1// RUN: %clang_cc1 %s -emit-llvm -o - -O0 | FileCheck %s
2
3void foo(event_t evt);
4
5void kernel ker() {
6  event_t e;
7// CHECK: alloca %opencl.event_t*,
8  foo(e);
9// CHECK: call {{.*}}void @foo(%opencl.event_t* %
10  foo(0);
11// CHECK: call {{.*}}void @foo(%opencl.event_t* null)
12  foo((event_t)0);
13// CHECK: call {{.*}}void @foo(%opencl.event_t* null)
14}
15