PassManager.cpp revision c2ff962bf97761a54c94d2dadb555060403d49c6
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. 194ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPasses(); 195c32cf54101ecaf336d161fecd58667870149169cDevang Patel void dumpArguments(); 196ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 1973f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patelprivate: 1983f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 1993f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel /// Collection of pass managers 2003f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::vector<Pass *> PassManagers; 2013f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel 202591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// Collection of pass managers that are not directly maintained 203591b1b7526ed9c099de23cc995853a250c20502fDevang Patel /// by this pass manager 2041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel std::vector<PMDataManager *> IndirectPassManagers; 205591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 2063f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // Map to keep track of last user of the analysis pass. 2073f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel // LastUser->second is the last user of Lastuser->first. 2083f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel std::map<Pass *, Pass *> LastUser; 2093e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel 2103e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel /// Immutable passes are managed by top level manager. 2113e44559d0137f2c3e3bf7a0c1e0004e0a5c81137Devang Patel std::vector<ImmutablePass *> ImmutablePasses; 2123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel}; 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: 224f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PMDataManager(int D) : TPM(NULL), Depth(D) { 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 287f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned getDepth() { return Depth; } 288f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 289ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print list of passes that are last used by P. 290ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpLastUses(Pass *P, unsigned Offset) { 291ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 292ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel std::vector<Pass *> LUses; 293ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 294ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel assert (TPM && "Top Level Manager is missing"); 295ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel TPM->collectLastUses(LUses, P); 296ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 297ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = LUses.begin(), 298ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = LUses.end(); I != E; ++I) { 299ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 300ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(0); 301ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 302ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 303ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 304c32cf54101ecaf336d161fecd58667870149169cDevang Patel void dumpPassArguments() { 305c32cf54101ecaf336d161fecd58667870149169cDevang Patel for(std::vector<Pass *>::iterator I = PassVector.begin(), 306c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassVector.end(); I != E; ++I) { 307c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 308c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 309c32cf54101ecaf336d161fecd58667870149169cDevang Patel else 310c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 311c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (!PI->isAnalysisGroup()) 312c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << " -" << PI->getPassArgument(); 313c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 314c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 315c32cf54101ecaf336d161fecd58667870149169cDevang Patel 3164eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel void dumpPassInfo(Pass *P, std::string &Msg1, std::string &Msg2) { 3174eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel if (PassDebugging_New < Executions) 3184eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel return; 3194eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 3204eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << Msg1; 3214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << P->getPassName(); 3224eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel cerr << Msg2; 3234eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel } 3244eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 325017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel void dumpAnalysisSetInfo(const char *Msg, Pass *P, 326017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel const std::vector<AnalysisID> &Set) { 327017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel if (PassDebugging_New >= Details && !Set.empty()) { 328017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 329017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel for (unsigned i = 0; i != Set.size(); ++i) { 330017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel if (i) cerr << ","; 331017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel cerr << " " << Set[i]->getPassName(); 332017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel } 333017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel cerr << "\n"; 334017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel } 335017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel } 336ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 337ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *>& getTransferredLastUses() { 338ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel return TransferLastUses; 339ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel } 340ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 341e16634065021e36ae31f074f623a636924d6b8d1Devang Patelprotected: 342e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 343ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // If a FunctionPass F is the last user of ModulePass info M 344e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // then the F's manager, not F, records itself as a last user of M. 345ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // Current pass manage is requesting parent manager to record parent 346ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // manager as the last user of these TrransferLastUses passes. 347ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *> TransferLastUses; 348e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 349e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Top level manager. 350e16634065021e36ae31f074f623a636924d6b8d1Devang Patel PMTopLevelManager *TPM; 351e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 35285d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patelprivate: 3535770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // Set of available Analysis. This information is used while scheduling 3545770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // pass. If a pass requires an analysis which is not not available then 3555770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // equired analysis pass is scheduled to run before the pass itself is 3565770c7cd52d6a3dfd9a5815cc9153d94afc6dd31Devang Patel // scheduled to run. 357b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel std::map<AnalysisID, Pass*> AvailableAnalysis; 358e253385b108cd946b1ac150302f246d3b218be77Devang Patel 359e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Collection of pass that are managed by this manager 360e253385b108cd946b1ac150302f246d3b218be77Devang Patel std::vector<Pass *> PassVector; 361dc48f203cdc5a0b8f79d28bab6219161061fd73bDevang Patel 362f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel unsigned Depth; 36385d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel}; 36485d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel 3657e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3663162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager 3677e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 3683162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// BasicBlockPassManager manages BasicBlockPass. It batches all the 369c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 371c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelclass VISIBILITY_HIDDEN BasicBlockPassManager : public PMDataManager, 372a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner public FunctionPass { 373c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 374c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 3753162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager(int D) : PMDataManager(D) { } 376c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 377c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 378c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 379c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 380c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 381c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 382c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 383c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 38466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 38566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 38666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 38766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 38866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 389964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 390964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 391964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 392964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 393964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 394ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 395ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 396c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 397ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 398ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 399ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 400ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 401ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 402ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 403c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 404c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4057e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4067e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// FunctionPassManagerImpl_New 4077e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4086e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// FunctionPassManagerImpl_New manages FunctionPasses and 4096e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// BasicBlockPassManagers. It batches all function passes and basic block pass 4106e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// managers together and sequence them to process one function at a time before 4116e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner/// processing next function. 412eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patelclass FunctionPassManagerImpl_New : public ModulePass, 413eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMDataManager, 414eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 415c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 416f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel FunctionPassManagerImpl_New(int D) : PMDataManager(D) { 417c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel activeBBPassManager = NULL; 418c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel } 419c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel ~FunctionPassManagerImpl_New() { /* TODO */ }; 420c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 421eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 422145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 423c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 424145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 425145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass then it will be managed by this 426145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 427145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 428145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 429689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 430c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 431689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 432c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel } 433c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 434c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 435eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 436eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 437c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// add - Add a pass to the queue of passes to run. This passes 438c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// ownership of the Pass to the PassManager. When the 439c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// PassManager_X is destroyed, the pass will be destroyed as well, so 440c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// there is no need to delete the pass. (TODO delete passes.) 441c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// This implies that all passes MUST be allocated with 'new'. 442877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 443e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 444877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 445c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 446c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add pass into the pass manager queue. 447c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *P); 448c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 449c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep 450c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// track of whether any of the passes modifies the function, and if 451c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// so, return true. 452c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 453214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool runOnFunction(Function &F); 454c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool run(Function &F); 455c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4563799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doInitialization - Run all of the initializers for the function passes. 4573799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4583799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doInitialization(Module &M); 4593799f97d539f6c288d169063e1b335917fafcffbDevang Patel 4603799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// doFinalization - Run all of the initializers for the function passes. 4613799f97d539f6c288d169063e1b335917fafcffbDevang Patel /// 4623799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool doFinalization(Module &M); 46366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 46466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 46566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 46666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 46766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 46866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 469ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 470ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 471ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 472ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 473ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 474ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 475ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 476ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 477ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 478ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 479c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 480c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Managers 4813162691f69f85f740bc28f3ddca39b166d35187cDevang Patel BasicBlockPassManager *activeBBPassManager; 482c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 483c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 4847e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 4853162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// ModulePassManager 4867e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 4873162691f69f85f740bc28f3ddca39b166d35187cDevang Patel/// ModulePassManager manages ModulePasses and function pass managers. 488c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// It batches all Module passes passes and function pass managers together and 489c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// sequence them to process one module. 490a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattnerclass ModulePassManager : public Pass, public PMDataManager { 491c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 492c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 4933162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager(int D) : PMDataManager(D) { 494f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = NULL; 495f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel } 496c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 497c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Add a pass into a passmanager queue. 498c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool addPass(Pass *p); 499c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 500c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 501c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 502c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 503be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 50466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 50566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 50666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 50766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 50866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 509ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 510ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 511ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 512ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = passVectorBegin(), 513ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = passVectorEnd(); I != E; ++I) { 514ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(Offset + 1); 515ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel dumpLastUses(*I, Offset+1); 516ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 517ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 518ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 519c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelprivate: 520c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel // Active Pass Manager 521c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FunctionPassManagerImpl_New *activeFunctionPassManager; 522c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 523c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 5247e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 5257e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// PassManagerImpl_New 5267e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 5277e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel/// PassManagerImpl_New manages ModulePassManagers 528877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patelclass PassManagerImpl_New : public Pass, 529877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel public PMDataManager, 530eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel public PMTopLevelManager { 5315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5325a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 5335a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 534395ed739849a0507a2faae0829287c039c3589f8Devang Patel PassManagerImpl_New(int D) : PMDataManager(D) { 535395ed739849a0507a2faae0829287c039c3589f8Devang Patel activeManager = NULL; 536395ed739849a0507a2faae0829287c039c3589f8Devang Patel } 537f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 5385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 5395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 5405a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 5415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 542877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 543e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 544877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 5455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5465a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 5475a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 5485a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 5495a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 55066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 55166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 55266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 55366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 55466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 555eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 556145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 557c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 558145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 559145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 560145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 561145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 562145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 563689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 564c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 565689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 566145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 567c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel else 568c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addPass(P); 569eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 570eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 5715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelprivate: 5725a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5731209f416cf2f2ec0f335d91a7c115e3b0a37d603Devang Patel /// Add a pass into a passmanager queue. 