PassManager.cpp revision 27a8fb8a546ec5d39b057bfe2ee5c36a8e454f09
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" 20ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin#include "llvm/Support/ErrorHandling.h" 218e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel#include "llvm/Support/ManagedStatic.h" 22d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner#include "llvm/Support/raw_ostream.h" 23f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson#include "llvm/System/Mutex.h" 24e3cd5ca7e79f4359e8a101c211fc9c117eb62347Owen Anderson#include "llvm/System/Threading.h" 255b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel#include "llvm/Analysis/Dominators.h" 26d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen#include "llvm-c/Core.h" 27ca5183d445954a9b2a570d6bbba1bc2b00ad6442Jeff Cohen#include <algorithm> 284520dd2b7b20af07d5a3e4d06d964a532044eb10Duncan Sands#include <cstdio> 29b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel#include <map> 302bb7d0647e5b3f79ad9b6e7efd0dd99f24a0ca69Dan Gohmanusing namespace llvm; 31c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patel 32ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// See PassManagers.h for Pass Manager infrastructure overview. 33e77242c3d5843a5a6484794254623c8552dc6a4fDevang Patel 3445dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelnamespace llvm { 3545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 3645dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel//===----------------------------------------------------------------------===// 3745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// Pass debugging information. Often it is useful to find out what pass is 3845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// running when a crash occurs in a utility. When this library is compiled with 3945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// debugging on, a command line option (--debug-pass) is enabled that causes the 4045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// pass name to be printed before it executes. 4145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel// 4245dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 43e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel// Different debug levels that can be enabled... 44e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patelenum PassDebugLevel { 45e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel None, Arguments, Structure, Executions, Details 46e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel}; 47e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel 48d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands// Always verify dominfo if expensive checking is enabled. 49d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands#ifdef XDEBUG 50d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sandsbool VerifyDomInfo = true; 51d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands#else 52f35cfe11efc7246189cec105725d696e787706f8Devang Patelbool VerifyDomInfo = false; 53d6752d1666fc040c368caba23372c116c1ed75c1Duncan Sands#endif 545b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelstatic cl::opt<bool,true> 555b57e720c875277131ed0d4f3b72a582979d1afeDevang PatelVerifyDomInfoX("verify-dom-info", cl::location(VerifyDomInfo), 565b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel cl::desc("Verify dominator info (time consuming)")); 575b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 5845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patelstatic cl::opt<enum PassDebugLevel> 5926426949f33e5a77fbd2fa330f7df5626e8b177dDevang PatelPassDebugging("debug-pass", cl::Hidden, 6045dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::desc("Print PassManager debugging information"), 6145dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel cl::values( 62e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(None , "disable debug output"), 63e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Arguments , "print pass arguments to pass to 'opt'"), 64e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Structure , "print pass structure before run()"), 65e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Executions, "print pass name before it is executed"), 66e8ff1ce7343c697ff90d940c8c5fa8fccc09220dDevang Patel clEnumVal(Details , "print pass details when it is executed"), 6745dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel clEnumValEnd)); 6845dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel} // End of llvm namespace 6945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 709554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// isPassDebuggingExecutionsOrMore - Return true if -debug-pass=Executions 719554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner/// or higher is specified. 729554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattnerbool PMDataManager::isPassDebuggingExecutionsOrMore() const { 739554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner return PassDebugging >= Executions; 749554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner} 759554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 769554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 779554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 789554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner 79d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PassManagerPrettyStackEntry::print(raw_ostream &OS) const { 80d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0 && M == 0) 81d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Releasing pass '"; 82d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 83d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << "Running pass '"; 84d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 85d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << P->getPassName() << "'"; 86d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 87d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (M) { 88d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << " on module '" << M->getModuleIdentifier() << "'.\n"; 89d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 90d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 91d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (V == 0) { 92d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner OS << '\n'; 93d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner return; 94d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 95d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 96ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " on "; 97d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (isa<Function>(V)) 98ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "function"; 99d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else if (isa<BasicBlock>(V)) 100ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "basic block"; 101d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner else 102ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "value"; 103ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman 104ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << " '"; 105ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman WriteAsOperand(OS, V, /*PrintTy=*/false, M); 106ac57b128c4846bdbd82a43b0f5f04a879aa94b08Dan Gohman OS << "'\n"; 107d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner} 108d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 109d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 110c2ff962bf97761a54c94d2dadb555060403d49c6Devang Patelnamespace { 1111b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 1123f5d2b58b84cb12a9520dd33921ca556d539eb4dDevang Patel//===----------------------------------------------------------------------===// 1135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager 1147e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 1155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// BBPassManager manages BasicBlockPass. It batches all the 116c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// pass together and sequence them to process one basic block before 117c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel/// processing next basic block. 1185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass VISIBILITY_HIDDEN BBPassManager : public PMDataManager, 1195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel public FunctionPass { 120c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 121c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 1221997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 123cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit BBPassManager(int Depth) 124ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman : PMDataManager(Depth), FunctionPass(&ID) {} 125c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 126c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// Execute all of the passes scheduled for execution. Keep track of 127c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the function, and if so, return true. 128c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnFunction(Function &F); 129c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 13066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 13166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 13266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 13366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 13466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 135964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Module &M); 136964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doInitialization(Function &F); 137964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Module &M); 138964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool doFinalization(Function &F); 139964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 140e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 1419769cee9f74947429f2b05ed7d41d206690e350dDan Gohman return "BasicBlock Pass Manager"; 142e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 143e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 144ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 145ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 14693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "BasicBlockPass Manager\n"; 1471554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1481554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1491554c8545651350569f08dc7370189da1a7e5814Devang Patel BP->dumpPassStructure(Offset + 1); 1501554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(BP, Offset+1); 151ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 152ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 1531554c8545651350569f08dc7370189da1a7e5814Devang Patel 1541554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *getContainedPass(unsigned N) { 155f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 1561554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = static_cast<BasicBlockPass *>(PassVector[N]); 1571554c8545651350569f08dc7370189da1a7e5814Devang Patel return BP; 1581554c8545651350569f08dc7370189da1a7e5814Devang Patel } 15925919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel 16084da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 16125919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel return PMT_BasicBlockPassManager; 16225919cb7802f2682b159a040ba07c5bd12b54efaDevang Patel } 163c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 164c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 1651997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar BBPassManager::ID = 0; 166ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1671554c8545651350569f08dc7370189da1a7e5814Devang Patel 168ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelnamespace llvm { 1695f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1705f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 1715f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl 1725f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1735f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// FunctionPassManagerImpl manages FPPassManagers 1745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass FunctionPassManagerImpl : public Pass, 17536bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 17636bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 1771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinprivate: 1781970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin bool wasRun; 1795f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelpublic: 1801997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 181cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit FunctionPassManagerImpl(int Depth) : 182ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), 1831970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin PMTopLevelManager(TLM_Function), wasRun(false) { } 1845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1855f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 1865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 1875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// will be destroyed as well, so there is no need to delete the pass. This 1885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// implies that all passes MUST be allocated with 'new'. 