Am 13.07.2016 um 00:56 schrieb Marek Olšák:
> From: Marek Olšák <marek.ol...@amd.com>
>
> Not sure if this is the right way to do it, but it seems to work.
>
> v2: make it a no-op on LLVM <= 3.5
> ---
> src/gallium/auxiliary/gallivm/lp_bld_misc.cpp | 11 +++++++++++
> src/gallium/auxiliary/gallivm/lp_bld_misc.h | 3 +++
> 2 files changed, 14 insertions(+)
>
> diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
> b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
> index 23ef3ed..791a470 100644
> --- a/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
> +++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.cpp
> @@ -697,3 +697,14 @@ lp_free_memory_manager(LLVMMCJITMemoryManagerRef
> memorymgr)
> {
> delete reinterpret_cast<BaseMemoryManager*>(memorymgr);
> }
> +
> +extern "C" void
> +lp_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes)
> +{
> +#if HAVE_LLVM >= 0x0306
> + llvm::Argument *A = llvm::unwrap<llvm::Argument>(val);
> + llvm::AttrBuilder B;
> + B.addDereferenceableAttr(bytes);
> + A->addAttr(llvm::AttributeSet::get(A->getContext(), A->getArgNo() + 1,
> B));
> +#endif
> +}
> diff --git a/src/gallium/auxiliary/gallivm/lp_bld_misc.h
> b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
> index d038e3b..c127c48 100644
> --- a/src/gallium/auxiliary/gallivm/lp_bld_misc.h
> +++ b/src/gallium/auxiliary/gallivm/lp_bld_misc.h
> @@ -73,6 +73,9 @@ lp_get_default_memory_manager();
> extern void
> lp_free_memory_manager(LLVMMCJITMemoryManagerRef memorymgr);
>
> +extern void
> +lp_add_attr_dereferenceable(LLVMValueRef val, uint64_t bytes);
> +
> #ifdef __cplusplus
> }
> #endif
>
Reviewed-by: Roland Scheidegger <srol...@vmware.com>
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