r341600 - [analyzer] Dump a reproducible, deterministic ID of program state to exploded graph
George Karpenkov via cfe-commits
cfe-commits at lists.llvm.org
Thu Sep 6 16:07:26 PDT 2018
Author: george.karpenkov
Date: Thu Sep 6 16:07:26 2018
New Revision: 341600
URL: http://llvm.org/viewvc/llvm-project?rev=341600&view=rev
Log:
[analyzer] Dump a reproducible, deterministic ID of program state to exploded graph
Differential Revision: https://reviews.llvm.org/D51395
Modified:
cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
cfe/trunk/lib/StaticAnalyzer/Core/ProgramState.cpp
Modified: cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h?rev=341600&r1=341599&r2=341600&view=diff
==============================================================================
--- cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h (original)
+++ cfe/trunk/include/clang/StaticAnalyzer/Core/PathSensitive/ProgramState.h Thu Sep 6 16:07:26 2018
@@ -107,6 +107,8 @@ public:
~ProgramState();
+ int64_t getID() const;
+
/// Return the ProgramStateManager associated with this state.
ProgramStateManager &getStateManager() const {
return *stateMgr;
Modified: cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp?rev=341600&r1=341599&r2=341600&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Core/ExprEngine.cpp Thu Sep 6 16:07:26 2018
@@ -3141,7 +3141,8 @@ struct DOTGraphTraits<ExplodedNode*> : p
}
ProgramStateRef state = N->getState();
- Out << "\\|StateID: " << (const void*) state.get()
+ Out << "\\|StateID: " << state->getID() << " ("
+ << (const void*) state.get() << ")"
<< " NodeID: " << (const void*) N << "\\|";
state->printDOT(Out, N->getLocationContext());
Modified: cfe/trunk/lib/StaticAnalyzer/Core/ProgramState.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/StaticAnalyzer/Core/ProgramState.cpp?rev=341600&r1=341599&r2=341600&view=diff
==============================================================================
--- cfe/trunk/lib/StaticAnalyzer/Core/ProgramState.cpp (original)
+++ cfe/trunk/lib/StaticAnalyzer/Core/ProgramState.cpp Thu Sep 6 16:07:26 2018
@@ -69,6 +69,13 @@ ProgramState::~ProgramState() {
stateMgr->getStoreManager().decrementReferenceCount(store);
}
+int64_t ProgramState::getID() const {
+ Optional<int64_t> Out = getStateManager().Alloc.identifyObject(this);
+ assert(Out && "Wrong allocator used");
+ assert(*Out % alignof(ProgramState) == 0 && "Wrong alignment information");
+ return *Out / alignof(ProgramState);
+}
+
ProgramStateManager::ProgramStateManager(ASTContext &Ctx,
StoreManagerCreator CreateSMgr,
ConstraintManagerCreator CreateCMgr,
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