[Mesa-dev] [PATCH v5] clover: restore support for LLVM <= 3.9

Francisco Jerez currojerez at riseup.net
Fri Nov 25 00:42:44 UTC 2016


Vedran Miletić <vedran at miletic.net> writes:

> The commit 8e430ff8b060b4e8e922bae24b3c57837da6ea77 support for LLVM
> 3.9 and older versionsin  Clover. This patch restores it and refactors
> the support using Clover compatibility layer for LLVM.
>
> v2: merged #ifdef blocks
> v3: added support for LLVM 3.6-3.8
> v4: add missing #ifdef around <memory>
> v5: simplify using templates and lambda
>
> Signed-off-by: Vedran Miletić <vedran at miletic.net>
> Reviewed-by[v2]: Jan Vesely <jan.vesely at rutgers.edu>
> Tested-by[v4]: Vinson Lee <vlee at freedesktop.org>
> Tested-by[v4]: Pierre Moreau <pierre.morrow at free.fr>
> Reviewed-by: Francisco Jerez <currojerez at riseup.net>
> ---
>  .../state_trackers/clover/llvm/codegen/bitcode.cpp     |  9 +++------
>  src/gallium/state_trackers/clover/llvm/compat.hpp      | 18 ++++++++++++++++++
>  2 files changed, 21 insertions(+), 6 deletions(-)
>
> diff --git a/src/gallium/state_trackers/clover/llvm/codegen/bitcode.cpp b/src/gallium/state_trackers/clover/llvm/codegen/bitcode.cpp
> index 5dcc4f8..d09207b 100644
> --- a/src/gallium/state_trackers/clover/llvm/codegen/bitcode.cpp
> +++ b/src/gallium/state_trackers/clover/llvm/codegen/bitcode.cpp
> @@ -32,6 +32,7 @@
>  ///
>  
>  #include "llvm/codegen.hpp"
> +#include "llvm/compat.hpp"
>  #include "llvm/metadata.hpp"
>  #include "core/error.hpp"
>  #include "util/algorithm.hpp"
> @@ -99,13 +100,9 @@ clover::llvm::parse_module_library(const module &m, ::llvm::LLVMContext &ctx,
>     auto mod = ::llvm::parseBitcodeFile(::llvm::MemoryBufferRef(
>                                          as_string(m.secs[0].data), " "), ctx);
>  
> -   if (::llvm::Error err = mod.takeError()) {
> -      std::string msg;
> -      ::llvm::handleAllErrors(std::move(err), [&](::llvm::ErrorInfoBase &EIB) {
> -         msg = EIB.message();
> -         fail(r_log, error(CL_INVALID_PROGRAM), msg.c_str());
> +   compat::handle_module_error(mod, [&](const std::string &s) {
> +         fail(r_log, error(CL_INVALID_PROGRAM), s);
>        });
> -   }
>  
>     return std::unique_ptr<::llvm::Module>(std::move(*mod));
>  }
> diff --git a/src/gallium/state_trackers/clover/llvm/compat.hpp b/src/gallium/state_trackers/clover/llvm/compat.hpp
> index a963cff..fc257ec 100644
> --- a/src/gallium/state_trackers/clover/llvm/compat.hpp
> +++ b/src/gallium/state_trackers/clover/llvm/compat.hpp
> @@ -39,6 +39,11 @@
>  #include <llvm/Linker/Linker.h>
>  #include <llvm/Transforms/IPO.h>
>  #include <llvm/Target/TargetMachine.h>
> +#if HAVE_LLVM >= 0x0400
> +#include <llvm/Support/Error.h>
> +#else
> +#include <llvm/Support/ErrorOr.h>
> +#endif
>  
>  #if HAVE_LLVM >= 0x0307
>  #include <llvm/IR/LegacyPassManager.h>
> @@ -158,6 +163,19 @@ namespace clover {
>  #else
>           const auto default_reloc_model = ::llvm::Reloc::Default;
>  #endif
> +
> +         template<typename M, typename F> inline void

I've dropped the 'inline' keyword (template functions implicitly have
inline linkage in C++), fixed some minor spelling issues in the commit
message and landed the patch.  Thanks!

> +         handle_module_error(M &mod, const F &f) {
> +#if HAVE_LLVM >= 0x0400
> +            if (::llvm::Error err = mod.takeError())
> +               ::llvm::handleAllErrors(std::move(err), [&](::llvm::ErrorInfoBase &eib) {
> +                     f(eib.message());
> +                  });
> +#else
> +            if (!mod)
> +               f(mod.getError().message());
> +#endif
> +         }
>        }
>     }
>  }
> -- 
> 2.7.4
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