5745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool addPass(Pass *p); 5755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 5765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel // Active Pass Manager 5773162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *activeManager; 5785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 5795a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 580c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel} // End of llvm namespace 581c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 582c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 583c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 5848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 5858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 5868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens when 5878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 5888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 5898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 590c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 5918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel std::map<Pass*, Timer> TimingData; 5928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimerGroup TG; 5938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelpublic: 5958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Use 'create' member to get this. 5968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 5978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 5988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // TimingDtor - Print out information about timing information 5998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel ~TimingInfo() { 6008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Delete all of the timers... 6018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingData.clear(); 6028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // TimerGroup is deleted next, printing the report. 6038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel } 6048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 6068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 6078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // null. It may be called multiple times. 6088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static void createTheTimeInfo(); 6098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel void passStarted(Pass *P) { 6118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (dynamic_cast<PMDataManager *>(P)) 6138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel return; 6148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 6168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (I == TimingData.end()) 6178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 6188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel I->second.startTimer(); 6198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel } 6208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel void passEnded(Pass *P) { 6218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (dynamic_cast<PMDataManager *>(P)) 6238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel return; 6248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 6268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 6278e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel I->second.stopTimer(); 6288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel } 6298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel}; 6308e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 6318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic TimingInfo *TheTimeInfo; 6328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 633c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel} // End of anon namespace 634c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 63506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 6361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 6371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 6391b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::setLastUser(std::vector<Pass *> &AnalysisPasses, 6401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 6411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<Pass *>::iterator I = AnalysisPasses.begin(), 6431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 6441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 6451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 6461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 6471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 6481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 6491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 6501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 6511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 6521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 6571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::collectLastUses(std::vector<Pass *> &LastUses, 6581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 6591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::map<Pass *, Pass *>::iterator LUI = LastUser.begin(), 6601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) 6611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == P) 6621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUses.push_back(LUI->first); 6631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 6661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 6671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 6681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 6691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // TODO : Allocate function manager for this pass, other wise required set 6711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // may be inserted into previous function manager 6721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisUsage AnUsage; 6741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P->getAnalysisUsage(AnUsage); 6751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 6761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<AnalysisID>::const_iterator I = RequiredSet.begin(), 6771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = RequiredSet.end(); I != E; ++I) { 6781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AnalysisPass = findAnalysisPass(*I); 6801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!AnalysisPass) { 6811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Schedule this analysis run first. 6821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel AnalysisPass = (*I)->createPass(); 6831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel schedulePass(AnalysisPass); 6841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 6861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 6881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 6891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 6901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 6921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 6931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 6941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 6951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 6961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 697d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 698d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 699d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 700d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 701d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel assert(PMD && "This is not a PassManager"); 702d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 703d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 704d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 705d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 706d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel for (std::vector<PMDataManager *>::iterator I = IndirectPassManagers.begin(), 707d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 708d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 709d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 7101b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (std::vector<ImmutablePass *>::iterator I = ImmutablePasses.begin(), 7111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 7121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 7131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 7141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 7151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 7161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 7171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 7181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const std::vector<const PassInfo*> &ImmPI = 7191b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PI->getInterfacesImplemented(); 7201b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel for (unsigned Index = 0, End = ImmPI.size(); 7211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P == NULL && Index != End; ++Index) 7221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (ImmPI[Index] == AID) 7231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 7241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 7251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 7261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 7271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 7281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 7291b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 730ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 731ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patelvoid PMTopLevelManager::dumpPasses() { 732ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 733ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 734ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 735ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 736ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 737ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 738ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 739ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 740ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel (*I)->dumpPassStructure(1); 741ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 742ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 743ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 744c32cf54101ecaf336d161fecd58667870149169cDevang Patelvoid PMTopLevelManager::dumpArguments() { 745c32cf54101ecaf336d161fecd58667870149169cDevang Patel 746c32cf54101ecaf336d161fecd58667870149169cDevang Patel if (PassDebugging_New < Arguments) 747c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 748c32cf54101ecaf336d161fecd58667870149169cDevang Patel 749c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 750c32cf54101ecaf336d161fecd58667870149169cDevang Patel for (std::vector<Pass *>::iterator I = PassManagers.begin(), 751c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 752c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I); 753c32cf54101ecaf336d161fecd58667870149169cDevang Patel assert(PMD && "This is not a PassManager"); 754c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 755c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 756c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 757c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 758c32cf54101ecaf336d161fecd58667870149169cDevang Patel 7591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 760419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 761889739c4d188d28c167644bced9df0f3131317d7Devang Patel 7622c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Return true IFF pass P's required analysis set does not required new 763889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// manager. 764419f0e95d698109541ad730cb45ba4caca78f458Devang Patelbool PMDataManager::manageablePass(Pass *P) { 765889739c4d188d28c167644bced9df0f3131317d7Devang Patel 7664045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // TODO 7674045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // If this pass is not preserving information that is required by a 7684045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // pass maintained by higher level pass manager then do not insert 7694045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // this pass into current manager. Use new manager. For example, 7704045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // For example, If FunctionPass F is not preserving ModulePass Info M1 7714045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // that is used by another ModulePass M2 then do not insert F in 7724045af1175509c81d6a4708df233f0b1abe888fcDevang Patel // current function pass manager. 773889739c4d188d28c167644bced9df0f3131317d7Devang Patel return true; 774889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 775889739c4d188d28c167644bced9df0f3131317d7Devang Patel 776b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 777f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 778b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 779b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 780b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 781b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 782f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 783f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 784f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 785f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 786f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 787b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 788b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 789b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 790889739c4d188d28c167644bced9df0f3131317d7Devang Patel/// Remove Analyss not preserved by Pass P 791419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 79214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel AnalysisUsage AnUsage; 79314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel P->getAnalysisUsage(AnUsage); 79414d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 79504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel if (AnUsage.getPreservesAll()) 79604b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 79704b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 79804b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel const std::vector<AnalysisID> &PreservedSet = AnUsage.getPreservedSet(); 799b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 80054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 801b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel if (std::find(PreservedSet.begin(), PreservedSet.end(), I->first) == 80214d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel PreservedSet.end()) { 80314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 80454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel if (!dynamic_cast<ImmutablePass*>(I->second)) { 80554e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel std::map<AnalysisID, Pass*>::iterator J = I++; 80654e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel AvailableAnalysis.erase(J); 80754e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 80854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 80954e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel } else 81054e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel ++I; 81114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 812889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 813889739c4d188d28c167644bced9df0f3131317d7Devang Patel 814df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 8154eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patelvoid PMDataManager::removeDeadPasses(Pass *P, std::string &Msg) { 816f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 817f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::vector<Pass *> DeadPasses; 818f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 819f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 820f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel for (std::vector<Pass *>::iterator I = DeadPasses.begin(), 821f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 8224eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8234eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg1 = " Freeing Pass '"; 8244eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(*I, Msg1, Msg); 8254eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 8268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 827f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 8288e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 8298e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 830f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel std::map<AnalysisID, Pass*>::iterator Pos = 831f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.find((*I)->getPassInfo()); 832f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 833964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 834f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel if (Pos != AvailableAnalysis.end()) 835f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel AvailableAnalysis.erase(Pos); 836f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 837df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 838df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8394045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 840893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 84104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patelvoid PMDataManager::addPassToManager(Pass *P, 84204b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel bool ProcessAnalysis) { 843e253385b108cd946b1ac150302f246d3b218be77Devang Patel 844145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 845145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 846145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 847145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 848145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 849893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 850e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 851e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 852e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> LastUses; 853e16634065021e36ae31f074f623a636924d6b8d1Devang Patel std::vector<Pass *> RequiredPasses; 854e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 855e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 856e16634065021e36ae31f074f623a636924d6b8d1Devang Patel collectRequiredAnalysisPasses(RequiredPasses, P); 857e16634065021e36ae31f074f623a636924d6b8d1Devang Patel for (std::vector<Pass *>::iterator I = RequiredPasses.begin(), 858e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 859e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 860e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 861cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 862cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 863cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 864cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 865e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 866e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 867e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 868e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 869ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 870e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } else { 871e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Note : This feature is not yet implemented 872e16634065021e36ae31f074f623a636924d6b8d1Devang Patel assert (0 && 873e16634065021e36ae31f074f623a636924d6b8d1Devang Patel "Unable to handle Pass that requires lower level Analysis pass"); 874e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 875e16634065021e36ae31f074f623a636924d6b8d1Devang Patel } 876e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 877ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel LastUses.push_back(P); 878ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TPM->setLastUser(LastUses, P); 879e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 8800ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 881893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 882893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 8830ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 884893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 885e253385b108cd946b1ac150302f246d3b218be77Devang Patel 886e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 887e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 888e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 