member-function-pointers.cpp revision f57b4e44d03266f2ec1b427645555ed8952bc830 
1// RUN: clang-cc %s -emit-llvm -o - -triple=x86_64-apple-darwin9 | FileCheck %s
2
3struct A { int a; void f(); virtual void vf(); };
4struct B { int b; virtual void g(); };
5struct C : B, A { };
6
7void (A::*pa)();
8void (A::*volatile vpa)();
9void (B::*pb)();
10void (C::*pc)();
11
12// CHECK: @pa2 = global %0 { i64 ptrtoint (void ()* @_ZN1A1fEv to i64), i64 0 }, align 8
13void (A::*pa2)() = &A::f;
14
15// CHECK: @pa3 = global %0 { i64 1, i64 0 }, align 8
16void (A::*pa3)() = &A::vf;
17
18void f() {
19  // CHECK: store i64 0, i64* getelementptr inbounds (%0* @pa, i32 0, i32 0)
20  // CHECK: store i64 0, i64* getelementptr inbounds (%0* @pa, i32 0, i32 1)
21  pa = 0;
22
23  // CHECK: volatile store i64 0, i64* getelementptr inbounds (%0* @vpa, i32 0, i32 0)
24  // CHECK: volatile store i64 0, i64* getelementptr inbounds (%0* @vpa, i32 0, i32 1)
25  vpa = 0;
26
27  // CHECK: store i64 %0, i64* getelementptr inbounds (%0* @pc, i32 0, i32 0)
28  // CHECK: [[ADJ:%[a-zA-Z0-9]+]] = add i64 %1, 16
29  // CHECK: store i64 [[ADJ]], i64* getelementptr inbounds (%0* @pc, i32 0, i32 1)
30  pc = pa;
31}
32