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[Clang][BPF] Add tests for btf_type_tag c2x-style attributes #133666

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Merged
merged 1 commit into from
Apr 2, 2025
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[Clang][BPF] Add tests for btf_type_tag c2x-style attributes #133666

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17 changes: 15 additions & 2 deletions clang/test/CodeGen/attr-btf_type_tag-similar-type.c
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Original file line number Diff line number Diff line change
@@ -1,8 +1,21 @@
// RUN: %clang_cc1 -triple %itanium_abi_triple -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple %itanium_abi_triple -DDOUBLE_BRACKET_ATTRS=1 -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s

#if DOUBLE_BRACKET_ATTRS
#define __tag1 [[clang::btf_type_tag("tag1")]]
#define __tag2 [[clang::btf_type_tag("tag2")]]
#define __tag3 [[clang::btf_type_tag("tag3")]]
#define __tag4 [[clang::btf_type_tag("tag4")]]
#else
#define __tag1 __attribute__((btf_type_tag("tag1")))
#define __tag2 __attribute__((btf_type_tag("tag2")))
#define __tag3 __attribute__((btf_type_tag("tag3")))
#define __tag4 __attribute__((btf_type_tag("tag4")))
#endif

struct map_value {
int __attribute__((btf_type_tag("tag1"))) __attribute__((btf_type_tag("tag3"))) *a;
int __attribute__((btf_type_tag("tag2"))) __attribute__((btf_type_tag("tag4"))) *b;
int __tag1 __tag3 *a;
int __tag2 __tag4 *b;
};

struct map_value *func(void);
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8 changes: 7 additions & 1 deletion clang/test/CodeGen/attr-btf_type_tag-typedef-field.c
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Original file line number Diff line number Diff line change
@@ -1,7 +1,13 @@
// RUN: %clang_cc1 -triple %itanium_abi_triple -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s
// RUN: %clang_cc1 -triple %itanium_abi_triple -DDOUBLE_BRACKET_ATTRS=1 -debug-info-kind=limited -emit-llvm -o - %s | FileCheck %s

#if DOUBLE_BRACKET_ATTRS
#define __tag1 [[clang::btf_type_tag("tag1")]]
#define __tag2 [[clang::btf_type_tag("tag2")]]
#else
#define __tag1 __attribute__((btf_type_tag("tag1")))
#define __tag2 __attribute__((btf_type_tag("tag2")))
#endif

typedef void __fn_t(int);
typedef __fn_t __tag1 __tag2 *__fn2_t;
Expand Down Expand Up @@ -31,5 +37,5 @@ int *foo1(struct t *a1) {
// CHECK: ![[L28]] = !DISubroutineType(types: ![[L29:[0-9]+]])
// CHECK: ![[L29]] = !{null, ![[L4]]}
// CHECK: ![[L30]] = !{![[L21]], ![[L23]]}
// CHECK: ![[L31]] = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: ![[#]], file: ![[#]], line: [[#]]1, baseType: ![[L32:[0-9]+]]
// CHECK: ![[L31]] = !DIDerivedType(tag: DW_TAG_member, name: "c", scope: ![[#]], file: ![[#]], line: [[#]], baseType: ![[L32:[0-9]+]]
// CHECK: ![[L32]] = !DIBasicType(name: "long", size: [[#]], encoding: DW_ATE_signed)