1895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void add(Pass *P) { 1905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel schedulePass(P); 1915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 1925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1931970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Prepare for running an on the fly pass, freeing memory if needed 1941970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // from a previous run. 1951970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin void releaseMemoryOnTheFly(); 1961970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 1975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 1985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// whether any of the passes modifies the module, and if so, return true. 1995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool run(Function &F); 2005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// doInitialization - Run all of the initializers for the function passes. 2025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2035f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doInitialization(Module &M); 2045f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 205209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman /// doFinalization - Run all of the finalizers for the function passes. 2065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// 2075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool doFinalization(Module &M); 2085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2095f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel /// Pass Manager itself does not invalidate any analysis info. 2105f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 2115f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel Info.setPreservesAll(); 2125f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2135f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2145f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel inline void addTopLevelPass(Pass *P) { 2155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 2175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // P is a immutable pass and it will be managed by this 2195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel // top level manager. Set up analysis resolver to connect them. 220cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 2215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel P->setResolver(AR); 2225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel initializeAnalysisImpl(P); 2235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel addImmutablePass(IP); 2245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel recordAvailableAnalysis(IP); 225a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 226a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 2275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 228a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel 2295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 2305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 2315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *getContainedManager(unsigned N) { 232f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 2335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPPassManager *FP = static_cast<FPPassManager *>(PassManagers[N]); 2345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return FP; 2355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 236c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 237c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 2381997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FunctionPassManagerImpl::ID = 0; 2397e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 2405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager 2417e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 2425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// MPPassManager manages ModulePasses and function pass managers. 243b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// It batches all Module passes and function pass managers together and 244b4b28231f792a232a7d143eed7790424846dcecaDan Gohman/// sequences them to process one module. 2455f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass MPPassManager : public Pass, public PMDataManager { 246c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patelpublic: 2471997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 248cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit MPPassManager(int Depth) : 249ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth) { } 250693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 251693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // Delete on the fly managers. 252693941bb6ed0389f998fe516eba6af738e951f79Devang Patel virtual ~MPPassManager() { 253dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 254693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 255693941bb6ed0389f998fe516eba6af738e951f79Devang Patel I != E; ++I) { 256dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = I->second; 257693941bb6ed0389f998fe516eba6af738e951f79Devang Patel delete FPP; 258693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 259693941bb6ed0389f998fe516eba6af738e951f79Devang Patel } 260693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 261c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 262c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel /// whether any of the passes modifies the module, and if so, return true. 263c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel bool runOnModule(Module &M); 264be6d515f481756ff549f355e32be1ac398e141d5Devang Patel 26566d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 26666d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 26766d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 26866d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 26966d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 270569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// Add RequiredPass into list of lower level passes required by pass P. 271569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// RequiredPass is run on the fly by Pass Manager when P requests it 272569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel /// through getAnalysis interface. 273569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel virtual void addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass); 274569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 2750ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Return function pass corresponding to PassInfo PI, that is 2760ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// required by module pass MP. Instantiate analysis pass, by using 2770ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// its runOnFunction() for function F. 2780ed8df38c26a910bd7adbe105172b434898646f3Devang Patel virtual Pass* getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F); 2790ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 280e27ae7e44ea024ad4b73939820563373cca28228Devang Patel virtual const char *getPassName() const { 281e27ae7e44ea024ad4b73939820563373cca28228Devang Patel return "Module Pass Manager"; 282e27ae7e44ea024ad4b73939820563373cca28228Devang Patel } 283e27ae7e44ea024ad4b73939820563373cca28228Devang Patel 284ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print passes managed by this manager 285ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel void dumpPassStructure(unsigned Offset) { 28693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "ModulePass Manager\n"; 2871554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 2881554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 2891554c8545651350569f08dc7370189da1a7e5814Devang Patel MP->dumpPassStructure(Offset + 1); 29082c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman std::map<Pass *, FunctionPassManagerImpl *>::const_iterator I = 29182c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman OnTheFlyManagers.find(MP); 29282c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman if (I != OnTheFlyManagers.end()) 29382c32c42724f92b899287b4f34029eb1170c43f9Dan Gohman I->second->dumpPassStructure(Offset + 2); 2941554c8545651350569f08dc7370189da1a7e5814Devang Patel dumpLastUses(MP, Offset+1); 295ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 296ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 297ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 2981554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *getContainedPass(unsigned N) { 299f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassVector.size() && "Pass number out of range!"); 300f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return static_cast<ModulePass *>(PassVector[N]); 3011554c8545651350569f08dc7370189da1a7e5814Devang Patel } 3021554c8545651350569f08dc7370189da1a7e5814Devang Patel 30384da80d10b472332d079c58d21aa48b82e636274Devang Patel virtual PassManagerType getPassManagerType() const { 30484da80d10b472332d079c58d21aa48b82e636274Devang Patel return PMT_ModulePassManager; 30584da80d10b472332d079c58d21aa48b82e636274Devang Patel } 3060ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 3070ed8df38c26a910bd7adbe105172b434898646f3Devang Patel private: 3080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// Collection of on the fly FPPassManagers. These managers manage 3090ed8df38c26a910bd7adbe105172b434898646f3Devang Patel /// function passes that are required by module passes. 310dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel std::map<Pass *, FunctionPassManagerImpl *> OnTheFlyManagers; 311c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel}; 312c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 3131997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar MPPassManager::ID = 0; 3147e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel//===----------------------------------------------------------------------===// 3155f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// PassManagerImpl 3167e601a70fcaf0a3090368425bbb339aab038d3e3Devang Patel// 317794fd75c67a2cdc128d67342c6d88a504d186896Devang Patel 3185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel/// PassManagerImpl manages MPPassManagers 3195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelclass PassManagerImpl : public Pass, 32036bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMDataManager, 32136bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel public PMTopLevelManager { 3225a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3235a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patelpublic: 3241997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patel static char ID; 325cdf2b3b2f88d6f961b664e3f67a8ee37b46b0d27Dan Gohman explicit PassManagerImpl(int Depth) : 326ae73dc1448d25b02cabc7c64c86c64371453dda8Dan Gohman Pass(&ID), PMDataManager(Depth), PMTopLevelManager(TLM_Pass) { } 327f72d29c540bf32b9c0e8914484cbbdeac70ee12aDevang Patel 3285a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// add - Add a pass to the queue of passes to run. This passes ownership of 3295a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// the Pass to the PassManager. When the PassManager is destroyed, the pass 3305a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// will be destroyed as well, so there is no need to delete the pass. This 3315a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// implies that all passes MUST be allocated with 'new'. 