[Beignet] [PATCH] support LLVM 3.4
Zhigang Gong
zhigang.gong at linux.intel.com
Sun Oct 13 23:51:57 PDT 2013
Hi Yi,
Do you have any update for this patch's testing? Thanks.
On Thu, Sep 26, 2013 at 04:20:04PM +0800, Zhigang Gong wrote:
> Ruiling tell me that llvm3.4 has not been released yet, so we may not switch
> to LLVM 3.4 immediately.
> But we will switch it eventually. For now, just test it with the llvm 3.4
> svn trunk is good enough for us.
>
> And as it will not break llvm 3.3, after the regression test pass, we can
> accept this patch.
>
> -----Original Message-----
> From: beignet-bounces+zhigang.gong=linux.intel.com at lists.freedesktop.org
> [mailto:beignet-bounces+zhigang.gong=linux.intel.com at lists.freedesktop.org]
> On Behalf Of Sun, Yi
> Sent: Thursday, September 26, 2013 2:23 PM
> To: Zhigang Gong; Xing, Homer
> Cc: beignet at lists.freedesktop.org
> Subject: Re: [Beignet] [PATCH] support LLVM 3.4
>
> Hi Zhigang,
>
> I may lose some context.
> So we're upgrading LLVM to 3.4 now? It seems we just get it to 3.3 version.
>
> Thanks
> --Sun, Yi
>
> > -----Original Message-----
> > From: beignet-bounces+yi.sun=intel.com at lists.freedesktop.org
> > [mailto:beignet-bounces+yi.sun=intel.com at lists.freedesktop.org] On
> > Behalf Of Zhigang Gong
> > Sent: Wednesday, September 25, 2013 1:42 AM
> > To: Xing, Homer
> > Cc: beignet at lists.freedesktop.org
> > Subject: Re: [Beignet] [PATCH] support LLVM 3.4
> >
> > Yi,
> >
> > Could you help to do a fully regression test for llvm 3.4?
> >
> > On Tue, Sep 24, 2013 at 10:10:46AM +0800, Homer Hsing wrote:
> > > LLVM 3.3 or earlier version don't support unary addition of vectors,
> > > such as "++ int2". This patch supports LLVM 3.4.
> > > Tested by PIGLIT, no regression.
> > >
> > > Signed-off-by: Homer Hsing <homer.xing at intel.com>
> > > ---
> > > CMake/FindLLVM.cmake | 4 ++--
> > > backend/src/backend/program.cpp | 7 ++++++-
> > > backend/src/llvm/llvm_gen_backend.cpp | 6 +++---
> > > docs/Beignet.mdwn | 2 +-
> > > 4 files changed, 12 insertions(+), 7 deletions(-)
> > >
> > > diff --git a/CMake/FindLLVM.cmake b/CMake/FindLLVM.cmake index
> > > e76ab42..3fa9ad9 100644
> > > --- a/CMake/FindLLVM.cmake
> > > +++ b/CMake/FindLLVM.cmake
> > > @@ -7,9 +7,9 @@
> > > # LLVM_MODULE_LIBS - list of llvm libs for working with modules.
> > > # LLVM_FOUND - True if llvm found.
