PassManager.cpp revision 1465d61bdd36cfd6021036a527895f0dd358e97d
155fd43f90913676682487f89f27c756adb827f66Devang Patel//===- PassManager.cpp - LLVM Pass Infrastructure Implementation ----------===// 255fd43f90913676682487f89f27c756adb827f66Devang Patel// 355fd43f90913676682487f89f27c756adb827f66Devang Patel// The LLVM Compiler Infrastructure 455fd43f90913676682487f89f27c756adb827f66Devang Patel// 54ee451de366474b9c228b4e5fa573795a715216dChris Lattner// This file is distributed under the University of Illinois Open Source 64ee451de366474b9c228b4e5fa573795a715216dChris Lattner// License. See LICENSE.TXT for details. 755fd43f90913676682487f89f27c756adb827f66Devang Patel// 855fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 955fd43f90913676682487f89f27c756adb827f66Devang Patel// 1055fd43f90913676682487f89f27c756adb827f66Devang Patel// This file implements the LLVM Pass Manager infrastructure. 1155fd43f90913676682487f89f27c756adb827f66Devang Patel// 1255fd43f90913676682487f89f27c756adb827f66Devang Patel//===----------------------------------------------------------------------===// 1355fd43f90913676682487f89f27c756adb827f66Devang Patel 1455fd43f90913676682487f89f27c756adb827f66Devang Patel 15ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel#include "llvm/PassManagers.h" 1645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel#include "llvm/Support/CommandLine.h" 17c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang 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" 225b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel#include "llvm/Analysis/Dominators.h" 23d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 24ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 254520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 2685d344b0c68048527f1ac46ba22bbc950870d3c5Devang Patel#include <vector> 27b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 282bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 29c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 30ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 31e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 41e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 42e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 46f35cfe11efc7246189cec105725d696e787706f8Devang Patelbool VerifyDomInfo = false; 475b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelstatic cl::opt<bool,true> 485b57e720c875277131ed0d4f3b72a582979d1afeDevang PatelVerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo), 495b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cl::desc("Verify dominator info (time consuming)")); 505b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 5145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5226426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 5345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 5445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 55e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 56e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 57e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 58e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 59e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 6145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 6245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 63c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 653f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 677e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 69c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 70c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 73c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 74c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 751997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 76cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 77ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 78c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 79c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 80c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 81c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 82c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 8366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 8466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 8566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 8666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 8766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 88964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 89964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 90964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 91964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 92964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 93e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 949769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 95e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 96e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 97ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 98ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 99c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1001554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1021554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1031554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 104ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 105ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1061554c8545651350569f08dc7370189da1a7e5814Devang Patel 1071554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 1081554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 1091554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1101554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1111554c8545651350569f08dc7370189da1a7e5814Devang Patel } 11225919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 11384da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 11425919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 11525919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 117c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1181997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 119ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1201554c8545651350569f08dc7370189da1a7e5814Devang Patel 121ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 12836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 12936bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1311997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 132cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 133ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 134794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel PMTopLevelManager(TLM_Function) { } 1355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1385f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 1475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 1495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 1515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 152209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 1535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 1545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 1555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 1575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 1585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 1595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 1625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 1645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 1665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 167cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 1685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 172a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 173a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 175a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 1765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 1805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 1815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 1825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 183c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 184c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1851997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 1867e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 1887e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 190b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 191b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 193c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 194c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1951997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 196cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 197ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 198693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 199693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 200693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 201dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 202693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 203693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 204dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 205693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 206693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 207693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 208693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 209c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 210c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 211c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 212be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 21366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 21466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 21566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 21666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 21766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 218569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 219569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 220569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 221569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 222569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2240ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2250ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 228e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 229e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 230e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 231e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 232ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 233ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 234ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2351554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2361554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2371554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 238dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel if (FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]) 239693941bb6ed0389f998fe516eba6af738e951f79Devang Patel FPP->dumpPassStructure(Offset + 2); 2401554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 241ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 242ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 243ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2441554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 2451554c8545651350569f08dc7370189da1a7e5814Devang Patel assert ( N < PassVector.size() && "Pass number out of range!"); 2461554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = static_cast<ModulePass *>(PassVector[N]); 2471554c8545651350569f08dc7370189da1a7e5814Devang Patel return MP; 2481554c8545651350569f08dc7370189da1a7e5814Devang Patel } 2491554c8545651350569f08dc7370189da1a7e5814Devang Patel 25084da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 25184da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 25284da80d10b472332d079c58d21aa48b82e636274Devang Patel } 2530ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 2540ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 2550ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 2560ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 257dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 258c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 