diff options
| author | Anna Zaks <ganna@apple.com> | 2012-09-12 22:57:40 +0000 |
|---|---|---|
| committer | Anna Zaks <ganna@apple.com> | 2012-09-12 22:57:40 +0000 |
| commit | 16e6a7cb41319459ded69b4d47f405c1035dd347 (patch) | |
| tree | d4f2052e18ec59004f5570b24f76d555318ef9e2 /lib/StaticAnalyzer/Core/CallEvent.cpp | |
| parent | 9dc298bf8e4001978e44e7f1872f337fe5805960 (diff) | |
[analyzer] Do not report use of undef on "return foo();" when the return type is void.
Fixes a false positive found by analyzing LLVM code base.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163750 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/StaticAnalyzer/Core/CallEvent.cpp')
| -rw-r--r-- | lib/StaticAnalyzer/Core/CallEvent.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/lib/StaticAnalyzer/Core/CallEvent.cpp b/lib/StaticAnalyzer/Core/CallEvent.cpp index 7742d1b6b6..3b4c13471b 100644 --- a/lib/StaticAnalyzer/Core/CallEvent.cpp +++ b/lib/StaticAnalyzer/Core/CallEvent.cpp @@ -252,6 +252,16 @@ bool CallEvent::isCallStmt(const Stmt *S) { || isa<CXXNewExpr>(S); } +/// \brief Returns the result type, adjusted for references. +QualType CallEvent::getDeclaredResultType(const Decl *D) { + assert(D); + if (const FunctionDecl* FD = dyn_cast<FunctionDecl>(D)) + return FD->getResultType(); + else if (const ObjCMethodDecl* MD = dyn_cast<ObjCMethodDecl>(D)) + return MD->getResultType(); + return QualType(); +} + static void addParameterValuesToBindings(const StackFrameContext *CalleeCtx, CallEvent::BindingsTy &Bindings, SValBuilder &SVB, |