> > > if (LLVM_INSTALL_DIR)
> > > - find_program(LLVM_CONFIG_EXECUTABLE NAMES llvm-config-32
> > > llvm-config-3.2 llvm-config-31 llvm-config-3.1 llvm-config DOC
> > > "llvm-config executable" PATHS ${LLVM_INSTALL_DIR} NO_DEFAULT_PATH)
> > > + find_program(LLVM_CONFIG_EXECUTABLE NAMES llvm-config-32
> > > + llvm-config-3.2 llvm-config-31 llvm-config-3.1 llvm-config-3.4
> > > + llvm-config DOC "llvm-config executable" PATHS ${LLVM_INSTALL_DIR}
> > > + NO_DEFAULT_PATH)
> > > else (LLVM_INSTALL_DIR)
> > > - find_program(LLVM_CONFIG_EXECUTABLE NAMES llvm-config-32
> > > llvm-config-3.2 llvm-config-31 llvm-config-3.1 llvm-config DOC
> > > "llvm-config executable")
> > > + find_program(LLVM_CONFIG_EXECUTABLE NAMES llvm-config-32
> > > + llvm-config-3.2 llvm-config-31 llvm-config-3.1 llvm-config-3.4
> > > + llvm-config DOC "llvm-config executable")
> > > endif (LLVM_INSTALL_DIR)
> > >
> > > if (LLVM_CONFIG_EXECUTABLE)
> > > diff --git a/backend/src/backend/program.cpp
> > > b/backend/src/backend/program.cpp index 68bb17e..9956e11 100644
> > > --- a/backend/src/backend/program.cpp
> > > +++ b/backend/src/backend/program.cpp
> > > @@ -535,7 +535,12 @@ namespace gbe {
> > > llvm::Module *module = Act->takeModule();
> > >
> > > std::string ErrorInfo;
> > > - llvm::raw_fd_ostream OS(output,
> > ErrorInfo,llvm::raw_fd_ostream::F_Binary);
> > > +#if (LLVM_VERSION_MAJOR == 3) && (LLVM_VERSION_MINOR > 3)
> > > + auto mode = llvm::sys::fs::F_Binary; #else
> > > + auto mode = llvm::raw_fd_ostream::F_Binary; #endif
> > > + llvm::raw_fd_ostream OS(output, ErrorInfo, mode);
> > > //still write to temp file for code simply, otherwise need add
> > > another
> > function.
> > > //because gbe_program_new_from_llvm also be used by
> > cl_program_create_from_llvm, can't be removed
> > > //TODO: Pass module to llvmToGen, if use module, should return
> > > Act and use OwningPtr out of this funciton diff --git
> > > a/backend/src/llvm/llvm_gen_backend.cpp
> > > b/backend/src/llvm/llvm_gen_backend.cpp
> > > index fd42dca..c8c0866 100644
> > > --- a/backend/src/llvm/llvm_gen_backend.cpp
> > > +++ b/backend/src/llvm/llvm_gen_backend.cpp
> > > @@ -154,9 +154,9 @@
> > > #define LLVM_VERSION_MINOR 0
> > > #endif /* !defined(LLVM_VERSION_MINOR) */
> > >
> > > -#if (LLVM_VERSION_MAJOR != 3) || (LLVM_VERSION_MINOR > 3) -#error
> > > "Only LLVM 3.0 - 3.3 is supported"
> > > -#endif /* (LLVM_VERSION_MAJOR != 3) || (LLVM_VERSION_MINOR > 3) */
> > > +#if (LLVM_VERSION_MAJOR != 3) || (LLVM_VERSION_MINOR > 4) #error
> > > +"Only LLVM 3.0 - 3.4 is supported"
> > > +#endif /* (LLVM_VERSION_MAJOR != 3) || (LLVM_VERSION_MINOR > 4) */
> > >
> > > using namespace llvm;
> > >
> > > diff --git a/docs/Beignet.mdwn b/docs/Beignet.mdwn index
> > > c0f88de..86a235e 100644
> > > --- a/docs/Beignet.mdwn
> > > +++ b/docs/Beignet.mdwn
> > > @@ -55,7 +55,7 @@ with any thing older.
> > >
> > > [http://llvm.org/releases/](http://llvm.org/releases/)
> > >
> > > -LLVM 3.1,3.2 and 3.3 are supported.
> > > +LLVM 3.1,3.2,3.3 and 3.4 are supported.
> > >
> > > Also note that the code was compiled on GCC 4.6 and GCC 4.7. Since
> > > the code uses really recent C++11 features, you may expect problems
> > > with older compilers. Last
> > > --
> > > 1.8.1.2
> > >
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