PassManager.cpp revision 5c12adaa8b92800d835ddd5c97723c6eb5628b5b
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 4005c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman /// passStarted - This method creates a timer for the given pass if it doesn't 4015c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman /// already have one, and starts the timer. 4025c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *passStarted(Pass *P) { 403c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (dynamic_cast<PMDataManager *>(P)) 4045c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 405c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 406a9d1f2c559ef4b2549e29288fe6944e68913ba0fOwen Anderson sys::SmartScopedLock<true> Lock(*TimingInfoMutex); 407c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel std::map<Pass*, Timer>::iterator I = TimingData.find(P); 408c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (I == TimingData.end()) 409c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel I=TimingData.insert(std::make_pair(P, Timer(P->getPassName(), TG))).first; 4105c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = &I->second; 4115c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman T->startTimer(); 4125c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return T; 413c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel } 414c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel}; 415c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 416c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} // End of anon namespace 417c67c938de2097f26dba71d9436e4707dd8a5012dDevang Patel 418844731a7f1909f55935e3514c9e713a62d67662eDan Gohmanstatic TimingInfo *TheTimeInfo; 419844731a7f1909f55935e3514c9e713a62d67662eDan Gohman 42006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 4211b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel// PMTopLevelManager implementation 4221b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4238f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel/// Initialize top level manager. Create first pass manager. 424d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris LattnerPMTopLevelManager::PMTopLevelManager(enum TopLevelManagerType t) { 4258f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel if (t == TLM_Pass) { 4268f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPPassManager *MPP = new MPPassManager(1); 4278f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel MPP->setTopLevelManager(this); 4288f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(MPP); 4298f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(MPP); 430d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } else if (t == TLM_Function) { 4318f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPPassManager *FPP = new FPPassManager(1); 4328f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel FPP->setTopLevelManager(this); 4338f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel addPassManager(FPP); 4348f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel activeStack.push(FPP); 4358f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel } 4368f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel} 4378f3f3d103a8b92bd0514ab5998865205e17ef550Devang Patel 4381b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Set pass P as the last user of the given analysis passes. 439edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::setLastUser(SmallVector<Pass *, 12> &AnalysisPasses, 4401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P) { 441edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = AnalysisPasses.begin(), 4421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = AnalysisPasses.end(); I != E; ++I) { 4431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *AP = *I; 4441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[AP] = P; 445d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 446d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (P == AP) 447d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel continue; 448d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel 4491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If AP is the last user of other passes then make P last user of 4501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // such passes. 451721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (DenseMap<Pass *, Pass *>::iterator LUI = LastUser.begin(), 4521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LUE = LastUser.end(); LUI != LUE; ++LUI) { 4531b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (LUI->second == AP) 454721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // DenseMap iterator is not invalidated here because 455721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel // this is just updating exisitng entry. 4561b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel LastUser[LUI->first] = P; 4571b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4581b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 4591b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4601b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4611b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Collect passes whose last user is P 462edbef3806777af3dfaba340801e609492e47f732Devang Patelvoid PMTopLevelManager::collectLastUses(SmallVector<Pass *, 12> &LastUses, 463721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel Pass *P) { 464721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator DMI = 465721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(P); 466721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (DMI == InversedLastUser.end()) 467721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel return; 468721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 469721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &LU = DMI->second; 470721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel for (SmallPtrSet<Pass *, 8>::iterator I = LU.begin(), 471721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel E = LU.end(); I != E; ++I) { 472721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel LastUses.push_back(*I); 473721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 474721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 4751b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 4761b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4773b8a90686adb3d0adaa4389e7b7900570a235e03Devang PatelAnalysisUsage *PMTopLevelManager::findAnalysisUsage(Pass *P) { 4783b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = NULL; 4793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.find(P); 4803b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (DMI != AnUsageMap.end()) 4813b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = DMI->second; 4823b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel else { 4833b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsage = new AnalysisUsage(); 4843b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel P->getAnalysisUsage(*AnUsage); 4853b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnUsageMap[P] = AnUsage; 4863b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel } 4873b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel return AnUsage; 4883b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel} 4893b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 4901b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Schedule pass P for execution. Make sure that passes required by 4911b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// P are run before P is run. Update analysis info maintained by 4921b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// the manager. Remove dead passes. This is a recursive function. 4931b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patelvoid PMTopLevelManager::schedulePass(Pass *P) { 4941b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 4959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // TODO : Allocate function manager for this pass, other wise required set 4969d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // may be inserted into previous function manager 4971b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 49822a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel // Give pass a chance to prepare the stage. 49922a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel P->preparePassManager(activeStack); 50022a1cf9d3a5c829d260bcf44ffe6b34ecf16076cDevang Patel 5011cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // If P is an analysis pass and it is available then do not 5021cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // generate the analysis again. Stale analysis info should not be 5031cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel // available at this point. 504c758209153ca0f6da6737f25ada269c573fba456Devang Patel if (P->getPassInfo() && 505641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes P->getPassInfo()->isAnalysis() && findAnalysisPass(P->getPassInfo())) { 506641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes delete P; 507c7fe32e840758baa9ce4f93c321b508a69b98262Devang Patel return; 508641397f2ef0a155159e1085bf594c1535485e3a3Nuno Lopes } 5091cee94f04111cfd7114979d6dfddce2669c9380dDevang Patel 5103b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = findAnalysisUsage(P); 5113b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 512488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel bool checkAnalysis = true; 513488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel while (checkAnalysis) { 514488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = false; 515488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 516488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 517488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel for (AnalysisUsage::VectorType::const_iterator I = RequiredSet.begin(), 518488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel E = RequiredSet.end(); I != E; ++I) { 519488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel 520488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel Pass *AnalysisPass = findAnalysisPass(*I); 521488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (!AnalysisPass) { 522488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass = (*I)->createPass(); 523488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel if (P->getPotentialPassManagerType () == 524488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) 525488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by the same pass manager. 526488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 527488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else if (P->getPotentialPassManagerType () > 528488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel AnalysisPass->getPotentialPassManagerType()) { 529488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Schedule analysis pass that is managed by a new manager. 530488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel schedulePass(AnalysisPass); 531488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Recheck analysis passes to ensure that required analysises that 532488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // are already checked are still available. 533488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel checkAnalysis = true; 534488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 535488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel else 536488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // Do not schedule this analysis. Lower level analsyis 537488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel // passes are run on the fly. 538488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel delete AnalysisPass; 539488dc6732d1504d72936e07951fe7ec39d376c2cDevang Patel } 5401b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5411b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5421b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5431b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // Now all required passes are available. 5441b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel addTopLevelPass(P); 5451b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5461b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5471b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// Find the pass that implements Analysis AID. Search immutable 5481b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// passes and all pass managers. If desired pass is not found 5491b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel/// then return NULL. 5501b8d015066dca364a1b11b6dbe5b80248b111cd5Devang PatelPass *PMTopLevelManager::findAnalysisPass(AnalysisID AID) { 5511b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5521b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel Pass *P = NULL; 553d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check pass managers 55478766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 555d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = PassManagers.end(); P == NULL && I != E; ++I) { 5560961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman PMDataManager *PMD = *I; 557d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = PMD->findAnalysisPass(AID, false); 558d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel } 559d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 560d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel // Check other pass managers 561f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<PMDataManager *, 8>::iterator 562f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = IndirectPassManagers.begin(), 563d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel E = IndirectPassManagers.end(); P == NULL && I != E; ++I) 564d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel P = (*I)->findAnalysisPass(AID, false); 565d0fa16c33615bb6f21685c4e4e3d948ac6780160Devang Patel 56678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator I = ImmutablePasses.begin(), 5671b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel E = ImmutablePasses.end(); P == NULL && I != E; ++I) { 5681b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel const PassInfo *PI = (*I)->getPassInfo(); 5691b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (PI == AID) 5701b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel P = *I; 5711b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5721b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel // If Pass not found then check the interfaces implemented by Immutable Pass 5731b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel if (!P) { 57497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman const std::vector<const PassInfo*> &ImmPI = 57597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman PI->getInterfacesImplemented(); 5761a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel if (std::find(ImmPI.begin(), ImmPI.end(), AID) != ImmPI.end()) 5771a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel P = *I; 5781b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5791b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel } 5801b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 5811b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel return P; 5821b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel} 5831b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel 584ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel// Print passes managed by this top level manager. 