PassManager.cpp revision 1a8038636c2998e37f2130b0ab89a3686d9c1f48
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" 178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/Timer.h" 1855fd43f90913676682487f89f27c756adb827f66Devang Patel#include "llvm/Module.h" 193799f97d539f6c288d169063e1b335917fafcffbDevang Patel#include "llvm/ModuleProvider.h" 208f487662869d10c866b9ebdccb8f6a7509d3ab56Bill Wendling#include "llvm/Support/Streams.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 2285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 23b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 24c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 2555fd43f90913676682487f89f27c756adb827f66Devang Patelusing namespace llvm; 26c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelclass llvm::PMDataManager; 2755fd43f90913676682487f89f27c756adb827f66Devang Patel 28e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 29e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Overview: 30e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// The Pass Manager Infrastructure manages passes. It's responsibilities are: 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 32e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Manage optimization pass execution order 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Make required Analysis information available before pass P is run 34e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o Release memory occupied by dead passes 35e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// o If Analysis information is dirtied by a pass then regenerate Analysis 36e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// information before it is consumed by another pass. 37e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 38a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner// Pass Manager Infrastructure uses multiple pass managers. They are 39a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner// PassManager, FunctionPassManager, ModulePassManager, BasicBlockPassManager. 40a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner// This class hierarcy uses multiple inheritance but pass managers do not derive 41a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner// from another pass manager. 42e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 43a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner// PassManager and FunctionPassManager are two top-level pass manager that 44e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// represents the external interface of this entire pass manager infrastucture. 45e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 46e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Important classes : 47e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 48e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMTopLevelManager; 49e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 50e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// Two top level managers, PassManager and FunctionPassManager, derive from 51e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMTopLevelManager. PMTopLevelManager manages information used by top level 52e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// managers such as last user info. 53e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 54e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PMDataManager; 55e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 56e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager manages information, e.g. list of available analysis info, 57e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// used by a pass manager to manage execution order of passes. It also provides 58e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// a place to implement common pass manager APIs. All pass managers derive from 59e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PMDataManager. 60e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 61e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class BasicBlockPassManager : public FunctionPass, public PMDataManager; 62e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 63e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// BasicBlockPassManager manages BasicBlockPasses. 64e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 65e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManager; 66e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 67e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by JIT to manage FunctionPasses. This 68e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// interface relies on FunctionPassManagerImpl to do all the tasks. 69e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 70e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class FunctionPassManagerImpl : public ModulePass, PMDataManager, 71e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMTopLevelManager; 72e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 73e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// FunctionPassManagerImpl is a top level manager. It manages FunctionPasses 74e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// and BasicBlockPassManagers. 75e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 76e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class ModulePassManager : public Pass, public PMDataManager; 77e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 78e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManager manages ModulePasses and FunctionPassManagerImpls. 79e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 80e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManager; 81e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 82e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// This is a external interface used by various tools to manages passes. It 83e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// relies on PassManagerImpl to do all the tasks. 84e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 85e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// [o] class PassManagerImpl : public Pass, public PMDataManager, 86e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// public PMDTopLevelManager 87e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// 88e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// PassManagerImpl is a top level pass manager responsible for managing 89e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel// ModulePassManagers. 90e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel//===----------------------------------------------------------------------===// 91e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 9245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 9345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 9445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 9545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 9645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 9745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 9845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 9945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 10045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 101e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 102e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 103e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 104e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 105e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 10645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 10745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang PatelPassDebugging_New("debug-pass", cl::Hidden, 10845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 10945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 110e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 111e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 112e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 113e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 114e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 11545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 11645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 11745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1183162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#ifndef USE_OLD_PASSMANAGER 119c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1213f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1223f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// PMTopLevelManager 1233f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel// 1243f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// PMTopLevelManager manages LastUser info and collects common APIs used by 1253f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel/// top level pass managers. 126c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelclass VISIBILITY_HIDDEN PMTopLevelManager { 1273f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelpublic: 1283f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1293f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersBegin() { 1303f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.begin(); 1313f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1323f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1333f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel inline std::vector<Pass *>::iterator passManagersEnd() { 1343f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel return PassManagers.end(); 1353f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel } 1363f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1373f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Schedule pass P for execution. Make sure that passes required by 1383f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// P are run before P is run. Update analysis info maintained by 1393f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// the manager. Remove dead passes. This is a recursive function. 140e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel void schedulePass(Pass *P); 1413f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1423f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// This is implemented by top level pass manager and used by 1433f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// schedulePass() to add analysis info passes that are not available. 1443f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual void addTopLevelPass(Pass *P) = 0; 1453f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1463f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Set pass P as the last user of the given analysis passes. 1473f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void setLastUser(std::vector<Pass *> &AnalysisPasses, Pass *P); 1483f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1493f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collect passes whose last user is P 1503f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel void collectLastUses(std::vector<Pass *> &LastUses, Pass *P); 1513f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 15269867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. Search immutable 15369867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// passes and all pass managers. If desired pass is not found 15469867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 15569867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID); 15669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 1573162691f69f85f740bc28f3ddca39b166d35187cDevang Patel inline void clearManagers() { 1583162691f69f85f740bc28f3ddca39b166d35187cDevang Patel PassManagers.clear(); 1593162691f69f85f740bc28f3ddca39b166d35187cDevang Patel } 1603162691f69f85f740bc28f3ddca39b166d35187cDevang Patel 1613f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel virtual ~PMTopLevelManager() { 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. 194a52035a062edf9bfbf95c92c615219b647042c17Devang Patel void dumpPasses() const; 195a52035a062edf9bfbf95c92c615219b647042c17Devang Patel void dumpArguments() const; 196ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 2003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 2013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 202591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 203591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 2041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 205591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 2063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 2073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 2083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 2093e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 2103e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 2113e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 2123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 213c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 214c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel} // End of anon namespace 2153f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 216dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel//===----------------------------------------------------------------------===// 217dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel// PMDataManager 2183f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 219c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace llvm { 220419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// PMDataManager provides the common place to manage the analysis data 221419f0e95d698109541ad730cb45ba4caca78f458Devang Patel/// used by pass managers. 