forked from OSchip/llvm-project
37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
// REQUIRES: bpf-registered-target
|
|
// RUN: %clang -target bpf -emit-llvm -S -g -Xclang -disable-llvm-passes %s -o - | FileCheck %s
|
|
|
|
#define __reloc__ __attribute__((preserve_access_index))
|
|
|
|
// chain of records, all with attributes
|
|
struct __reloc__ s1;
|
|
struct __reloc__ s2;
|
|
struct __reloc__ s3;
|
|
|
|
struct s1 {
|
|
int c;
|
|
};
|
|
typedef struct s1 __s1;
|
|
|
|
struct s2 {
|
|
union {
|
|
__s1 b[3];
|
|
};
|
|
};
|
|
typedef struct s2 __s2;
|
|
|
|
struct s3 {
|
|
__s2 a;
|
|
};
|
|
typedef struct s3 __s3;
|
|
|
|
int test(__s3 *arg) {
|
|
return arg->a.b[2].c;
|
|
}
|
|
|
|
// CHECK: call %struct.s2* @llvm.preserve.struct.access.index.p0s_struct.s2s.p0s_struct.s3s(%struct.s3* elementtype(%struct.s3) %{{[0-9a-z]+}}, i32 0, i32 0)
|
|
// CHECK: call %union.anon* @llvm.preserve.struct.access.index.p0s_union.anons.p0s_struct.s2s(%struct.s2* elementtype(%struct.s2) %{{[0-9a-z]+}}, i32 0, i32 0)
|
|
// CHECK: call %union.anon* @llvm.preserve.union.access.index.p0s_union.anons.p0s_union.anons(%union.anon* %{{[0-9a-z]+}}, i32 0)
|
|
// CHECK: call %struct.s1* @llvm.preserve.array.access.index.p0s_struct.s1s.p0a3s_struct.s1s([3 x %struct.s1]* elementtype([3 x %struct.s1]) %{{[0-9a-z]+}}, i32 1, i32 2)
|
|
// CHECK: call i32* @llvm.preserve.struct.access.index.p0i32.p0s_struct.s1s(%struct.s1* elementtype(%struct.s1) %{{[0-9a-z]+}}, i32 0, i32 0)
|