================
@@ -0,0 +1,117 @@
+// RUN: %clang_cc1 -triple=x86_64-linux -disable-llvm-passes -emit-llvm \
+// RUN: -debug-info-kind=constructor -dwarf-version=5 -O1 %s \
+// RUN: -o - | FileCheck %s -check-prefix CHECK-EDGES
+
+// The following are identified edge cases involving the method being called:
+// 1) Method is declared but not defined in current CU.
+// 2) Pure virtual method but not defined in current CU.
+// 3) Virtual method defined in a deeply nested structure hierarchy.
+
+//---------------------------------------------------------------------
+// 1) Method is declared but not defined in current CU - Pass.
+// Generate 'call_target' metadata for 'f1' and 'f2'.
+//---------------------------------------------------------------------
+struct CEmpty {
+ virtual void f1();
+ virtual void f2();
+};
+
+void CEmpty::f2() {
+}
+
+void edge_a(CEmpty *Empty) {
+ Empty->f1();
+ Empty->f2();
+}
+
+//---------------------------------------------------------------------
+// 2) Pure virtual method but not defined in current CU - Pass.
+// Generate 'call_target' metadata for 'f1' and 'f2'.
+//---------------------------------------------------------------------
+struct CBase {
+ virtual void f1() = 0;
+ virtual void f2();
+};
+
+void CBase::f2() {
+}
+
+void edge_b(CBase *Base) {
+ Base->f1();
+ Base->f2();
+}
+
+//---------------------------------------------------------------------
+// 3) Virtual method defined in a deeply nested structure hierarchy - Pass.
+// Generate 'call_target' metadata for 'd0', 'd1', 'd2' and 'd3'.
+//---------------------------------------------------------------------
+struct CDeep {
+ struct CD1 {
+ struct CD2 {
+ struct CD3 {
----------------
CarlosAlbertoEnciso wrote:
The depth was relevant for the previous implementation (using a map).
Reduced the test case, as a nesting level of 2 is just fine.
https://github.com/llvm/llvm-project/pull/167666
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