1; REQUIRES: object-emission 2 3; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 4; RUN: llvm-dwarfdump %t | FileCheck %s 5 6; Also test that the null streamer doesn't crash with debug info. 7; RUN: %llc_dwarf -O0 -filetype=null < %s 8 9; generated from the following source compiled to bitcode with clang -g -O1 10; static int i; 11; int main() { 12; (void)&i; 13; } 14 15; CHECK: debug_info contents 16; CHECK: DW_TAG_variable 17 18source_filename = "test/DebugInfo/Generic/global.ll" 19 20; Function Attrs: nounwind readnone uwtable 21define i32 @main() #0 !dbg !9 { 22entry: 23 ret i32 0, !dbg !12 24} 25 26attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "no-frame-pointer-elim"="false" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 27 28!llvm.dbg.cu = !{!0} 29!llvm.module.flags = !{!7, !8} 30 31!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus, file: !1, producer: "clang version 3.4 ", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2, retainedTypes: !2, globals: !3, imports: !2) 32!1 = !DIFile(filename: "global.cpp", directory: "/tmp") 33!2 = !{} 34!3 = !{!4} 35!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression()) 36!5 = !DIGlobalVariable(name: "i", linkageName: "_ZL1i", scope: null, file: !1, line: 1, type: !6, isLocal: true, isDefinition: true) 37!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 38!7 = !{i32 2, !"Dwarf Version", i32 3} 39!8 = !{i32 1, !"Debug Info Version", i32 3} 40!9 = distinct !DISubprogram(name: "main", scope: !1, file: !1, line: 2, type: !10, isLocal: false, isDefinition: true, scopeLine: 2, virtualIndex: 6, flags: DIFlagPrototyped, isOptimized: true, unit: !0, retainedNodes: !2) 41!10 = !DISubroutineType(types: !11) 42!11 = !{!6} 43!12 = !DILocation(line: 4, scope: !9) 44 45