24 lines · c
1// REQUIRES: bpf-registered-target2// RUN: %clang_cc1 -triple bpf -emit-llvm -debug-info-kind=limited -disable-llvm-passes %s -o - | FileCheck %s3 4#define __reloc__ __attribute__((preserve_access_index))5 6// test simple member access and initial struct with non-zero stride access7struct s1 {8 int a;9 union {10 int b;11 int c;12 };13} __reloc__;14typedef struct s1 __s1;15 16int test(__s1 *arg) {17 return arg->a + arg[1].b;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(%struct.s1) %{{[0-9a-z]+}}, i32 0, i32 1)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 0)24