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)this << std::string(getDepth()*2+1, ' '); 10597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 1061170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Executing Pass '" << P->getPassName(); 10627f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10637f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 1064170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Made Modification '" << P->getPassName(); 10657f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10667f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 1067170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << " Freeing Pass '" << P->getPassName(); 10687f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10697f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10717f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10727f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10737f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 1074170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on BasicBlock '" << Msg << "'...\n"; 10757f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10767f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 1077170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Function '" << Msg << "'...\n"; 10787f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 1080170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Module '" << Msg << "'...\n"; 10817f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10827f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1083170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Loop '" << Msg << "'...\n"; 10847f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 1086170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 10877f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1091a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1092a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1093d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10940dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10950dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10960dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10970dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10980dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10990dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 11000dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11010dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1102d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 11030dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 11040dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 11050dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11060dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 11070dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 11080dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 11090dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 11100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 11112928c83b010f7cfdb0f819199d806f6942a7d995Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(StringRef Msg, const Pass *P, 1112d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 11130dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 11140dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 11150dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 1116170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1117d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 1118170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene if (i) dbgs() << ','; 1119170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << ' ' << Set[i]->getPassName(); 1120d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1121170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << '\n'; 1122a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1123f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 112419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 112519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 112619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 112719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 112819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 112919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 113019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 113119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 113219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 11331cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11341cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 11351cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 11361cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 11371cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 11381cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 11391cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11401cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 11411cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 11421cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1143c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 1144170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "Unable to schedule '" << RequiredPass->getPassName(); 1145170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene dbgs() << "' required by '" << P->getPassName() << "'\n"; 1146c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1147c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 114819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 114919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1150ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1151ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 115278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1153ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1154ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1155ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1156ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1157f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1158f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11591465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11601465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1161f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1162f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1163f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 11646b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 11656b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11666b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11676b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11686b1df0e863963929634d769f39cbce68f030f051Devang Patel 116906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 117155fd43f90913676682487f89f27c756adb827f66Devang Patel 117255fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 117355fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 117455fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1175d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11765cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11771fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11781fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11793b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1180c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 118155fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11821554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11831554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 118416b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 1185017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 118693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 11870dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1188017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11891554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1190693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1191d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1192d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1193d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1194a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(BP)); 1195a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 119616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= BP->runOnBasicBlock(*I); 1197d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1198693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 119916b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 120016b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 120197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 120293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 12030dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1204693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 120558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 12061554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 12071554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 120893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 120955fd43f90913676682487f89f27c756adb827f66Devang Patel } 1210fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 121147eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(F) || Changed; 121255fd43f90913676682487f89f27c756adb827f66Devang Patel} 121355fd43f90913676682487f89f27c756adb827f66Devang Patel 1214964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1215e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1216964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1217964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1218d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1219d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1220964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1221964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1222964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1223964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1224e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1225964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1226964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1227d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1228d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1229964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1230964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1231964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1232964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1233e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1234964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1235964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12361554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12371554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1238964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1239964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1240964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1241964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1242964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1243964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1244e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1245964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1246964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12471554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12481554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1249964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1250964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1251964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1252964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1253964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1254964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1255964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 125606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12573162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 125806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1259c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 1260f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey YasskinFunctionPassManager::FunctionPassManager(Module *m) : M(m) { 12615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1262dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1263dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1264b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 126559ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1266b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1267cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1268cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12693162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 127037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 127137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 127237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1273c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1274c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1275c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1276c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1277c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12783162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 12795c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene if (ShouldPrintBeforePass(P)) 12805c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene add(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 12815c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene + P->getPassName() + " ***")); 1282c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 12835c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 12845c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene if (ShouldPrintAfterPass(P)) 12855c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene add(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 12865c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene + P->getPassName() + " ***")); 1287c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1288c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1289214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1290214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1291214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1292214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12933162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1294c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky if (F.isMaterializable()) { 1295c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky std::string errstr; 1296f88c856a471dd838607293f66b533374d7637fd1Chris Lattner if (F.Materialize(&errstr)) 1297c638088d6f2739f2766801542e81d300e4f59f8fNick Lewycky llvm_report_error("Error reading bitcode file: " + errstr); 