259c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2601997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 2617e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 2637e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 264794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 2655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 2665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 26736bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 26836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 2695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2705a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 2711997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 272cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 273ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 274f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 2755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 2765a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 2775a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 2785a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 279877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 280e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 281877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 2825a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 2835a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 2845a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 2855a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 2865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 28766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 28866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 28966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 29066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 29166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 292eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 293145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 294c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 295145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 296145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 297145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 298cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 299145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 300689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 301c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 302689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 303a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 304a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 305145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 306a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 307eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 308eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 3105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel assert ( N < PassManagers.size() && "Pass number out of range!"); 3115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 3155a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3165a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3171997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 318c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 320c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 321b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 322c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 323c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// TimingInfo Class - This class is used to calculate information about the 324c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// amount of time each pass takes to execute. This only happens when 325c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// -time-passes is enabled on the command line. 326c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel// 327c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 328c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 329c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 330c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 331c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 332c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 333c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 334c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 335c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 336c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 337c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 338c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 339c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 340c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 341c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 342c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 343c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 344c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 345c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 346c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 347c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 348c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 349c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 350c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 351c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 352c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 353c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 354c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 355c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 356c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 357c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 358c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 359c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 360c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 361c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 362c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 363c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 364c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel assert (I != TimingData.end() && "passStarted/passEnded not nested right!"); 365c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 366c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 367c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 369c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 370c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 371844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 372844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 37306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 3741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 3751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 3768f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 3778f3f3d103a8b92bd0514ab5998865205e17ef550Devang PatelPMTopLevelManager::PMTopLevelManager (enum TopLevelManagerType t) { 3788f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3798f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 3808f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 3818f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 3828f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 3838f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 3848f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3858f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel else if (t == TLM_Function) { 3868f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 3878f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 3888f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 3898f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 3908f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 3918f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 3928f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 3931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 394edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 3951b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 3961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 397edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 3981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 3991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 401d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 402d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 403d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 404d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 407721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4091b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 410721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 411721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4121b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4131b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4141b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4151b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4161b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4171b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 418edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 419721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 420721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 421721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 422721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 423721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 424721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 425721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 426721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 427721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 428721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 429721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 430721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4311b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4321b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4333b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4343b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4373b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4383b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4393b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4403b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4413b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4423b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4433b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4443b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4453b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4519d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 45422a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 45522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 45622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 4571cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 4581cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 4591cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 460c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 461641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 462641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 463c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 464641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 4651cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 4663b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 4673b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 468488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 469488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 470488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 471488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 472488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 473488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 474488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 475488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 476488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 477488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 478488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 479488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 480488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 481488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 482488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 