diff options
Diffstat (limited to 'clang/test/CodeGen/builtin-preserve-access-index-array.c')
-rw-r--r-- | clang/test/CodeGen/builtin-preserve-access-index-array.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/clang/test/CodeGen/builtin-preserve-access-index-array.c b/clang/test/CodeGen/builtin-preserve-access-index-array.c new file mode 100644 index 00000000000..a449b2845d4 --- /dev/null +++ b/clang/test/CodeGen/builtin-preserve-access-index-array.c @@ -0,0 +1,18 @@ +// RUN: %clang -target x86_64 -emit-llvm -S -g %s -o - | FileCheck %s + +#define _(x) (__builtin_preserve_access_index(x)) + +struct s1 { + char a; + int b[4]; +}; + +const void *unit1(struct s1 *arg) { + return _(&arg->b[2]); +} +// CHECK: define dso_local i8* @unit1 +// 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]+]] +// 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]+]] +// +// CHECK: ![[ARRAY]] = !DICompositeType(tag: DW_TAG_array_type +// CHECK: ![[STRUCT_S1]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s1" |