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Diffstat (limited to 'clang/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp')
-rw-r--r--clang/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp55
1 files changed, 55 insertions, 0 deletions
diff --git a/clang/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp b/clang/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp
new file mode 100644
index 0000000..5eede66
--- /dev/null
+++ b/clang/test/CodeGenCXX/devirtualize-virtual-function-calls.cpp
@@ -0,0 +1,55 @@
+// RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
+
+struct A {
+ virtual void f();
+ virtual void f_const() const;
+
+ A h();
+};
+
+A g();
+
+void f(A a, A *ap, A& ar) {
+ // This should not be a virtual function call.
+
+ // CHECK: call void @_ZN1A1fEv(%struct.A* %a)
+ a.f();
+
+ // CHECK: call void %
+ ap->f();
+
+ // CHECK: call void %
+ ar.f();
+
+ // CHECK: call void @_ZN1A1fEv
+ A().f();
+
+ // CHECK: call void @_ZN1A1fEv
+ g().f();
+
+ // CHECK: call void @_ZN1A1fEv
+ a.h().f();
+
+ // CHECK: call void @_ZNK1A7f_constEv
+ a.f_const();
+
+ // CHECK: call void @_ZN1A1fEv
+ (a).f();
+}
+
+struct B {
+ virtual void f();
+ ~B();
+
+ B h();
+};
+
+
+void f() {
+ // CHECK: call void @_ZN1B1fEv
+ B().f();
+
+ // CHECK: call void @_ZN1B1fEv
+ B().h().f();
+}
+