If a virtual member function has the 'final' attribute, we can devirtualize calls to it.
llvm-svn: 117444
diff --git a/clang/test/CodeGenCXX/attr-final-devirtualize-virtual-function-calls.cpp b/clang/test/CodeGenCXX/attr-final-devirtualize-virtual-function-calls.cpp
new file mode 100644
index 0000000..b96cf04
--- /dev/null
+++ b/clang/test/CodeGenCXX/attr-final-devirtualize-virtual-function-calls.cpp
@@ -0,0 +1,13 @@
+// RUN: %clang_cc1 %s -O3 -emit-llvm -o - | FileCheck %s
+
+namespace Test1 {
+ struct A {
+ virtual int f() __attribute__((final)) { return 1; }
+ };
+
+ // CHECK: define i32 @_ZN5Test11fEPNS_1AE
+ int f(A* a) {
+ // CHECK: ret i32 1
+ return a->f();
+ }
+}