| // 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)) |
| |
| // test array access |
| struct s1 { |
| int a[3]; |
| union { |
| int b; |
| int c[4]; |
| }; |
| } __reloc__; |
| typedef struct s1 __s1; |
| |
| int test(__s1 *arg) { |
| return arg->a[2] + arg->c[2]; |
| } |
| |
| // CHECK: call [3 x i32]* @llvm.preserve.struct.access.index.p0a3i32.p0s_struct.s1s(%struct.s1* %{{[0-9a-z]+}}, i32 0, i32 0) |
| // CHECK: call i32* @llvm.preserve.array.access.index.p0i32.p0a3i32([3 x i32]* %{{[0-9a-z]+}}, i32 1, i32 2) |
| // CHECK: call %union.anon* @llvm.preserve.struct.access.index.p0s_union.anons.p0s_struct.s1s(%struct.s1* %{{[0-9a-z]+}}, i32 1, i32 1) |
| // CHECK: call %union.anon* @llvm.preserve.union.access.index.p0s_union.anons.p0s_union.anons(%union.anon* %{{[0-9a-z]+}}, i32 1) |
| // CHECK: call i32* @llvm.preserve.array.access.index.p0i32.p0a4i32([4 x i32]* %{{[0-9a-z]+}}, i32 1, i32 2) |