483488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 484488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 485488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 486488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 487488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 488488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 489488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 490488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 491488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 492488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 493488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 494488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 495488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 4961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5011b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5021b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5041b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5051b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5061b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5071b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5081b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 509d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 51078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 511d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5120961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 513d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 514d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 515d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 516d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 51778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 518d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 519d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 520d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 52178766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5231b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5241b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5251b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5261b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 52997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 53097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5311a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5321a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5331b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5341b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5351b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5361b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5371b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 539ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 540a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 541ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 54226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 545ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 546ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 547ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 548ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 549ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5500961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5510961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5520961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5530961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 55478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 555ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 5560961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 557ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 558ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 559a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 560c32cf54101ecaf336d161fecd58667870149169cDevang Patel 56126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 562c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 563c32cf54101ecaf336d161fecd58667870149169cDevang Patel 564c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "Pass Arguments: "; 56578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 566c32cf54101ecaf336d161fecd58667870149169cDevang Patel E = PassManagers.end(); I != E; ++I) { 5670961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 568c32cf54101ecaf336d161fecd58667870149169cDevang Patel PMD->dumpPassArguments(); 569c32cf54101ecaf336d161fecd58667870149169cDevang Patel } 570c32cf54101ecaf336d161fecd58667870149169cDevang Patel cerr << "\n"; 571c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 572c32cf54101ecaf336d161fecd58667870149169cDevang Patel 5731336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 5741336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 57578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 5761336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = PassManagers.end(); I != E; ++I) { 5770961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 5781336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel PMD->initializeAnalysisInfo(); 5791336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel } 5801336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 5811336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 58278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 5831336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 5841336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 585721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 586721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for(DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 587721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 588721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 589721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 590721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 591721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 592721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 593721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 594721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 595721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 596721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 597721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 5981336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 5991336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 600ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 601ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 60278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 603ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 604ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 605ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 60678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 607ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 608ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6093b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6103b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 6113b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DME = AnUsageMap.end(); DMI != DME; ++DMI) { 6123b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AU = DMI->second; 6133b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel delete AU; 6143b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 6153b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 616ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 617ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6181b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 619419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 620889739c4d188d28c167644bced9df0f3131317d7Devang Patel 621b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 622f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 623b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel 624b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel if (const PassInfo *PI = P->getPassInfo()) { 625b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel AvailableAnalysis[PI] = P; 626b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 627f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //This pass is the current implementation of all of the interfaces it 628f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel //implements as well. 629f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 630f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) 631f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patel AvailableAnalysis[II[i]] = P; 632b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel } 633b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 634b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6357b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6367b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6377b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6387b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6393b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6407b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6413b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6427b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6437b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6443b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 64578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6467b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6477b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 64897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 64997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 65097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 651d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 652d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6537b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6547b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6557b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6567b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6577b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 658e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 65958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 660e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 661e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 662e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 663e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 66614d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 6679750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 668fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 66958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 67058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 671e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 67258e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 6739750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 67458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 67558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 6765b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 6775b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 6785b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6795b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 6805b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6815b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6821465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>(); 6835b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 6845b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 6855b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6865b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 6875b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 6885b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 6895b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 6900af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 6915b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 6925b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 693844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 6945b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 6955b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (0 && "Invalid dominator info"); 6965b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 6975b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 6981465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>(); 