[Beignet] [PATCH] Doc: Update readme about LLVM.

[Song, Ruiling]

LGTM.

> -----Original Message-----
> From: Beignet [mailto:beignet-bounces at lists.freedesktop.org] On Behalf Of
> Yang Rong
> Sent: Tuesday, November 3, 2015 8:51 PM
> To: beignet at lists.freedesktop.org
> Cc: Yang, Rong R <rong.r.yang at intel.com>
> Subject: [Beignet] [PATCH] Doc: Update readme about LLVM.
> 
> After fix clang conversion corner case, The pass rate of LLVM 3.6 is same as
> 3.5.
> 
> Signed-off-by: Yang Rong <rong.r.yang at intel.com>
> ---
>  docs/Beignet.mdwn | 7 +++----
>  1 file changed, 3 insertions(+), 4 deletions(-)
> 
> diff --git a/docs/Beignet.mdwn b/docs/Beignet.mdwn
> index 9a2b516..f763b6f 100644
> --- a/docs/Beignet.mdwn
> +++ b/docs/Beignet.mdwn
> @@ -33,7 +33,7 @@ you can still link to the beignet OpenCL library. You can
> find the beignet/libcl
>  in your system's library installation directories.
> 
>  Note that the compiler depends on LLVM (Low-Level Virtual Machine
> project).
> -Right now, the code has been compiled with LLVM 3.3/3.4. It will not
> compile
> +Right now, the code has been compiled with LLVM 3.5/3.6. It will not
> compile
>  with anything older.
> 
>  A simple command to install all the above dependencies for ubuntu or
> debian is:
> @@ -47,9 +47,8 @@ A simple command to install all the above dependencies
> for ubuntu or debian is:
> 
>  **The recommended LLVM/CLANG version is 3.5 and/or 3.6**
> 
> -Based on our test result, LLVM 3.5 has best pass rate on all the test suites.
> Compare
> -to LLVM 3.5, LLVM 3.6 has slightly lower pass rate(caused by one front end
> bug at clang
> -3.6) but has better performance(3% to 8% up).
> +Based on our test result, LLVM 3.5 and 3.6 pass all the test suites. Compare
> +to LLVM 3.5, LLVM 3.6 has better performance(3% to 8% up).
> 
>  For LLVM 3.3 and 3.4, Beignet still support them, but it may be limited to
> support the
>  build and major functions.
> --
> 2.1.4
> 
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