PassManager.cpp revision e8ff1ce7343c697ff90d940c8c5fa8fccc09220d
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(); 195ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1963f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 1993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 2003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 201591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 202591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 2031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 204591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 2053f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 2063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 2073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 2083e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 2093e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 2103e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 2113f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 2123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 213dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 214dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 216419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 217419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 218419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 21985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 22085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 22185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 222f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 223dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 224dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 225dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 22637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel virtual ~PMDataManager() { 22737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 22837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 22937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassVector.end(); I != E; ++I) 23037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 23137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel PassVector.clear(); 23337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel } 23437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 23685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 23785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 23885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 23985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 240f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 24185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 24385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 24485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 246df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel void removeDeadPasses(Pass *P); 24785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2484045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 249893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 250893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel void addPassToManager (Pass *P, bool ProcessAnalysis = true); 251e253385b108cd946b1ac150302f246d3b218be77Devang Patel 252c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 253cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 254e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.clear(); 255c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 256c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 257c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 258c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 259c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 260c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 261c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 262c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 263c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 264c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 265c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 266c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 267c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 268b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 26969867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 27069867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 27169867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 27269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 273e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 274e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 275e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 276e253385b108cd946b1ac150302f246d3b218be77Devang Patel 277e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 278e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 279e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 280e253385b108cd946b1ac150302f246d3b218be77Devang Patel 281dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 282dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 283dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 284dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 285f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 286f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 287ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print list of passes that are last used by P. 288ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpLastUses(Pass *P, unsigned Offset) { 289ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 290ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel std::vector<Pass *> LUses; 291ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 292ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel assert (TPM && "Top Level Manager is missing"); 293ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel TPM->collectLastUses(LUses, P); 294ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 295ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 296ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = LUses.end(); I != E; ++I) { 297ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 298ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(0); 299ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 300ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 301ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 302e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 303e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 304e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Collection of pass whose last user asked this manager to claim 305e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // last use. If a FunctionPass F is the last user of ModulePass info M 306e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 307e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> ForcedLastUses; 308e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 309e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 310e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 311e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 31285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3135770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3145770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3155770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3165770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 317b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 318e253385b108cd946b1ac150302f246d3b218be77Devang Patel 319e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 320e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 321dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 322f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 32385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 32485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3257e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3263162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager 3277e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3283162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// BasicBlockPassManager manages BasicBlockPass. It batches all the 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 330c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 3313162691f69f85f740bc28f3ddca39b166d35187cDevang Patelclass BasicBlockPassManager : public PMDataManager, 332abb81054d1ac57014774b092ce3094c47effbddbDevang Patel public FunctionPass { 333c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 334c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3353162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager(int D) : PMDataManager(D) { } 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 340c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 341c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 342c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 343c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 34466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 34566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 34666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 34766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 34866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 349964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 350964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 351964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 352964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 353964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 354ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 355ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 356ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBLockPass Manager\n"; 357ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 358ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 359ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 360ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 361ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 362ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 363ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 364c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 365c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3667e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3677e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 3687e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 369c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// FunctionPassManagerImpl_New manages FunctionPasses and BasicBlockPassManagers. 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all function passes and basic block pass managers together and 371c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one function at a time before processing next 372c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// function. 373eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 374eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 375eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 376c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 377f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 380c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 382eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 383145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 384c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 385145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 386145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 387145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 388145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 389145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 390689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 391c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 392689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 393c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 394c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 395c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 396eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 397eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 398c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 399c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 400c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 401c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 402c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 403877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 404e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 405877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 412c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 413c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 414214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 415c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 416c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4173799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4183799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4193799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4203799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4213799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4223799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4233799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 42466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 42566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 42666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 42766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 42866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 42966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 430ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 431ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 432ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 433ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 434ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 435ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 436ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 437ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 438ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 439ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 440c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 441c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 4423162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager *activeBBPassManager; 443c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 444c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4457e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4463162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// ModulePassManager 4477e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4483162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// ModulePassManager manages ModulePasses and function pass managers. 