222419f0e95d698109541ad730cb45ba4caca78f458Devang Patelclass PMDataManager { 22385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelpublic: 2241a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel PMDataManager(int Depth) : TPM(NULL), Depth(Depth) { 225dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel initializeAnalysisInfo(); 226dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel } 227dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 22837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel virtual ~PMDataManager() { 22937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel for (std::vector<Pass *>::iterator I = PassVector.begin(), 23137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel E = PassVector.end(); I != E; ++I) 23237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete *I; 23337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel PassVector.clear(); 23537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel } 23637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 23785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Return true IFF pass P's required analysis set does not required new 23885d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// manager. 23985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel bool manageablePass(Pass *P); 24085d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Augment AvailableAnalysis by adding analysis made available by pass P. 242f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel void recordAvailableAnalysis(Pass *P); 24385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove Analysis that is not preserved by the pass 24585d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel void removeNotPreservedAnalysis(Pass *P); 24685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 24785d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel /// Remove dead passes 2484eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel void removeDeadPasses(Pass *P, std::string &Msg); 24985d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 2504045af1175509c81d6a4708df233f0b1abe888fcDevang Patel /// Add pass P into the PassVector. Update 251893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel /// AvailableAnalysis appropriately if ProcessAnalysis is true. 252a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner void addPassToManager(Pass *P, bool ProcessAnalysis = true); 253e253385b108cd946b1ac150302f246d3b218be77Devang Patel 254c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Initialize available analysis information. 255cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel void initializeAnalysisInfo() { 256ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.clear(); 257c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel AvailableAnalysis.clear(); 258c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel } 259c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 260c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// Populate RequiredPasses with the analysis pass that are required by 261c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// pass P. 262c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void collectRequiredAnalysisPasses(std::vector<Pass *> &RequiredPasses, 263c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P); 264c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 265c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// All Required analyses should be available to the pass as it runs! Here 266c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// we fill in the AnalysisImpls member of the pass so that it can 267c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// successfully use the getAnalysis() method to retrieve the 268c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel /// implementations it needs. 269c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel void initializeAnalysisImpl(Pass *P); 270b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 27169867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// Find the pass that implements Analysis AID. If desired pass is not found 27269867b511c732a7fac7301977bd6e880e46439f1Devang Patel /// then return NULL. 27369867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *findAnalysisPass(AnalysisID AID, bool Direction); 27469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 275e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorBegin() { 276e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.begin(); 277e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 278e253385b108cd946b1ac150302f246d3b218be77Devang Patel 279e253385b108cd946b1ac150302f246d3b218be77Devang Patel inline std::vector<Pass *>::iterator passVectorEnd() { 280e253385b108cd946b1ac150302f246d3b218be77Devang Patel return PassVector.end(); 281e253385b108cd946b1ac150302f246d3b218be77Devang Patel } 282e253385b108cd946b1ac150302f246d3b218be77Devang Patel 283dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel // Access toplevel manager 284dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel PMTopLevelManager *getTopLevelManager() { return TPM; } 285dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel void setTopLevelManager(PMTopLevelManager *T) { TPM = T; } 286dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 287a52035a062edf9bfbf95c92c615219b647042c17Devang Patel unsigned getDepth() const { return Depth; } 2884eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 289a52035a062edf9bfbf95c92c615219b647042c17Devang Patel // Print routines used by debug-pass 290a52035a062edf9bfbf95c92c615219b647042c17Devang Patel void dumpLastUses(Pass *P, unsigned Offset) const; 291a52035a062edf9bfbf95c92c615219b647042c17Devang Patel void dumpPassArguments() const; 292a52035a062edf9bfbf95c92c615219b647042c17Devang Patel void dumpPassInfo(Pass *P, std::string &Msg1, std::string &Msg2) const; 293017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel void dumpAnalysisSetInfo(const char *Msg, Pass *P, 294a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) const; 295ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 296ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *>& getTransferredLastUses() { 297ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel return TransferLastUses; 298ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel } 299ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 300e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 301e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 302ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // If a FunctionPass F is the last user of ModulePass info M 303e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 304ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // Current pass manage is requesting parent manager to record parent 305ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // manager as the last user of these TrransferLastUses passes. 306ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *> TransferLastUses; 307e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 308e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 309e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 310e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 31185d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3125770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3135770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3145770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3155770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 316b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 317e253385b108cd946b1ac150302f246d3b218be77Devang Patel 318e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 319e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 320dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 321f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 32285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 32385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3247e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3253162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager 3267e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3273162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// BasicBlockPassManager manages BasicBlockPass. It batches all the 328c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 329c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 330c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelclass VISIBILITY_HIDDEN BasicBlockPassManager : public PMDataManager, 331a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner public FunctionPass { 332c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 333c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3341a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel BasicBlockPassManager(int Depth) : PMDataManager(Depth) { } 335c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 336c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 337c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 338c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 339c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 340c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 341c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 342c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 34366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 34466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 34566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 34666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 34766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 348964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 349964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 350964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 351964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 352964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 353ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 354ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 355c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 356ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 357ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 358ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 359ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 360ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 361ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 362c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 363c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3647e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3657e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 3667e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3676e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// FunctionPassManagerImpl_New manages FunctionPasses and 3686e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// BasicBlockPassManagers. It batches all function passes and basic block pass 3696e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// managers together and sequence them to process one function at a time before 3706e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// processing next function. 371eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 372eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 373eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3751a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel FunctionPassManagerImpl_New(int Depth) : PMDataManager(Depth) { 376c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 377c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 378c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 380eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 381145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 382c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 383145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 384145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 385145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 386145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 387145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 388689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 389c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 390689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 391c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 392c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 393c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 394eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 395eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 396c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 397c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 398c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 399c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 400c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 401877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 402e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 403877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 404c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 405c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 406c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 407c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 408c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 409c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 410c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 411c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 412214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 413c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 414c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4153799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4163799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4173799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4183799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4193799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4203799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4213799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 42266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 42366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 42466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 42566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 42666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 42766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 428ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 429ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 430ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 431ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 432ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 433ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 434ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 435ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 436ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 437ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 438c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 439c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 4403162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager *activeBBPassManager; 441c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 442c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4437e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4443162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// ModulePassManager 4457e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4463162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// ModulePassManager manages ModulePasses and function pass managers. 447c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 448c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 449a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattnerclass ModulePassManager : public Pass, public PMDataManager { 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 451c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 4521a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel ModulePassManager(int Depth) : PMDataManager(Depth) { 453f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 454f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 455c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 456c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 457c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 458c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 459c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 460c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 461c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 462be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 46366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 468ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 469ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 470ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 472ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 473ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 474ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 475ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 476ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 477ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 478c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 479c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 480c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 481c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 482c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4837e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4847e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 4857e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4867e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 487877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 488877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 489eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 4905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4915a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 4925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 4931a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel PassManagerImpl_New(int Depth) : PMDataManager(Depth) { 494395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 495395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 496f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 4975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 4985a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 4995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 5005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 501877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 502e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 503877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 5045a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5055a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 5065a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 5075a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 5085a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 50966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 51066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 51166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 51266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 51366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 514eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 515145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 516c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 517145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 518145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 519145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 520145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 521145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 522689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 523c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 524689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 525145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 526c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 527c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 528eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 529eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5321209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5345a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5363162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *activeManager; 5375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 539c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel} // End of llvm namespace 540c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 541c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 542c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 5438e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 5448e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 5458e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens when 5468e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 5478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 5488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 549c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 5508e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel std::map<Pass*, Timer> TimingData; 5518e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimerGroup TG; 5528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelpublic: 5548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Use 'create' member to get this. 5558e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 5568e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5578e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // TimingDtor - Print out information about timing information 5588e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel ~TimingInfo() { 5598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Delete all of the timers... 5608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingData.clear(); 5618e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // TimerGroup is deleted next, printing the report. 5628e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel } 5638e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 5658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 5668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // null. It may be called multiple times. 5678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static void createTheTimeInfo(); 5688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel void passStarted(Pass *P) { 5708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (dynamic_cast<PMDataManager *>(P)) 5728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel return; 5738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 5758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (I == TimingData.end()) 5768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 5778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel I->second.startTimer(); 5788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel } 5798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel void passEnded(Pass *P) { 5808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (dynamic_cast<PMDataManager *>(P)) 5828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel return; 5838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 5858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 5868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel I->second.stopTimer(); 5878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel } 5888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel}; 5898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic TimingInfo *TheTimeInfo; 5918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 592c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel} // End of anon namespace 593c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 59406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 5951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 5961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 5981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 5991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 6001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 6021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 6031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 6041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 6051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 6061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 6071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 6081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 6091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 6101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 6111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 6161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 6171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 6191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 6201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 6211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 