PassManager.cpp revision 017b5d969b12119a88463fe2451f20ca9214c4ff
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 5c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel// This file was developed by Devang Patel and is distributed under 655fd43f90913676682487f89f27c756adb827f66Devang Patel// the University of Illinois Open Source 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 1555fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/PassManager.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 1755fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 183799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 198f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 2085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 21b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 2255fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 2355fd43f90913676682487f89f27c756adb827f66Devang Patel 24e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 25e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Overview: 26e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// The Pass Manager Infrastructure manages passes. It's responsibilities are: 27e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Manage optimization pass execution order 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Make required Analysis information available before pass P is run 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Release memory occupied by dead passes 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o If Analysis information is dirtied by a pass then regenerate Analysis 32e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// information before it is consumed by another pass. 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Pass Manager Infrastructure uses multipe pass managers. They are PassManager, 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManager, ModulePassManager, BasicBlockPassManager. This class 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// hierarcy uses multiple inheritance but pass managers do not derive from 37e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// another pass manager. 38e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 39e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManager and FunctionPassManager are two top level pass manager that 40e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// represents the external interface of this entire pass manager infrastucture. 41e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 42e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Important classes : 43e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 44e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMTopLevelManager; 45e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 46e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Two top level managers, PassManager and FunctionPassManager, derive from 47e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMTopLevelManager. PMTopLevelManager manages information used by top level 48e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// managers such as last user info. 49e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 50e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMDataManager; 51e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 52e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager manages information, e.g. list of available analysis info, 53e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// used by a pass manager to manage execution order of passes. It also provides 54e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// a place to implement common pass manager APIs. All pass managers derive from 55e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager. 56e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 57e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class BasicBlockPassManager : public FunctionPass, public PMDataManager; 58e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 59e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// BasicBlockPassManager manages BasicBlockPasses. 60e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 61e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManager; 62e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 63e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by JIT to manage FunctionPasses. This 64e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// interface relies on FunctionPassManagerImpl to do all the tasks. 65e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 66e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager, 67e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMTopLevelManager; 68e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 69e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManagerImpl is a top level manager. It manages FunctionPasses 70e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// and BasicBlockPassManagers. 71e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 72e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class ModulePassManager : public Pass, public PMDataManager; 73e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 74e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManager manages ModulePasses and FunctionPassManagerImpls. 75e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 76e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManager; 77e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 78e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by various tools to manages passes. It 79e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// relies on PassManagerImpl to do all the tasks. 80e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 81e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManagerImpl : public Pass, public PMDataManager, 82e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMDTopLevelManager 83e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 84e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManagerImpl is a top level pass manager responsible for managing 85e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManagers. 86e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 87e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 8845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 8945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 9045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 9145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 9245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 9345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 9445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 9545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 9645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 97e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 98e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 99e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 100e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 101e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 10245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 10345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang PatelPassDebugging_New("debug-pass", cl::Hidden, 10445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 10545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 106e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 107e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 108e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 109e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 110e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 11145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 11245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1143162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#ifndef USE_OLD_PASSMANAGER 115c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelnamespace llvm { 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelclass PMDataManager; 1181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1193f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1203f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 1233f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 1243f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelclass PMTopLevelManager { 1253f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1263f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 1273f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1283f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 1293f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1303f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1313f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1323f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1333f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1343f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1353f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1363f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1373f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 139e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel void schedulePass(Pass *P); 1403f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1433f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1443f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1453f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1463f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1473f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1483f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1493f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1503f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 15169867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. Search immutable 15269867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// passes and all pass managers. If desired pass is not found 15369867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 15469867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID); 15569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1563162691f69f85f740bc28f3ddca39b166d35187cDevang Patel inline void clearManagers() { 1573162691f69f85f740bc28f3ddca39b166d35187cDevang Patel PassManagers.clear(); 1583162691f69f85f740bc28f3ddca39b166d35187cDevang Patel } 1593162691f69f85f740bc28f3ddca39b166d35187cDevang Patel 1603f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 16137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 16237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 16337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassManagers.end(); I != E; ++I) 16437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 16537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 16637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<ImmutablePass *>::iterator 16737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 16837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 16937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1703f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel PassManagers.clear(); 1713f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1723f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1733e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Add immutable pass and initialize it. 1743e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline void addImmutablePass(ImmutablePass *P) { 1753e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel P->initializePass(); 1763e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel ImmutablePasses.push_back(P); 1773e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1783e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 1793e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel inline std::vector<ImmutablePass *>& getImmutablePasses() { 1803e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel return ImmutablePasses; 1813e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel } 1823e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 183a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel void addPassManager(Pass *Manager) { 184a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel PassManagers.push_back(Manager); 185a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel } 186a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel 187591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // Add Manager into the list of managers that are not directly 188591b1b7526ed9c099de23cc995853a250c20502fDevang Patel // maintained by this top level pass manager 1891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel inline void addIndirectPassManager(PMDataManager *Manager) { 1901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel IndirectPassManagers.push_back(Manager); 191591b1b7526ed9c099de23cc995853a250c20502fDevang Patel } 192591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 193ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this top level manager. 194ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPasses(); 195c32cf54101ecaf336d161fecd58667870149169cDevang Patel void dumpArguments(); 196ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 2003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 2013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 202591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 203591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 2041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 205591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 2063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 2073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 2083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 2093e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 2103e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 2113e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 2123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 2133f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 214dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 215dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2163f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 217419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 218419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 219419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 22085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 22185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 22285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 223f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 224dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 225dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 226dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 22737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel virtual ~PMDataManager() { 22837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 22937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 23037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassVector.end(); I != E; ++I) 23137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 23237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel PassVector.clear(); 23437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel } 23537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 23785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 23885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 23985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 241f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 24285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 24485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 24585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 2474eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel void removeDeadPasses(Pass *P, std::string &Msg); 24885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2494045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 250893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 251893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 252e253385b108cd946b1ac150302f246d3b218be77Devang Patel 253c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 254cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 255e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 256c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 257c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 258c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 259c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 260c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 261c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 262c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 263c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 264c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 265c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 266c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 267c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 268c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 269b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 27069867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 27169867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 27269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 27369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 274e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 275e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 276e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 277e253385b108cd946b1ac150302f246d3b218be77Devang Patel 278e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 279e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 280e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 281e253385b108cd946b1ac150302f246d3b218be77Devang Patel 282dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 283dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 284dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 285dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 286f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 287f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 288ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print list of passes that are last used by P. 289ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpLastUses(Pass *P, unsigned Offset) { 290ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 291ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel std::vector<Pass *> LUses; 292ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 293ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel assert (TPM && "Top Level Manager is missing"); 294ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel TPM->collectLastUses(LUses, P); 295ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 296ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 297ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = LUses.end(); I != E; ++I) { 298ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 299ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(0); 300ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 301ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 302ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 303c32cf54101ecaf336d161fecd58667870149169cDevang Patel void dumpPassArguments() { 304c32cf54101ecaf336d161fecd58667870149169cDevang Patel for(std::vector<Pass *>::iterator I = PassVector.begin(), 305c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassVector.end(); I != E; ++I) { 306c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 307c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 308c32cf54101ecaf336d161fecd58667870149169cDevang Patel else 309c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 310c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (!PI->isAnalysisGroup()) 311c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << " -" << PI->getPassArgument(); 312c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 313c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 314c32cf54101ecaf336d161fecd58667870149169cDevang Patel 3154eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel void dumpPassInfo(Pass *P, std::string &Msg1, std::string &Msg2) { 3164eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel if (PassDebugging_New < Executions) 3174eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel return; 3184eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 3194eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << Msg1; 3204eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << P->getPassName(); 3214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << Msg2; 3224eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel } 3234eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 324017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel void dumpAnalysisSetInfo(const char *Msg, Pass *P, 325017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel const std::vector<AnalysisID> &Set) { 326017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel if (PassDebugging_New >= Details && !Set.empty()) { 327017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 328017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel for (unsigned i = 0; i != Set.size(); ++i) { 329017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel if (i) cerr << ","; 330017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel cerr << " " << Set[i]->getPassName(); 331017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel } 332017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel cerr << "\n"; 333017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel } 334017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel } 335e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 336e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 337e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 338e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 339e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 340e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 341e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 342e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 343e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 344e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 34585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3465770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3475770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3485770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3495770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 350b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 351e253385b108cd946b1ac150302f246d3b218be77Devang Patel 352e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 353e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 354dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 355f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 35685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 35785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3587e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3593162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager 3607e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3613162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// BasicBlockPassManager manages BasicBlockPass. It batches all the 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 3643162691f69f85f740bc28f3ddca39b166d35187cDevang Patelclass BasicBlockPassManager : public PMDataManager, 365abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 366c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 367c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3683162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager(int D) : PMDataManager(D) { } 369c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 371c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 372c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 373c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 375c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 376c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 37766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 37866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 37966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 38066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 38166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 382964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 383964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 384964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 385964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 386964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 387ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 388ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 389ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBLockPass Manager\n"; 390ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 391ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 392ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 393ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 394ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 395ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 397c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3987e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3997e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 4007e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4016e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// FunctionPassManagerImpl_New manages FunctionPasses and 4026e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// BasicBlockPassManagers. It batches all function passes and basic block pass 4036e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// managers together and sequence them to process one function at a time before 4046e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// processing next function. 405eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 406eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 407eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 409f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 412c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 413c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 414eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 415145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 416c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 417145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 418145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 419145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 420145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 421145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 422689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 423c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 424689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 425c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 426c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 427c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 428eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 429eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 430c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 431c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 432c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 433c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 434c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 435877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 436e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 437877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 438c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 439c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 440c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 441c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 442c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 443c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 444c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 445c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 446214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 447c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 448c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4493799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4503799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4513799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4523799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4533799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4543799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4553799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 45666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 45766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 45866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 45966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 462ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 463ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 464ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 465ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 466ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 467ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 468ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 469ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 470ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 472c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 473c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 4743162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager *activeBBPassManager; 475c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 476c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4777e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4783162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// ModulePassManager 4797e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4803162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// ModulePassManager manages ModulePasses and function pass managers. 481c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 482c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 4833162691f69f85f740bc28f3ddca39b166d35187cDevang Patelclass ModulePassManager : public Pass, 484e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 485c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 486c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 4873162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager(int D) : PMDataManager(D) { 488f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 489f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 490c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 491c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 492c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 493c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 494c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 495c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 496c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 497be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 49866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 49966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 50066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 50166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 50266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 503ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 504ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 505ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 506ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 507ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 508ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 509ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 510ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 511ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 512ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 513c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 514c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 515c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 516c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 517c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 5187e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 5197e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 5207e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 5217e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 522877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 523877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 524eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 5255a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5265a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 5275a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 528395ed739849a0507a2faae0829287c039c3589f8Devang Patel PassManagerImpl_New(int D) : PMDataManager(D) { 529395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 530395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 531f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 5325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 5335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 5345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 5355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 536877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 537e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 538877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 5395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 5415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 5425a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 5435a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 54466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 54566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 54666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 54766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 54866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 549eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 550145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 551c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 552145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 553145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 554145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 555145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 556145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 557689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 558c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 559689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 560145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 561c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 562c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 563eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 564eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5671209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5713162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *activeManager; 5725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5735a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 574c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 575c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 57606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 5801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 5811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 5841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 5891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 5921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 5981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 5991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 6001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 6011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 6021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 6031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 6041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 6071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 6081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 6091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 6101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 6121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 6131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 6151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 6211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 6231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 6241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 6251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 638d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 639d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 640d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 641d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 642d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 643d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 644d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 645d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 646d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 647d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 648d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 649d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 650d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 6511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 6521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 6531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 6541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 6591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 6601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 6611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 6621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 6631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 6641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 671ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 672ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patelvoid PMTopLevelManager::dumpPasses() { 673ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 674ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 675ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 676ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 677ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 678ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 679ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 680ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 681ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 682ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 683ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 684ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 685c32cf54101ecaf336d161fecd58667870149169cDevang Patelvoid PMTopLevelManager::dumpArguments() { 686c32cf54101ecaf336d161fecd58667870149169cDevang Patel 687c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (PassDebugging_New < Arguments) 688c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 689c32cf54101ecaf336d161fecd58667870149169cDevang Patel 690c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 691c32cf54101ecaf336d161fecd58667870149169cDevang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 692c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 693c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 694c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 695c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 696c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 697c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 698c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 699c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 701419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 702889739c4d188d28c167644bced9df0f3131317d7Devang Patel 7032c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 704889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 705419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 706889739c4d188d28c167644bced9df0f3131317d7Devang Patel 7074045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 7084045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 7094045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 7104045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 7114045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 7124045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 7134045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 714889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 715889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 716889739c4d188d28c167644bced9df0f3131317d7Devang Patel 717b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 718f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 