585a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpPasses() const { 586ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 58726426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Structure) 5885f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return; 5895f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 590ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel // Print out the immutable passes 591ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel for (unsigned i = 0, e = ImmutablePasses.size(); i != e; ++i) { 592ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel ImmutablePasses[i]->dumpPassStructure(0); 593ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel } 594ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 5950961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // Every class that derives from PMDataManager also derives from Pass 5960961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // (sometimes indirectly), but there's no inheritance relationship 5970961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // between PMDataManager and Pass, so we have to dynamic_cast to get 5980961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman // from a PMDataManager* to a Pass*. 59978766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 600ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel E = PassManagers.end(); I != E; ++I) 6010961ec1afe336a0a4f523455c25f5d5edc8d3ee1Dan Gohman dynamic_cast<Pass *>(*I)->dumpPassStructure(1); 602ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel} 603ebc0922eeb5b728d33a68d4bea8128413f62e369Devang Patel 604a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMTopLevelManager::dumpArguments() const { 605c32cf54101ecaf336d161fecd58667870149169cDevang Patel 60626426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Arguments) 607c32cf54101ecaf336d161fecd58667870149169cDevang Patel return; 608c32cf54101ecaf336d161fecd58667870149169cDevang Patel 60993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass Arguments: "; 61078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::const_iterator I = PassManagers.begin(), 611d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 612d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->dumpPassArguments(); 61393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "\n"; 614c32cf54101ecaf336d161fecd58667870149169cDevang Patel} 615c32cf54101ecaf336d161fecd58667870149169cDevang Patel 6161336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patelvoid PMTopLevelManager::initializeAllAnalysisInfo() { 61778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 618d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner E = PassManagers.end(); I != E; ++I) 619d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner (*I)->initializeAnalysisInfo(); 6201336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 6211336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel // Initailize other pass managers 62278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = IndirectPassManagers.begin(), 6231336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel E = IndirectPassManagers.end(); I != E; ++I) 6241336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel (*I)->initializeAnalysisInfo(); 625721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel 626f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (DenseMap<Pass *, Pass *>::iterator DMI = LastUser.begin(), 627721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DME = LastUser.end(); DMI != DME; ++DMI) { 628721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel DenseMap<Pass *, SmallPtrSet<Pass *, 8> >::iterator InvDMI = 629721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser.find(DMI->second); 630721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel if (InvDMI != InversedLastUser.end()) { 631721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> &L = InvDMI->second; 632721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel L.insert(DMI->first); 633721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } else { 634721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel SmallPtrSet<Pass *, 8> L; L.insert(DMI->first); 635721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel InversedLastUser[DMI->second] = L; 636721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 637721e59cfb29024ffad7204f05ad75b678ae7df63Devang Patel } 6381336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel} 6391336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel 640ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Destructor 641ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMTopLevelManager::~PMTopLevelManager() { 64278766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<PMDataManager *, 8>::iterator I = PassManagers.begin(), 643ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassManagers.end(); I != E; ++I) 644ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 645ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 64678766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<ImmutablePass *, 8>::iterator 647ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel I = ImmutablePasses.begin(), E = ImmutablePasses.end(); I != E; ++I) 648ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 6493b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 6503b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel for (DenseMap<Pass *, AnalysisUsage *>::iterator DMI = AnUsageMap.begin(), 651f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner DME = AnUsageMap.end(); DMI != DME; ++DMI) 652f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner delete DMI->second; 653ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 654ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 6551b8d015066dca364a1b11b6dbe5b80248b111cd5Devang Patel//===----------------------------------------------------------------------===// 656419f0e95d698109541ad730cb45ba4caca78f458Devang Patel// PMDataManager implementation 657889739c4d188d28c167644bced9df0f3131317d7Devang Patel 658b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel/// Augement AvailableAnalysis by adding analysis made available by pass P. 659f32b4dd13e421b3ad4696f984cb2043ce64e19cbDevang Patelvoid PMDataManager::recordAvailableAnalysis(Pass *P) { 660f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const PassInfo *PI = P->getPassInfo(); 661f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PI == 0) return; 662f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 663f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[PI] = P; 664b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 665f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //This pass is the current implementation of all of the interfaces it 666f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner //implements as well. 667f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 668f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (unsigned i = 0, e = II.size(); i != e; ++i) 669f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner AvailableAnalysis[II[i]] = P; 670b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel} 671b8526162551a3fbcf787e01d82ef44b69f879e01Devang Patel 6727b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// Return true if P preserves high level analysis used by other 6737b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel// passes managed by this manager 6747b65dd91c156590c03847152a202bf7aa9b0c556Devang Patelbool PMDataManager::preserveHigherLevelAnalysis(Pass *P) { 6753b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 6763b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 6777b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6787b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6793b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 68078766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = HigherLevelAnalysis.begin(), 6817b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel E = HigherLevelAnalysis.end(); I != E; ++I) { 6827b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel Pass *P1 = *I; 68397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(P1) && 68497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), 68597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman P1->getPassInfo()) == 686d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 687d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel return false; 6887b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel } 6897b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 6907b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel return true; 6917b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel} 6927b65dd91c156590c03847152a202bf7aa9b0c556Devang Patel 693e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner/// verifyPreservedAnalysis -- Verify analysis preserved by pass P. 69458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::verifyPreservedAnalysis(Pass *P) { 695e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner // Don't do this unless assertions are enabled. 696e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#ifdef NDEBUG 697e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner return; 698e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner#endif 6993b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7003b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 70114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel 7029750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel // Verify preserved analysis 703fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = PreservedSet.begin(), 70458e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel E = PreservedSet.end(); I != E; ++I) { 70558e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AnalysisID AID = *I; 706e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner if (Pass *AP = findAnalysisPass(AID, true)) 70758e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel AP->verifyAnalysis(); 7089750b5d5779e6efec10a93633dd1d36c5f61dbc3Devang Patel } 70958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel} 71058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel 7115b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel/// verifyDomInfo - Verify dominator information if it is available. 7125b57e720c875277131ed0d4f3b72a582979d1afeDevang Patelvoid PMDataManager::verifyDomInfo(Pass &P, Function &F) { 7135b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!VerifyDomInfo || !P.getResolver()) 7145b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7155b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7161465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominatorTree *DT = P.getAnalysisIfAvailable<DominatorTree>(); 7175b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DT) 7185b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7195b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7205b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominatorTree OtherDT; 7215b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.getBase().recalculate(F); 7225b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DT->compare(OtherDT)) { 72393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Dominator Information for " << F.getName() << "\n"; 72493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass '" << P.getPassName() << "'\n"; 72593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Valid -----\n"; 7265b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDT.dump(); 72793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Invalid -----\n"; 7285b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DT->dump(); 729c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Invalid dominator info"); 7305b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7315b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7321465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands DominanceFrontier *DF = P.getAnalysisIfAvailable<DominanceFrontier>(); 7335b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (!DF) 7345b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel return; 7355b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 7365b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DominanceFrontier OtherDF; 7375b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel std::vector<BasicBlock*> DTRoots = DT->getRoots(); 7385b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.calculate(*DT, DT->getNode(DTRoots[0])); 