forked from OSchip/llvm-project
61 lines
2.2 KiB
LLVM
61 lines
2.2 KiB
LLVM
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; RUN: opt -S -gvn-hoist < %s | FileCheck %s
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; Check that the debug info is dropped as per the debug info update guide
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@G = external global i32, align 4
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; CHECK-LABEL: @foo
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; CHECK-NOT: store {{.*}}dbg
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define void @foo(i32 %c1) !dbg !6 {
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entry:
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call void @llvm.dbg.value(metadata i32 0, metadata !9, metadata !DIExpression()), !dbg !11
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switch i32 %c1, label %exit1 [
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i32 0, label %sw0
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i32 1, label %sw1
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], !dbg !11
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sw0: ; preds = %entry
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store i32 1, i32* @G, align 4, !dbg !12
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br label %exit, !dbg !13
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sw1: ; preds = %entry
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store i32 1, i32* @G, align 4, !dbg !14
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br label %exit, !dbg !15
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exit1: ; preds = %entry
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store i32 1, i32* @G, align 4, !dbg !16
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ret void, !dbg !17
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exit: ; preds = %sw1, %sw0
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ret void, !dbg !18
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}
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; Function Attrs: nofree nosync nounwind readnone speculatable willreturn
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declare void @llvm.dbg.value(metadata, metadata, metadata) #0
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attributes #0 = { nofree nosync nounwind readnone speculatable willreturn }
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!llvm.dbg.cu = !{!0}
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!llvm.debugify = !{!3, !4}
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!llvm.module.flags = !{!5}
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!0 = distinct !DICompileUnit(language: DW_LANG_C, file: !1, producer: "debugify", isOptimized: true, runtimeVersion: 0, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "abc.ll", directory: "/")
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!2 = !{}
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!3 = !{i32 8}
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!4 = !{i32 1}
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!5 = !{i32 2, !"Debug Info Version", i32 3}
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!6 = distinct !DISubprogram(name: "foo", linkageName: "foo", scope: null, file: !1, line: 1, type: !7, scopeLine: 1, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !8)
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!7 = !DISubroutineType(types: !2)
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!8 = !{!9}
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!9 = !DILocalVariable(name: "1", scope: !6, file: !1, line: 1, type: !10)
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!10 = !DIBasicType(name: "ty32", size: 32, encoding: DW_ATE_unsigned)
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!11 = !DILocation(line: 1, column: 1, scope: !6)
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!12 = !DILocation(line: 2, column: 1, scope: !6)
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!13 = !DILocation(line: 3, column: 1, scope: !6)
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!14 = !DILocation(line: 4, column: 1, scope: !6)
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!15 = !DILocation(line: 5, column: 1, scope: !6)
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!16 = !DILocation(line: 6, column: 1, scope: !6)
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!17 = !DILocation(line: 7, column: 1, scope: !6)
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!18 = !DILocation(line: 8, column: 1, scope: !6)
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