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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
10source_filename = "pr34390.c"
11target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
12target 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
19define i32 @main() #0 !dbg !15 {
20entry:
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
29attributes #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