1 // RUN: %clang -target x86_64 -emit-llvm -S -g %s -o - | FileCheck %s 2 3 #define _(x) (__builtin_preserve_access_index(x)) 4 5 struct s1 { 6 char a; 7 int b[4]; 8 }; 9 10 const void *unit1(struct s1 *arg) { 11 return _(&arg->b[2]); 12 } 13 // CHECK: define dso_local i8* @unit1 14 // CHECK: call [4 x i32]* @llvm.preserve.struct.access.index.p0a4i32.p0s_struct.s1s(%struct.s1* %{{[0-9a-z]+}}, i32 1, i32 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[STRUCT_S1:[0-9]+]] 15 // CHECK: call i32* @llvm.preserve.array.access.index.p0i32.p0a4i32([4 x i32]* %{{[0-9a-z]+}}, i32 1, i32 2), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ARRAY:[0-9]+]] 16 // 17 // CHECK: ![[ARRAY]] = !DICompositeType(tag: DW_TAG_array_type 18 // CHECK: ![[STRUCT_S1]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s1" 19