1; RUN: %llc_dwarf -O0 -filetype=obj < %s > %t 2; RUN: llvm-dwarfdump %t | FileCheck %s 3 4; Also test that the null streamer doesn't crash with debug info. 5; RUN: %llc_dwarf -O0 -filetype=null < %s 6 7; generated from the following source compiled to bitcode with clang -g -O1 8; static int i; 9; int main() { 10; (void)&i; 11; } 12 13; CHECK: debug_info contents 14; CHECK: DW_TAG_variable 15 16source_filename = "test/DebugInfo/Generic/global.ll" 17 18; Function Attrs: nounwind readnone uwtable 19define i32 @main() #0 !dbg !9 { 20entry: 21 ret i32 0, !dbg !12 22} 23 24attributes #0 = { nounwind readnone uwtable "less-precise-fpmad"="false" "frame-pointer"="none" "no-infs-fp-math"="false" "no-nans-fp-math"="false" "unsafe-fp-math"="false" "use-soft-float"="false" } 25 26!llvm.dbg.cu = !{!0} 27!llvm.module.flags = !{!7, !8} 28 29!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) 30!1 = !DIFile(filename: "global.cpp", directory: "/tmp") 31!2 = !{} 32!3 = !{!4} 33!4 = !DIGlobalVariableExpression(var: !5, expr: !DIExpression()) 34!5 = !DIGlobalVariable(name: "i", linkageName: "_ZL1i", scope: null, file: !1, line: 1, type: !6, isLocal: true, isDefinition: true) 35!6 = !DIBasicType(name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 36!7 = !{i32 2, !"Dwarf Version", i32 3} 37!8 = !{i32 1, !"Debug Info Version", i32 3} 38!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) 39!10 = !DISubroutineType(types: !11) 40!11 = !{!6} 41!12 = !DILocation(line: 4, scope: !9) 42 43