r223056 - Add a test for devirtualization of virtual operator calls.

[Nico Weber]

Author: nico
Date: Mon Dec  1 11:48:04 2014
New Revision: 223056

URL: http://llvm.org/viewvc/llvm-project?rev=223056&view=rev
Log:
Add a test for devirtualization of virtual operator calls.

There was no test coverage for this before: Modifiying
EmitCXXOperatorMemberCallee() to not call CanDevirtualizeMemberFunctionCall()
didn't make any test fail.

Modified:
    cfe/trunk/test/CodeGenCXX/virtual-operator-call.cpp

Modified: cfe/trunk/test/CodeGenCXX/virtual-operator-call.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/CodeGenCXX/virtual-operator-call.cpp?rev=223056&r1=223055&r2=223056&view=diff
==============================================================================
--- cfe/trunk/test/CodeGenCXX/virtual-operator-call.cpp (original)
+++ cfe/trunk/test/CodeGenCXX/virtual-operator-call.cpp Mon Dec  1 11:48:04 2014
@@ -1,10 +1,13 @@
 // RUN: %clang_cc1 %s -triple i386-unknown-unknown -emit-llvm -o - | FileCheck %s
 
 struct A {
-  virtual int operator-() = 0;
+  virtual int operator-();
 };
 
-void f(A *a) {
+void f(A a, A *ap) {
+  // CHECK: call i32 @_ZN1AngEv(%struct.A* %a)
+  -a;
+
   // CHECK: call i32 %
-  -*a;
+  -*ap;
 }