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1; RUN: llc %s -filetype=obj -o - | llvm-dwarfdump -v --debug-info - | FileCheck %s2; CHECK: DW_TAG_variable3; CHECK-NEXT: DW_AT_location [DW_FORM_exprloc] (DW_OP_fbreg +0)4; CHECK-NEXT: DW_AT_name {{.*}}"i"5 6target datalayout = "e-m:e-p:32:32-i64:64-f80:128-n8:16:32:64-S128"7target triple = "x86_64-apple-darwin"8 9; Function Attrs: nounwind uwtable10declare i32 @foo(i32 %i) #011 12; Function Attrs: nounwind readnone13declare void @llvm.dbg.declare(metadata, metadata, metadata) #114 15; Function Attrs: nounwind uwtable16define i32 @main() #0 !dbg !9 {17entry:18 %retval = alloca i32, align 419 %i = alloca i32, align 420 store i32 0, ptr %retval21 call void @llvm.dbg.declare(metadata ptr %i, metadata !20, metadata !16), !dbg !2122 store i32 20, ptr %i, align 4, !dbg !2123 %0 = load i32, ptr %i, align 4, !dbg !2224 %call = call i32 @foo(i32 %0), !dbg !2325 ret i32 %call, !dbg !2426}27 28attributes #0 = { nounwind uwtable }29attributes #1 = { nounwind readnone }30 31!llvm.dbg.cu = !{!0}32!llvm.module.flags = !{!12, !13}33!llvm.ident = !{!14}34 35!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.7.0", isOptimized: false, emissionKind: FullDebug, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)36!1 = !DIFile(filename: "x.c", directory: "")37!2 = !{}38!4 = distinct !DISubprogram(name: "foo", line: 2, isLocal: false, isDefinition: true, flags: DIFlagPrototyped, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, retainedNodes: !2)39!5 = !DIFile(filename: "x.c", directory: "")40!6 = !DISubroutineType(types: !7)41!7 = !{!8, !8}42!8 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed)43!9 = distinct !DISubprogram(name: "main", line: 8, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 9, file: !1, scope: !5, type: !10, retainedNodes: !2)44!10 = !DISubroutineType(types: !11)45!11 = !{!8}46!12 = !{i32 2, !"Dwarf Version", i32 4}47!13 = !{i32 2, !"Debug Info Version", i32 3}48!14 = !{!"clang version 3.7.0"}49!15 = !DILocalVariable(name: "i", line: 2, arg: 1, scope: !4, file: !5, type: !8)50!16 = !DIExpression()51!17 = !DILocation(line: 2, column: 10, scope: !4)52!18 = !DILocation(line: 4, column: 10, scope: !4)53!19 = !DILocation(line: 4, column: 3, scope: !4)54!20 = !DILocalVariable(name: "i", line: 10, scope: !9, file: !5, type: !8)55!21 = !DILocation(line: 10, column: 7, scope: !9)56!22 = !DILocation(line: 11, column: 15, scope: !9)57!23 = !DILocation(line: 11, column: 10, scope: !9)58!24 = !DILocation(line: 11, column: 3, scope: !9)59