forked from OSchip/llvm-project
45 lines
1.9 KiB
LLVM
45 lines
1.9 KiB
LLVM
;; For a global constructor, _GLOBAL__sub_I_ only has artificial lines.
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;; Test that we don't instrument those functions.
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; RUN: mkdir -p %t && cd %t
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; RUN: opt -S -insert-gcov-profiling < %s | FileCheck %s
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; RUN: opt -S -passes=insert-gcov-profiling < %s | FileCheck %s
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@var = dso_local global i32 0, align 4
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@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* @_GLOBAL__sub_I_a.cc, i8* null }]
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define internal void @__cxx_global_var_init() section ".text.startup" !dbg !7 {
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; CHECK: define internal void @__cxx_global_var_init()
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; CHECK: @__llvm_gcov_ctr
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; CHECK: call i32 @_Z3foov()
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entry:
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%call = call i32 @_Z3foov(), !dbg !9
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store i32 %call, i32* @var, align 4, !dbg !9
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ret void, !dbg !9
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}
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declare i32 @_Z3foov()
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;; Artificial lines only. Don't instrument.
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define internal void @_GLOBAL__sub_I_a.cc() section ".text.startup" !dbg !10 {
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; CHECK: define internal void @_GLOBAL__sub_I_a.cc()
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; CHECK-NOT: @__llvm_gcov_ctr
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; CHECK: call void @__cxx_global_var_init()
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entry:
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call void @__cxx_global_var_init(), !dbg !11
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ret void
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}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!3, !4}
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!0 = distinct !DICompileUnit(language: DW_LANG_C_plus_plus_14, file: !1, emissionKind: LineTablesOnly)
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!1 = !DIFile(filename: "a.cc", directory: "/")
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!2 = !{}
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!3 = !{i32 7, !"Dwarf Version", i32 4}
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!4 = !{i32 2, !"Debug Info Version", i32 3}
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!7 = distinct !DISubprogram(name: "__cxx_global_var_init", scope: !1, file: !1, line: 2, type: !8, scopeLine: 2, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!8 = !DISubroutineType(types: !2)
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!9 = !DILocation(line: 2, column: 11, scope: !7)
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!10 = distinct !DISubprogram(linkageName: "_GLOBAL__sub_I_a.cc", scope: !1, file: !1, type: !8, flags: DIFlagArtificial, spFlags: DISPFlagLocalToUnit | DISPFlagDefinition, unit: !0, retainedNodes: !2)
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!11 = !DILocation(line: 0, scope: !10)
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