1; RUN: %llc_dwarf -filetype=obj -o - %s | llvm-dwarfdump -| FileCheck --implicit-check-not=DW_TAG --implicit-check-not=NULL %s 2; CHECK: DW_TAG_compile_unit 3; CHECK: DW_AT_language (DW_LANG_Rust) 4; CHECK: DW_TAG_namespace 5; CHECK: DW_TAG_enumeration_type 6; CHECK: DW_AT_type (0x{{[0-9A-Fa-f]+}} "u8") 7; CHECK: DW_AT_name ("E") 8; CHECK: DW_TAG_enumerator 9; CHECK: DW_TAG_enumerator 10; CHECK: DW_TAG_subprogram 11; CHECK: DW_AT_name ("f") 12; CHECK: DW_TAG_formal_parameter 13; CHECK: NULL 14; CHECK: NULL 15; CHECK: NULL 16; CHECK: DW_TAG_base_type 17; CHECK: DW_AT_name ("u8") 18; CHECK: DW_TAG_pointer_type 19; CHECK: NULL 20 21; This file comes from rustc output, with the input program 22; pub enum E { A, B } 23; impl E { 24; pub fn f(&self) {} 25; } 26; compiled with `rustc --crate-type=lib a.rs --emit llvm-ir -g` and 27; copying the resulting `a.ll` file to here. This was done with rustc 28; at nightly from 2021-09-28 (git 8f8092cc3), but rustc 1.57 should 29; produce similar or identical output. 30 31; ModuleID = 'a.a146b597-cgu.0' 32source_filename = "a.a146b597-cgu.0" 33target datalayout = "e-m:o-p270:32:32-p271:32:32-p272:64:64-i64:64-f80:128-n8:16:32:64-S128" 34target triple = "x86_64-apple-macosx10.7.0" 35 36; a::E::f 37; Function Attrs: uwtable 38define void @_ZN1a1E1f17h4fcb50ce732fb2a7E(ptr align 1 dereferenceable(1) %self) unnamed_addr #0 !dbg !13 { 39start: 40 %self.dbg.spill = alloca ptr, align 8 41 store ptr %self, ptr %self.dbg.spill, align 8 42 call void @llvm.dbg.declare(metadata ptr %self.dbg.spill, metadata !19, metadata !DIExpression()), !dbg !21 43 ret void, !dbg !22 44} 45 46; Function Attrs: nofree nosync nounwind readnone speculatable willreturn 47declare void @llvm.dbg.declare(metadata, metadata, metadata) #1 48 49attributes #0 = { uwtable "frame-pointer"="all" "probe-stack"="__rust_probestack" "target-cpu"="core2" } 50attributes #1 = { nofree nosync nounwind readnone speculatable willreturn } 51 52!llvm.module.flags = !{!0, !1, !2} 53!llvm.dbg.cu = !{!3} 54 55!0 = !{i32 7, !"PIC Level", i32 2} 56!1 = !{i32 2, !"Dwarf Version", i32 2} 57!2 = !{i32 2, !"Debug Info Version", i32 3} 58!3 = distinct !DICompileUnit(language: DW_LANG_Rust, file: !4, producer: "clang LLVM (rustc version 1.57.0-nightly (8f8092cc3 2021-09-28))", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !5) 59!4 = !DIFile(filename: "a.rs/@/a.a146b597-cgu.0", directory: "/Users/augie") 60!5 = !{!6} 61!6 = !DICompositeType(tag: DW_TAG_enumeration_type, name: "E", scope: !8, file: !7, baseType: !9, size: 8, align: 8, flags: DIFlagEnumClass, elements: !10) 62!7 = !DIFile(filename: "<unknown>", directory: "") 63!8 = !DINamespace(name: "a", scope: null) 64!9 = !DIBasicType(name: "u8", size: 8, encoding: DW_ATE_unsigned) 65!10 = !{!11, !12} 66!11 = !DIEnumerator(name: "A", value: 0) 67!12 = !DIEnumerator(name: "B", value: 1) 68!13 = distinct !DISubprogram(name: "f", linkageName: "_ZN1a1E1f17h4fcb50ce732fb2a7E", scope: !6, file: !14, line: 3, type: !15, scopeLine: 3, flags: DIFlagPrototyped, spFlags: DISPFlagDefinition, unit: !3, templateParams: !20, retainedNodes: !18) 69!14 = !DIFile(filename: "a.rs", directory: "/Users/augie", checksumkind: CSK_MD5, checksum: "ab4ce84c27ef6fd0be1ef78e8131faa8") 70!15 = !DISubroutineType(types: !16) 71!16 = !{null, !17} 72!17 = !DIDerivedType(tag: DW_TAG_pointer_type, name: "&E", baseType: !6, size: 64, align: 64, dwarfAddressSpace: 0) 73!18 = !{!19} 74!19 = !DILocalVariable(name: "self", arg: 1, scope: !13, file: !14, line: 3, type: !17) 75!20 = !{} 76!21 = !DILocation(line: 3, column: 14, scope: !13) 77!22 = !DILocation(line: 3, column: 23, scope: !13) 78