1 //===- CGSCCPassManager.cpp - Managing & running CGSCC passes -------------===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 10 #include "llvm/Analysis/CGSCCPassManager.h" 11 #include "llvm/Support/CommandLine.h" 12 #include "llvm/Support/Debug.h" 13 14 using namespace llvm; 15 16 char CGSCCAnalysisManagerModuleProxy::PassID; 17 18 CGSCCAnalysisManagerModuleProxy::Result 19 CGSCCAnalysisManagerModuleProxy::run(Module &M) { 20 assert(CGAM->empty() && "CGSCC analyses ran prior to the module proxy!"); 21 return Result(*CGAM); 22 } 23 24 CGSCCAnalysisManagerModuleProxy::Result::~Result() { 25 // Clear out the analysis manager if we're being destroyed -- it means we 26 // didn't even see an invalidate call when we got invalidated. 27 CGAM->clear(); 28 } 29 30 bool CGSCCAnalysisManagerModuleProxy::Result::invalidate( 31 Module &M, const PreservedAnalyses &PA) { 32 // If this proxy isn't marked as preserved, then we can't even invalidate 33 // individual CGSCC analyses, there may be an invalid set of SCC objects in 34 // the cache making it impossible to incrementally preserve them. 35 // Just clear the entire manager. 36 if (!PA.preserved(ID())) 37 CGAM->clear(); 38 39 // Return false to indicate that this result is still a valid proxy. 40 return false; 41 } 42 43 char ModuleAnalysisManagerCGSCCProxy::PassID; 44 45 char FunctionAnalysisManagerCGSCCProxy::PassID; 46 47 FunctionAnalysisManagerCGSCCProxy::Result 48 FunctionAnalysisManagerCGSCCProxy::run(LazyCallGraph::SCC &C) { 49 assert(FAM->empty() && "Function analyses ran prior to the CGSCC proxy!"); 50 return Result(*FAM); 51 } 52 53 FunctionAnalysisManagerCGSCCProxy::Result::~Result() { 54 // Clear out the analysis manager if we're being destroyed -- it means we 55 // didn't even see an invalidate call when we got invalidated. 56 FAM->clear(); 57 } 58 59 bool FunctionAnalysisManagerCGSCCProxy::Result::invalidate( 60 LazyCallGraph::SCC &C, const PreservedAnalyses &PA) { 61 // If this proxy isn't marked as preserved, then we can't even invalidate 62 // individual function analyses, there may be an invalid set of Function 63 // objects in the cache making it impossible to incrementally preserve them. 64 // Just clear the entire manager. 65 if (!PA.preserved(ID())) 66 FAM->clear(); 67 68 // Return false to indicate that this result is still a valid proxy. 69 return false; 70 } 71 72 char CGSCCAnalysisManagerFunctionProxy::PassID; 73
