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60 lines
2.8 KiB
LLVM
60 lines
2.8 KiB
LLVM
; Test that GCOV instrumentation numbers functions correctly when some
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; functions aren't emitted.
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; Inject metadata to set the .gcno file location
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; RUN: echo '!14 = !{!"%/T/function-numbering.ll", !0}' > %t1
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; RUN: cat %s %t1 > %t2
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; RUN: opt -insert-gcov-profiling -S < %t2 | FileCheck --check-prefix GCDA %s
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; RUN: llvm-cov gcov -n -dump %T/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s
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; RUNN: rm %T/function-numbering.gcno
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; RUN: opt -passes=insert-gcov-profiling -S < %t2 | FileCheck --check-prefix GCDA %s
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; RUN: llvm-cov gcov -n -dump %T/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %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-macosx10.10.0"
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; GCDA: @[[FOO:[0-9]+]] = private unnamed_addr constant [4 x i8] c"foo\00"
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; GCDA-NOT: @{{[0-9]+}} = private unnamed_addr constant .* c"bar\00"
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; GCDA: @[[BAZ:[0-9]+]] = private unnamed_addr constant [4 x i8] c"baz\00"
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; GCDA: define internal void @__llvm_gcov_writeout()
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; GCDA: call void @llvm_gcda_emit_function(i32 0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[FOO]]
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; GCDA: call void @llvm_gcda_emit_function(i32 1, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[BAZ]]
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; GCNO: == foo (0) @
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; GCNO-NOT: == bar ({{[0-9]+}}) @
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; GCNO: == baz (1) @
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define void @foo() !dbg !4 {
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ret void, !dbg !12
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}
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define void @bar() !dbg !7 {
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; This function is referenced by the debug info, but no lines have locations.
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ret void
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}
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define void @baz() !dbg !8 {
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ret void, !dbg !13
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}
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!llvm.gcov = !{!14}
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!llvm.dbg.cu = !{!0}
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!llvm.module.flags = !{!9, !10}
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!llvm.ident = !{!11}
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!0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: LineTablesOnly, file: !1, enums: !2, retainedTypes: !2, globals: !2, imports: !2)
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!1 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "")
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!2 = !{}
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!4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2)
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!5 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "")
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!6 = !DISubroutineType(types: !2)
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!7 = distinct !DISubprogram(name: "bar", line: 2, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 2, file: !1, scope: !5, type: !6, variables: !2)
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!8 = distinct !DISubprogram(name: "baz", line: 3, isLocal: false, isDefinition: true, isOptimized: false, unit: !0, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !2)
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!9 = !{i32 2, !"Dwarf Version", i32 2}
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!10 = !{i32 2, !"Debug Info Version", i32 3}
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!11 = !{!"clang version 3.6.0 "}
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!12 = !DILocation(line: 1, column: 13, scope: !4)
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!13 = !DILocation(line: 3, column: 13, scope: !8)
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