332877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel void add(Pass *P) { 333e61b7478e53cea3183d4aee3799a4f0977b850a0Devang Patel schedulePass(P); 334877bfbb9ef75e7fe333d93abecaf0579780ccf54Devang Patel } 3355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3365a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// run - Execute all of the passes scheduled for execution. Keep track of 3375a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel /// whether any of the passes modifies the module, and if so, return true. 3385a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel bool run(Module &M); 3395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 34066d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel /// Pass Manager itself does not invalidate any analysis info. 34166d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel void getAnalysisUsage(AnalysisUsage &Info) const { 34266d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel Info.setPreservesAll(); 34366d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel } 34466d72e140bf7bdfe03383bfb4d3fe53a420d147bDevang Patel 345eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel inline void addTopLevelPass(Pass *P) { 346c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel if (ImmutablePass *IP = dynamic_cast<ImmutablePass *> (P)) { 347145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 348145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // P is a immutable pass and it will be managed by this 349145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // top level manager. Set up analysis resolver to connect them. 350cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 351145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 352689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel initializeAnalysisImpl(P); 353c9a6293af7b433146d8f7ecf8fa494b530af9376Devang Patel addImmutablePass(IP); 354689c683bccbb28b4d18a3dbe1b1c28ee6b90b17aDevang Patel recordAvailableAnalysis(IP); 355a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel } else { 356a0dd987916b6e8dd445c35bdd456c55e7cd6fa3bDevang Patel P->assignPassManager(activeStack); 357145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel } 358eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel } 359eb0d613ef6755f93610e08534a203c41ec14b56aDevang Patel 3605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *getContainedManager(unsigned N) { 361f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(N < PassManagers.size() && "Pass number out of range!"); 3625f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel MPPassManager *MP = static_cast<MPPassManager *>(PassManagers[N]); 3635f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return MP; 3645f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel } 3655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel}; 3665a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 3671997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar PassManagerImpl::ID = 0; 368c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of llvm namespace 3698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 370c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelnamespace { 371b05ef6a8eb4e06a4c3addb74d7d30eb2150049eaDevang Patel 372c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel//===----------------------------------------------------------------------===// 373d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// TimingInfo Class - This class is used to calculate information about the 374d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// amount of time each pass takes to execute. This only happens when 375d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// -time-passes is enabled on the command line. 376d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner/// 377f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 3783c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Andersonstatic ManagedStatic<sys::SmartMutex<true> > TimingInfoMutex; 379f005a6466af1557da10f9857cf210f946bfa2b85Owen Anderson 380c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelclass VISIBILITY_HIDDEN TimingInfo { 381c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer> TimingData; 382c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimerGroup TG; 383c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 384c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patelpublic: 385c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Use 'create' member to get this. 386c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingInfo() : TG("... Pass execution timing report ...") {} 387c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 388c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimingDtor - Print out information about timing information 389c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel ~TimingInfo() { 390c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // Delete all of the timers... 391c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TimingData.clear(); 392c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // TimerGroup is deleted next, printing the report. 393c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 394c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 395c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // createTheTimeInfo - This method either initializes the TheTimeInfo pointer 396c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // to a non null value (if the -time-passes option is enabled) or it leaves it 397c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel // null. It may be called multiple times. 398c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel static void createTheTimeInfo(); 399c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 400c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passStarted(Pass *P) { 401c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 402c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 403c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 404a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 405c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 406c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 407c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 408c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.startTimer(); 409c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 4103c8031df6d555ab6dc6b629273fd8244b801e4d6Owen Anderson 411c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel void passEnded(Pass *P) { 412c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 413c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel return; 414c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 415a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 416c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 417f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(I != TimingData.end() && "passStarted/passEnded not nested right!"); 418c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I->second.stopTimer(); 419c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 420c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 421c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 422c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 423c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 424844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 425844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 42606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4271b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4281b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4298f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 430d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4318f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4328f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4338f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4348f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4358f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 436d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4378f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4388f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4398f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4408f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4418f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4428f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4438f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 445edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 447edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 451d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 452d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 453d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 454d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 457721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 460721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 461721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4621b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4631b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4641b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4651b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4661b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 468edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 469721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 470721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 471721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 472721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 473721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 474721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 475721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 476721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 477721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 478721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 479721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 480721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4833b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4853b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4863b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4873b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4883b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4903b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4913b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4923b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4933b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4943b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4953b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4961b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4981b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4991b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 5001b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 5029d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 5031b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 50422a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 50522a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 50622a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5071cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5081cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5091cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 510c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 511641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 512641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 513c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 514641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5151cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5163b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5173b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 518488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 519488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 520488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 521488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 522488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 523488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 524488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 525488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 526488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 527488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 528488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 529488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 530488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 531488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 532488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 533488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 534488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 535488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 536488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 537488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 538488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 539488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 540488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 541488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 542488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 543488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 544488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 545488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5541b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 559d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 56078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 561d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5620961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 563d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 564d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 565d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 566d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 567f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 568f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 569d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 570d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 571d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 57278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5741b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5771b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 58097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 58197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5821a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5831a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5841b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5851b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5861b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5871b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5881b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5891b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 590ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 591a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 592ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 59326426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 596ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 597ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 598ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 599ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 600ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 6010961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 6020961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 6030961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 6040961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 60578766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 606ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 6070961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 608ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 609ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 610a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 611c32cf54101ecaf336d161fecd58667870149169cDevang Patel 61226426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 613c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 614c32cf54101ecaf336d161fecd58667870149169cDevang Patel 61593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass Arguments: "; 61678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 617d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 618d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 61993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "\n"; 620c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 621c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6221336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 62378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 624d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 625d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 6261336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6271336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 62878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6291336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6301336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 631721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 632f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 633721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 634721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 635721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 636721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 637721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 638721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 639721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 640721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 641721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 642721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 643721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6441336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6451336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 646ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 647ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 64878766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 649ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 650ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 651ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 65278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 653ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 654ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 657f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 658f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 659ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 660ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 662419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 663889739c4d188d28c167644bced9df0f3131317d7Devang Patel 664b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 665f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 666f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 667f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 668f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 669f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 670b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 671f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 672f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 673f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 674f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 675f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 676b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 677b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6797b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6807b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6813b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6837b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6847b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6853b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 68678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6877b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6887b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 68997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 69097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 69197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 692d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 693d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6947b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6957b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6967b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6977b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6987b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 699e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 70058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 701e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 702e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 703e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 704e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 7053b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7063b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 70714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 7089750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 709fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 71058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 71158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 712e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 71358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 7149750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 71558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 71658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 7175b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 7185b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 7195b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 7205b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7215b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7221465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>(); 7235b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 7245b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7255b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7265b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 7275b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 7285b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 72993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Dominator Information for " << F.getName() << "\n"; 73093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass '" << P.getPassName() << "'\n"; 73193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Valid -----\n"; 7325b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 73393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Invalid -----\n"; 7345b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 735c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Invalid dominator info"); 7365b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7375b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7381465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>(); 7395b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 7405b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7415b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7425b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 7435b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 7445b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 7455b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 74693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Dominator Information for " << F.getName() << "\n"; 74793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass '" << P.getPassName() << "'\n"; 74893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Valid -----\n"; 7495b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 75093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Invalid -----\n"; 7515b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 752c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Invalid dominator info"); 7535b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7545b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7555b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 756844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 75758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 76004b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 76104b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 763b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 76454e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7651a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 766d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 767d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 768e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 76914d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 770e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 771e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 77293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -- '" << P->getPassName() << "' is not preserving '"; 77393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << S->getPassName() << "'\n"; 774e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 775e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 776e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 77714d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 778fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 779fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 780fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 781fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 782fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 783fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 784fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 785fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 786fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 787fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 788fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 789fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 79097cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 79197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 792d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 793fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 794d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 795fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 796fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 797889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 798889739c4d188d28c167644bced9df0f3131317d7Devang Patel 799df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 80093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, const StringRef &Msg, 8017f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 802f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 803edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 8040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 805693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8060ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8070ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8080ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 809f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 810f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8118fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 81293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -*- '" << P->getPassName(); 81393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' is the last user of following pass instances."; 81493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " Free