clang/test/CodeGenCXX/move-assignment.cpp

   1 // RUN: %clang_cc1 -emit-llvm -std=c++11 -o - %s -triple x86_64-pc-linux-gnu | FileCheck %s
   2
   3 struct A {
   4   A &operator=(A&&);
   5 };
   6
   7 struct B {
   8   A a;
   9   int i;
  10   bool b;
  11   char c;
  12   long l;
  13   float f;
  14 };
  15
  16 void test1() {
  17   B b1, b2;
  18   b1 = static_cast<B&&>(b2);
  19 }
  20
  21 // CHECK-LABEL: define {{.*}} @_ZN1BaSEOS_
  22 // CHECK: call {{.*}} @_ZN1AaSEOS_
  23 // CHECK-NOT: store
  24 // CHECK: call {{.*}}memcpy{{.*}}, i64 24
  25 // CHECK-NOT: store
  26 // CHECK: ret