6995b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 7005b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7015b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7025b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 7035b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 7045b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 7055b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 7065b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "Dominator Information for " << F.getNameStart() << "\n"; 7070af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Pass '" << P.getPassName() << "'\n"; 7085b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cerr << "----- Valid -----\n"; 7095b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 710844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel cerr << "----- Invalid -----\n"; 7115b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 7125b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (0 && "Invalid dominator info"); 7135b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7145b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7155b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 716844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 71758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7193b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 72004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 72104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7223b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 723b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 72454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7251a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 726d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 727d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 728e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 72914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 730e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 731e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 7320af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -- '" << P->getPassName() << "' is not preserving '"; 7330af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << S->getPassName() << "'\n"; 734e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 735e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 736e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 73714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 738fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 739fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 740fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 741fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 742fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 743fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 744fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 745fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 746fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 747fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 748fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 749fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 75097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 75197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 752d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 753fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 754d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 755fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 756fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 757889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 758889739c4d188d28c167644bced9df0f3131317d7Devang Patel 759df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 7606b4af744b844ba5cf319614b6a27d213548706eeDevang Patelvoid PMDataManager::removeDeadPasses(Pass *P, const char *Msg, 7617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 762f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 763edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 765693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 7660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 7670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 7680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 769f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 770f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 7718fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 7720af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << " -*- '" << P->getPassName(); 7730af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' is the last user of following pass instances."; 7748fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel cerr << " Free these instances\n"; 7757c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 7767c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 777edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 778f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel E = DeadPasses.end(); I != E; ++I) { 7794eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 7807f99761143cdf1ad23729708e3dcaa055b189406Devang Patel dumpPassInfo(*I, FREEING_MSG, DBG_STR, Msg); 7814eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 78255d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passStarted(*I); 783f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel (*I)->releaseMemory(); 78455d5ac7b5bd2c89da52398cb4347552e94f2d06dDevang Patel if (TheTimeInfo) TheTimeInfo->passEnded(*I); 785617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (const PassInfo *PI = (*I)->getPassInfo()) { 786617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel std::map<AnalysisID, Pass*>::iterator Pos = 787617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.find(PI); 788617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 789617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // It is possible that pass is already removed from the AvailableAnalysis 790617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end()) 791617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 792617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 793617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // Remove all interfaces this pass implements, for which it is also 794617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel // listed as the available implementation. 795617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 796617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel for (unsigned i = 0, e = II.size(); i != e; ++i) { 797617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel Pos = AvailableAnalysis.find(II[i]); 798617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel if (Pos != AvailableAnalysis.end() && Pos->second == *I) 799617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel AvailableAnalysis.erase(Pos); 800617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 801617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 802f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 803df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 804df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8054045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 806893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 807e24e0e1244dc273016e541948086a89ffce1f7e4Devang Patelvoid PMDataManager::add(Pass *P, 80866eeb49d8fcfdfa4946c41fd92b8165c0086689dDevang Patel bool ProcessAnalysis) { 809e253385b108cd946b1ac150302f246d3b218be77Devang Patel 810145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 811145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 812cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 813145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 814145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 815cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 816cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 817edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 818cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 819893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel if (ProcessAnalysis) { 820e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 821e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // At the moment, this pass is the last user of all required passes. 822edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LastUses; 823569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<Pass *, 8> RequiredPasses; 824569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 825569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 826e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned PDepth = this->getDepth(); 827e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 828569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel collectRequiredAnalysis(RequiredPasses, 829569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel ReqAnalysisNotAvailable, P); 830569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 831e16634065021e36ae31f074f623a636924d6b8d1Devang Patel E = RequiredPasses.end(); I != E; ++I) { 832e16634065021e36ae31f074f623a636924d6b8d1Devang Patel Pass *PRequired = *I; 833e16634065021e36ae31f074f623a636924d6b8d1Devang Patel unsigned RDepth = 0; 834cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 8355b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (PRequired->getResolver() && "Analysis Resolver is not set"); 836cd520b187a222bf99d4238590e6517e87666e39fDevang Patel PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 837cd520b187a222bf99d4238590e6517e87666e39fDevang Patel RDepth = DM.getDepth(); 838cd520b187a222bf99d4238590e6517e87666e39fDevang Patel 839e16634065021e36ae31f074f623a636924d6b8d1Devang Patel if (PDepth == RDepth) 840e16634065021e36ae31f074f623a636924d6b8d1Devang Patel LastUses.push_back(PRequired); 841e16634065021e36ae31f074f623a636924d6b8d1Devang Patel else if (PDepth > RDepth) { 842e16634065021e36ae31f074f623a636924d6b8d1Devang Patel // Let the parent claim responsibility of last use 843ef89c5594aaa5b97f303ba0de99940b79f2c0e0eDevang Patel TransferLastUses.push_back(PRequired); 8447b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel // Keep track of higher level analysis used by this manager. 8457b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel HigherLevelAnalysis.push_back(PRequired); 846569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } else 847569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (0 && "Unable to accomodate Required Pass"); 848569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel } 849569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 8503f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // Set P as P's last user until someone starts using P. 8513f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // However, if P is a Pass Manager then it does not need 8523f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel // to record its last user. 8538df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel if (!dynamic_cast<PMDataManager *>(P)) 8543f5ecd7eb5526f75b4c36012b5b5194c69187a56Devang Patel LastUses.push_back(P); 8558df87095fc33af80e12fb883a6ccf8463518b8e2Devang Patel TPM->setLastUser(LastUses, P); 856e16634065021e36ae31f074f623a636924d6b8d1Devang Patel 857cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel if (!TransferLastUses.empty()) { 858cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel Pass *My_PM = dynamic_cast<Pass *>(this); 859cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TPM->setLastUser(TransferLastUses, My_PM); 860cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel TransferLastUses.clear(); 861cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel } 862cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 8630ed8df38c26a910bd7adbe105172b434898646f3Devang Patel // Now, take care of required analysises that are not available. 