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-rw-r--r--clang/lib/Analysis/CFG.cpp11
-rw-r--r--clang/lib/Analysis/CallGraph.cpp19
2 files changed, 7 insertions, 23 deletions
diff --git a/clang/lib/Analysis/CFG.cpp b/clang/lib/Analysis/CFG.cpp
index 884bc177fdc..02fe22c00fe 100644
--- a/clang/lib/Analysis/CFG.cpp
+++ b/clang/lib/Analysis/CFG.cpp
@@ -475,14 +475,9 @@ CFGBlock* CFGBuilder::WalkAST(Stmt* Terminator, bool AlwaysAddStmt = false) {
case Stmt::CallExprClass: {
bool NoReturn = false;
CallExpr *C = cast<CallExpr>(Terminator);
- Expr *CEE = C->getCallee()->IgnoreParenCasts();
- if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CEE)) {
- // FIXME: We can follow objective-c methods and C++ member functions...
- if (FunctionDecl *FD = dyn_cast<FunctionDecl>(DRE->getDecl())) {
- if (FD->hasAttr<NoReturnAttr>())
- NoReturn = true;
- }
- }
+ if (FunctionDecl *FD = C->getDirectCallee())
+ if (FD->hasAttr<NoReturnAttr>())
+ NoReturn = true;
if (!NoReturn)
break;
diff --git a/clang/lib/Analysis/CallGraph.cpp b/clang/lib/Analysis/CallGraph.cpp
index 16f14d787f4..d49e8ec11be 100644
--- a/clang/lib/Analysis/CallGraph.cpp
+++ b/clang/lib/Analysis/CallGraph.cpp
@@ -66,21 +66,10 @@ public:
}
void CGBuilder::VisitCallExpr(CallExpr *CE) {
- Expr *Callee = CE->getCallee();
-
- if (CastExpr *CE = dyn_cast<CastExpr>(Callee))
- Callee = CE->getSubExpr();
-
- if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Callee)) {
- Decl *D = DRE->getDecl();
- if (FunctionDecl *CalleeDecl = dyn_cast<FunctionDecl>(D)) {
-
- Entity *Ent = Entity::get(CalleeDecl, G.getProgram());
-
- CallGraphNode *CalleeNode = G.getOrInsertFunction(Ent);
-
- CallerNode->addCallee(ASTLocation(FD, CE), CalleeNode);
- }
+ if (FunctionDecl *CalleeDecl = CE->getDirectCallee()) {
+ Entity *Ent = Entity::get(CalleeDecl, G.getProgram());
+ CallGraphNode *CalleeNode = G.getOrInsertFunction(Ent);
+ CallerNode->addCallee(ASTLocation(FD, CE), CalleeNode);
}
}
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