449c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 4513162691f69f85f740bc28f3ddca39b166d35187cDevang Patelclass ModulePassManager : public Pass, 452e16634065021e36ae31f074f623a636924d6b8d1Devang Patel public PMDataManager { 453c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 454c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 4553162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager(int D) : PMDataManager(D) { 456f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 457f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 458c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 459c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 460c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 461c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 462c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 463c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 464c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 465be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 46666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 47066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 472ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 473ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 474ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 475ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 476ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 477ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 478ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 479ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 480ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 481c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 482c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 483c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 484c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 485c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4867e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4877e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 4887e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4897e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 490877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 491877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 492eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 496395ed739849a0507a2faae0829287c039c3589f8Devang Patel PassManagerImpl_New(int D) : PMDataManager(D) { 497395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 498395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 499f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 5005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 5015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 5025a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 5035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 504877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 505e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 506877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 5075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 5095a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 5105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 5115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 51266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 51366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 51466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 51566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 51666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 517eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 518145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 519c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 520145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 521145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 522145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 523145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 524145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 525689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 526c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 527689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 528145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 529c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 530c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 531eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 532eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5351209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5393162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *activeManager; 5405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 542c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel} // End of llvm namespace 543c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 54406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 5591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 5601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 5611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 5761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 5771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 5781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 5811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 5821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 5841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 5851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 5881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 5901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 5911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 5921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 5931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 5941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 607d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 608d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 609d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 610d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 611d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 612d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 613d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 614d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 615d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 616d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 617d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 618d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 619d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 6201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 6211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 6231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 6281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 6291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 6301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 6311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 6321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 6331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 640ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 641ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patelvoid PMTopLevelManager::dumpPasses() { 642ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 643ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 644ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 645ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 646ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 647ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 648ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 649ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 650ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 651ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 652ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 653ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 6541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 655419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 656889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6572c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 658889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 659419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 660889739c4d188d28c167644bced9df0f3131317d7Devang Patel 6614045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 6624045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 6634045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 6644045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 6654045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 6664045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 6674045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 668889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 669889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 670889739c4d188d28c167644bced9df0f3131317d7Devang Patel 671b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 672f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 673b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 674b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 675b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 676b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 677f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 678f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 679f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 680f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 681f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 682b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 683b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 684b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 685889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 686419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 68714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 68814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 68914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 69004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 69104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 69204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 69304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 694b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 69554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 696b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 69714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 69814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 69954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel if (!dynamic_cast<ImmutablePass*>(I->second)) { 70054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 70154e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel AvailableAnalysis.erase(J); 70254e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 70354e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 70454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 70554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 70614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 707889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 708889739c4d188d28c167644bced9df0f3131317d7Devang Patel 709df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 710419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P) { 711f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 712f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 713f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 714f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 715f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 716f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 717f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 718f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 719f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 720f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 721f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 722964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 723f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 724f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 725f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 726df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 727df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 7284045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 729893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 73004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 73104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 732e253385b108cd946b1ac150302f246d3b218be77Devang Patel 733145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 734145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 735145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 736145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 737145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 738893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 739e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 740e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 741e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 742e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 743e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 744e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 745e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 746e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 747e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 748e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 749e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 750cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 751cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 752cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 753cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 754e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 755e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 756e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 757e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 758e16634065021e36ae31f074f623a636924d6b8d1Devang Patel ForcedLastUses.push_back(PRequired); 759e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 760e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 761e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 762e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 763e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 764e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 765e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 766e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!LastUses.empty()) 767e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(LastUses, P); 768e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 7690ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 770893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 771893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 7720ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 773893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 774e253385b108cd946b1ac150302f246d3b218be77Devang Patel 775e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 776e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 777e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 778e253385b108cd946b1ac150302f246d3b218be77Devang Patel 779c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 780c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 781c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 782c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 783c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 784c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 785c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 786c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 787c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 788c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 78969867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 790c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 791c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 792c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 79327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 79427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 79527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 