8640ed8df38c26a910bd7adbe105172b434898646f3Devang Patel for (SmallVector<AnalysisID, 8>::iterator 8650ed8df38c26a910bd7adbe105172b434898646f3Devang Patel I = ReqAnalysisNotAvailable.begin(), 8660ed8df38c26a910bd7adbe105172b434898646f3Devang Patel E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 8670ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Pass *AnalysisPass = (*I)->createPass(); 8680ed8df38c26a910bd7adbe105172b434898646f3Devang Patel this->addLowerLevelRequiredPass(P, AnalysisPass); 8690ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 8700ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 8710ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel // Take a note of analysis required and made available by this pass. 872893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel // Remove the analysis not preserved by this pass 873893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel removeNotPreservedAnalysis(P); 8740ac961d9c1c511204abfb02f5c25c92da6b75eb6Devang Patel recordAvailableAnalysis(P); 875893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 876e253385b108cd946b1ac150302f246d3b218be77Devang Patel 877e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 878e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 879e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 880e253385b108cd946b1ac150302f246d3b218be77Devang Patel 881569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 882569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 883569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 884569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 885569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 886569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 887569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 8883b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 8893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 890fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 891c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I = RequiredSet.begin(), E = RequiredSet.end(); 892c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel I != E; ++I) { 893569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 894569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 895569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 896569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 897569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 898c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 89927aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 901fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 90227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 903569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel AnalysisID AID = *I; 904569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 905569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 906569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 907569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP_NotAvail.push_back(AID); 90827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 909c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 910c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9112f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9122f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9132f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9142f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9152f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 916419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9183b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 919fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9203b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9213b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 92269867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9232f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 924f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 925f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 926f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 927cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 9285b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel assert (AR && "Analysis Resolver is not set"); 929298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9302f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9312f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9322f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 93369867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 93469867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 93569867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 93669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 93769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 93869867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 93969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 94069867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 94169867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 94269867b511c732a7fac7301977bd6e880e46439f1Devang Patel 94369867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 94469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 94569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 94669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9475b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 94869867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 94969867b511c732a7fac7301977bd6e880e46439f1Devang Patel 950a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 951a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 952a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 953edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 954693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 955693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 956693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 957693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 958693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 959a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 960a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 961edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 962a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 963a52035a062edf9bfbf95c92c615219b647042c17Devang Patel llvm::cerr << "--" << std::string(Offset*2, ' '); 964a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 965a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 966a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 967a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 968a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 96978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for(SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 970a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 971a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 972a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 973a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 974a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 975a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 976a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << " -" << PI->getPassArgument(); 977a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 978a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 979a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 980417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 981417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 9826b4af744b844ba5cf319614b6a27d213548706eeDevang Patel const char *Msg) { 98326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 984a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 985a52035a062edf9bfbf95c92c615219b647042c17Devang Patel cerr << (void*)this << std::string(getDepth()*2+1, ' '); 9867f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 9877f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 9887f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << "Executing Pass '" << P->getPassName(); 9897f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9907f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 9917d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "Made Modification '" << P->getPassName(); 9927f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9937f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 9947f99761143cdf1ad23729708e3dcaa055b189406Devang Patel cerr << " Freeing Pass '" << P->getPassName(); 9957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 9977f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 9987f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 9997f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10007f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 10017d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on BasicBlock '" << Msg << "'...\n"; 10027f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10037f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 10047d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Function '" << Msg << "'...\n"; 10057f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10067f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 10077d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Module '" << Msg << "'...\n"; 10087f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10097f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 10107d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Loop " << Msg << "'...\n"; 10117f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10127f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10137d97bf14293d2c741287689f2a547bf3e6fc7dd0Devang Patel cerr << "' on Call Graph " << Msg << "'...\n"; 10147f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10157f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10167f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10177f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1018a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1019a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 10200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) 10210dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner const { 10220dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10230dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10240dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10250dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10260dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10270dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10280dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10290dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10300dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) 10310dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner const { 10320dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10330dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10340dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10350dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10360dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10370dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10380dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10390dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10400dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattnervoid PMDataManager::dumpAnalysisUsage(const char *Msg, const Pass *P, 1041fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner const AnalysisUsage::VectorType &Set) 1042a52035a062edf9bfbf95c92c615219b647042c17Devang Patel const { 10430dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10440dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10450dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10460dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 10470dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 10480dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (i) cerr << ","; 10490dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << " " << Set[i]->getPassName(); 10500dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner } 10510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner cerr << "\n"; 1052a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1053f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 105419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 105519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 105619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 105719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 105819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 105919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 106019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 106119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 106219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10631cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10641cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 