6221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 6251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 6261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 6271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 6281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 6301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 6311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 6331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 6341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 6351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 6391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 6401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 6411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 6421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 6431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 656d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 657d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 658d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 659d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 660d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 661d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 662d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 663d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 664d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 665d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 666d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 667d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 668d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 6691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 6701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 6711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 6721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 6731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 6741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 6761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 6771a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel const std::vector<const PassInfo*> &ImmPI = PI->getInterfacesImplemented(); 6781a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 6791a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 6801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 6841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 686ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 687a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 688ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 689ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 690ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 691ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 692ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 693ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 694a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 695ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 696ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 697ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 698ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 699a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 700c32cf54101ecaf336d161fecd58667870149169cDevang Patel 701c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (PassDebugging_New < Arguments) 702c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 703c32cf54101ecaf336d161fecd58667870149169cDevang Patel 704c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 705a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::const_iterator I = PassManagers.begin(), 706c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 707c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 708c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 709c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 710c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 711c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 712c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 713c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 715419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 716889739c4d188d28c167644bced9df0f3131317d7Devang Patel 7172c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 718889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 719419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 720889739c4d188d28c167644bced9df0f3131317d7Devang Patel 7214045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 7224045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 7234045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 7244045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 7254045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 7264045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 7274045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 728889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 729889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 730889739c4d188d28c167644bced9df0f3131317d7Devang Patel 731b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 732f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 733b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 734b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 735b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 736b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 737f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 738f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 739f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 740f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 741f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 742b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 743b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 744b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 745889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 746419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 74714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 74814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 74914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 75004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 75104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 75204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 75304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 754b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 75554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7561a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 7571a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 75814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 75914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 7601a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second)) 7611a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel AvailableAnalysis.erase(Info); 7621a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel } 76314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 764889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 765889739c4d188d28c167644bced9df0f3131317d7Devang Patel 766df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7674eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) { 768f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 769f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 770f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 771f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 772f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 773f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 7744eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7754eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg1 = " Freeing Pass '"; 7764eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(*I, Msg1, Msg); 7774eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 779f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 7808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 7818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 782f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 783f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 784f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 785964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 786f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 787f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 788f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 789df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 790df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 7914045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 792893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 79304b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 79404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 795e253385b108cd946b1ac150302f246d3b218be77Devang Patel 796145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 797145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 798145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 799145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 800145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 801893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 802e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 803e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 804e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 805e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 806e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 807e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 808e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 809e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 810e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 811e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 812e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 813cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 814cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 815cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 816cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 817e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 818e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 819e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 820e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 821ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 822e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 823e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 824e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 825e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 826e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 827e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 828e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 829ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel LastUses.push_back(P); 830ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TPM->setLastUser(LastUses, P); 831e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 8320ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 833893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 834893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 8350ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 836893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 837e253385b108cd946b1ac150302f246d3b218be77Devang Patel 838e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 839e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 840e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 841e253385b108cd946b1ac150302f246d3b218be77Devang Patel 842c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 843c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 844c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 845c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 846c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 847c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 848c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 849c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 850c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 851c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 85269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 853c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 854c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 855c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 85627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 85727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 85827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 85927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 86027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 86127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 86227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 86327aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 864c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 865c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 