these instances\n"; 8157c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8167c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 817edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 81827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 81927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 82027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 8214eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 82227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohmanvoid PMDataManager::freePass(Pass *P, const StringRef &Msg, 82327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 82427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 8254eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 82627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 82727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 82827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 82927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman 83027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (TheTimeInfo) TheTimeInfo->passStarted(P); 83127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 83227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (TheTimeInfo) TheTimeInfo->passEnded(P); 83327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 834617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 83527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (const PassInfo *PI = P->getPassInfo()) { 83627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 83727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 838617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 83927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 84027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 84127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 84227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman for (unsigned i = 0, e = II.size(); i != e; ++i) { 84327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 84427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.find(II[i]); 84527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 84627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 847617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 848f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 849df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 850df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8514045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 852893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 853f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 854145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 855145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 856cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 857145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 858145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 859cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 860cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 861edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 862cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 863f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 866f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 867f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 868569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 870f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 871f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 873cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 874f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 875f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 876f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 877f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 878f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 879f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 880f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 881f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 882f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 883f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 884f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 885f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 886f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 887f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 888f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 889f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 890f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 892f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 893f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 894f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 895c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 896f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 897f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 898f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 899f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 900f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 901f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 902f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 903f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 904f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 905f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 906f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 907f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 908f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 909f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 911f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 912f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 913f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 914f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 915f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 916f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 917893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 918e253385b108cd946b1ac150302f246d3b218be77Devang Patel 919f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 920f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 921f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 922f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 923f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 924e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 925e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 926e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 927e253385b108cd946b1ac150302f246d3b218be77Devang Patel 928569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 929569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 930569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 931569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 932569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 933569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 934569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9353b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9363b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 937fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 938f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 939569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 940569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 941569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 942f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 943c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 94427aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9453b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 946fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 94727aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 948569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 949569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 950569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 951f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 95227aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 953c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 954c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9552f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9562f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9572f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9582f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9592f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 960419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9613b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9623b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 963fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9643b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9653b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 96669867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9672f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 968f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 969f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 970f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 971cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 972f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 973298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9742f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9752f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9762f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 97769867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 97869867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 97969867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 98069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 98169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 98269867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 98369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 98469867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 98569867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 98669867b511c732a7fac7301977bd6e880e46439f1Devang Patel 98769867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 98869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 98969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 99069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9915b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 99269867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 99369867b511c732a7fac7301977bd6e880e46439f1Devang Patel 994a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 995a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 996a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 997edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 998693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 999693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 1000693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 1001693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 1002693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 1003a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 1004a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1005edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 1006a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 100793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << "--" << std::string(Offset*2, ' '); 1008a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 1009a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1010a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1011a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1012a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1013f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 1014a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 1015a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 1016a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1017a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 1018a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 1019a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 102093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -" << PI->getPassArgument(); 1021a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1022a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1023a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1024417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1025417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 102693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar const StringRef &Msg) { 102726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1028a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 102993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << (void*)this << std::string(getDepth()*2+1, ' '); 10307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 103293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Executing Pass '" << P->getPassName(); 10337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 103593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Made Modification '" << P->getPassName(); 10367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 103893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " Freeing Pass '" << P->getPassName(); 10397f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10427f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 104593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on BasicBlock '" << Msg << "'...