10651cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 10661cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 10671cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 10681cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 10691cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10701cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 10711cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 10721cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1073c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 10740af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "Unable to schedule '" << RequiredPass->getPassName(); 10750af822508823b7f1602a2f32a5f75de170d649aaDan Gohman cerr << "' required by '" << P->getPassName() << "'\n"; 1076c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1077c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel assert (0 && "Unable to schedule pass"); 107819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 107919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1080ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1081ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 1082ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 108378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1084ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1085ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1086ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1087ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1088ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1089f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1090f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 10911465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 10921465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1093f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1094f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1095f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 10966b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 10976b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 10986b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 10996b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11006b1df0e863963929634d769f39cbce68f030f051Devang Patel 110106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 110355fd43f90913676682487f89f27c756adb827f66Devang Patel 110455fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 110555fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 110655fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 110755fd43f90913676682487f89f27c756adb827f66Devang Patelbool 11085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelBBPassManager::runOnFunction(Function &F) { 110955fd43f90913676682487f89f27c756adb827f66Devang Patel 11105cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11111fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11121fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11133b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1114c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 111555fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11161554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11171554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1118017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11196b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getNameStart()); 11200dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1121017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11221554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1123693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11241554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(BP); 112555fd43f90913676682487f89f27c756adb827f66Devang Patel Changed |= BP->runOnBasicBlock(*I); 11261554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(BP); 1127693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 112997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 113097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman I->getNameStart()); 11310dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1132693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 113358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11341554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11351554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 11366b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(BP, I->getNameStart(), ON_BASICBLOCK_MSG); 113755fd43f90913676682487f89f27c756adb827f66Devang Patel } 1138fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11391a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 114055fd43f90913676682487f89f27c756adb827f66Devang Patel} 114155fd43f90913676682487f89f27c756adb827f66Devang Patel 1142964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 11435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Module &M) { 1144964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1145964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11461554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11471554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1148964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(M); 1149964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1150964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1151964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1152964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1153964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Module &M) { 1155964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1156964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11571554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11581554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1159964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(M); 1160964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1161964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1162964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1163964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1164964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doInitialization(Function &F) { 1166964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1167964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11681554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11691554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1170964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1171964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1172964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1173964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1174964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1175964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool BBPassManager::doFinalization(Function &F) { 1177964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 11791554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11801554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1182964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1183964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1186964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1187964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 118806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11893162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 119006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1191c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 11923162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 11935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1194dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1195dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1196b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 119759ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1198b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1199b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1200cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1201cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1202cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12033162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 120437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 120537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 120637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1207c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1208c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1209c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1210c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1211c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12123162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1213c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1214c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1215c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1216214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1217214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1218214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1219214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12203162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1221214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1222214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1223a99be51bf5cdac1438069d4b01766c47704961c8Gabor Greif cerr << "Error reading bitcode file: " << errstr << "\n"; 1224214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel abort(); 1225214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1226c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1227214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1228214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1229214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12303799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12313799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12323162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12333799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12343799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12353799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1236209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12373799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12383162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12393799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12403799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12413799f97d539f6c288d169063e1b335917fafcffbDevang Patel 124206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 12455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doInitialization(Module &M) { 12465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 12505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doInitialization(M); 12515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 12525f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12535f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12565f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FunctionPassManagerImpl::doFinalization(Module &M) { 12575f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12585f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12595f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 12615f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->doFinalization(M); 12625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 12635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12675f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 12685f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 12695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 12705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 12745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 12765f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 12775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12781336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 12795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 12805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = getContainedManager(Index); 12815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Changed |= FP->runOnFunction(F); 12825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 12875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1288448d27cd795dc273249f123444509403f4fa4facDevang Patel 12891997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1290ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1291ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 