1*67e74705SXin Li // RUN: %clang_cc1 -triple x86_64-unknown-unknown -emit-llvm -o - %s | FileCheck %s
2*67e74705SXin Li
3*67e74705SXin Li struct s0 {
4*67e74705SXin Li int Start, End;
5*67e74705SXin Li unsigned Alignment;
6*67e74705SXin Li int TheStores __attribute__((aligned(16)));
7*67e74705SXin Li };
8*67e74705SXin Li
9*67e74705SXin Li // CHECK-LABEL: define void @f0
10*67e74705SXin Li // CHECK: alloca %struct.s0, align 16
f0()11*67e74705SXin Li extern "C" void f0() {
12*67e74705SXin Li (void) s0();
13*67e74705SXin Li }
14*67e74705SXin Li
15*67e74705SXin Li // CHECK-LABEL: define void @f1
16*67e74705SXin Li // CHECK: alloca %struct.s0, align 16
f1()17*67e74705SXin Li extern "C" void f1() {
18*67e74705SXin Li (void) (struct s0) { 0, 0, 0, 0 };
19*67e74705SXin Li }
20*67e74705SXin Li
21*67e74705SXin Li // CHECK-LABEL: define i32 @f2
22*67e74705SXin Li // CHECK: alloca %struct.s1, align 2
23*67e74705SXin Li struct s1 { short x; short y; };
f2(int a,struct s1 * x,struct s1 * y)24*67e74705SXin Li extern "C" struct s1 f2(int a, struct s1 *x, struct s1 *y) {
25*67e74705SXin Li if (a)
26*67e74705SXin Li return *x;
27*67e74705SXin Li return *y;
28*67e74705SXin Li }
29