889e253385b108cd946b1ac150302f246d3b218be77Devang Patel 890c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// Populate RequiredPasses with the analysis pass that are required by 891c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel/// pass P. 892c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patelvoid PMDataManager::collectRequiredAnalysisPasses(std::vector<Pass *> &RP, 893c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel Pass *P) { 894c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel AnalysisUsage AnUsage; 895c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel P->getAnalysisUsage(AnUsage); 896c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel const std::vector<AnalysisID> &RequiredSet = AnUsage.getRequiredSet(); 897c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel for (std::vector<AnalysisID>::const_iterator 898c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 899c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 90069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 901c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel assert (AnalysisPass && "Analysis pass is not available"); 902c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel RP.push_back(AnalysisPass); 903c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 90427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 90527aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel const std::vector<AnalysisID> &IDs = AnUsage.getRequiredTransitiveSet(); 90627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel for (std::vector<AnalysisID>::const_iterator I = IDs.begin(), 90727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 90827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel Pass *AnalysisPass = findAnalysisPass(*I, true); 90927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel assert (AnalysisPass && "Analysis pass is not available"); 91027aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel RP.push_back(AnalysisPass); 91127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 912c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 913c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9142f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9152f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9162f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9172f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9182f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 919419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9203799f97d539f6c288d169063e1b335917fafcffbDevang Patel AnalysisUsage AnUsage; 9213799f97d539f6c288d169063e1b335917fafcffbDevang Patel P->getAnalysisUsage(AnUsage); 9222f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 9232f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel for (std::vector<const PassInfo *>::const_iterator 9242f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel I = AnUsage.getRequiredSet().begin(), 9252f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel E = AnUsage.getRequiredSet().end(); I != E; ++I) { 92669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9272f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 9282f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel assert(0 && "Analysis used but not available!"); 929298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AnalysisResolver_New *AR = P->getResolver(); 930298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9312f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9322f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9332f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 93469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 93569867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 93669867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 93769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93869867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 93969867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 94069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 94169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 94269867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 94369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 94469867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 94569867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 94669867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 94769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9485b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 94969867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 95069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 951f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 952f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 953f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 954f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// getAnalysisToUpdate - Return an analysis result or null if it doesn't exist 955f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang PatelPass *AnalysisResolver_New::getAnalysisToUpdate(AnalysisID ID, bool dir) const { 956f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 957f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 958f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 95906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 9603162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// BasicBlockPassManager implementation 96155fd43f90913676682487f89f27c756adb827f66Devang Patel 9622c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// Add pass P into PassVector and return true. If this pass is not 9632c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel/// manageable by this manager then return false. 96455fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9653162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::addPass(Pass *P) { 96655fd43f90913676682487f89f27c756adb827f66Devang Patel 96755fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 96855fd43f90913676682487f89f27c756adb827f66Devang Patel if (!BP) 96955fd43f90913676682487f89f27c756adb827f66Devang Patel return false; 97055fd43f90913676682487f89f27c756adb827f66Devang Patel 97153596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 97253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 9732c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 97453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 97553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 976a84b3025ca7d437d2eab22d7c3002c8d89c31858Chris Lattner addPassToManager(BP); 97714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 97855fd43f90913676682487f89f27c756adb827f66Devang Patel return true; 97955fd43f90913676682487f89f27c756adb827f66Devang Patel} 98055fd43f90913676682487f89f27c756adb827f66Devang Patel 98155fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 98255fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 98355fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 98455fd43f90913676682487f89f27c756adb827f66Devang Patelbool 9853162691f69f85f740bc28f3ddca39b166d35187cDevang PatelBasicBlockPassManager::runOnFunction(Function &F) { 98655fd43f90913676682487f89f27c756adb827f66Devang Patel 9871fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 9881fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 9891fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 9903b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 991cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 992c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 993693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 994693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 995693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 99655fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 997e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 998e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 99955fd43f90913676682487f89f27c756adb827f66Devang Patel Pass *P = *itr; 1000017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1001017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1002017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 10034eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on BasicBlock '" + (*I).getName() + "'...\n"; 10044eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1005017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1006017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 100741545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1008693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 100955fd43f90913676682487f89f27c756adb827f66Devang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 10108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 101155fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 10128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 1013693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1014693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1015693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1016017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1017693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1018c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 10190ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 10204eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 102155fd43f90913676682487f89f27c756adb827f66Devang Patel } 10223b14fbe300b96c353a9abfadf481b64324f17375Devang Patel return Changed | doFinalization(F); 102355fd43f90913676682487f89f27c756adb827f66Devang Patel} 102455fd43f90913676682487f89f27c756adb827f66Devang Patel 1025964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 10263162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Module &M) { 1027964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1028964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1029964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1030964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1031964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1032964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1033964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 1034964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1035964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1036964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1037964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1038964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10393162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Module &M) { 1040964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1041964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1042964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1043964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1044964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1045964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1046964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 