42 lines
1.5 KiB
C
42 lines
1.5 KiB
C
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// REQUIRES: bpf-registered-target
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// RUN: %clang -target bpf -emit-llvm -S -g -Xclang -disable-llvm-passes %s -o - | FileCheck %s
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#define _(x, y) (__builtin_preserve_type_info((x), (y)))
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struct s {
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char a;
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};
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typedef int __int;
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enum AA {
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VAL1 = 1,
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VAL2 = 2,
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};
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unsigned unit1() {
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struct s v = {};
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return _(v, 0) + _(*(struct s *)0, 0);
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}
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// CHECK: call i32 @llvm.bpf.preserve.type.info(i32 0, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[STRUCT_S:[0-9]+]]
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// CHECK: call i32 @llvm.bpf.preserve.type.info(i32 1, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[STRUCT_S]]
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unsigned unit2() {
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__int n;
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return _(n, 1) + _(*(__int *)0, 1);
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}
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// CHECK: call i32 @llvm.bpf.preserve.type.info(i32 2, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_INT:[0-9]+]]
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// CHECK: call i32 @llvm.bpf.preserve.type.info(i32 3, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[TYPEDEF_INT]]
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unsigned unit3() {
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enum AA t;
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return _(t, 0) + _(*(enum AA *)0, 1);
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}
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// CHECK: call i32 @llvm.bpf.preserve.type.info(i32 4, i64 0), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ENUM_AA:[0-9]+]]
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// CHECK: call i32 @llvm.bpf.preserve.type.info(i32 5, i64 1), !dbg !{{[0-9]+}}, !llvm.preserve.access.index ![[ENUM_AA]]
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// CHECK: ![[ENUM_AA]] = !DICompositeType(tag: DW_TAG_enumeration_type, name: "AA"
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// CHECK: ![[TYPEDEF_INT]] = !DIDerivedType(tag: DW_TAG_typedef, name: "__int"
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// CHECK: ![[STRUCT_S]] = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "s"
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