7395b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel if (DF->compare(OtherDF)) { 74093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Dominator Information for " << F.getName() << "\n"; 74193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Pass '" << P.getPassName() << "'\n"; 74293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Valid -----\n"; 7435b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel OtherDF.dump(); 74493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "----- Invalid -----\n"; 7455b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel DF->dump(); 746c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Invalid dominator info"); 7475b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel } 7485b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel} 7495b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 750844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel/// Remove Analysis not preserved by Pass P 75158e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patelvoid PMDataManager::removeNotPreservedAnalysis(Pass *P) { 7523b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 7533b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel if (AnUsage->getPreservesAll()) 75404b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel return; 75504b4e0595ffffab232a73a78d742e08efb6ebcfbDevang Patel 7563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &PreservedSet = AnUsage->getPreservedSet(); 757b899eed1bc0a64f96fa7aff8d7c6f999cf85bdfeDevang Patel for (std::map<AnalysisID, Pass*>::iterator I = AvailableAnalysis.begin(), 75854e247d2d0c07544b3e638e80b816f352ec152c1Devang Patel E = AvailableAnalysis.end(); I != E; ) { 7591a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel std::map<AnalysisID, Pass*>::iterator Info = I++; 760d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel if (!dynamic_cast<ImmutablePass*>(Info->second) 761d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel && std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 762e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel PreservedSet.end()) { 76314d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel // Remove this analysis 764e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel if (PassDebugging >= Details) { 765e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel Pass *S = Info->second; 76693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -- '" << P->getPassName() << "' is not preserving '"; 76793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << S->getPassName() << "'\n"; 768e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 769e187726208f839691afca88bce8b2d6fe4d5bcbbDan Gohman AvailableAnalysis.erase(Info); 770e62f7507841e487d0b8135424ccb5fd59dcbeeddDevang Patel } 77114d6581a7374bdb4a66ef6c30250efdc324f6ddeDevang Patel } 772fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 773fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Check inherited analysis also. If P is not preserving analysis 774fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // provided by parent manager then remove it here. 775fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (unsigned Index = 0; Index < PMT_Last; ++Index) { 776fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 777fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel if (!InheritedAnalysis[Index]) 778fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel continue; 779fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel 780fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel for (std::map<AnalysisID, Pass*>::iterator 781fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel I = InheritedAnalysis[Index]->begin(), 782fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel E = InheritedAnalysis[Index]->end(); I != E; ) { 783fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel std::map<AnalysisID, Pass *>::iterator Info = I++; 78497cf759b822818414f9604c74d3bcfe75a91520bDan Gohman if (!dynamic_cast<ImmutablePass*>(Info->second) && 78597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman std::find(PreservedSet.begin(), PreservedSet.end(), Info->first) == 786d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel PreservedSet.end()) 787fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel // Remove this analysis 788d46825c6a1fa903ad8d9ec2d1890535e3afdd8d4Devang Patel InheritedAnalysis[Index]->erase(Info); 789fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 790fe613905b371ef7160968cdaabf6074cfa10f4a0Devang Patel } 791889739c4d188d28c167644bced9df0f3131317d7Devang Patel} 792889739c4d188d28c167644bced9df0f3131317d7Devang Patel 793df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel/// Remove analysis passes that are not used any longer 79493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbarvoid PMDataManager::removeDeadPasses(Pass *P, const StringRef &Msg, 7957f99761143cdf1ad23729708e3dcaa055b189406Devang Patel enum PassDebuggingString DBG_STR) { 796f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 797edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> DeadPasses; 7980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 799693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 8000ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!TPM) 8010ed8df38c26a910bd7adbe105172b434898646f3Devang Patel return; 8020ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 803f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel TPM->collectLastUses(DeadPasses, P); 804f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel 8058fb6a94b6986ce0de0827da865ef8027e78c7eb7Devang Patel if (PassDebugging >= Details && !DeadPasses.empty()) { 80693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -*- '" << P->getPassName(); 80793b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' is the last user of following pass instances."; 80893b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " Free these instances\n"; 8097c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng } 8107c9b65207e5bae26bcb4bcd62b50d7f72cb010bbEvan Cheng 811edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = DeadPasses.begin(), 81227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman E = DeadPasses.end(); I != E; ++I) 81327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman freePass(*I, Msg, DBG_STR); 81427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman} 8154eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 81627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohmanvoid PMDataManager::freePass(Pass *P, const StringRef &Msg, 81727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman enum PassDebuggingString DBG_STR) { 81827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman dumpPassInfo(P, FREEING_MSG, DBG_STR, Msg); 8194eeea774ce1b24fa55c06aac31e02016d5dd77d6Devang Patel 82027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman { 82127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // If the pass crashes releasing memory, remember this. 82227a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman PassManagerPrettyStackEntry X(P); 82327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman 8245c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(P); 82527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman P->releaseMemory(); 8265c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(P, T); 82727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman } 828617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 82927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (const PassInfo *PI = P->getPassInfo()) { 83027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove the pass itself (if it is not already removed). 83127a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(PI); 832617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel 83327a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // Remove all interfaces this pass implements, for which it is also 83427a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman // listed as the available implementation. 83527a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman const std::vector<const PassInfo*> &II = PI->getInterfacesImplemented(); 83627a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman for (unsigned i = 0, e = II.size(); i != e; ++i) { 83727a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman std::map<AnalysisID, Pass*>::iterator Pos = 83827a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.find(II[i]); 83927a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman if (Pos != AvailableAnalysis.end() && Pos->second == P) 84027a8fb8a546ec5d39b057bfe2ee5c36a8e454f09Dan Gohman AvailableAnalysis.erase(Pos); 841617fddf51c2aa6822281f0b52e700ffb1f15ed8dDevang Patel } 842f9a60ae75d6fdc74160085323c14e92e7d3517d3Devang Patel } 843df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel} 844df1a10ece6a75f230d98c6fb001349eede90387aDevang Patel 8454045af1175509c81d6a4708df233f0b1abe888fcDevang Patel/// Add pass P into the PassVector. Update 846893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel/// AvailableAnalysis appropriately if ProcessAnalysis is true. 847f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PMDataManager::add(Pass *P, bool ProcessAnalysis) { 848145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // This manager is going to manage pass P. Set up analysis resolver 849145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel // to connect them. 850cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = new AnalysisResolver(*this); 851145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel P->setResolver(AR); 852145e83dc12a3f962b999f348474ebb07a36a7b81Devang Patel 853cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // If a FunctionPass F is the last user of ModulePass info M 854cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel // then the F's manager, not F, records itself as a last user of M. 855edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> TransferLastUses; 856cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 857f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!ProcessAnalysis) { 858f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Add pass 859f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PassVector.push_back(P); 860f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return; 861f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 862569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 863f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // At the moment, this pass is the last user of all required passes. 864f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 12> LastUses; 865f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<Pass *, 8> RequiredPasses; 866f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner SmallVector<AnalysisID, 8> ReqAnalysisNotAvailable; 867cf5fb2b614a7fea4565e405c81a3ae8037d78f7bDevang Patel 868f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned PDepth = this->getDepth(); 869f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 870f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner collectRequiredAnalysis(RequiredPasses, 871f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner ReqAnalysisNotAvailable, P); 872f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::iterator I = RequiredPasses.begin(), 873f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = RequiredPasses.end(); I != E; ++I) { 874f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *PRequired = *I; 875f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner unsigned RDepth = 0; 876f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 877f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PRequired->getResolver() && "Analysis Resolver is not set"); 878f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMDataManager &DM = PRequired->getResolver()->getPMDataManager(); 879f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RDepth = DM.getDepth(); 880f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 881f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (PDepth == RDepth) 882f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(PRequired); 883f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner else if (PDepth > RDepth) { 884f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Let the parent claim responsibility of last use 885f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.push_back(PRequired); 886f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Keep track of higher level analysis used by this manager. 887f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner HigherLevelAnalysis.push_back(PRequired); 888f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } else 889c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to accomodate Required Pass"); 890f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 891f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 892f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Set P as P's last user until someone starts using P. 893f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // However, if P is a Pass Manager then it does not need 894f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // to record its last user. 895f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!dynamic_cast<PMDataManager *>(P)) 896f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner LastUses.push_back(P); 897f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(LastUses, P); 898f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 899f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!TransferLastUses.empty()) { 900f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *My_PM = dynamic_cast<Pass *>(this); 901f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TPM->setLastUser(TransferLastUses, My_PM); 902f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner TransferLastUses.clear(); 903f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner } 9040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 905f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Now, take care of required analysises that are not available. 