1047964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1048964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1049964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1050964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1051964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10523162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doInitialization(Function &F) { 1053964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1054964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1055964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1056964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1057964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1058964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1059964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1060964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1061964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1062964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1063964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1064964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 10653162691f69f85f740bc28f3ddca39b166d35187cDevang Patelinline bool BasicBlockPassManager::doFinalization(Function &F) { 1066964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1067964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1068964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1069964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel e = passVectorEnd(); itr != e; ++itr) { 1070964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Pass *P = *itr; 1071964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P); 1072964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1073964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1074964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1075964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1076964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1077964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1078964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 107906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 10803162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 108106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1082c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 10833162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 1084cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel FPM = new FunctionPassManagerImpl_New(0); 1085dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1086dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1087b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1088b920bd85adba95553568cef6a7078ee2509ab804Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(FPM); 1089b920bd85adba95553568cef6a7078ee2509ab804Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*PMD); 1090b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1091b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1092b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->addPassManager(FPM); 1093cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1094cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1095cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 10963162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 10973162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Note : FPM maintains one entry in PassManagers vector. 10983162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // This one entry is FPM itself. This is not ideal. One 10993162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // alternative is have one additional layer between 11003162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // FunctionPassManager and FunctionPassManagerImpl. 11013162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // Meanwhile, to avoid going into infinte loop, first 11023162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // remove FPM from its PassMangers vector. 11033162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FPM->clearManagers(); 110437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 110537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 110637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1107c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1108c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1109c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1110c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1111c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 11123162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1113c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1114c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1115c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1116214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1117214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1118214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1119214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 11203162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1121214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1122214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1123e81561909d128c6e2d8033cb5465a49b2596b26aBill Wendling cerr << "Error reading bytecode file: " << errstr << "\n"; 1124214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1125214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1126c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1127214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1128214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1129214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 11303799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 11313799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 11323162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 11333799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 11343799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11353799f97d539f6c288d169063e1b335917fafcffbDevang Patel 11363799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doFinalization - Run all of the initializers for the function passes. 11373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 11383162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 11393799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 11403799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 11413799f97d539f6c288d169063e1b335917fafcffbDevang Patel 114206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 1143c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel// FunctionPassManagerImpl_New implementation 1144448d27cd795dc273249f123444509403f4fa4facDevang Patel 1145448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Add pass P into the pass manager queue. If P is a BasicBlockPass then 1146448d27cd795dc273249f123444509403f4fa4facDevang Patel/// either use it into active basic block pass manager or create new basic 1147448d27cd795dc273249f123444509403f4fa4facDevang Patel/// block pass manager to handle pass P. 1148448d27cd795dc273249f123444509403f4fa4facDevang Patelbool 1149c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang PatelFunctionPassManagerImpl_New::addPass(Pass *P) { 1150448d27cd795dc273249f123444509403f4fa4facDevang Patel 11513162691f69f85f740bc28f3ddca39b166d35187cDevang Patel // If P is a BasicBlockPass then use BasicBlockPassManager. 1152448d27cd795dc273249f123444509403f4fa4facDevang Patel if (BasicBlockPass *BP = dynamic_cast<BasicBlockPass*>(P)) { 1153448d27cd795dc273249f123444509403f4fa4facDevang Patel 1154badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (!activeBBPassManager || !activeBBPassManager->addPass(BP)) { 1155448d27cd795dc273249f123444509403f4fa4facDevang Patel 1156badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1157badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) 1158badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1159b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1160badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1161f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeBBPassManager = 11623162691f69f85f740bc28f3ddca39b166d35187cDevang Patel new BasicBlockPassManager(getDepth() + 1); 1163dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1164dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeBBPassManager->setTopLevelManager(this->getTopLevelManager()); 11651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list. 1167893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeBBPassManager, false); 11681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 11691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 11701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel PMDataManager *PMD = dynamic_cast<PMDataManager *>(activeBBPassManager); 11711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel assert (PMD && "Manager is not Pass Manager"); 11721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1173badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1174badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 11752c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeBBPassManager->addPass(BP)) 11762c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add Pass"); 1177ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 1178ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // If activeBBPassManager transfered any Last Uses then handle them here. 1179ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *> &TLU = activeBBPassManager->getTransferredLastUses(); 1180ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel if (!TLU.empty()) 1181ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TPM->setLastUser(TLU, this); 1182ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel 1183448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1184e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1185e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1186448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1187448d27cd795dc273249f123444509403f4fa4facDevang Patel } 1188448d27cd795dc273249f123444509403f4fa4facDevang Patel 1189448d27cd795dc273249f123444509403f4fa4facDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass *>(P); 1190448d27cd795dc273249f123444509403f4fa4facDevang Patel if (!FP) 1191448d27cd795dc273249f123444509403f4fa4facDevang Patel return false; 1192448d27cd795dc273249f123444509403f4fa4facDevang Patel 119353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 119453596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 11952c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 119653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 