For the series:

Reviewed-by: Marek Olšák <marek.ol...@amd.com>

Marek

On Fri, Feb 9, 2018 at 2:48 AM, Timothy Arceri <tarc...@itsqueeze.com> wrote:
> ---
>  src/amd/common/ac_nir_to_llvm.c | 46 
> +++++++++++++++++++++++++++++++++++++++++
>  1 file changed, 46 insertions(+)
>
> diff --git a/src/amd/common/ac_nir_to_llvm.c b/src/amd/common/ac_nir_to_llvm.c
> index db692919ce..c69aaed7ed 100644
> --- a/src/amd/common/ac_nir_to_llvm.c
> +++ b/src/amd/common/ac_nir_to_llvm.c
> @@ -3918,6 +3918,46 @@ visit_load_local_invocation_index(struct 
> nir_to_llvm_context *ctx)
>         return LLVMBuildAdd(ctx->builder, result, thread_id, "");
>  }
>
> +static LLVMValueRef
> +visit_load_shared(struct ac_nir_context *ctx,
> +                  const nir_intrinsic_instr *instr)
> +{
> +       LLVMValueRef values[4], derived_ptr, index, ret;
> +
> +       LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[0]);
> +
> +       for (int chan = 0; chan < instr->num_components; chan++) {
> +               index = LLVMConstInt(ctx->ac.i32, chan, 0);
> +               derived_ptr = LLVMBuildGEP(ctx->ac.builder, ptr, &index, 1, 
> "");
> +               values[chan] = LLVMBuildLoad(ctx->ac.builder, derived_ptr, 
> "");
> +       }
> +
> +       ret = ac_build_gather_values(&ctx->ac, values, instr->num_components);
> +       return LLVMBuildBitCast(ctx->ac.builder, ret, get_def_type(ctx, 
> &instr->dest.ssa), "");
> +}
> +
> +static void
> +visit_store_shared(struct ac_nir_context *ctx,
> +                  const nir_intrinsic_instr *instr)
> +{
> +       LLVMValueRef derived_ptr, data,index;
> +       LLVMBuilderRef builder = ctx->ac.builder;
> +
> +       LLVMValueRef ptr = get_memory_ptr(ctx, instr->src[1]);
> +       LLVMValueRef src = get_src(ctx, instr->src[0]);
> +
> +       int writemask = nir_intrinsic_write_mask(instr);
> +       for (int chan = 0; chan < 4; chan++) {
> +               if (!(writemask & (1 << chan))) {
> +                       continue;
> +               }
> +               data = ac_llvm_extract_elem(&ctx->ac, src, chan);
> +               index = LLVMConstInt(ctx->ac.i32, chan, 0);
> +               derived_ptr = LLVMBuildGEP(builder, ptr, &index, 1, "");
> +               LLVMBuildStore(builder, data, derived_ptr);
> +       }
> +}
> +
>  static LLVMValueRef visit_var_atomic(struct ac_nir_context *ctx,
>                                      const nir_intrinsic_instr *instr,
>                                      LLVMValueRef ptr)
> @@ -4440,6 +4480,12 @@ static void visit_intrinsic(struct ac_nir_context *ctx,
>         case nir_intrinsic_store_var:
>                 visit_store_var(ctx, instr);
>                 break;
> +       case nir_intrinsic_load_shared:
> +               result = visit_load_shared(ctx, instr);
> +               break;
> +       case nir_intrinsic_store_shared:
> +               visit_store_shared(ctx, instr);
> +               break;
>         case nir_intrinsic_image_load:
>                 result = visit_image_load(ctx, instr);
>                 break;
> --
> 2.14.3
>
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