906f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<AnalysisID, 8>::iterator 907f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = ReqAnalysisNotAvailable.begin(), 908f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = ReqAnalysisNotAvailable.end() ;I != E; ++I) { 909f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner Pass *AnalysisPass = (*I)->createPass(); 910f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner this->addLowerLevelRequiredPass(P, AnalysisPass); 911893a5a681585cdf3b5bfff7128ea522e8a47750aDevang Patel } 912e253385b108cd946b1ac150302f246d3b218be77Devang Patel 913f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Take a note of analysis required and made available by this pass. 914f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner // Remove the analysis not preserved by this pass 915f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner removeNotPreservedAnalysis(P); 916f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner recordAvailableAnalysis(P); 917f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 918e253385b108cd946b1ac150302f246d3b218be77Devang Patel // Add pass 919e253385b108cd946b1ac150302f246d3b218be77Devang Patel PassVector.push_back(P); 920e253385b108cd946b1ac150302f246d3b218be77Devang Patel} 921e253385b108cd946b1ac150302f246d3b218be77Devang Patel 922569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 923569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Populate RP with analysis pass that are required by 924569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass P and are available. Populate RP_NotAvail with analysis 925569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// pass that are required by pass P but are not available. 926569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid PMDataManager::collectRequiredAnalysis(SmallVector<Pass *, 8>&RP, 927569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel SmallVector<AnalysisID, 8> &RP_NotAvail, 928569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel Pass *P) { 9293b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9303b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &RequiredSet = AnUsage->getRequiredSet(); 931fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 932f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner I = RequiredSet.begin(), E = RequiredSet.end(); I != E; ++I) { 933569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 934569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 935569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 936f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 937c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel } 93827aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel 9393b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel const AnalysisUsage::VectorType &IDs = AnUsage->getRequiredTransitiveSet(); 940fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator I = IDs.begin(), 94127aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel E = IDs.end(); I != E; ++I) { 942569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel if (Pass *AnalysisPass = findAnalysisPass(*I, true)) 943569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel RP.push_back(AnalysisPass); 944569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel else 945f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RP_NotAvail.push_back(*I); 94627aaab2bd3c220d8466b34f6b959f74e1caac69bDevang Patel } 947c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel} 948c17bbb6da7e17c06c1f0ae7baa2f151db0e966d9Devang Patel 9492f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// All Required analyses should be available to the pass as it runs! Here 9502f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// we fill in the AnalysisImpls member of the pass so that it can 9512f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// successfully use the getAnalysis() method to retrieve the 9522f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// implementations it needs. 9532f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel// 954419f0e95d698109541ad730cb45ba4caca78f458Devang Patelvoid PMDataManager::initializeAnalysisImpl(Pass *P) { 9553b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel AnalysisUsage *AnUsage = TPM->findAnalysisUsage(P); 9563b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel 957fc65d38085e92fa3901104c762a725788f5c9de5Chris Lattner for (AnalysisUsage::VectorType::const_iterator 9583b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel I = AnUsage->getRequiredSet().begin(), 9593b8a90686adb3d0adaa4389e7b7900570a235e03Devang Patel E = AnUsage->getRequiredSet().end(); I != E; ++I) { 96069867b511c732a7fac7301977bd6e880e46439f1Devang Patel Pass *Impl = findAnalysisPass(*I, true); 9612f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel if (Impl == 0) 962f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // This may be analysis pass that is initialized on the fly. 963f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel // If that is not the case then it will raise an assert when it is used. 964f4bd76a035f7d85a576c75c7680ed6baddc74674Devang Patel continue; 965cde53d3c1e9d6a2add5de847b44818fbb1d69c20Devang Patel AnalysisResolver *AR = P->getResolver(); 966f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(AR && "Analysis Resolver is not set"); 967298feadd7a547d50eb943c9ea15f6345a024bc9aDevang Patel AR->addAnalysisImplsPair(*I, Impl); 9682f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel } 9692f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel} 9702f42ed6b0b5161296cdd7e573b49fe631599fc97Devang Patel 97169867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// Find the pass that implements Analysis AID. If desired pass is not found 97269867b511c732a7fac7301977bd6e880e46439f1Devang Patel/// then return NULL. 97369867b511c732a7fac7301977bd6e880e46439f1Devang PatelPass *PMDataManager::findAnalysisPass(AnalysisID AID, bool SearchParent) { 97469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 97569867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Check if AvailableAnalysis map has one entry. 97669867b511c732a7fac7301977bd6e880e46439f1Devang Patel std::map<AnalysisID, Pass*>::const_iterator I = AvailableAnalysis.find(AID); 97769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 97869867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (I != AvailableAnalysis.end()) 97969867b511c732a7fac7301977bd6e880e46439f1Devang Patel return I->second; 98069867b511c732a7fac7301977bd6e880e46439f1Devang Patel 98169867b511c732a7fac7301977bd6e880e46439f1Devang Patel // Search Parents through TopLevelManager 98269867b511c732a7fac7301977bd6e880e46439f1Devang Patel if (SearchParent) 98369867b511c732a7fac7301977bd6e880e46439f1Devang Patel return TPM->findAnalysisPass(AID); 98469867b511c732a7fac7301977bd6e880e46439f1Devang Patel 9855b640e7edc606059717fb9c2ebcd85302c97fc21Devang Patel return NULL; 98669867b511c732a7fac7301977bd6e880e46439f1Devang Patel} 98769867b511c732a7fac7301977bd6e880e46439f1Devang Patel 988a52035a062edf9bfbf95c92c615219b647042c17Devang Patel// Print list of passes that are last used by P. 989a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpLastUses(Pass *P, unsigned Offset) const{ 990a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 991edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LUses; 992693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 993693941bb6ed0389f998fe516eba6af738e951f79Devang Patel // If this is a on the fly manager then it does not have TPM. 994693941bb6ed0389f998fe516eba6af738e951f79Devang Patel if (!TPM) 995693941bb6ed0389f998fe516eba6af738e951f79Devang Patel return; 996693941bb6ed0389f998fe516eba6af738e951f79Devang Patel 997a52035a062edf9bfbf95c92c615219b647042c17Devang Patel TPM->collectLastUses(LUses, P); 998a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 999edbef3806777af3dfaba340801e609492e47f732Devang Patel for (SmallVector<Pass *, 12>::iterator I = LUses.begin(), 1000a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = LUses.end(); I != E; ++I) { 100193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << "--" << std::string(Offset*2, ' '); 1002a52035a062edf9bfbf95c92c615219b647042c17Devang Patel (*I)->dumpPassStructure(0); 1003a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1004a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1005a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1006a52035a062edf9bfbf95c92c615219b647042c17Devang Patelvoid PMDataManager::dumpPassArguments() const { 1007f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (SmallVector<Pass *, 8>::const_iterator I = PassVector.begin(), 1008a52035a062edf9bfbf95c92c615219b647042c17Devang Patel E = PassVector.end(); I != E; ++I) { 1009a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (PMDataManager *PMD = dynamic_cast<PMDataManager *>(*I)) 1010a52035a062edf9bfbf95c92c615219b647042c17Devang Patel PMD->dumpPassArguments(); 1011a52035a062edf9bfbf95c92c615219b647042c17Devang Patel else 1012a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (const PassInfo *PI = (*I)->getPassInfo()) 1013a52035a062edf9bfbf95c92c615219b647042c17Devang Patel if (!PI->isAnalysisGroup()) 101493b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " -" << PI->getPassArgument(); 1015a52035a062edf9bfbf95c92c615219b647042c17Devang Patel } 1016a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1017a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1018417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattnervoid PMDataManager::dumpPassInfo(Pass *P, enum PassDebuggingString S1, 1019417efc897b5cf984209aae66d5faa849fe2c5104Chris Lattner enum PassDebuggingString S2, 102093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar const StringRef &Msg) { 102126426949f33e5a77fbd2fa330f7df5626e8b177dDevang Patel if (PassDebugging < Executions) 1022a52035a062edf9bfbf95c92c615219b647042c17Devang Patel return; 102393b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << (void*)this << std::string(getDepth()*2+1, ' '); 10247f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S1) { 10257f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case EXECUTION_MSG: 102693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Executing Pass '" << P->getPassName(); 10277f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10287f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case MODIFICATION_MSG: 102993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Made Modification '" << P->getPassName(); 10307f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10317f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case FREEING_MSG: 103293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << " Freeing Pass '" << P->getPassName(); 10337f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10347f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10357f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10367f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 10377f99761143cdf1ad23729708e3dcaa055b189406Devang Patel switch (S2) { 10387f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_BASICBLOCK_MSG: 103993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on BasicBlock '" << Msg << "'...\n"; 10407f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10417f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_FUNCTION_MSG: 104293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on Function '" << Msg << "'...\n"; 10437f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10447f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_MODULE_MSG: 104593b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' on Module '" << Msg << "'...\n"; 10467f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10477f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_LOOP_MSG: 1048745c9be986bce1fb99fdbad6b9ae1307586c04a2Chris Lattner errs() << "' on Loop '" << Msg << "'...\n"; 10497f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10507f99761143cdf1ad23729708e3dcaa055b189406Devang Patel case ON_CG_MSG: 10519554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << "' on Call Graph Nodes '" << Msg << "'...\n"; 10527f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10537f99761143cdf1ad23729708e3dcaa055b189406Devang Patel default: 10547f99761143cdf1ad23729708e3dcaa055b189406Devang Patel break; 10557f99761143cdf1ad23729708e3dcaa055b189406Devang Patel } 1056a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1057a52035a062edf9bfbf95c92c615219b647042c17Devang Patel 1058d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpRequiredSet(const Pass *P) const { 10590dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10600dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10610dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10620dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10630dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10640dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Required", P, analysisUsage.getRequiredSet()); 10650dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10660dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 1067d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnervoid PMDataManager::dumpPreservedSet(const Pass *P) const { 10680dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (PassDebugging < Details) 10690dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 10700dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 10710dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner AnalysisUsage analysisUsage; 10720dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner P->getAnalysisUsage(analysisUsage); 10730dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpAnalysisUsage("Preserved", P, analysisUsage.getPreservedSet()); 10740dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner} 10750dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner 107693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbarvoid PMDataManager::dumpAnalysisUsage(const StringRef &Msg, const Pass *P, 1077d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner const AnalysisUsage::VectorType &Set) const { 10780dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner assert(PassDebugging >= Details); 10790dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner if (Set.empty()) 10800dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner return; 108193b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << (void*)P << std::string(getDepth()*2+3, ' ') << Msg << " Analyses:"; 1082d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned i = 0; i != Set.size(); ++i) { 10839554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner if (i) errs() << ','; 10849554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << ' ' << Set[i]->getPassName(); 1085d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 10869554c613282c28fbe94bc8b0a5ba736f046643b8Chris Lattner errs() << '\n'; 1087a52035a062edf9bfbf95c92c615219b647042c17Devang Patel} 1088f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 108919fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// Add RequiredPass into list of lower level passes required by pass P. 109019fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 109119fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// through getAnalysis interface. 