1298214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1299c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1300214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1301214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1302214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13033799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 13043799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13053162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 1306f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doInitialization(*M); 13073799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13083799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1309209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 13103799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 13113162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 1312f0356fe140af1a30587b9a86bcfb1b2c51b8ce20Jeffrey Yasskin return FPM->doFinalization(*M); 13133799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13143799f97d539f6c288d169063e1b335917fafcffbDevang Patel 131506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 13175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1318e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 13195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13219f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpArguments(); 13229f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman dumpPasses(); 13239f9ca73d7e9ac9d14b73fe617eee97b2bc3d5754Dan Gohman 1324d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1325d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 13265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1330e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 13315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13325f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1333d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1334d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 13355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13399dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 13409dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 13419dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13429dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 13439dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 13449dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 13459dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 13469dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 13479dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 13489dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13491970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 13501970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 13511970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 13521970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13531970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 13541970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 13551970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 13561970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13571970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13586c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 13591970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 13601970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 13625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 13635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 13645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 13665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13671336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1368d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1369d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 13709dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13719dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 13729dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 13739dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 13755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 13795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1380448d27cd795dc273249f123444509403f4fa4facDevang Patel 13811997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1382ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1383ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1384170c48af5a7d760631cf897944a9833a74ac22ddDavid Greene llvm::dbgs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1385ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1386ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1387ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1388ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1389ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1390ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1391ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1392ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1393448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1394448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1395448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1397f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1398f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1399214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1400214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 14011fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1402bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1403bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 14041fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 14051554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14061554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 140716b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14081554c8545651350569f08dc7370189da1a7e5814Devang Patel 140993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 14100dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1411693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14121554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 14138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1414d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1415d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1416a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(FP)); 1417d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 141816b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= FP->runOnFunction(F); 1419d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1420693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 142116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 142216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 142393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 14240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1425693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 142658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 14271554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 14281554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 142993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 1430214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1431214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1432214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1433214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 14355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 14365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1437f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1438f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 14395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 144047eb1eab1ffbbdb9adf3d55439cb2380441258e1Bill Wendling return doFinalization(M) || Changed; 14415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1443e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 14443799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14453799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1446d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1447d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 14483799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14493799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14503799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14513799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1452e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 14533799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14543799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1455d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1456d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 14573799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14583799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14593799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14603799f97d539f6c288d169063e1b335917fafcffbDevang Patel 146106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 146392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 146492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 146592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 146692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 146792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 14685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 146992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1470c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 14711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 14721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14761970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 14771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14781970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14791554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14801554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 148116b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman bool LocalChanged = false; 14821554c8545651350569f08dc7370189da1a7e5814Devang Patel 148369cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, M.getModuleIdentifier()); 14840dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1485693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14861554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 14878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1488d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1489d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1490a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner TimeRegion PassTimer(getPassTimer(MP)); 1491a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner 149216b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman LocalChanged |= MP->runOnModule(M); 1493d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1494693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 149516b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman Changed |= LocalChanged; 149616b77211cf38b040680ddaf2937499f5e2ca87fdDan Gohman if (LocalChanged) 149797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 149869cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer M.getModuleIdentifier()); 14990dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1500e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 150158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 15021554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 15031554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 150469cee6151df07c6fc8c1e4647a87e3ff78752e88Benjamin Kramer removeDeadPasses(MP, M.getModuleIdentifier(), ON_MODULE_MSG); 150592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 15061970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 15071970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 15081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 15091970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 15101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 15111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 15121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 15131970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 15141970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 15151970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 15161970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 151792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 151892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 151992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1520569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1521569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1522569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1523569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1524f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1525f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1526f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1527f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1528f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1529569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1530dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 15310ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1532dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1533dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1534dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1535dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 15360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 15370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1538dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 15390ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1540dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1541edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1542dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1543dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1544569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 15450ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15460ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 15470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 15480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1549f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1550dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1551f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 15520ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15531970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1554dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 155577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner return ((PMTopLevelManager*)FPP)->findAnalysisPass(PI); 15560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 15570ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15580ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 155906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 156006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 156137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1562b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1563b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 