79627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 79727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 79827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 79927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 80027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 801c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 802c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 8032f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 8042f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 8052f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 8062f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 8072f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 808419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 8093799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 8103799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 8112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 8122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 8132f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 8142f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 81569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8162f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 8172f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 818298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 819298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8202f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8212f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8222f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 82369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 82469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 82569867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 82669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 82769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 82869867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 82969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 83069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 83169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 83269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 83369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 83469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 83569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 83669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 8375b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 83869867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 83969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 840f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 841f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 842f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 843f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 844f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 845f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 846f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 847f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 84806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 8493162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager implementation 85055fd43f90913676682487f89f27c756adb827f66Devang Patel 8512c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 8522c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 85355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8543162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::addPass(Pass *P) { 85555fd43f90913676682487f89f27c756adb827f66Devang Patel 85655fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 85755fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 85855fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 85955fd43f90913676682487f89f27c756adb827f66Devang Patel 86053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 86153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 8622c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 86353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 86453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 865e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (BP); 86614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 86755fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 86855fd43f90913676682487f89f27c756adb827f66Devang Patel} 86955fd43f90913676682487f89f27c756adb827f66Devang Patel 87055fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 87155fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 87255fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 87355fd43f90913676682487f89f27c756adb827f66Devang Patelbool 8743162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::runOnFunction(Function &F) { 87555fd43f90913676682487f89f27c756adb827f66Devang Patel 8761fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 8771fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 8781fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 8793b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 880cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 881c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 88255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 883e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 884e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 88555fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 88641545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 88755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 88855fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 889c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 8900ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 891df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 89255fd43f90913676682487f89f27c756adb827f66Devang Patel } 8933b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 89455fd43f90913676682487f89f27c756adb827f66Devang Patel} 89555fd43f90913676682487f89f27c756adb827f66Devang Patel 896964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 8973162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Module &M) { 898964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 899964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 900964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 901964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 902964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 903964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 904964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 905964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 906964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 907964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 908964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 909964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9103162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Module &M) { 911964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 912964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 913964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 914964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 915964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 916964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 917964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 918964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 919964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 920964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 921964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 922964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9233162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Function &F) { 924964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 925964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 926964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 927964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 928964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 929964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 930964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 931964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 932964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 933964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 934964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 935964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 9363162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Function &F) { 937964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 938964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 939964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 940964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 941964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 942964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 943964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 944964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 945964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 946964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 947964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 948964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 949964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 95006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9513162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 95206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 953c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 9543162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 955cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 956dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 957dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 958b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 959b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 960b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 961b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 962b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 963b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 964cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 965cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 966cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 9673162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 9683162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Note : FPM maintains one entry in PassManagers vector. 9693162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // This one entry is FPM itself. This is not ideal. One 9703162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // alternative is have one additional layer between 9713162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // FunctionPassManager and FunctionPassManagerImpl. 9723162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Meanwhile, to avoid going into infinte loop, first 9733162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // remove FPM from its PassMangers vector. 9743162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FPM->clearManagers(); 97537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 97637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 97737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 978c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 979c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 980c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 981c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 982c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 9833162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 984c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 985c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 986c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 987214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 988214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 989214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 990214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 9913162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 992214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 993214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 994e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 995214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 996214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 997c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 998214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 999214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1000214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 10013799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 10023799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10033162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 10043799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 10053799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10063799f97d539f6c288d169063e1b335917fafcffbDevang Patel 10073799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 10083799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 10093162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 10103799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 10113799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 10123799f97d539f6c288d169063e1b335917fafcffbDevang Patel 101306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 1014c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 1015448d27cd795dc273249f123444509403f4fa4facDevang Patel 1016448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 1017448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 1018448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 1019448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 1020c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 1021448d27cd795dc273249f123444509403f4fa4facDevang Patel 10223162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager. 1023448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 1024448d27cd795dc273249f123444509403f4fa4facDevang Patel 1025badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 1026448d27cd795dc273249f123444509403f4fa4facDevang Patel 1027badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1028badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 1029badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1030b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1031badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1032f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 10333162691f69f85f740bc28f3ddca39b166d35187cDevang Patel new BasicBlockPassManager(getDepth() + 1); 1034dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1035dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 10361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 1038893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 10391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 10401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 10411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 10421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 10431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1044badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1045badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 10462c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 10472c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 1048448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1049e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1050e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1051e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1052e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1053448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1054448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1055448d27cd795dc273249f123444509403f4fa4facDevang