54 lines
2.2 KiB
LLVM
54 lines
2.2 KiB
LLVM
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; RUN: opt -S -globalopt < %s | FileCheck %s
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; struct {
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; int f0;
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; } static a;
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; int main() {
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; a.f0++;
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; return 0;
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; }
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source_filename = "pr34390.c"
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target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128"
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target triple = "x86_64-apple-macosx10.12.0"
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%struct.anon = type { i32 }
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; CHECK: @a.0 = internal unnamed_addr global i32 0, align 4, !dbg ![[GVE:.*]]
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@a = internal global %struct.anon zeroinitializer, align 4, !dbg !0
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define i32 @main() #0 !dbg !15 {
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entry:
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%retval = alloca i32, align 4
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store i32 0, i32* %retval, align 4
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%0 = load i32, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i32 0, i32 0), align 4, !dbg !18
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%inc = add nsw i32 %0, 1, !dbg !18
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store i32 %inc, i32* getelementptr inbounds (%struct.anon, %struct.anon* @a, i32 0, i32 0), align 4, !dbg !18
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ret i32 0, !dbg !19
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}
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attributes #0 = { noinline nounwind optnone ssp uwtable }
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!llvm.dbg.cu = !{!2}
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!llvm.module.flags = !{!10, !11, !12, !13}
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; CHECK: ![[GVE]] = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!0 = !DIGlobalVariableExpression(var: !1, expr: !DIExpression())
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!1 = distinct !DIGlobalVariable(name: "a", scope: !2, file: !3, line: 3, type: !6, isLocal: true, isDefinition: true)
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!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)
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!3 = !DIFile(filename: "test.c", directory: "/")
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!4 = !{}
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!5 = !{!0}
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!6 = distinct !DICompositeType(tag: DW_TAG_structure_type, file: !3, line: 1, size: 32, elements: !7)
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!7 = !{!8}
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!8 = !DIDerivedType(tag: DW_TAG_member, name: "f0", scope: !6, file: !3, line: 2, baseType: !9, size: 32)
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!9 = !DIBasicType(name: "int", size: 32, encoding: DW_ATE_signed)
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!10 = !{i32 2, !"Dwarf Version", i32 4}
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!11 = !{i32 2, !"Debug Info Version", i32 3}
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!12 = !{i32 1, !"wchar_size", i32 4}
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!13 = !{i32 7, !"PIC Level", i32 2}
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!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)
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!16 = !DISubroutineType(types: !17)
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!17 = !{!9}
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!18 = !DILocation(line: 5, column: 7, scope: !15)
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!19 = !DILocation(line: 6, column: 3, scope: !15)
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