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      1 ; RUN: opt -S -globalopt < %s | FileCheck %s
      2 ; struct {
      3 ;   int f0;
      4 ; } static a;
      5 ; int main() {
      6 ;   a.f0++;
      7 ;   return 0;
      8 ; }
      9 
     10 source_filename = "pr34390.c"
     11 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
     12 target triple = "x86_64-apple-macosx10.12.0"
     13 
     14 %struct.anon = type { i32 }
     15 
     16 ; CHECK: @a.0 = internal unnamed_addr global i32 0, align 4, !dbg ![[GVE:.*]]
     17 @a = internal global %struct.anon zeroinitializer, align 4, !dbg !0
     18 
     19 define i32 @main() #0 !dbg !15 {
     20 entry:
     21   %retval = alloca i32, align 4
     22   store i32 0, i32* %retval, align 4
     23   %0 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i32 0, i32 0), align 4, !dbg !18
     24   %inc = add nsw i32 %0, 1, !dbg !18
     25   store i32 %inc, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i32 0, i32 0), align 4, !dbg !18
     26   ret i32 0, !dbg !19
     27 }
     28 
     29 attributes #0 = { noinline nounwind optnone ssp uwtable }
     30 
     31 !llvm.dbg.cu = !{!2}
     32 !llvm.module.flags = !{!10, !11, !12, !13}
     33 
     34 ; CHECK: ![[GVE]] = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
     35 !0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
     36 !1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 3, type: !6, isLocal: true, isDefinition: true)
     37 !2 = distinct !DICompileUnit(language: DW_LANG_C99, file: !3, producer: "clang version 6.0.0 (trunk 312175) (llvm/trunk 312146)", isOptimized: false, runtimeVersion: 0, emissionKind: FullDebug, enums: !4, globals: !5)
     38 !3 = !DIFile(filename: "test.c", directory: "/")
     39 !4 = !{}
     40 !5 = !{!0}
     41 !6 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !3, line: 1, size: 32, elements: !7)
     42 !7 = !{!8}
     43 !8 = !DIDerivedType(tag: DW_TAG_member, name: "f0", scope: !6, file: !3, line: 2, baseType: !9, size: 32)
     44 !9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
     45 !10 = !{i32 2, !"Dwarf Version", i32 4}
     46 !11 = !{i32 2, !"Debug Info Version", i32 3}
     47 !12 = !{i32 1, !"wchar_size", i32 4}
     48 !13 = !{i32 7, !"PIC Level", i32 2}
     49 !15 = distinct !DISubprogram(name: "main", scope: !3, file: !3, line: 4, type: !16, isLocal: false, isDefinition: true, scopeLine: 4, isOptimized: false, unit: !2, retainedNodes: !4)
     50 !16 = !DISubroutineType(types: !17)
     51 !17 = !{!9}
     52 !18 = !DILocation(line: 5, column: 7, scope: !15)
     53 !19 = !DILocation(line: 6, column: 3, scope: !15)
     54