1; RUN: llvm-link %s %p/2011-08-04-Metadata2.ll -o %t.bc 2; RUN: llvm-dis < %t.bc | FileCheck %s 3; Test if internal global variable's debug info is merged appropriately or not. 4 5; CHECK: !DIGlobalVariable(name: "x", 6; CHECK-NOT: linkageName: 7; CHECK-SAME: variable: i32* @x{{[,)]}} 8; CHECK: !DIGlobalVariable(name: "x", 9; CHECK-NOT: linkageName: 10; CHECK-SAME: variable: i32* @x.1{{[,)]}} 11target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64" 12target triple = "x86_64-apple-macosx10.7.0" 13 14@x = internal global i32 0, align 4 15 16define void @foo() nounwind uwtable ssp !dbg !1 { 17entry: 18 store i32 1, i32* @x, align 4, !dbg !7 19 ret void, !dbg !7 20} 21 22!llvm.dbg.cu = !{!0} 23!llvm.module.flags = !{!11} 24 25!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.0 ()", isOptimized: true, emissionKind: FullDebug, file: !9, enums: !{}, retainedTypes: !{}, globals: !{!5}) 26!1 = distinct !DISubprogram(name: "foo", line: 3, isLocal: false, isDefinition: true, virtualIndex: 6, isOptimized: false, unit: !0, file: !9, scope: !2, type: !3) 27!2 = !DIFile(filename: "/tmp/one.c", directory: "/Volumes/Lalgate/Slate/D") 28!3 = !DISubroutineType(types: !4) 29!4 = !{null} 30!5 = !DIGlobalVariable(name: "x", line: 2, isLocal: true, isDefinition: true, scope: !0, file: !2, type: !6, variable: i32* @x) 31!6 = !DIBasicType(tag: DW_TAG_base_type, name: "int", size: 32, align: 32, encoding: DW_ATE_signed) 32!7 = !DILocation(line: 3, column: 14, scope: !8) 33!8 = distinct !DILexicalBlock(line: 3, column: 12, file: !9, scope: !1) 34!9 = !DIFile(filename: "/tmp/one.c", directory: "/Volumes/Lalgate/Slate/D") 35!11 = !{i32 1, !"Debug Info Version", i32 3} 36