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 11target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 12target 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 25define void @foo() !dbg !4 { 26 ret void, !dbg !12 27} 28 29define void @bar() !dbg !7 { 30 ; This function is referenced by the debug info, but no lines have locations. 31 ret void 32} 33 34define 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