1 // REQUIRES: bpf-registered-target
2 // RUN: %clang_cc1 -triple bpf -emit-llvm -debug-info-kind=limited -disable-llvm-passes %s -o - | FileCheck %s
3
4 #define __reloc__ __attribute__((preserve_access_index))
5
6 // test array access
7 struct s1 {
8 int a[3];
9 union {
10 int b;
11 int c[4];
12 };
13 } __reloc__;
14 typedef struct s1 __s1;
15
test(__s1 * arg)16 int test(__s1 *arg) {
17 return arg->a[2] + arg->c[2];
18 }
19
20 // CHECK: call ptr @llvm.preserve.struct.access.index.p0.p0(ptr elementtype(%struct.s1) %{{[0-9a-z]+}}, i32 0, i32 0)
21 // CHECK: call ptr @llvm.preserve.array.access.index.p0.p0(ptr elementtype([3 x i32]) %{{[0-9a-z]+}}, i32 1, i32 2)
22 // CHECK: call ptr @llvm.preserve.struct.access.index.p0.p0(ptr elementtype(%struct.s1) %{{[0-9a-z]+}}, i32 1, i32 1)
23 // CHECK: call ptr @llvm.preserve.union.access.index.p0.p0(ptr %{{[0-9a-z]+}}, i32 1)
24 // CHECK: call ptr @llvm.preserve.array.access.index.p0.p0(ptr elementtype([4 x i32]) %{{[0-9a-z]+}}, i32 1, i32 2)
25