8662f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 8672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 8682f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 8692f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 8702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 871419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 8723799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 8733799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 8742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 8752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 8762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 8772f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 87869867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 8792f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 8802f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 881298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 882298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 8832f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 8842f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 8852f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 88669867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 88769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 88869867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 88969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 89069867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 89169867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 89269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 89369867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 89469867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 89569867b511c732a7fac7301977bd6e880e46439f1Devang Patel 89669867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 89769867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 89869867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 89969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9005b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 90169867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 90269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 903a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 904a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 905a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 906a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::vector<Pass *> LUses; 907a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 908a52035a062edf9bfbf95c92c615219b647042c17Devang Patel assert (TPM && "Top Level Manager is missing"); 909a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 910a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 911a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 912a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 913a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 914a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 915a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 916a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 917a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 918a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 919a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for(std::vector<Pass *>::const_iterator I = PassVector.begin(), 920a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 921a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 922a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 923a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 924a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 925a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 926a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 927a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 928a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 929a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 930a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager:: dumpPassInfo(Pass *P, std::string &Msg1, 931a52035a062edf9bfbf95c92c615219b647042c17Devang Patel std::string &Msg2) const { 932a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PassDebugging_New < Executions) 933a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 934a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 935a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << Msg1; 936a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << P->getPassName(); 937a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << Msg2; 938a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 939a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 940a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpAnalysisSetInfo(const char *Msg, Pass *P, 941a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const std::vector<AnalysisID> &Set) 942a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 943a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PassDebugging_New >= Details && !Set.empty()) { 944a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 945a52035a062edf9bfbf95c92c615219b647042c17Devang Patel for (unsigned i = 0; i != Set.size(); ++i) { 946a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (i) cerr << ","; 947a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " " << Set[i]->getPassName(); 948a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 949a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << "\n"; 950a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 951a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 952f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 953f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 954f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 955f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 956f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 957f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 958f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 959f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 96006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9613162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager implementation 96255fd43f90913676682487f89f27c756adb827f66Devang Patel 9632c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 9642c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 96555fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9663162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::addPass(Pass *P) { 96755fd43f90913676682487f89f27c756adb827f66Devang Patel 96855fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 96955fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 97055fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 97155fd43f90913676682487f89f27c756adb827f66Devang Patel 9721a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel // If this pass does not preserve analysis that is used by other passes 9731a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel // managed by this manager than it is not a suitable pass for this manager. 9742c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 97553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 97653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 977a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner addPassToManager(BP); 97814d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 97955fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 98055fd43f90913676682487f89f27c756adb827f66Devang Patel} 98155fd43f90913676682487f89f27c756adb827f66Devang Patel 98255fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 98355fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 98455fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 98555fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9863162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::runOnFunction(Function &F) { 98755fd43f90913676682487f89f27c756adb827f66Devang Patel 9881fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 9891fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9901fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9913b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 992cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 993c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 994693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 995693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 996693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 99755fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 998e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 999e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 100055fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 1001017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1002017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1003017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 10044eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on BasicBlock '" + (*I).getName() + "'...\n"; 10054eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1006017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1007017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 100841545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1009693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 101055fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 10118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 101255fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 10138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 1014693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1015693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1016693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1017017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1018693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1019c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 10200ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 10214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 102255fd43f90913676682487f89f27c756adb827f66Devang Patel } 10231a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 102455fd43f90913676682487f89f27c756adb827f66Devang Patel} 102555fd43f90913676682487f89f27c756adb827f66Devang Patel 1026964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 10273162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Module &M) { 1028964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1029964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1030964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1031964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1032964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1033964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1034964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 1035964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1036964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1037964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1038964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1039964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10403162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Module &M) { 1041964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1042964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1043964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1044964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1045964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1046964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1047964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 1048964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1049964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1050964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1051964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1052964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10533162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Function &F) { 1054964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1055964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1056964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1057964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1058964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1059964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1060964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1061964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1062964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1063964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1064964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1065964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10663162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Function &F) { 1067964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1068964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1069964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1070964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1071964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1072964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1073964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1074964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1075964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1076964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1077964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1078964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1079964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 108006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10813162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 108206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1083c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10843162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 1085cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 1086dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1087dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1088b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1089b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 1090b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 1091b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1092b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1093b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 1094cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1095cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1096cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10973162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 10983162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Note : FPM maintains one entry in PassManagers vector. 