109219fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel/// This should be handled by specific pass manager. 109319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patelvoid PMDataManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 109419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel if (TPM) { 109519fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpArguments(); 109619fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel TPM->dumpPasses(); 109719fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel } 10981cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 10991cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // Module Level pass may required Function Level analysis info 11001cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // (e.g. dominator info). Pass manager uses on the fly function pass manager 11011cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // to provide this on demand. In that case, in Pass manager terminology, 11021cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // module level pass is requiring lower level analysis info managed by 11031cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // lower level pass manager. 11041cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel 11051cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // When Pass manager is not able to order required analysis info, Pass manager 11061cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // checks whether any lower level manager will be able to provide this 11071cf47cb21728c84342b15d9695b8a2433b3315a2Devang Patel // analysis info on demand or not. 1108c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#ifndef NDEBUG 110993b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "Unable to schedule '" << RequiredPass->getPassName(); 111093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar errs() << "' required by '" << P->getPassName() << "'\n"; 1111c0c33f5e2cebd347ab5c3afb0c112211b36605dcDevang Patel#endif 1112c23197a26f34f559ea9797de51e187087c039c42Torok Edwin llvm_unreachable("Unable to schedule pass"); 111319fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel} 111419fe8f907e4addad1a33b7590b3f05893c39b3a6Devang Patel 1115ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel// Destructor 1116ab7752c1496c2913793305ba4b989a551c5617e1Devang PatelPMDataManager::~PMDataManager() { 111778766ff67cb9222a2dd5e2cda2e1488b5288a79dDevang Patel for (SmallVector<Pass *, 8>::iterator I = PassVector.begin(), 1118ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel E = PassVector.end(); I != E; ++I) 1119ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel delete *I; 1120ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1121ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1122f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel//===----------------------------------------------------------------------===// 1123f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel// NOTE: Is this the right place to define this method ? 11241465d61bdd36cfd6021036a527895f0dd358e97dDuncan Sands// getAnalysisIfAvailable - Return analysis result or null if it doesn't exist. 11251465d61bdd36cfd6021036a527895f0dd358e97dDuncan SandsPass *AnalysisResolver::getAnalysisIfAvailable(AnalysisID ID, bool dir) const { 1126f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel return PM.findAnalysisPass(ID, dir); 1127f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel} 1128f3dc6d9f95d4ba7756105154df4a8075bbbcf931Devang Patel 11296b1df0e863963929634d769f39cbce68f030f051Devang PatelPass *AnalysisResolver::findImplPass(Pass *P, const PassInfo *AnalysisPI, 11306b1df0e863963929634d769f39cbce68f030f051Devang Patel Function &F) { 11316b1df0e863963929634d769f39cbce68f030f051Devang Patel return PM.getOnTheFlyPass(P, AnalysisPI, F); 11326b1df0e863963929634d769f39cbce68f030f051Devang Patel} 11336b1df0e863963929634d769f39cbce68f030f051Devang Patel 113406e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 11355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// BBPassManager implementation 113655fd43f90913676682487f89f27c756adb827f66Devang Patel 113755fd43f90913676682487f89f27c756adb827f66Devang Patel/// Execute all of the passes scheduled for execution by invoking 113855fd43f90913676682487f89f27c756adb827f66Devang Patel/// runOnBasicBlock method. Keep track of whether any of the passes modifies 113955fd43f90913676682487f89f27c756adb827f66Devang Patel/// the function, and if so, return true. 1140d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattnerbool BBPassManager::runOnFunction(Function &F) { 11415cbf985dcbc89fba3208e7baf8b6f488b06d3ec9Reid Spencer if (F.isDeclaration()) 11421fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel return false; 11431fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 11443b14fbe300b96c353a9abfadf481b64324f17375Devang Patel bool Changed = doInitialization(F); 1145c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 114655fd43f90913676682487f89f27c756adb827f66Devang Patel for (Function::iterator I = F.begin(), E = F.end(); I != E; ++I) 11471554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 11481554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1149017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 115093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(BP, EXECUTION_MSG, ON_BASICBLOCK_MSG, I->getName()); 11510dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(BP); 1152017b5d969b12119a88463fe2451f20ca9214c4ffDevang Patel 11531554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(BP); 1154693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 1155d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1156d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner // If the pass crashes, remember this. 1157d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(BP, *I); 1158d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 11595c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(BP); 1160d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= BP->runOnBasicBlock(*I); 11615c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(BP, T); 1162d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1163693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 11647f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 116597cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(BP, MODIFICATION_MSG, ON_BASICBLOCK_MSG, 116693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar I->getName()); 11670dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(BP); 1168693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 116958e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(BP); 11701554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(BP); 11711554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(BP); 117293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(BP, I->getName(), ON_BASICBLOCK_MSG); 117355fd43f90913676682487f89f27c756adb827f66Devang Patel } 1174fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner 11751a8038636c2998e37f2130b0ab89a3686d9c1f48Devang Patel return Changed |= doFinalization(F); 117655fd43f90913676682487f89f27c756adb827f66Devang Patel} 117755fd43f90913676682487f89f27c756adb827f66Devang Patel 1178964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel// Implement doInitialization and doFinalization 1179e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Module &M) { 1180964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1181964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1182d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1183d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 1184964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1185964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1186964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1187964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1188e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Module &M) { 1189964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1190964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1191d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1192d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 1193964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1194964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1195964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1196964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1197e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doInitialization(Function &F) { 1198964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1199964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12001554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12011554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1202964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doInitialization(F); 1203964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1204964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1205964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1206964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1207964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1208e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool BBPassManager::doFinalization(Function &F) { 1209964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel bool Changed = false; 1210964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 12111554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12121554c8545651350569f08dc7370189da1a7e5814Devang Patel BasicBlockPass *BP = getContainedPass(Index); 1213964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel Changed |= BP->doFinalization(F); 1214964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel } 1215964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1216964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel return Changed; 1217964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel} 1218964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 1219964e45e60769ccdb4ee0230a179f84f37f6c371aDevang Patel 122006e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12213162691f69f85f740bc28f3ddca39b166d35187cDevang Patel// FunctionPassManager implementation 122206e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 1223c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// Create new Function pass manager 12243162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::FunctionPassManager(ModuleProvider *P) { 12255f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel FPM = new FunctionPassManagerImpl(0); 1226dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // FPM is the top level manager. 1227dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel FPM->setTopLevelManager(FPM); 1228b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 122959ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman AnalysisResolver *AR = new AnalysisResolver(*FPM); 1230b920bd85adba95553568cef6a7078ee2509ab804Devang Patel FPM->setResolver(AR); 1231b920bd85adba95553568cef6a7078ee2509ab804Devang Patel 1232cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel MP = P; 1233cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel} 1234cc132cd9feef765fe70284183c0f997b4faa5483Devang Patel 12353162691f69f85f740bc28f3ddca39b166d35187cDevang PatelFunctionPassManager::~FunctionPassManager() { 123637a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete FPM; 123737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 123837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 1239c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// add - Add a pass to the queue of passes to run. This passes 1240c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// ownership of the Pass to the PassManager. When the 1241c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// PassManager_X is destroyed, the pass will be destroyed as well, so 1242c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// there is no need to delete the pass. (TODO delete passes.) 1243c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel/// This implies that all passes MUST be allocated with 'new'. 