\n"; 10467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 104893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on Function '" << Msg << "'...\n"; 10497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 105193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on Module '" << Msg << "'...\n"; 10527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10537f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1054745c9be986bce1fb99fdbad6b9ae1307586c04a2Chris Lattner errs() << "' on Loop '" << Msg << "'...\n"; 10557f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10567f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10579554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 10587f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10597f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10607f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1062a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1063a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1064d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10650dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10660dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10670dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10680dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10690dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10720dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1073d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10740dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10750dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10760dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10770dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10780dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10790dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10800dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10810dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 108293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(const StringRef &Msg, const Pass *P, 1083d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10840dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10850dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10860dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 108793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1088d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 10899554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner if (i) errs() << ','; 10909554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << ' ' << Set[i]->getPassName(); 1091d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 10929554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << '\n'; 1093a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1094f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 109519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 109619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 109719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 109819fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 109919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 110019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 110119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 110219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 110319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 11041cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11051cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 11061cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 11071cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 11081cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 11091cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 11101cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11111cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 11121cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 11131cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1114c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 111593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Unable to schedule '" << RequiredPass->getPassName(); 111693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' required by '" << P->getPassName() << "'\n"; 1117c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1118c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 111919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 112019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1121ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1122ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 112378766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1124ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1125ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1126ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1127ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1128f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1129f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11301465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11311465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1132f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1133f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1134f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 11356b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 11366b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11376b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11386b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11396b1df0e863963929634d769f39cbce68f030f051Devang Patel 114006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 114255fd43f90913676682487f89f27c756adb827f66Devang Patel 114355fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 114455fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 114555fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1146d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11475cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11481fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11491fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11503b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1151c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 115255fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11531554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11541554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1155017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 115693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 11570dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1158017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11591554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1160693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1161d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1162d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1163d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1164d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1165d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(BP); 1166d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 1167d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(BP); 1168d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1169693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11707f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 117197cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 117293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 11730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1174693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 117558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11761554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11771554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 117893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 117955fd43f90913676682487f89f27c756adb827f66Devang Patel } 1180fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11811a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 118255fd43f90913676682487f89f27c756adb827f66Devang Patel} 118355fd43f90913676682487f89f27c756adb827f66Devang Patel 1184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1185e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1186964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1187964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1188d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1189d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1190964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1191964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1192964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1193964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1194e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1195964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1196964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1197d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1198d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1199964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1200964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1201964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1202964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1203e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1204964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1205964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12061554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12071554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1208964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1209964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1210964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1211964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1212964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1213964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1214e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1215964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1216964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12171554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12181554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1219964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1220964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1221964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1222964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1223964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1224964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1225964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 122606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12273162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 122806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1229c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 12303162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 12315f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1232dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1233dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1234b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 123559ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1236b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1237b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1238cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1239cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1240cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12413162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 124237a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 124337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 124437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1245c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1246c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1247c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1248c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1249c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12503162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1251c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1252c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1253c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1254214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1255214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1256214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1257214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12583162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1259214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1260214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1261ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin llvm_report_error("Error reading bitcode file: " + errstr); 