[llvm] r177002 - Refactor GCOV's six constructor arguments into a struct with a getter that

[Matt Beaumont-Gay]

On Wed, Mar 13, 2013 at 10:13 PM, Nick Lewycky <nicholas at mxc.ca> wrote:
> Added: llvm/trunk/test/Transforms/GCOVProfiling/version.ll
> URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/Transforms/GCOVProfiling/version.ll?rev=177002&view=auto
> ==============================================================================
> --- llvm/trunk/test/Transforms/GCOVProfiling/version.ll (added)
> +++ llvm/trunk/test/Transforms/GCOVProfiling/version.ll Thu Mar 14 00:13:26 2013
> @@ -0,0 +1,27 @@
> +; RUN: echo '!9 = metadata !{metadata !"%s", metadata !0}' > %t1
> +; RUN: cat %s %t1 > %t2
> +; RUN: opt -insert-gcov-profiling -disable-output < %t2

Does opt expect its working directory to be writable? I'm guessing
that's what "LLVM ERROR: IO failure on output stream." is trying to
tell me when I run this test on a read-only filesystem.
(linkagename.ll has the same problem.)

> +; RUN: head -c12 version.gcno | grep '^oncg\*204MVLL$'
> +; RUN: rm version.gcno
> +; RUN: not opt -insert-gcov-profiling -default-gcov-version=asdfasdf -disable-output < %t2
> +; RUN: opt -insert-gcov-profiling -default-gcov-version=407* -disable-output < %t2
> +; RUN: head -c12 version.gcno | grep '^oncg\*704MVLL$'
> +; RUN: rm version.gcno
> +
> +define void @test() {
> +  ret void, !dbg !8
> +}
> +
> +!llvm.gcov = !{!9}
> +!llvm.dbg.cu = !{!0}
> +
> +!0 = metadata !{metadata !"%s/version", metadata !1}
> +!1 = metadata !{i32 786449, i32 0, i32 4, metadata !2, metadata !"clang version 3.3 (trunk 176994)", i1 false, metadata !"", i32 0, metadata !3, metadata !3, metadata !4, metadata !3, metadata !""} ; [ DW_TAG_compile_unit ] [./version] [DW_LANG_C_plus_plus]
> +!2 = metadata !{i32 786473, metadata !"version", metadata !"/usr/local/google/home/nlewycky"} ; [ DW_TAG_file_type ]

Side note: really, your homedir?

> +!3 = metadata !{i32 0}
> +!4 = metadata !{metadata !5}
> +!5 = metadata !{i32 786478, i32 0, metadata !6, metadata !"test", metadata !"test", metadata !"", metadata !6, i32 1, metadata !7, i1 false, i1 true, i32 0, i32 0, null, i32 256, i1 false, void ()* @test, null, null, metadata !3, i32 1} ; [ DW_TAG_subprogram ] [line 1] [def] [test]
> +!6 = metadata !{i32 786473, metadata !"<stdin>", metadata !"."} ; [ DW_TAG_file_type ]
> +!7 = metadata !{i32 786453, i32 0, metadata !"", i32 0, i32 0, i64 0, i64 0, i64 0, i32 0, null, metadata !3, i32 0, i32 0} ; [ DW_TAG_subroutine_type ] [line 0, size 0, align 0, offset 0] [from ]
> +!8= metadata !{i32 1, i32 0, metadata !5, null}
> +;; !9 is added through the echo line at the top.
>
>
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