1 ; Test that GCOV instrumentation numbers functions correctly when some 2 ; functions aren't emitted. 3 4 ; Inject metadata to set the .gcno file location 5 ; RUN: echo '!14 = !{!"%/T/function-numbering.ll", !0}' > %t1 6 ; RUN: cat %s %t1 > %t2 7 8 ; RUN: opt -insert-gcov-profiling -S < %t2 | FileCheck --check-prefix GCDA %s 9 ; RUN: llvm-cov gcov -n -dump %T/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s 10 11 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 12 target triple = "x86_64-apple-macosx10.10.0" 13 14 ; GCDA: @[[FOO:[0-9]+]] = private unnamed_addr constant [4 x i8] c"foo\00" 15 ; GCDA-NOT: @{{[0-9]+}} = private unnamed_addr constant .* c"bar\00" 16 ; GCDA: @[[BAZ:[0-9]+]] = private unnamed_addr constant [4 x i8] c"baz\00" 17 ; GCDA: define internal void @__llvm_gcov_writeout() 18 ; GCDA: call void @llvm_gcda_emit_function(i32 0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[FOO]] 19 ; GCDA: call void @llvm_gcda_emit_function(i32 1, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[BAZ]] 20 21 ; GCNO: == foo (0) @ 22 ; GCNO-NOT: == bar ({{[0-9]+}}) @ 23 ; GCNO: == baz (1) @ 24 25 define void @foo() !dbg !4 { 26 ret void, !dbg !12 27 } 28 29 define void @bar() !dbg !7 { 30 ; This function is referenced by the debug info, but no lines have locations. 31 ret void 32 } 33 34 define void @baz() !dbg !8 { 35 ret void, !dbg !13 36 } 37 38 !llvm.gcov = !{!14} 39 !llvm.dbg.cu = !{!0} 40 !llvm.module.flags = !{!9, !10} 41 !llvm.ident = !{!11} 42 43 !0 = distinct !DICompileUnit(language: DW_LANG_C99, producer: "clang version 3.6.0 ", isOptimized: false, emissionKind: 2, file: !1, enums: !2, retainedTypes: !2, subprograms: !3, globals: !2, imports: !2) 44 !1 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "") 45 !2 = !{} 46 !3 = !{!4, !7, !8} 47 !4 = distinct !DISubprogram(name: "foo", line: 1, isLocal: false, isDefinition: true, isOptimized: false, scopeLine: 1, file: !1, scope: !5, type: !6, variables: !2) 48 !5 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "") 49 !6 = !DISubroutineType(types: !2) 50 !7 = distinct !DISubprogram(name: "bar", line: 2, isLocal: false, isDefinition: true, isOptimized: false, scopeLine: 2, file: !1, scope: !5, type: !6, variables: !2) 51 !8 = distinct !DISubprogram(name: "baz", line: 3, isLocal: false, isDefinition: true, isOptimized: false, scopeLine: 3, file: !1, scope: !5, type: !6, variables: !2) 52 !9 = !{i32 2, !"Dwarf Version", i32 2} 53 !10 = !{i32 2, !"Debug Info Version", i32 3} 54 !11 = !{!"clang version 3.6.0 "} 55 !12 = !DILocation(line: 1, column: 13, scope: !4) 56 !13 = !DILocation(line: 3, column: 13, scope: !8) 57