12443162691f69f85f740bc28f3ddca39b166d35187cDevang Patelvoid FunctionPassManager::add(Pass *P) { 1245c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel FPM->add(P); 1246c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel} 1247c63592b19ecd54a1318a19d87b5c0bd85f172a4fDevang Patel 1248214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// run - Execute all of the passes scheduled for execution. Keep 1249214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// track of whether any of the passes modifies the function, and if 1250214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// so, return true. 1251214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel/// 12523162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::run(Function &F) { 1253214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel std::string errstr; 1254214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel if (MP->materializeFunction(&F, &errstr)) { 1255ab7c09b6b6f4516a631fd6788918c237c83939afTorok Edwin llvm_report_error("Error reading bitcode file: " + errstr); 1256214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1257c475692c5ee2f9c0c6988b7ec28768ef6690bfb0Devang Patel return FPM->run(F); 1258214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1259214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1260214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 12613799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// doInitialization - Run all of the initializers for the function passes. 12623799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12633162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doInitialization() { 12643799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doInitialization(*MP->getModule()); 12653799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12663799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1267209ee187c92db27e7b38bef26a14f3b257bc2744Dan Gohman/// doFinalization - Run all of the finalizers for the function passes. 12683799f97d539f6c288d169063e1b335917fafcffbDevang Patel/// 12693162691f69f85f740bc28f3ddca39b166d35187cDevang Patelbool FunctionPassManager::doFinalization() { 12703799f97d539f6c288d169063e1b335917fafcffbDevang Patel return FPM->doFinalization(*MP->getModule()); 12713799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 12723799f97d539f6c288d169063e1b335917fafcffbDevang Patel 127306e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 12745f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FunctionPassManagerImpl implementation 12755f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// 1276e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doInitialization(Module &M) { 12775f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12785f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1279d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1280d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doInitialization(M); 12815f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12825f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12835f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12845f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1285e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FunctionPassManagerImpl::doFinalization(Module &M) { 12865f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 12875f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1288d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1289d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->doFinalization(M); 12905f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12915f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 12925f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 12935f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 12949dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel/// cleanup - After running all passes, clean up pass manager cache. 12959dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patelvoid FPPassManager::cleanup() { 12969dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 12979dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel FunctionPass *FP = getContainedPass(Index); 12989dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AnalysisResolver *AR = FP->getResolver(); 12999dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel assert(AR && "Analysis Resolver is not set"); 13009dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel AR->clearAnalysisImpls(); 13019dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel } 13029dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel} 13039dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13041970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwinvoid FunctionPassManagerImpl::releaseMemoryOnTheFly() { 13051970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin if (!wasRun) 13061970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin return; 13071970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) { 13081970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPassManager *FPPM = getContainedManager(Index); 13091970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (unsigned Index = 0; Index < FPPM->getNumContainedPasses(); ++Index) { 13101970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPPM->getContainedPass(Index)->releaseMemory(); 13111970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 13136c839926babc7e3404974a4a5b39c6896d7fbf35Torok Edwin wasRun = false; 13141970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin} 13151970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 13165f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Execute all the passes managed by this top level manager. 13175f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// Return true if any function is modified by a pass. 13185f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FunctionPassManagerImpl::run(Function &F) { 13195f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = false; 13205f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel TimingInfo::createTheTimeInfo(); 13215f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpArguments(); 13235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 13245f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13251336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1326d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1327d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnFunction(F); 13289dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13299dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 13309dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel getContainedManager(Index)->cleanup(); 13319dfa1671fc5ba478530ba88877dd508dac20bac4Devang Patel 13321970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin wasRun = true; 13335f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed; 13345f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 13355f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 13365f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel//===----------------------------------------------------------------------===// 13375f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// FPPassManager implementation 1338448d27cd795dc273249f123444509403f4fa4facDevang Patel 13391997473cf72957d0e70322e2fe6fe2ab141c58a6Devang Patelchar FPPassManager::ID = 0; 1340ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel/// Print passes managed by this manager 1341ab7752c1496c2913793305ba4b989a551c5617e1Devang Patelvoid FPPassManager::dumpPassStructure(unsigned Offset) { 134293b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar llvm::errs() << std::string(Offset*2, ' ') << "FunctionPass Manager\n"; 1343ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 1344ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FunctionPass *FP = getContainedPass(Index); 1345ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel FP->dumpPassStructure(Offset + 1); 1346ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel dumpLastUses(FP, Offset+1); 1347ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel } 1348ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel} 1349ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1350ab7752c1496c2913793305ba4b989a551c5617e1Devang Patel 1351448d27cd795dc273249f123444509403f4fa4facDevang Patel/// Execute all of the passes scheduled for execution by invoking 1352448d27cd795dc273249f123444509403f4fa4facDevang Patel/// runOnFunction method. Keep track of whether any of the passes modifies 1353448d27cd795dc273249f123444509403f4fa4facDevang Patel/// the function, and if so, return true. 13545f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnFunction(Function &F) { 1355f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (F.isDeclaration()) 1356f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return false; 1357214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 1358214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel bool Changed = false; 13591fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 1360bed7e6849823042c442e7e88dba5d41f68982815Devang Patel // Collect inherited analysis from Module level pass manager. 1361bed7e6849823042c442e7e88dba5d41f68982815Devang Patel populateInheritedAnalysis(TPM->activeStack); 13621fbe2c9964d57b2a58235541175f069ae491a95eDevang Patel 13631554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 13641554c8545651350569f08dc7370189da1a7e5814Devang Patel FunctionPass *FP = getContainedPass(Index); 13651554c8545651350569f08dc7370189da1a7e5814Devang Patel 136693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, EXECUTION_MSG, ON_FUNCTION_MSG, F.getName()); 13670dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(FP); 1368693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13691554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(FP); 13708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1371d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1372d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(FP, F); 1373d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner 13745c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(FP); 1375d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= FP->runOnFunction(F); 13765c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(FP, T); 1377d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1378693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 13797f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 138093b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar dumpPassInfo(FP, MODIFICATION_MSG, ON_FUNCTION_MSG, F.getName()); 13810dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(FP); 1382693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 138358e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(FP); 13841554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(FP); 13851554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(FP); 138693b67e40de356569493c285b86b138a3f11b5035Daniel Dunbar removeDeadPasses(FP, F.getName(), ON_FUNCTION_MSG); 13875b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel 1388844a3d163bc644085b1d744797da43eb9bf7ee3bDevang Patel // If dominator information is available then verify the info if requested. 13895b57e720c875277131ed0d4f3b72a582979d1afeDevang Patel verifyDomInfo(*FP, F); 1390214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel } 1391214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel return Changed; 1392214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel} 1393214ca23aef8bd408c4ee4ce28ba93d57d2416587Devang Patel 13945f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool FPPassManager::runOnModule(Module &M) { 13955f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel bool Changed = doInitialization(M); 13965f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1397f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (Module::iterator I = M.begin(), E = M.end(); I != E; ++I) 1398f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner runOnFunction(*I); 13995f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 14005f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel return Changed |= doFinalization(M); 14015f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel} 14025f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel 1403e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doInitialization(Module &M) { 14043799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14053799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1406d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1407d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doInitialization(M); 14083799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14093799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14103799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14113799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1412e70a6835c447e8dd2ea368485088783e7995ea8fDuncan Sandsbool FPPassManager::doFinalization(Module &M) { 14133799f97d539f6c288d169063e1b335917fafcffbDevang Patel bool Changed = false; 14143799f97d539f6c288d169063e1b335917fafcffbDevang Patel 1415d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) 1416d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedPass(Index)->doFinalization(M); 14173799f97d539f6c288d169063e1b335917fafcffbDevang Patel 14183799f97d539f6c288d169063e1b335917fafcffbDevang Patel return Changed; 14193799f97d539f6c288d169063e1b335917fafcffbDevang Patel} 14203799f97d539f6c288d169063e1b335917fafcffbDevang Patel 142106e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 14225f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel// MPPassManager implementation 142392c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 142492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// Execute all of the passes scheduled for execution by invoking 142592c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// runOnModule method. Keep track of whether any of the passes modifies 142692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel/// the module, and if so, return true. 142792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patelbool 14285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang PatelMPPassManager::runOnModule(Module &M) { 142992c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel bool Changed = false; 1430c1d6e1fc9c3a47529f417026df652f466ce67851Devang Patel 14311970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Initialize on-the-fly passes 