10993162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // This one entry is FPM itself. This is not ideal. One 11003162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // alternative is have one additional layer between 11013162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // FunctionPassManager and FunctionPassManagerImpl. 11023162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Meanwhile, to avoid going into infinte loop, first 11033162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // remove FPM from its PassMangers vector. 11043162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FPM->clearManagers(); 110537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 110637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 110737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1108c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1109c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1110c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1111c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1112c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 11133162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1114c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1115c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1116c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1117214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1118214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1119214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1120214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 11213162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1122214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1123214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1124e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 1125214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1126214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1127c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1128214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1129214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1130214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11313799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 11323799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 11333162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 11343799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 11353799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11363799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 11383799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 11393162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 11403799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 11413799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11423799f97d539f6c288d169063e1b335917fafcffbDevang Patel 114306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 1144c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 1145448d27cd795dc273249f123444509403f4fa4facDevang Patel 1146448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 1147448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 1148448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 1149448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 1150c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 1151448d27cd795dc273249f123444509403f4fa4facDevang Patel 11523162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager. 1153448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 1154448d27cd795dc273249f123444509403f4fa4facDevang Patel 1155badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 1156448d27cd795dc273249f123444509403f4fa4facDevang Patel 1157badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1158badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 1159badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1160b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1161badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1162f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 11633162691f69f85f740bc28f3ddca39b166d35187cDevang Patel new BasicBlockPassManager(getDepth() + 1); 1164dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1165dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 11661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 1168893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 11691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 11721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1174badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1175badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11762c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 11772c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 1178ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 1179ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // If activeBBPassManager transfered any Last Uses then handle them here. 1180ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *> &TLU = activeBBPassManager->getTransferredLastUses(); 1181ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel if (!TLU.empty()) 1182ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TPM->setLastUser(TLU, this); 1183ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 1184448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1185e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1186e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1187448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1188448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1189448d27cd795dc273249f123444509403f4fa4facDevang Patel 1190448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1191448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1192448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1193448d27cd795dc273249f123444509403f4fa4facDevang Patel 11941a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel // If this pass does not preserve analysis that is used by other passes 11951a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel // managed by this manager than it is not a suitable pass for this manager. 11962c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 119753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 119853596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1199e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1200badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1201badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1202badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1203badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1204badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1205badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1206badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1207448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1208448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1209448d27cd795dc273249f123444509403f4fa4facDevang Patel 1210448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1211448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1212448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1213214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1214448d27cd795dc273249f123444509403f4fa4facDevang Patel 12154d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1216cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1217c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1218448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 121997856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 122097856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 12211a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(M); 1222448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1223448d27cd795dc273249f123444509403f4fa4facDevang Patel 1224214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1225214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1226214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1227214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1228214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1229214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 12301fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12311fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 12321fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12331fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1234cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1235214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1236693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1237693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1238693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1239214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1240214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1241214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 1242017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1243017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1244693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12454eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Function '" + F.getName() + "'...\n"; 12464eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1247017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1248693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 124941545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1250214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12518e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12528e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 1253214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 12548e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 1255693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1256693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1257693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1258017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1259693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1260214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 12610ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 12624eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 1263214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1264214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1265214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1266214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1267214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12683799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 12693799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12703799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12713799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 12723799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 12733799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 12743799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12753799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12763799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 12773799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12793799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12803799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12813799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12823799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 