119753596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1198e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager (FP); 1199badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1200badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1201badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeBBPassManager) { 1202badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager->initializeAnalysisInfo(); 1203badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeBBPassManager = NULL; 1204badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1205badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 1206448d27cd795dc273249f123444509403f4fa4facDevang Patel return true; 1207448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1208448d27cd795dc273249f123444509403f4fa4facDevang Patel 1209448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1210448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1211448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 1212214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnModule(Module &M) { 1213448d27cd795dc273249f123444509403f4fa4facDevang Patel 12144d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel bool Changed = doInitialization(M); 1215cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1216c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1217448d27cd795dc273249f123444509403f4fa4facDevang Patel for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 121897856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel this->runOnFunction(*I); 121997856ceeab2297e09c46c2390f7b3d818df6f1f7Devang Patel 12204d9a186b10dacf1d702ef32c2638e9016d8f483bDevang Patel return Changed | doFinalization(M); 1221448d27cd795dc273249f123444509403f4fa4facDevang Patel} 1222448d27cd795dc273249f123444509403f4fa4facDevang Patel 1223214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// Execute all of the passes scheduled for execution by invoking 1224214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1225214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// the function, and if so, return true. 1226214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patelbool FunctionPassManagerImpl_New::runOnFunction(Function &F) { 1227214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1228214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 12291fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 12301fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel if (F.isExternal()) 12311fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 12321fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1233cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1234214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1235693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1236693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1237693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1238214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1239214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel e = passVectorEnd(); itr != e; ++itr) { 1240214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Pass *P = *itr; 1241017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1242017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1243693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 12444eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Function '" + F.getName() + "'...\n"; 12454eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1246017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1247693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 124841545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 1249214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12508e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 12518e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 1252214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 12538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 1254693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1255693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1256693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1257017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1258693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1259214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel removeNotPreservedAnalysis(P); 12600ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 12614eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 1262214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1263214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1264214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1265214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1266214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12673799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doInitialization(Module &M) { 12683799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12703799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 12713799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 12723799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 12733799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12743799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12753799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 12763799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12773799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12783799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12793799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12803799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12813799f97d539f6c288d169063e1b335917fafcffbDevang Patelinline bool FunctionPassManagerImpl_New::doFinalization(Module &M) { 12823799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 12833799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12843799f97d539f6c288d169063e1b335917fafcffbDevang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 12853799f97d539f6c288d169063e1b335917fafcffbDevang Patel e = passVectorEnd(); itr != e; ++itr) { 12863799f97d539f6c288d169063e1b335917fafcffbDevang Patel Pass *P = *itr; 12873799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12883799f97d539f6c288d169063e1b335917fafcffbDevang Patel FunctionPass *FP = dynamic_cast<FunctionPass*>(P); 12893799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 12903799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 12913799f97d539f6c288d169063e1b335917fafcffbDevang Patel 12923799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 12933799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12943799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1295c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Execute all the passes managed by this top level manager. 1296c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel// Return true if any function is modified by a pass. 1297c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patelbool FunctionPassManagerImpl_New::run(Function &F) { 1298c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 1299c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel bool Changed = false; 1300c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1301c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel E = passManagersEnd(); I != E; ++I) { 13023162691f69f85f740bc28f3ddca39b166d35187cDevang Patel FunctionPassManagerImpl_New *FP = 13033162691f69f85f740bc28f3ddca39b166d35187cDevang Patel dynamic_cast<FunctionPassManagerImpl_New *>(*I); 1304c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel Changed |= FP->runOnFunction(F); 1305c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel } 1306c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return Changed; 1307c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel} 1308c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel 130906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 131092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel// ModulePassManager implementation 131192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 131292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Add P into pass vector if it is manageble. If P is a FunctionPass 1313c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// then use FunctionPassManagerImpl_New to manage it. Return false if P 131492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// is not manageable by this manager. 131592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13163162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::addPass(Pass *P) { 131792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 131892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel // If P is FunctionPass then use function pass maanager. 131992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (FunctionPass *FP = dynamic_cast<FunctionPass*>(P)) { 132092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 132169867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (!activeFunctionPassManager || !activeFunctionPassManager->addPass(P)) { 132292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1323badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1324badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) 1325badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1326b917e38c84fa9c7c434762a0e587af63eec939e5Devang Patel 1327badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Create and add new manager 1328f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel activeFunctionPassManager = 1329f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel new FunctionPassManagerImpl_New(getDepth() + 1); 13301b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 13311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into current manager's list 1332893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel addPassToManager(activeFunctionPassManager, false); 13331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1334dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1335dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeFunctionPassManager->setTopLevelManager(this->getTopLevelManager()); 13361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 13371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Add new manager into top level manager's indirect passes list 13386e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner PMDataManager *PMD = 13396e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner dynamic_cast<PMDataManager *>(activeFunctionPassManager); 13406e9e5e026af9e26cdec634c79017199f4e718599Chris Lattner assert(PMD && "Manager is not Pass Manager"); 13411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel TPM->addIndirectPassManager(PMD); 1342591b1b7526ed9c099de23cc995853a250c20502fDevang Patel 1343badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // Add pass into new manager. This time it must succeed. 