14321970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14331970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14341970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14351970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14361970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doInitialization(M); 14371970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 14381970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14391554c8545651350569f08dc7370189da1a7e5814Devang Patel for (unsigned Index = 0; Index < getNumContainedPasses(); ++Index) { 14401554c8545651350569f08dc7370189da1a7e5814Devang Patel ModulePass *MP = getContainedPass(Index); 14411554c8545651350569f08dc7370189da1a7e5814Devang Patel 144297cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, EXECUTION_MSG, ON_MODULE_MSG, 144397cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14440dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpRequiredSet(MP); 1445693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14461554c8545651350569f08dc7370189da1a7e5814Devang Patel initializeAnalysisImpl(MP); 14478e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1448d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner { 1449d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner PassManagerPrettyStackEntry X(MP, M); 14505c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman Timer *T = StartPassTimer(MP); 1451d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= MP->runOnModule(M); 14525c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman StopPassTimer(MP, T); 1453d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner } 1454693a74e4ee34e2058dab7121c17c98ec59258a8aDevang Patel 14557f99761143cdf1ad23729708e3dcaa055b189406Devang Patel if (Changed) 145697cf759b822818414f9604c74d3bcfe75a91520bDan Gohman dumpPassInfo(MP, MODIFICATION_MSG, ON_MODULE_MSG, 145797cf759b822818414f9604c74d3bcfe75a91520bDan Gohman M.getModuleIdentifier().c_str()); 14580dabb7e8f3e371cf0d6a9747b5bd4b555cc32c95Chris Lattner dumpPreservedSet(MP); 1459e2c5ecd46a3a2c2cd11de8c5dadd5d52a2801420Chris Lattner 146058e0ef1e90c3f6dbae213612b44e56f7d6d65ea7Devang Patel verifyPreservedAnalysis(MP); 14611554c8545651350569f08dc7370189da1a7e5814Devang Patel removeNotPreservedAnalysis(MP); 14621554c8545651350569f08dc7370189da1a7e5814Devang Patel recordAvailableAnalysis(MP); 14636b4af744b844ba5cf319614b6a27d213548706eeDevang Patel removeDeadPasses(MP, M.getModuleIdentifier().c_str(), ON_MODULE_MSG); 146492c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel } 14651970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin 14661970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // Finalize on-the-fly passes 14671970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin for (std::map<Pass *, FunctionPassManagerImpl *>::iterator 14681970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I = OnTheFlyManagers.begin(), E = OnTheFlyManagers.end(); 14691970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin I != E; ++I) { 14701970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FunctionPassManagerImpl *FPP = I->second; 14711970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // We don't know when is the last time an on-the-fly pass is run, 14721970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin // so we need to releaseMemory / finalize here 14731970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 14741970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin Changed |= FPP->doFinalization(M); 14751970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin } 147692c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel return Changed; 147792c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel} 147892c45eebf77de5d6ee84a3f18f560b83cb68e720Devang Patel 1479569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// Add RequiredPass into list of lower level passes required by pass P. 1480569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// RequiredPass is run on the fly by Pass Manager when P requests it 1481569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel/// through getAnalysis interface. 1482569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patelvoid MPPassManager::addLowerLevelRequiredPass(Pass *P, Pass *RequiredPass) { 1483f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(P->getPotentialPassManagerType() == PMT_ModulePassManager && 1484f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1485f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert((P->getPotentialPassManagerType() < 1486f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner RequiredPass->getPotentialPassManagerType()) && 1487f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner "Unable to handle Pass that requires lower level Analysis pass"); 1488569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel 1489dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[P]; 14900ed8df38c26a910bd7adbe105172b434898646f3Devang Patel if (!FPP) { 1491dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP = new FunctionPassManagerImpl(0); 1492dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // FPP is the top level manager. 1493dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setTopLevelManager(FPP); 1494dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel 14950ed8df38c26a910bd7adbe105172b434898646f3Devang Patel OnTheFlyManagers[P] = FPP; 14960ed8df38c26a910bd7adbe105172b434898646f3Devang Patel } 1497dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->add(RequiredPass); 14980ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 1499dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel // Register P as the last user of RequiredPass. 1500edbef3806777af3dfaba340801e609492e47f732Devang Patel SmallVector<Pass *, 12> LU; 1501dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel LU.push_back(RequiredPass); 1502dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->setLastUser(LU, P); 1503569a6fd9d59d67bc79f63f69ef14f91b0fda6c4aDevang Patel} 15040ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15050ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// Return function pass corresponding to PassInfo PI, that is 15060ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// required by module pass MP. Instantiate analysis pass, by using 15070ed8df38c26a910bd7adbe105172b434898646f3Devang Patel/// its runOnFunction() for function F. 1508f957436254f1d20f2229e183390a4172cd4b6400Chris LattnerPass* MPPassManager::getOnTheFlyPass(Pass *MP, const PassInfo *PI, Function &F){ 1509dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FunctionPassManagerImpl *FPP = OnTheFlyManagers[MP]; 1510f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(FPP && "Unable to find on the fly pass"); 15110ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15121970a89a49a76ef117c92e58a508e26ecc43ccdbTorok Edwin FPP->releaseMemoryOnTheFly(); 1513dfa1ec3bc24930cbc42283ee8337c0711580fe1fDevang Patel FPP->run(F); 1514f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner return (dynamic_cast<PMTopLevelManager *>(FPP))->findAnalysisPass(PI); 15150ed8df38c26a910bd7adbe105172b434898646f3Devang Patel} 15160ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 15170ed8df38c26a910bd7adbe105172b434898646f3Devang Patel 151806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 151906e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManagerImpl implementation 152037a6f7966c39f69a92419d37949a94a758c29e90Devang Patel// 1521b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 1522b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel/// whether any of the passes modifies the module, and if so, return true. 15235f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patelbool PassManagerImpl::run(Module &M) { 1524b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel bool Changed = false; 15258e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TimingInfo::createTheTimeInfo(); 15268e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1527c32cf54101ecaf336d161fecd58667870149169cDevang Patel dumpArguments(); 15285f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel dumpPasses(); 152945dc02d6f97447785ee7ffe08c36a34bc8921b0bDevang Patel 15301336a6bf06e64a096217628d2cc9644e48a5d7d6Devang Patel initializeAllAnalysisInfo(); 1531d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner for (unsigned Index = 0; Index < getNumContainedManagers(); ++Index) 1532d6f16587ab292b20857933b3ba13d3d1c62a8d62Chris Lattner Changed |= getContainedManager(Index)->runOnModule(M); 1533b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel return Changed; 1534b30803bc17a5be655b7c4ef356e75ae5524b0931Devang Patel} 15355a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 153606e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel//===----------------------------------------------------------------------===// 153706e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel// PassManager implementation 153806e86561a5261a59f5c391d5cc5cb4aa38dca83cDevang Patel 15395a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// Create new pass manager 15403162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::PassManager() { 15415f4ddf517f29cfc91c327c33f6d3c0f157bc5bb5Devang Patel PM = new PassManagerImpl(0); 1542dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel // PM is the top level manager 1543dff33ef8e863241193463fd0129657c5ebce4d58Devang Patel PM->setTopLevelManager(PM); 15445a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15455a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15463162691f69f85f740bc28f3ddca39b166d35187cDevang PatelPassManager::~PassManager() { 154737a6f7966c39f69a92419d37949a94a758c29e90Devang Patel delete PM; 154837a6f7966c39f69a92419d37949a94a758c29e90Devang Patel} 154937a6f7966c39f69a92419d37949a94a758c29e90Devang Patel 15505a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// add - Add a pass to the queue of passes to run. This passes ownership of 15515a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// the Pass to the PassManager. When the PassManager is destroyed, the pass 15525a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// will be destroyed as well, so there is no need to delete the pass. This 15535a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// implies that all passes MUST be allocated with 'new'. 1554f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnervoid PassManager::add(Pass *P) { 15555a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel PM->add(P); 15565a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15575a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15585a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// run - Execute all of the passes scheduled for execution. Keep track of 15595a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel/// whether any of the passes modifies the module, and if so, return true. 1560f957436254f1d20f2229e183390a4172cd4b6400Chris Lattnerbool PassManager::run(Module &M) { 15615a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel return PM->run(M); 15625a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel} 15635a39b2e8067450839a1a041a26e2f9d8dd07f40aDevang Patel 15648e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel//===----------------------------------------------------------------------===// 15658e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// TimingInfo Class - This class is used to calculate information about the 15668e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// amount of time each pass takes to execute. This only happens with 15678e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// -time-passes is enabled on the command line. 15688e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// 15698e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelbool llvm::TimePassesIsEnabled = false; 15708e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelstatic cl::opt<bool,true> 15718e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang PatelEnableTiming("time-passes", cl::location(TimePassesIsEnabled), 15728e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel cl::desc("Time each pass, printing elapsed time for each on exit")); 15738e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15748e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// createTheTimeInfo - This method either initializes the TheTimeInfo pointer to 15758e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// a non null value (if the -time-passes option is enabled) or it leaves it 15768e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel// null. It may be called multiple times. 15778e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patelvoid TimingInfo::createTheTimeInfo() { 15788e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel if (!TimePassesIsEnabled || TheTimeInfo) return; 15798e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 15808e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // Constructed the first time this is called, iff -time-passes is enabled. 15818e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // This guarantees that the object will be constructed before static globals, 15828e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel // thus it will be destroyed before them. 15838e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel static ManagedStatic<TimingInfo> TTI; 15848e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel TheTimeInfo = &*TTI; 15858e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel} 15868e58a1b17bb57e6ffa187a0ec758f9a1bed7685bDevang Patel 1587c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then start pass timer. 15885c12adaa8b92800d835ddd5c97723c6eb5628b5bDan GohmanTimer *llvm::StartPassTimer(Pass *P) { 1589c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel if (TheTimeInfo) 15905c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return TheTimeInfo->passStarted(P); 15915c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman return 0; 1592c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1593c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 1594c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel/// If TimingInfo is enabled then stop pass timer. 