diff options
Diffstat (limited to 'test/Transforms/GCOVProfiling/function-numbering.ll')
-rw-r--r-- | test/Transforms/GCOVProfiling/function-numbering.ll | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/test/Transforms/GCOVProfiling/function-numbering.ll b/test/Transforms/GCOVProfiling/function-numbering.ll new file mode 100644 index 0000000..2480820 --- /dev/null +++ b/test/Transforms/GCOVProfiling/function-numbering.ll @@ -0,0 +1,56 @@ +; Test that GCOV instrumentation numbers functions correctly when some +; functions aren't emitted. + +; Inject metadata to set the .gcno file location +; RUN: echo '!14 = metadata !{metadata !"%/T/function-numbering.ll", metadata !0}' > %t1 +; RUN: cat %s %t1 > %t2 + +; RUN: opt -insert-gcov-profiling -S < %t2 | FileCheck --check-prefix GCDA %s +; RUN: llvm-cov -n -dump %T/function-numbering.gcno 2>&1 | FileCheck --check-prefix GCNO %s + +target datalayout = "e-m:o-i64:64-f80:128-n8:16:32:64-S128" +target triple = "x86_64-apple-macosx10.10.0" + +; GCDA: @[[FOO:[0-9]+]] = private unnamed_addr constant [4 x i8] c"foo\00" +; GCDA-NOT: @{{[0-9]+}} = private unnamed_addr constant .* c"bar\00" +; GCDA: @[[BAZ:[0-9]+]] = private unnamed_addr constant [4 x i8] c"baz\00" +; GCDA: define internal void @__llvm_gcov_writeout() +; GCDA: call void @llvm_gcda_emit_function(i32 0, i8* getelementptr inbounds ([4 x i8]* @[[FOO]] +; GCDA: call void @llvm_gcda_emit_function(i32 1, i8* getelementptr inbounds ([4 x i8]* @[[BAZ]] + +; GCNO: == foo (0) @ +; GCNO-NOT: == bar ({{[0-9]+}}) @ +; GCNO: == baz (1) @ + +define void @foo() { + ret void, !dbg !12 +} + +define void @bar() { + ; This function is referenced by the debug info, but no lines have locations. + ret void +} + +define void @baz() { + ret void, !dbg !13 +} + +!llvm.gcov = !{!14} +!llvm.dbg.cu = !{!0} +!llvm.module.flags = !{!9, !10} +!llvm.ident = !{!11} + +!0 = metadata !{metadata !"0x11\0012\00clang version 3.6.0 \000\00\000\00\002", metadata !1, metadata !2, metadata !2, metadata !3, metadata !2, metadata !2} ; [ DW_TAG_compile_unit ] [function-numbering.ll] [DW_LANG_C99] +!1 = metadata !{metadata !".../llvm/test/Transforms/GCOVProfiling/function-numbering.ll", metadata !""} +!2 = metadata !{} +!3 = metadata !{metadata !4, metadata !7, metadata !8} +!4 = metadata !{metadata !"0x2e\00foo\00foo\00\001\000\001\000\000\000\000\001", metadata !1, metadata !5, metadata !6, null, void ()* @foo, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 1] [def] [foo] +!5 = metadata !{metadata !"0x29", metadata !1} ; [ DW_TAG_file_type ] [/Users/bogner/build/llvm-debug//tmp/foo.c] +!6 = metadata !{metadata !"0x15\00\000\000\000\000\000\000", null, null, null, metadata !2, null, null, null} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ] +!7 = metadata !{metadata !"0x2e\00bar\00bar\00\002\000\001\000\000\000\000\002", metadata !1, metadata !5, metadata !6, null, void ()* @bar, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 2] [def] [bar] +!8 = metadata !{metadata !"0x2e\00baz\00baz\00\003\000\001\000\000\000\000\003", metadata !1, metadata !5, metadata !6, null, void ()* @baz, null, null, metadata !2} ; [ DW_TAG_subprogram ] [line 3] [def] [baz] +!9 = metadata !{i32 2, metadata !"Dwarf Version", i32 2} +!10 = metadata !{i32 2, metadata !"Debug Info Version", i32 2} +!11 = metadata !{metadata !"clang version 3.6.0 "} +!12 = metadata !{i32 1, i32 13, metadata !4, null} +!13 = metadata !{i32 3, i32 13, metadata !8, null} |