1262214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1263c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1264214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1265214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1266214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12673799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12683799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12693162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1273209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12743799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12753162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12763799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12773799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12783799f97d539f6c288d169063e1b335917fafcffbDevang Patel 127906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12805f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1282e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1285d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1286d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1291e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1294d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1295d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12975f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12985f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13009dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 13019dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 13029dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13039dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 13049dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 13059dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 13069dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 13079dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 13089dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 13099dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 13111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 13121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 13131970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13141970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 13151970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 13161970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 13171970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13196c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 13201970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 13211970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 13235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 13245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 13255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13265f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 13275f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 13295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 13305f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13311336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1332d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1333d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 13349dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13359dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 13369dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 13379dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13381970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 13395f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13405f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13425f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 13435f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1344448d27cd795dc273249f123444509403f4fa4facDevang Patel 13451997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1346ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1347ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 134893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1349ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1350ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1351ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1352ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1353ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1354ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1355ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1356ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1357448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1358448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1359448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13605f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1361f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1362f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1363214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1364214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13651fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1366bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1367bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13681fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13691554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13701554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13711554c8545651350569f08dc7370189da1a7e5814Devang Patel 137293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 13730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1374693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13751554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1377d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1378d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1379d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 1380d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(FP); 1381d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 1382d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(FP); 1383d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1384693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13857f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 138693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 13870dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1388693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 138958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13901554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13911554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 139293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 13935b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1394844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13955b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1396214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1397214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1398214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1399214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 14005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 14015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 14025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1403f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1404f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 14055f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14065f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 14075f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14085f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1409e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 14103799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14113799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1412d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1413d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 14143799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14153799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14163799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1418e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 14193799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14203799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1421d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1422d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 14233799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14243799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14253799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14263799f97d539f6c288d169063e1b335917fafcffbDevang Patel 142706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 142992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 143092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 143192c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 143292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 143392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 14345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 143592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1436c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 14371970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 14381970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14391970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14401970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14411970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14421970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 14431970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14441970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14451554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14461554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 14471554c8545651350569f08dc7370189da1a7e5814Devang Patel 144897cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 144997cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14500dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1451693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14521554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 14538e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1454d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1455d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 1456d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passStarted(MP); 1457d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 1458d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner if (TheTimeInfo) TheTimeInfo->passEnded(MP); 1459d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1460693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14617f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 146297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 146397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1465e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 146658e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14671554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14681554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14696b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 147092c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 14711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 14731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14761970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14771970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 14781970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 14791970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 14801970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 14811970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 148292c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 148392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 148492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1485569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1486569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1487569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1488569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1489f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1490f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1491f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1492f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1493f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1494569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1495dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14960ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1497dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1498dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1499dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1500dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 15010ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 15020ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1503dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 15040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1505dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1506edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1507dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1508dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1509569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 15100ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 15120ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 15130ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1514f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1515dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1516f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 