719b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 720b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 721b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 722b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 723f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 724f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 725f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 726f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 727f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 728b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 729b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 730b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 731889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 732419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 73314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 73414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 73514d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 73604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 73704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 73804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 73904b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 740b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 74154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 742b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 74314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 74414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 74554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel if (!dynamic_cast<ImmutablePass*>(I->second)) { 74654e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 74754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel AvailableAnalysis.erase(J); 74854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 74954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 75054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 75154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 75214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 753889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 754889739c4d188d28c167644bced9df0f3131317d7Devang Patel 755df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7564eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) { 757f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 758f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 759f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 760f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 761f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 762f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 7634eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7644eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg1 = " Freeing Pass '"; 7654eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(*I, Msg1, Msg); 7664eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 767f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 768f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 769f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 770f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 771f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 772964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 773f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 774f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 775f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 776df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 777df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 7784045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 779893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 78004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 78104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 782e253385b108cd946b1ac150302f246d3b218be77Devang Patel 783145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 784145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 785145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 786145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 787145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 788893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 789e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 790e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 791e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 792e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 793e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 794e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 795e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 796e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 797e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 798e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 799e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 800cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 801cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 802cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 803cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 804e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 805e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 806e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 807e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 808e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 809e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 810e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 811e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 812e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 813e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 814e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 815e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 816e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 817e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 818e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 8190ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 820893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 821893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 8220ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 823893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 824e253385b108cd946b1ac150302f246d3b218be77Devang Patel 825e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 826e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 827e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 828e253385b108cd946b1ac150302f246d3b218be77Devang Patel 829c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 830c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 831c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 832c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 833c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 834c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 835c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 836c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 837c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 838c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 83969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 840c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 841c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 842c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 84327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 84427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 84527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 84627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 84727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 84827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 84927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 85027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 851c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 852c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 8532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 8542f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 8552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 8562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 8572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 858419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 8593799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 8603799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 8612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 8622f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 8632f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 8642f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 86569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 8672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 868298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 869298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8712f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8722f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 87369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 87469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 87569867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 87669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 87769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 87869867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 87969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 88069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 88169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 88269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 88369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 88469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 88569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 88669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8875b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 88869867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 88969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 890f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 891f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 892f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 893f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 894f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 895f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 896f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 897f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 89806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8993162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager implementation 90055fd43f90913676682487f89f27c756adb827f66Devang Patel 9012c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 9022c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 90355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9043162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::addPass(Pass *P) { 90555fd43f90913676682487f89f27c756adb827f66Devang Patel 90655fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 90755fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 90855fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 90955fd43f90913676682487f89f27c756adb827f66Devang Patel 91053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 91153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 9122c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 91353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 91453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 915e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 91614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 91755fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 91855fd43f90913676682487f89f27c756adb827f66Devang Patel} 91955fd43f90913676682487f89f27c756adb827f66Devang Patel 92055fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 92155fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 92255fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 92355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9243162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::runOnFunction(Function &F) { 92555fd43f90913676682487f89f27c756adb827f66Devang Patel 9261fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 9271fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9281fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9293b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 930cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 931c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 932693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 933693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 934693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 93555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 936e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 937e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 93855fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 939017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 940017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 941017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 9424eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on BasicBlock '" + (*I).getName() + "'...