1292ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel llvm::cerr << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1293ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1294ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1295ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1296ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1297ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1298ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1299ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1300ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1301448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1302448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1303448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1305214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1306214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13071fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13085cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 13091fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 1310bed7e6849823042c442e7e88dba5d41f68982815Devang Patel 1311bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1312bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13131fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13141554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13151554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13161554c8545651350569f08dc7370189da1a7e5814Devang Patel 13176b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13180dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1319693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13201554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13221554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1323214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel Changed |= FP->runOnFunction(F); 13241554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1325693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13267f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 13276b4af744b844ba5cf319614b6a27d213548706eeDevang Patel dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getNameStart()); 13280dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1329693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 133058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13311554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13321554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 13336b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(FP, F.getNameStart(), ON_FUNCTION_MSG); 13345b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1335844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13365b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1337214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1338214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1339214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1340214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 1342214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13445f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for(Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 13465f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel this->runOnFunction(*I); 13475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13485f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 13495f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13505f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13515f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doInitialization(Module &M) { 13523799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13533799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13541554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13551554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13563799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doInitialization(M); 13573799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 13583799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13593799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13603799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13613799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelinline bool FPPassManager::doFinalization(Module &M) { 13633799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 13643799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13651554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13661554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13673799f97d539f6c288d169063e1b335917fafcffbDevang Patel Changed |= FP->doFinalization(M); 13683799f97d539f6c288d169063e1b335917fafcffbDevang Patel } 13693799f97d539f6c288d169063e1b335917fafcffbDevang Patel 13703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 13713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 13723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 137306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 13745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 137592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 137692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 137792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 137892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 137992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 13805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 138192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1382c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 13831554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13841554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 13851554c8545651350569f08dc7370189da1a7e5814Devang Patel 138697cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 138797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13880dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1389693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13901554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 13918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 13921554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passStarted(MP); 139392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel Changed |= MP->runOnModule(M); 13941554c8545651350569f08dc7370189da1a7e5814Devang Patel if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1395693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13967f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 139797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 139897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 13990dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1400e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 140158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14021554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14031554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14046b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 140592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 140692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 140792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 140892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1409569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1410569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1411569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1412569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1413569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1414569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert (P->getPotentialPassManagerType() == PMT_ModulePassManager 1415569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1416569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel assert ((P->getPotentialPassManagerType() < 1417569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RequiredPass->getPotentialPassManagerType()) 1418569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel && "Unable to handle Pass that requires lower level Analysis pass"); 1419569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1420dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1422dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1423dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1424dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1425dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14260ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14270ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1428dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14290ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1430dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1431edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1432dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1433dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1434569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 14350ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14360ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 14370ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 14380ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 14390ed8df38c26a910bd7adbe105172b434898646f3Devang PatelPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, 14400ed8df38c26a910bd7adbe105172b434898646f3Devang Patel Function &F) { 14410ed8df38c26a910bd7adbe105172b434898646f3Devang Patel AnalysisID AID = PI; 1442dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 14430ed8df38c26a910bd7adbe105172b434898646f3Devang Patel assert (FPP && "Unable to find on the fly pass"); 14440ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1445dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1446dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(AID); 14470ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 14480ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 14490ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 145006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 145106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 145237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1453b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1454b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 14555f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1456b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel 1457b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 145845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14598e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 14608e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1461c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 14625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 146345dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 14641336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 14655f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 14665f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = getContainedManager(Index); 1467a083e94f7971ddafb817b1bcd86992d9fc4d8f9eDevang Patel Changed |= MP->runOnModule(M); 1468b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel } 1469b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1470b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 14715a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 147206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 147306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 147406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 14755a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 14763162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 14775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1478dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1479dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 14805a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14815a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14823162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 148337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 148437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 148537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 14865a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 14875a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 14885a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 14895a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 14905a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelvoid 14913162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::add(Pass *P) { 14925a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 14935a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 14945a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 14955a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 14965a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 14975a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelbool 14983162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::run(Module &M) { 14995a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 15005a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15015a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15028e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 15038e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 15048e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 15058e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15068e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15078e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15088e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15098e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15108e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15118e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15128e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15138e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15148e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15158e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15168e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15178e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15188e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15198e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15208e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15228e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15238e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15248e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1525c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 1526c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StartPassTimer(Pass *P) { 1527c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1528c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1529c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1530c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1531c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 1532c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelvoid StopPassTimer(Pass *P) { 1533c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1534c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1535c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1536c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 153709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 153809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 153909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 154036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 154109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 154209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 154309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 154409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 154509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 154609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 154709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 154809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 154909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 155009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1551c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 155209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 155397149737f27457b0411e49af3e4539688e29848fDevang Patel PMDataManager *Top = NULL; 155497149737f27457b0411e49af3e4539688e29848fDevang Patel assert (PM && "Unable to push. Pass Manager expected"); 155597149737f27457b0411e49af3e4539688e29848fDevang Patel 155697149737f27457b0411e49af3e4539688e29848fDevang Patel if (this->empty()) { 155797149737f27457b0411e49af3e4539688e29848fDevang Patel Top = PM; 155897149737f27457b0411e49af3e4539688e29848fDevang Patel } 155997149737f27457b0411e49af3e4539688e29848fDevang Patel else { 156097149737f27457b0411e49af3e4539688e29848fDevang Patel Top = this->top(); 156197149737f27457b0411e49af3e4539688e29848fDevang Patel PMTopLevelManager *TPM = Top->getTopLevelManager(); 156297149737f27457b0411e49af3e4539688e29848fDevang Patel 156397149737f27457b0411e49af3e4539688e29848fDevang Patel assert (TPM && "Unable to find top level manager"); 156497149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 156597149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 156697149737f27457b0411e49af3e4539688e29848fDevang Patel } 156797149737f27457b0411e49af3e4539688e29848fDevang Patel 156897149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 156997149737f27457b0411e49af3e4539688e29848fDevang Patel} 157009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 157197149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 157297149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 157397149737f27457b0411e49af3e4539688e29848fDevang Patel for(std::deque<PMDataManager *>::iterator I = S.begin(), 157497149737f27457b0411e49af3e4539688e29848fDevang Patel E = S.end(); I != E; ++I) { 157597149737f27457b0411e49af3e4539688e29848fDevang Patel Pass *P = dynamic_cast<Pass *>(*I); 1576fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("%s ", P->getPassName()); 157797149737f27457b0411e49af3e4539688e29848fDevang Patel } 157897149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1579fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 158009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 158109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 158209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 158309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1584be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1585bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 158609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 158709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 158809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 158944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 159044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 159144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 159244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 159309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 15946b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 15956b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 159609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1597bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 159844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 159909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 160009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 16029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1603be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1604bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 160509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16060938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 160709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 16086b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 16096b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 161009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 16119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 161209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 16139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 161409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 161997149737f27457b0411e49af3e4539688e29848fDevang Patel 16209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1622bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 162397149737f27457b0411e49af3e4539688e29848fDevang Patel 16249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16259d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 162797149737f27457b0411e49af3e4539688e29848fDevang Patel 16289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16300938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16339d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 163509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16369d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16379d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 163809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 163909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16409d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16419d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1642be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1643bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 164409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 164509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 164609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 164797149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 164897149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1649fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 165009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 165109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16529d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 16539d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 16549d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 16569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 16579d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 16589d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16599d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 16609d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 16619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16639d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 16649d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 166697149737f27457b0411e49af3e4539688e29848fDevang Patel 166797149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 166897149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 166959ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1670531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 16719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 16739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 167409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 16769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 167709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 167809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1679580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1680d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1681d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1682d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1683d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1684d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1685d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1686d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1687d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1688d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1689d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1690d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1691d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1692d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1693d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1694d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1695d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1696d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1697d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1698d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1699d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1700d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1701d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1702d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1703d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1704d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1705d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1706d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1707d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1708d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1709d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1710