| ; RUN: llc -mtriple=bpfel -filetype=obj %s -o %t | |
| ; RUN: llvm-objcopy --dump-section .BTF=- %t | %python %p/print_btf.py - | FileCheck %s | |
| ; | |
| ; Rust and other languages may emit array types with no DISubrange dimensions. | |
| ; Verify BTFDebug does not crash and emits a zero-length array. | |
| target datalayout = "e-m:e-p:64:64-i64:64-i128:128-n32:64-S128" | |
| define fastcc i1 @test() !dbg !4 { | |
| ret i1 false | |
| } | |
| ; CHECK: ARRAY '(anon)' {{.*}} nr_elems=0 | |
| !llvm.dbg.cu = !{!0} | |
| !llvm.module.flags = !{!3} | |
| !0 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !1, producer: "rustc", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, splitDebugInlining: false, nameTableKind: None) | |
| !1 = !DIFile(filename: "test.rs", directory: "/tmp") | |
| !2 = !{} | |
| !3 = !{i32 2, !"Debug Info Version", i32 3} | |
| !4 = distinct !DISubprogram(name: "test", scope: !1, file: !1, line: 1, type: !5, scopeLine: 1, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2) | |
| !5 = !DISubroutineType(types: !6) | |
| !6 = !{!7} | |
| !7 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !8, size: 64) | |
| !8 = distinct !DICompositeType(tag: DW_TAG_structure_type, name: "S", file: !1, size: 128, align: 64, elements: !9) | |
| !9 = !{!10} | |
| !10 = !DIDerivedType(tag: DW_TAG_member, name: "field", scope: !8, file: !1, baseType: !11, size: 64, align: 64) | |
| !11 = !DIDerivedType(tag: DW_TAG_pointer_type, baseType: !12, size: 64) | |
| !12 = !DICompositeType(tag: DW_TAG_array_type, baseType: !13, size: 384, align: 64, elements: !2) | |
| !13 = !DIBasicType(name: "usize", size: 64, encoding: DW_ATE_unsigned) |