From 200121569dc6cff10a1fb6ed7500098770b9dd25 Mon Sep 17 00:00:00 2001
From: Sebastian Redl <sebastian.redl@getdesigned.at>
Date: Fri, 10 Sep 2010 20:55:30 +0000
Subject: [PATCH] Make CallExpr::getCalleeDecl look through pointer derefs.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@113620 91177308-0d34-0410-b5e6-96231b3b80d8
---
include/clang/AST/Expr.h | 1 +
lib/AST/Expr.cpp | 8 ++++++++
2 files changed, 9 insertions(+)
diff --git a/include/clang/AST/Expr.h b/include/clang/AST/Expr.h
index 1f3a1bac97..debc637745 100644
--- a/include/clang/AST/Expr.h
+++ b/include/clang/AST/Expr.h
@@ -2295,6 +2295,7 @@ public:
static OverloadedOperatorKind getOverloadedOperator(Opcode Opc);
/// predicates to categorize the respective opcodes.
+ bool isPtrMemOp() const { return Opc == BO_PtrMemD || Opc == BO_PtrMemI; }
bool isMultiplicativeOp() const { return Opc >= BO_Mul && Opc <= BO_Rem; }
static bool isAdditiveOp(Opcode Opc) { return Opc == BO_Add || Opc==BO_Sub; }
bool isAdditiveOp() const { return isAdditiveOp(getOpcode()); }
diff --git a/lib/AST/Expr.cpp b/lib/AST/Expr.cpp
index 5feef1c803..cf3eea959e 100644
--- a/lib/AST/Expr.cpp
+++ b/lib/AST/Expr.cpp
@@ -559,6 +559,14 @@ CallExpr::CallExpr(ASTContext &C, StmtClass SC, EmptyShell Empty)
Decl *CallExpr::getCalleeDecl() {
Expr *CEE = getCallee()->IgnoreParenCasts();
+ // If we're calling a dereference, look at the pointer instead.
+ if (BinaryOperator *BO = dyn_cast<BinaryOperator>(CEE)) {
+ if (BO->isPtrMemOp())
+ CEE = BO->getRHS()->IgnoreParenCasts();
+ } else if (UnaryOperator *UO = dyn_cast<UnaryOperator>(CEE)) {
+ if (UO->getOpcode() == UO_Deref)
+ CEE = UO->getSubExpr()->IgnoreParenCasts();
+ }
if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CEE))
return DRE->getDecl();
if (MemberExpr *ME = dyn_cast<MemberExpr>(CEE))
--
2.40.0