12833799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12843799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12853799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 12863799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 12873799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 12883799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12893799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12903799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 12913799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12923799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12933799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12943799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12953799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1296c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1297c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1298c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1299c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1300c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1301c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1302c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 13033162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FunctionPassManagerImpl_New *FP = 13043162691f69f85f740bc28f3ddca39b166d35187cDevang Patel dynamic_cast<FunctionPassManagerImpl_New *>(*I); 1305c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1306c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1307c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1308c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1309c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 131006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 131192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 131292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 131392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1314c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 131592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 131692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13173162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::addPass(Pass *P) { 131892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 131992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 132092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 132192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 132269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 132392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1324badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1325badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1326badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1327b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1328badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1329f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1330f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 13311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 13321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1333893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 13341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1335dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1336dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 13371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 13381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 13396e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner PMDataManager *PMD = 13406e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner dynamic_cast<PMDataManager *>(activeFunctionPassManager); 13416e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner assert(PMD && "Manager is not Pass Manager"); 13421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1343591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1344badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 13452c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 13462c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 1347e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1348ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // If activeFunctionPassManager transfered any Last Uses then 1349ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // handle them here. 1350ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *> &TLU = 1351ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel activeFunctionPassManager->getTransferredLastUses(); 1352ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel if (!TLU.empty()) 1353ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TPM->setLastUser(TLU, this); 1354ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel } 1355e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 135692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 135792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 135892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 135992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 136092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 136192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 136292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 13631a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel // If this pass does not preserve analysis that is used by other passes 13641a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel // managed by this manager than it is not a suitable pass for this manager. 13652c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 136653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 136753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1368e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1369badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1370badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1371badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1372badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1373badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1374badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 137592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 137692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 137792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 138092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 138292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13833162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::runOnModule(Module &M) { 138492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1385cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1386c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1387693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1388693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1389693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1390e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1391e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 139292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 1393017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1394017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1395693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13964eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Module '" + M.getModuleIdentifier() + "'...\n"; 13974eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1398017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1399693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 140041545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 140192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 14028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 14038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 140492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 14058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 1406693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1407693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1408693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1409017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1410017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 1411c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 14120ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 14134eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 141492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 141592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 141692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 141792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 141806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 141906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 142037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1421b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1422b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1423f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1424b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1425a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 14263162691f69f85f740bc28f3ddca39b166d35187cDevang Patel activeManager = new ModulePassManager(getDepth() + 1); 1427dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1428dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1429145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1430145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1431145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1432145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1433145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1434145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1435a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1436502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1437b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1438502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1439b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1440b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1441b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1442b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1443f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1444b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1445b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 144645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14488e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1449c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 1450e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel if (PassDebugging_New >= Structure) 145145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel dumpPasses(); 145245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1453a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1454a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 14553162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *MP = dynamic_cast<ModulePassManager *>(*I); 1456a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1457b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1458b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1459b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14605a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 146106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 146206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 146306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14653162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 1466f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1467dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1468dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14713162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 147237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 147337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 147437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 14755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 14765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 14775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 14785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 14795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 14803162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 14815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 14865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 14873162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 14885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 14895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 14928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 14938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 14948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 14958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 14968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 14978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 14988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 14998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15143162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#endif 1515