35 lines
1.3 KiB
LLVM
35 lines
1.3 KiB
LLVM
; RUN: mkdir -p %t && cd %t
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; RUN: opt < %s -S -passes=insert-gcov-profiling | FileCheck %s
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target triple = "x86_64-unknown-linux-gnu"
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define dso_local void @empty() !dbg !5 {
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entry:
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ret void, !dbg !8
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4, !9, !10}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, file: !1, emissionKind: FullDebug, enums: !2)
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!1 = !DIFile(filename: "a.c", directory: "")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 5}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!5 = distinct !DISubprogram(name: "empty", scope: !1, file: !1, line: 1, type: !6, scopeLine: 1, flags: DIFlagAllCallsDescribed, spFlags: DISPFlagDefinition | DISPFlagOptimized, unit: !0, retainedNodes: !2)
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!6 = !DISubroutineType(types: !7)
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!7 = !{null}
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!8 = !DILocation(line: 2, column: 1, scope: !5)
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;; Due to -fasynchronous-unwind-tables.
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!9 = !{i32 7, !"uwtable", i32 2}
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;; Due to -fno-omit-frame-pointer.
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!10 = !{i32 7, !"frame-pointer", i32 2}
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;; Infer uwtable and "frame-pointer" from the module flags.
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; CHECK: define internal void @__llvm_gcov_writeout() unnamed_addr #[[#ATTR:]]
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; CHECK: define internal void @__llvm_gcov_reset() unnamed_addr #[[#ATTR]]
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; CHECK: define internal void @__llvm_gcov_init() unnamed_addr #[[#ATTR]]
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; CHECK: attributes #[[#ATTR]] = { noinline nounwind uwtable "frame-pointer"="all" }
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