Patel 1056448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1057448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1058448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1059448d27cd795dc273249f123444509403f4fa4facDevang Patel 106053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 106153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 10622c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 106353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 106453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1065e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1066badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1067badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1068badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1069badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1070badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1071badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1072badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1073448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1074448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1075448d27cd795dc273249f123444509403f4fa4facDevang Patel 1076448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1077448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1078448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1079214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1080448d27cd795dc273249f123444509403f4fa4facDevang Patel 10814d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1082cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1083c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1084448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 108597856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 108697856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 10874d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 1088448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1089448d27cd795dc273249f123444509403f4fa4facDevang Patel 1090214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1091214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1092214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1093214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1094214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1095214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 10961fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 10971fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 10981fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 10991fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1100cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1101214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1102214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1103214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1104214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 110541545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1106214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 1107214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 1108214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 11090ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1110214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeDeadPasses(P); 1111214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1112214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1113214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1114214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1115214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11163799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 11173799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11183799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11193799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 11203799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 11213799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 11223799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11233799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 11243799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 11253799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11263799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11273799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11283799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11293799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11303799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 11313799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 11323799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11333799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 11343799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 11353799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 11363799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11373799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 11383799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 11393799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 11403799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11413799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 11423799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11433799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1144c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1145c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1146c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1147c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1148c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1149c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1150c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 11513162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FunctionPassManagerImpl_New *FP = 11523162691f69f85f740bc28f3ddca39b166d35187cDevang Patel dynamic_cast<FunctionPassManagerImpl_New *>(*I); 1153c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1154c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1155c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1156c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1157c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 115806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 115992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 116092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 116192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1162c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 116392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 116492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 11653162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::addPass(Pass *P) { 116692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 116792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 116892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 116992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 117069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 117192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1172badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1173badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1174badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1175b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1176badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1177f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1178f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 11791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1181893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 11821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1183dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1184dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 11851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeFunctionPassManager); 11881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1190591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1191badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11922c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 11932c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 119492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 1195e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1196e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (!ForcedLastUses.empty()) 1197e16634065021e36ae31f074f623a636924d6b8d1Devang Patel TPM->setLastUser(ForcedLastUses, this); 1198e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 119992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 120092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 120192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 120292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 120392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 120492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 120592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 120653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 120753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 12082c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 120953596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 121053596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1211e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1212badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1213badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1214badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1215badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1216badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1217badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 121892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 121992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 122092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 122192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 122292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 122392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 122492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 122592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 12263162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::runOnModule(Module &M) { 122792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1228cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1229c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1230e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1231e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 123292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 123341545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 123492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 123592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 1236c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 12370ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 1238df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel removeDeadPasses(P); 123992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 124092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 124192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 124292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 124306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 124406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 124537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1246b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1247b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1248f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1249b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1250a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 12513162691f69f85f740bc28f3ddca39b166d35187cDevang Patel activeManager = new ModulePassManager(getDepth() + 1); 1252dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1253dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1254145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1255145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1256145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1257145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1258145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1259145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1260a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1261502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1262b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1263502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1264b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1265b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1266b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1267b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1268f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1269b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1270b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 127145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1272e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel if (PassDebugging_New >= Structure) 127345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel dumpPasses(); 127445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1275a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1276a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 12773162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *MP = dynamic_cast<ModulePassManager *>(*I); 1278a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1279b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1280b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1281b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 12825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 128306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 128406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 128506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 12865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 12873162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 1288f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1289dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1290dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 12915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 12925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 12933162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 129437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 129537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 129637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 12975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 12985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 12995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 13005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 13015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 13023162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 13035a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 13045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 13075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 13085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 13093162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 13105a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 13115a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 13125a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 13133162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#endif 1314