xref: /aosp_15_r20/external/clang/test/CodeGen/pr4349.c (revision 67e74705e28f6214e480b399dd47ea732279e315)
1*67e74705SXin Li // RUN: %clang_cc1 %s -emit-llvm -o - | FileCheck %s
2*67e74705SXin Li // PR 4349
3*67e74705SXin Li 
4*67e74705SXin Li union reg
5*67e74705SXin Li {
6*67e74705SXin Li     unsigned char b[2][2];
7*67e74705SXin Li     unsigned short w[2];
8*67e74705SXin Li     unsigned int d;
9*67e74705SXin Li };
10*67e74705SXin Li struct cpu
11*67e74705SXin Li {
12*67e74705SXin Li     union reg pc;
13*67e74705SXin Li };
14*67e74705SXin Li extern struct cpu cpu;
15*67e74705SXin Li struct svar
16*67e74705SXin Li {
17*67e74705SXin Li     void *ptr;
18*67e74705SXin Li };
19*67e74705SXin Li // CHECK: @svars1 = global [1 x %struct.svar] [%struct.svar { i8* bitcast (%struct.cpu* @cpu to i8*) }]
20*67e74705SXin Li struct svar svars1[] =
21*67e74705SXin Li {
22*67e74705SXin Li     { &((cpu.pc).w[0]) }
23*67e74705SXin Li };
24*67e74705SXin Li // CHECK: @svars2 = global [1 x %struct.svar] [%struct.svar { i8* getelementptr (i8, i8* bitcast (%struct.cpu* @cpu to i8*), i64 1) }]
25*67e74705SXin Li struct svar svars2[] =
26*67e74705SXin Li {
27*67e74705SXin Li     { &((cpu.pc).b[0][1]) }
28*67e74705SXin Li };
29*67e74705SXin Li // CHECK: @svars3 = global [1 x %struct.svar] [%struct.svar { i8* getelementptr (i8, i8* bitcast (%struct.cpu* @cpu to i8*), i64 2) }]
30*67e74705SXin Li struct svar svars3[] =
31*67e74705SXin Li {
32*67e74705SXin Li     { &((cpu.pc).w[1]) }
33*67e74705SXin Li };
34*67e74705SXin Li // CHECK: @svars4 = global [1 x %struct.svar] [%struct.svar { i8* getelementptr (i8, i8* bitcast (%struct.cpu* @cpu to i8*), i64 3) }]
35*67e74705SXin Li struct svar svars4[] =
36*67e74705SXin Li {
37*67e74705SXin Li     { &((cpu.pc).b[1][1]) }
38*67e74705SXin Li };
39