15170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15181970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1519dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1520f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 15210ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 15220ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15230ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 152406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 152506e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 152637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1527b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1528b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 15295f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1530b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 15318e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 15328e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1533c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 15345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 153545dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 15361336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1537d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1538d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1539b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1540b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 15415a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 154206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 154306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 154406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 15455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 15463162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 15475f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1548dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1549dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 15505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15523162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 155337a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 155437a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 155537a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 15575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 15585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 15595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1560f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 15615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 15625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15645a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 15655a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1566f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 15675a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 15685a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15695a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 15718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 15728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 15738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15878e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15888e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15898e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15908e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15918e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15928e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1593c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 15947db949df789383acce98ef072f08794fdd5bd04eDan Gohmanvoid llvm::StartPassTimer(Pass *P) { 1595c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1596c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passStarted(P); 1597c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1598c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1599c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 16007db949df789383acce98ef072f08794fdd5bd04eDan Gohmanvoid llvm::StopPassTimer(Pass *P) { 1601c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 1602c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel TheTimeInfo->passEnded(P); 1603c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1604c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 160509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 160609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 160709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 160836bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 160909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 161009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 161109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 161209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 161309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 161409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 161509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 161609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 161709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 161809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1619c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1620f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 162109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1622f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1623f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 162497149737f27457b0411e49af3e4539688e29848fDevang Patel 1625f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 162697149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 162797149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 162897149737f27457b0411e49af3e4539688e29848fDevang Patel } 162997149737f27457b0411e49af3e4539688e29848fDevang Patel 163097149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 163197149737f27457b0411e49af3e4539688e29848fDevang Patel} 163209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 163397149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 163497149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1635f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1636f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1637f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1638f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 163997149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1640fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 164109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 164209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 164309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 164409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1645be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1646bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 164709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 164809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 164944b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 165044b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 165144b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 165244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 165309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 16546b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 16556b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 165609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1657bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 165844b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 165909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 166009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16619d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 16629d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1663be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1664bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 166509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16660938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 166709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 16686b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 16696b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 167009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 16719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 167209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 16739d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 167409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16769d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16779d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 167997149737f27457b0411e49af3e4539688e29848fDevang Patel 16809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16819d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1682bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 168397149737f27457b0411e49af3e4539688e29848fDevang Patel 16849d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 168797149737f27457b0411e49af3e4539688e29848fDevang Patel 16889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16899d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16900938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16929d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16939d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 169509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16979d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 169809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 169909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17009d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 17019d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1702be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1703bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 170409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 170509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 170697149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 170797149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1708fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 170909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 171009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 17129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 17139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 17159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 17169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 17179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 17199d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 17209d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17219d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17229d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 17239d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 172597149737f27457b0411e49af3e4539688e29848fDevang Patel 172697149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 172797149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 172859ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1729531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 17309d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17319d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 17329d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 173309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17349d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 17359d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 173609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 173709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1738580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1739d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1740d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1741d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1742d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1743d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1744d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1745d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1746d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1747d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1748d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1749d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1750d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1751d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1752d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1753d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1754d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1755d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1756d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1757d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1758d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1759d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1760d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1761d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1762d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1763d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1764d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1765d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1766d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1767d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1768d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1769