13442c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!activeFunctionPassManager->addPass(FP)) 13452c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel assert(0 && "Unable to add pass"); 1346e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 1347ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // If activeFunctionPassManager transfered any Last Uses then 1348ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel // handle them here. 1349ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel std::vector<Pass *> &TLU = 1350ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel activeFunctionPassManager->getTransferredLastUses(); 1351ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel if (!TLU.empty()) 1352ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TPM->setLastUser(TLU, this); 1353ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel } 1354e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 135592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 135692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 135792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 135892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass *>(P); 135992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel if (!MP) 136092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return false; 136192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 136253596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // If this pass does not preserve anlysis that is used by other passes 136353596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel // managed by this manager than it is not a suiable pass for this manager. 13642c5d1851bbcb20adb79664ec16ab1f97b9142086Devang Patel if (!manageablePass(P)) 136553596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel return false; 136653596b6ba5d3199621e5a6e0cdbfcde3ee710397Devang Patel 1367e253385b108cd946b1ac150302f246d3b218be77Devang Patel addPassToManager(MP); 1368badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel // If active manager exists then clear its analysis info. 1369badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel if (activeFunctionPassManager) { 1370badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager->initializeAnalysisInfo(); 1371badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel activeFunctionPassManager = NULL; 1372badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel } 1373badc4fae531cc0fdaa8e58f481c3b1d23ea7dd56Devang Patel 137492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return true; 137592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 137692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 138092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13823162691f69f85f740bc28f3ddca39b166d35187cDevang PatelModulePassManager::runOnModule(Module &M) { 138392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1384cbfd29d0da5810949ba66701b91c1b954122077aDevang Patel initializeAnalysisInfo(); 1385c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 1386693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg1 = "Executing Pass '"; 1387693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel std::string Msg3 = "' Made Modification '"; 1388693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1389e253385b108cd946b1ac150302f246d3b218be77Devang Patel for (std::vector<Pass *>::iterator itr = passVectorBegin(), 1390e253385b108cd946b1ac150302f246d3b218be77Devang Patel e = passVectorEnd(); itr != e; ++itr) { 139192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Pass *P = *itr; 1392017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel AnalysisUsage AnUsage; 1393017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel P->getAnalysisUsage(AnUsage); 1394693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13954eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel std::string Msg2 = "' on Module '" + M.getModuleIdentifier() + "'...\n"; 13964eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel dumpPassInfo(P, Msg1, Msg2); 1397017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Required", P, AnUsage.getRequiredSet()); 1398693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 139941545fd66316776e670deac302672c3d9acef2a2Devang Patel initializeAnalysisImpl(P); 140092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel ModulePass *MP = dynamic_cast<ModulePass*>(P); 14018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 14028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(P); 140392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 14048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(P); 1405693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1406693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel if (Changed) 1407693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel dumpPassInfo(P, Msg3, Msg2); 1408017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel dumpAnalysisSetInfo("Preserved", P, AnUsage.getPreservedSet()); 1409017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 1410c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel removeNotPreservedAnalysis(P); 14110ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 14124eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel removeDeadPasses(P, Msg2); 141392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 141492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 141592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 141692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 141706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 141806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 141937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1420b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// Add P into active pass manager or use new module pass manager to 1421b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// manage it. 1422f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::addPass(Pass *P) { 1423b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1424a363a0bdefd2e798a83acd8998591b5b07c4256eDevang Patel if (!activeManager || !activeManager->addPass(P)) { 14253162691f69f85f740bc28f3ddca39b166d35187cDevang Patel activeManager = new ModulePassManager(getDepth() + 1); 1426dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // Inherit top level manager 1427dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel activeManager->setTopLevelManager(this->getTopLevelManager()); 1428145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1429145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This top level manager is going to manage activeManager. 1430145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // Set up analysis resolver to connect them. 1431145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel AnalysisResolver_New *AR = new AnalysisResolver_New(*this); 1432145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel activeManager->setResolver(AR); 1433145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 1434a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel addPassManager(activeManager); 1435502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return activeManager->addPass(P); 1436b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1437502f19e0f8ba47b5916a7e9d445f4ee071cdf132Devang Patel return true; 1438b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 1439b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1440b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1441b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 1442f8af6f0ec15d117cfe47bf32dd4e46ab52d42254Devang Patelbool PassManagerImpl_New::run(Module &M) { 1443b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1444b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 144545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14468e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1448c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 1449e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel if (PassDebugging_New >= Structure) 145045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel dumpPasses(); 145145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 1452a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel for (std::vector<Pass *>::iterator I = passManagersBegin(), 1453a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel E = passManagersEnd(); I != E; ++I) { 14543162691f69f85f740bc28f3ddca39b166d35187cDevang Patel ModulePassManager *MP = dynamic_cast<ModulePassManager *>(*I); 1455a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1456b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1457b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1458b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 146006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 146106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 146206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14643162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 1465f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel PM = new PassManagerImpl_New(0); 1466dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1467dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14703162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 147137a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 147237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 147337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 14745a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 14755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 14765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 14775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 14785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 14793162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 14805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 14855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 14863162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 14875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 14885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 14918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 14928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 14938e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 14948e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 14958e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 14968e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 14978e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 14988e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 14998e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15008e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15018e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15133162691f69f85f740bc28f3ddca39b166d35187cDevang Patel#endif 1514