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 ; RUNN: rm %T/function-numbering.gcno 11 12 ; RUN: opt -passes=insert-gcov-profiling -S < %t2 | FileCheck --check-prefix GCDA %s 13 ; RUN: llvm-cov gcov -n -dump %T/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s 14 15 target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" 16 target triple = "x86_64-apple-macosx10.10.0" 17 18 ; GCDA: @[[FOO:[0-9]+]] = private unnamed_addr constant [4 x i8] c"foo\00" 19 ; GCDA-NOT: @{{[0-9]+}} = private unnamed_addr constant .* c"bar\00" 20 ; GCDA: @[[BAZ:[0-9]+]] = private unnamed_addr constant [4 x i8] c"baz\00" 21 ; GCDA: define internal void @__llvm_gcov_writeout() 22 ; GCDA: call void @llvm_gcda_emit_function(i32 0, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[FOO]] 23 ; GCDA: call void @llvm_gcda_emit_function(i32 1, i8* getelementptr inbounds ([4 x i8], [4 x i8]* @[[BAZ]] 24 25 ; GCNO: == foo (0) @ 26 ; GCNO-NOT: == bar ({{[0-9]+}}) @ 27 ; GCNO: == baz (1) @ 28 29 define void @foo() !dbg !4 { 30 ret void, !dbg !12 31 } 32 33 define void @bar() !dbg !7 { 34 ; This function is referenced by the debug info, but no lines have locations. 35 ret void 36 } 37 38 define void @baz() !dbg !8 { 39 ret void, !dbg !13 40 } 41 42 !llvm.gcov = !{!14} 43 !llvm.dbg.cu = !{!0} 44 !llvm.module.flags = !{!9, !10} 45 !llvm.ident = !{!11} 46 47 !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) 48 !1 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "") 49 !2 = !{} 50 !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) 51 !5 = !DIFile(filename: ".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", directory: "") 52 !6 = !DISubroutineType(types: !2) 53 !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) 54 !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) 55 !9 = !{i32 2, !"Dwarf Version", i32 2} 56 !10 = !{i32 2, !"Debug Info Version", i32 3} 57 !11 = !{!"clang version 3.6.0 "} 58 !12 = !DILocation(line: 1, column: 13, scope: !4) 59 !13 = !DILocation(line: 3, column: 13, scope: !8) 60