\n"; 9434eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 944017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 945017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 94641545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 947693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 94855fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 94955fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 950693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 951693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 952693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 953017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 954693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 955c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 9560ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 9574eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 95855fd43f90913676682487f89f27c756adb827f66Devang Patel } 9593b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 96055fd43f90913676682487f89f27c756adb827f66Devang Patel} 96155fd43f90913676682487f89f27c756adb827f66Devang Patel 962964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 9633162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Module &M) { 964964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 965964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 966964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 967964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 968964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 969964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 970964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 971964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 972964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 973964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 974964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 975964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9763162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Module &M) { 977964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 978964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 979964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 980964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 981964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 982964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 983964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 984964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 985964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 986964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 987964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 988964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9893162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Function &F) { 990964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 991964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 992964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 993964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 994964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 995964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 996964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 997964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 998964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 999964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1000964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1001964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10023162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Function &F) { 1003964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1004964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1005964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1006964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1007964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1008964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1009964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1010964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1011964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1012964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1013964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1014964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1015964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 101606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10173162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 101806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1019c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10203162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 1021cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 1022dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1023dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1024b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1025b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 1026b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 1027b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1028b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1029b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 1030cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1031cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1032cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10333162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 10343162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Note : FPM maintains one entry in PassManagers vector. 10353162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // This one entry is FPM itself. This is not ideal. One 10363162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // alternative is have one additional layer between 10373162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // FunctionPassManager and FunctionPassManagerImpl. 10383162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Meanwhile, to avoid going into infinte loop, first 10393162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // remove FPM from its PassMangers vector. 10403162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FPM->clearManagers(); 104137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 104237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 104337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1044c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1045c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1046c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1047c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1048c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 10493162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1050c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1051c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1052c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1053214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1054214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1055214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1056214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 10573162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1058214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1059214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1060e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 1061214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1062214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1063c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1064214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1065214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1066214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10673799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10683799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10693162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10733799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10743799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10753162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10763799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10773799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 107906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 1080c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 1081448d27cd795dc273249f123444509403f4fa4facDevang Patel 1082448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 1083448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 1084448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 1085448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 1086c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 1087448d27cd795dc273249f123444509403f4fa4facDevang Patel 10883162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager. 1089448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 1090448d27cd795dc273249f123444509403f4fa4facDevang Patel 1091badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 1092448d27cd795dc273249f123444509403f4fa4facDevang Patel 1093badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1094badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 1095badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1096b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1097badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1098f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 10993162691f69f85f740bc28f3ddca39b166d35187cDevang Patel new BasicBlockPassManager(getDepth() + 1); 1100dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1101dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 11021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 1104893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 11051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 11081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1110badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1111badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11122c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 11132c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 1114448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1115e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1116e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1117e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1118e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1119448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1120448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1121448d27cd795dc273249f123444509403f4fa4facDevang Patel 1122448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1123448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1124448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1125448d27cd795dc273249f123444509403f4fa4facDevang Patel 112653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 112753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 11282c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 112953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 113053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1131e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1132badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1133badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1134badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1135badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1136badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1137badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1138badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1139448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1140448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1141448d27cd795dc273249f123444509403f4fa4facDevang Patel 1142448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1143448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1144448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1145214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1146448d27cd795dc273249f123444509403f4fa4facDevang Patel 11474d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1148cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1149c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1150448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 115197856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 115297856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 11534d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 1154448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1155448d27cd795dc273249f123444509403f4fa4facDevang Patel 1156214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1157214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1158214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1159214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1160214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1161214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 11621fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11631fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 11641fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11651fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1166cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1167214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1168693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1169693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1170693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1171214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1172214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1173214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 1174017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1175017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1176693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11774eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Function '" + F.getName() + "'...