15645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1565b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 15668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 15678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1568c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 15695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 157045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 15711336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1572d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1573d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1574b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1575b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 15765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 157706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 157806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 157906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 15805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 15813162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 15825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1583dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1584dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 15855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15873162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 158837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 158937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 159037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 15925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 15935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 15945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1595f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 15965c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene if (ShouldPrintBeforePass(P)) 15975c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene add(P->createPrinterPass(dbgs(), std::string("*** IR Dump Before ") 15985c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene + P->getPassName() + " ***")); 15995c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 16005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 16015c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene 16025c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene if (ShouldPrintAfterPass(P)) 16035c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene add(P->createPrinterPass(dbgs(), std::string("*** IR Dump After ") 16045c8aa950fe3484b6e115647328c196f8be64f9edDavid Greene + P->getPassName() + " ***")); 16055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 16085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1609f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 16105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 16115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 16125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 16138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 16148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 16158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 16168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 16178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 16188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 16198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 16208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 16218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 16228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 16248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 16258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 16268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 16278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 16288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 16298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 16308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 16318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 16328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 16338e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 16348e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 16358e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1636c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1637a782e75d487006cafffdc256b3c623307fee4dcfChris LattnerTimer *llvm::getPassTimer(Pass *P) { 1638c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1639a782e75d487006cafffdc256b3c623307fee4dcfChris Lattner return TheTimeInfo->getPassTimer(P); 16405c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1641c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1642c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 164309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 164409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 164509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 164636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 164709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 164809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 164909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 165009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 165109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 165209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 165309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 165409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 165509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 165609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1657c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1658f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 165909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1660f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1661f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 166297149737f27457b0411e49af3e4539688e29848fDevang Patel 1663f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 166497149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 166597149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 166697149737f27457b0411e49af3e4539688e29848fDevang Patel } 166797149737f27457b0411e49af3e4539688e29848fDevang Patel 166897149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 166997149737f27457b0411e49af3e4539688e29848fDevang Patel} 167009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 167197149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 167297149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1673f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1674f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 16753660ecabbb85b31308f38938ce3f56f0a330a84bChris Lattner printf("%s ", (*I)->getAsPass()->getPassName()); 1676f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 167797149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1678fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 167909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 168009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 168109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 168209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1683be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1684bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 168509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 168609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 168744b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 168844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 168944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 169044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 169109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 16926b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 16936b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 169409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1695bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 169644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 169709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 169809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16999d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 17009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1701be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1702bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 170309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17040938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 170577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner while (!PMS.empty()) { 17066b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 17076b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 170809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 17099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 171009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 171109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 171277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // Create new Function Pass Manager if needed. 171377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPPassManager *FPP; 171477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (PMS.top()->getPassManagerType() == PMT_FunctionPassManager) { 171577c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner FPP = (FPPassManager *)PMS.top(); 171677c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 17179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 17189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 171997149737f27457b0411e49af3e4539688e29848fDevang Patel 17209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 17219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1722bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 172397149737f27457b0411e49af3e4539688e29848fDevang Patel 17249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17259d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 172797149737f27457b0411e49af3e4539688e29848fDevang Patel 17289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 17299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 17300938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 17319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 17349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 173509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 17379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 173809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 173909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 17419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1742be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1743bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 174477c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBPassManager *BBP; 174509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 174697149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 174797149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 174877c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner if (!PMS.empty() && 174977c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner PMS.top()->getPassManagerType() == PMT_BasicBlockPassManager) { 175077c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner BBP = (BBPassManager *)PMS.top(); 175177c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner } else { 175277c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // If leaf manager is not Basic Block Pass manager then create new 175377c95ed74a4d5f122b3c9810209a0190dbf17504Chris Lattner // basic Block Pass manager. 17549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 17559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 17569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 17589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 17599d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 17629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 176497149737f27457b0411e49af3e4539688e29848fDevang Patel 176597149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 176697149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 176759ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1768531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 17699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 17719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 177209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 17749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 177509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 177609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1777580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1778d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1779d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1780d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1781d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1782d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1783d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1784d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1785df7df075b723e926e51555bf5aff6e231279a479Erick TryzelaarLLVMPassManagerRef LLVMCreateFunctionPassManagerForModule(LLVMModuleRef M) { 1786df7df075b723e926e51555bf5aff6e231279a479Erick Tryzelaar return wrap(new FunctionPassManager(unwrap(M))); 1787df7df075b723e926e51555bf5aff6e231279a479Erick Tryzelaar} 1788df7df075b723e926e51555bf5aff6e231279a479Erick Tryzelaar 1789d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1790df7df075b723e926e51555bf5aff6e231279a479Erick Tryzelaar return LLVMCreateFunctionPassManagerForModule( 1791df7df075b723e926e51555bf5aff6e231279a479Erick Tryzelaar reinterpret_cast<LLVMModuleRef>(P)); 1792d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1793d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1794d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1795d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1796d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1797d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1798d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1799d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1800d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1801d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1802d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1803d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1804d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1805d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1806d686c8e73f74e37ab5f647b65a12051ee6cbad16Chris LattnerLLVMBool LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1807d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1808d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1809d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1810d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1811d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1812d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1813