15955c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohmanvoid llvm::StopPassTimer(Pass *P, Timer *T) { 15965c12adaa8b92800d835ddd5c97723c6eb5628b5bDan Gohman if (T) T->stopTimer(); 1597c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel} 1598c874eb54ecf57f493c49934a327e0e4e49f0ff10Devang Patel 159909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel//===----------------------------------------------------------------------===// 160009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// PMStack implementation 160109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// 160236bcb82c3f7acd7cc3a79f51102c5995db2fb723Devang Patel 160309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Pop Pass Manager from the stack and clear its analysis info. 160409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patelvoid PMStack::pop() { 160509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 160609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMDataManager *Top = this->top(); 160709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel Top->initializeAnalysisInfo(); 160809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 160909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel S.pop_back(); 161009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 161109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 161209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel// Push PM on the stack and set its top level manager. 1613c2f12ab5e5258a949c0cfff074bf57fe0c08d4e5Dan Gohmanvoid PMStack::push(PMDataManager *PM) { 1614f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(PM && "Unable to push. Pass Manager expected"); 161509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1616f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner if (!this->empty()) { 1617f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner PMTopLevelManager *TPM = this->top()->getTopLevelManager(); 161897149737f27457b0411e49af3e4539688e29848fDevang Patel 1619f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner assert(TPM && "Unable to find top level manager"); 162097149737f27457b0411e49af3e4539688e29848fDevang Patel TPM->addIndirectPassManager(PM); 162197149737f27457b0411e49af3e4539688e29848fDevang Patel PM->setTopLevelManager(TPM); 162297149737f27457b0411e49af3e4539688e29848fDevang Patel } 162397149737f27457b0411e49af3e4539688e29848fDevang Patel 162497149737f27457b0411e49af3e4539688e29848fDevang Patel S.push_back(PM); 162597149737f27457b0411e49af3e4539688e29848fDevang Patel} 162609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 162797149737f27457b0411e49af3e4539688e29848fDevang Patel// Dump content of the pass manager stack. 162897149737f27457b0411e49af3e4539688e29848fDevang Patelvoid PMStack::dump() { 1629f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner for (std::deque<PMDataManager *>::iterator I = S.begin(), 1630f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner E = S.end(); I != E; ++I) 1631f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner printf("%s ", dynamic_cast<Pass *>(*I)->getPassName()); 1632f957436254f1d20f2229e183390a4172cd4b6400Chris Lattner 163397149737f27457b0411e49af3e4539688e29848fDevang Patel if (!S.empty()) 1634fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner printf("\n"); 163509e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 163609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 163709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// Find appropriate Module Pass Manager in the PM Stack and 163809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel/// add self into that manager. 1639be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid ModulePass::assignPassManager(PMStack &PMS, 1640bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 164109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel // Find Module Pass Manager 164209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 164344b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PassManagerType TopPMType = PMS.top()->getPassManagerType(); 164444b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel if (TopPMType == PreferredType) 164544b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel break; // We found desired pass manager 164644b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel else if (TopPMType > PMT_ModulePassManager) 164709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel PMS.pop(); // Pop children pass managers 16486b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel else 16496b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel break; 165009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 1651bd6dc7a086142fec46b28b8c1f4e75a0d9500f6dDevang Patel assert(!PMS.empty() && "Unable to find appropriate Pass Manager"); 165244b0d29802ea87d68648dec798fd564eb3cbaa32Devang Patel PMS.top()->add(this); 165309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 165409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16559d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Function Pass Manager or Call Graph Pass Manager 16569d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1657be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid FunctionPass::assignPassManager(PMStack &PMS, 1658bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 165909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16600938f7424261cb99abaac4e5325487886e213dfbDevang Patel // Find Module Pass Manager 166109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel while(!PMS.empty()) { 16626b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel if (PMS.top()->getPassManagerType() > PMT_FunctionPassManager) 16636b9420e94392040fbe6b2af5e49adbcbc6b32615Devang Patel PMS.pop(); 166409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel else 16659d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel break; 166609e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel } 16679d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPPassManager *FPP = dynamic_cast<FPPassManager *>(PMS.top()); 166809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16699d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Create new Function Pass Manager 16709d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!FPP) { 16719d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create Function Pass Manager"); 16729d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 167397149737f27457b0411e49af3e4539688e29848fDevang Patel 16749d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Function Pass Manager 16759d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP = new FPPassManager(PMD->getDepth() + 1); 1676bed7e6849823042c442e7e88dba5d41f68982815Devang Patel FPP->populateInheritedAnalysis(PMS); 167797149737f27457b0411e49af3e4539688e29848fDevang Patel 16789d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 16799d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 16809d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(FPP); 168197149737f27457b0411e49af3e4539688e29848fDevang Patel 16829d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [3] Assign manager to manage this new manager. This may create 16839d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // and push new managers into PMS 16840938f7424261cb99abaac4e5325487886e213dfbDevang Patel FPP->assignPassManager(PMS, PMD->getPassManagerType()); 16859d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 16869d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 16879d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(FPP); 16889d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 168909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16909d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign FPP as the manager of this pass. 16919d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel FPP->add(this); 169209e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 169309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 16949d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// Find appropriate Basic Pass Manager or Call Graph Pass Manager 16959d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel/// in the PM Stack and add self into that manager. 1696be1ffc6b8d3db7b1a9d512a1d53afd075d8e58c9Devang Patelvoid BasicBlockPass::assignPassManager(PMStack &PMS, 1697bed2946a96ecb15b0b636fa74cb26ce61b1c648eAnton Korobeynikov PassManagerType PreferredType) { 169809e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBPassManager *BBP = NULL; 169909e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 170097149737f27457b0411e49af3e4539688e29848fDevang Patel // Basic Pass Manager is a leaf pass manager. It does not handle 170197149737f27457b0411e49af3e4539688e29848fDevang Patel // any other pass manager. 1702fc23bc799d18a1316579234faaf6262cedc95bc0Chris Lattner if (!PMS.empty()) 170309e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel BBP = dynamic_cast<BBPassManager *>(PMS.top()); 170409e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17059d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // If leaf manager is not Basic Block Pass manager then create new 17069d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // basic Block Pass manager. 17079d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17089d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel if (!BBP) { 17099d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel assert(!PMS.empty() && "Unable to create BasicBlock Pass Manager"); 17109d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMDataManager *PMD = PMS.top(); 17119d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17129d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [1] Create new Basic Block Manager 17139d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP = new BBPassManager(PMD->getDepth() + 1); 17149d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel 17159d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [2] Set up new manager's top level manager 17169d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Basic Block Pass Manager does not live by itself 17179d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMTopLevelManager *TPM = PMD->getTopLevelManager(); 17189d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel TPM->addIndirectPassManager(BBP); 171997149737f27457b0411e49af3e4539688e29848fDevang Patel 172097149737f27457b0411e49af3e4539688e29848fDevang Patel // [3] Assign manager to manage this new manager. This may create 172197149737f27457b0411e49af3e4539688e29848fDevang Patel // and push new managers into PMS 172259ef015c65cecee948d1cf13812c5d0b47cb792aDan Gohman BBP->assignPassManager(PMS); 1723531f01f878915fc51ccf5e1194a2dc8d73c207cdDevang Patel 17249d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // [4] Push new manager into PMS 17259d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel PMS.push(BBP); 17269d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel } 172709e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 17289d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel // Assign BBP as the manager of this pass. 17299d133e150faac44b8d8d1b53516cbad4d9bbf84aDevang Patel BBP->add(this); 173009e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel} 173109e6e4303f1aac10fea6860e7736c234fcbf56ccDevang Patel 1732580b89992fae365fd41832f4342888eb4dbc9eb4Dan GohmanPassManagerBase::~PassManagerBase() {} 1733d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1734d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen/*===-- C Bindings --------------------------------------------------------===*/ 1735d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1736d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreatePassManager() { 1737d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new PassManager()); 1738d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1739d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1740d78c0f5a7255e4347cbd82f7435c51401096652cGordon HenriksenLLVMPassManagerRef LLVMCreateFunctionPassManager(LLVMModuleProviderRef P) { 1741d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return wrap(new FunctionPassManager(unwrap(P))); 1742d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1743d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1744d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunPassManager(LLVMPassManagerRef PM, LLVMModuleRef M) { 1745d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<PassManager>(PM)->run(*unwrap(M)); 1746d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1747d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1748d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMInitializeFunctionPassManager(LLVMPassManagerRef FPM) { 1749d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doInitialization(); 1750d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1751d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1752d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMRunFunctionPassManager(LLVMPassManagerRef FPM, LLVMValueRef F) { 1753d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->run(*unwrap<Function>(F)); 1754d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1755d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1756d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenint LLVMFinalizeFunctionPassManager(LLVMPassManagerRef FPM) { 1757d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen return unwrap<FunctionPassManager>(FPM)->doFinalization(); 1758d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1759d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen 1760d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksenvoid LLVMDisposePassManager(LLVMPassManagerRef PM) { 1761d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen delete unwrap(PM); 1762d78c0f5a7255e4347cbd82f7435c51401096652cGordon Henriksen} 1763