\n"; 11784eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1179017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1180693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 118141545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1182214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 1183214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 1184693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1185693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1186693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1187017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1188693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1189214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 11900ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 11914eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 1192214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1193214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1194214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1195214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1196214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11973799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 11983799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11993799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12003799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 12013799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 12023799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 12033799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12043799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12053799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 12063799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12073799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12083799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12093799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12103799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12113799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 12123799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12133799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12143799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 12153799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 12163799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 12173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12183799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12193799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 12203799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12213799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12223799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12233799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12243799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1225c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1226c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1227c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1228c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1229c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1230c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1231c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 12323162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FunctionPassManagerImpl_New *FP = 12333162691f69f85f740bc28f3ddca39b166d35187cDevang Patel dynamic_cast<FunctionPassManagerImpl_New *>(*I); 1234c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1235c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1236c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1237c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1238c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 123906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 124092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 124192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 124292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1243c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 124492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 124592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 12463162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::addPass(Pass *P) { 124792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 124892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 124992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 125092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 125169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 125292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1253badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1254badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1255badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1256b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1257badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1258f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1259f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 12601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 12611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1262893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 12631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1264dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1265dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 12661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 12671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 12686e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner PMDataManager *PMD = 12696e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner dynamic_cast<PMDataManager *>(activeFunctionPassManager); 12706e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner assert(PMD && "Manager is not Pass Manager"); 12711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1272591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1273badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 12742c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 12752c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 127692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1277e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1278e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1279e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1280e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 128192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 128292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 128392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 128492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 128592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 128692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 128792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 128853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 128953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 12902c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 129153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 129253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1293e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1294badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1295badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1296badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1297badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1298badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1299badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 130092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 130192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 130292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 130392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 130492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 130592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 130692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 130792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13083162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::runOnModule(Module &M) { 130992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1310cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1311c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1312693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1313693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1314693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1315e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1316e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 131792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 1318017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1319017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1320693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Module '" + M.getModuleIdentifier() + "'...\n"; 13224eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1323017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1324693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 132541545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 132692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 132792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1328693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1329693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1330693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1331017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1332017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 1333c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 13340ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 13354eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 133692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 133792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 133892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 133992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 134006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 134106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 134237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1343b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1344b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1345f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1346b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1347a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 13483162691f69f85f740bc28f3ddca39b166d35187cDevang Patel activeManager = new ModulePassManager(getDepth() + 1); 1349dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1350dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1351145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1352145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1353145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1354145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1355145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1356145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1357a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1358502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1359b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1360502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1361b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1362b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1363b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1364b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1365f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1366b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1367b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 136845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1369c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 1370e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel if (PassDebugging_New >= Structure) 137145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel dumpPasses(); 137245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1373a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1374a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 13753162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *MP = dynamic_cast<ModulePassManager *>(*I); 1376a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1377b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1378b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1379b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 13805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 138106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 138206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 138306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 13845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 13853162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 1386f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1387dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1388dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 13895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13913162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 139237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 139337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 139437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 13955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 13965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 13975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 13985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 13995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 14003162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 14015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 14065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 14073162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 14085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 14095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14113162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#endif 1412