52 lines
1.8 KiB
LLVM
52 lines
1.8 KiB
LLVM
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; RUN: opt -hotcoldsplit -hotcoldsplit-threshold=0 -S < %s | FileCheck %s
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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-macosx10.14.0"
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; CHECK-LABEL: define {{.*}}@foo(
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; CHECK-NOT: call {{.*}}llvm.dbg.value
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; CHECK-LABEL: define {{.*}}@foo.cold
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; CHECK-NOT: call {{.*}}llvm.dbg.value
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define void @foo() !dbg !6 {
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entry:
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br i1 undef, label %if.then, label %if.end
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if.then: ; preds = %entry
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br label %cleanup
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if.end: ; preds = %entry
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; We expect this block to be outlined. That kills the definition of %var.
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%var = add i32 0, 0, !dbg !11
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call void @sink()
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br label %cleanup
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cleanup:
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; This dbg.value should be deleted after outlining, otherwise the verifier
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; complains about function-local metadata being used outside of a function.
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call void @llvm.dbg.value(metadata i32 %var, metadata !9, metadata !DIExpression()), !dbg !11
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ret void
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}
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declare void @llvm.dbg.value(metadata, metadata, metadata)
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declare void @sink() cold
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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: "<stdin>", directory: "/")
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!2 = !{}
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!3 = !{i32 7}
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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, isLocal: false, isDefinition: true, scopeLine: 1, isOptimized: true, 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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