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ac/llvm: implement implement load_{scalar,vector}_arg_amd and load_smem_amd

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Signed-off-by: Rhys Perry <pendingchaos02@gmail.com>
Reviewed-by: Samuel Pitoiset <samuel.pitoiset@gmail.com>
Reviewed-by: Timur Kristóf <timur.kristof@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/12773>
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Rhys Perry 2020-10-21 18:57:53 +01:00 • committed by Marge Bot
parent 53996cf979
commit a56bb2d545
1 changed files with 23 additions and 0 deletions
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23
src/amd/llvm/ac_nir_to_llvm.c
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@ -4335,6 +4335,29 @@ static void visit_intrinsic(struct ac_nir_context *ctx, nir_intrinsic_instr *ins
case nir_intrinsic_load_force_vrs_rates_amd:
result = ac_get_arg(&ctx->ac, ctx->args->force_vrs_rates);
break;
case nir_intrinsic_load_scalar_arg_amd:
case nir_intrinsic_load_vector_arg_amd: {
assert(nir_intrinsic_base(instr) < AC_MAX_ARGS);
result = ac_to_integer(&ctx->ac, LLVMGetParam(ctx->main_function, nir_intrinsic_base(instr)));
break;
}
case nir_intrinsic_load_smem_amd: {
LLVMValueRef base = get_src(ctx, instr->src[0]);
LLVMValueRef offset = get_src(ctx, instr->src[1]);
LLVMTypeRef result_type = get_def_type(ctx, &instr->dest.ssa);
LLVMTypeRef ptr_type = LLVMPointerType(result_type, AC_ADDR_SPACE_CONST);
LLVMTypeRef byte_ptr_type = LLVMPointerType(ctx->ac.i8, AC_ADDR_SPACE_CONST);
LLVMValueRef addr = LLVMBuildIntToPtr(ctx->ac.builder, base, byte_ptr_type, "");
addr = LLVMBuildGEP(ctx->ac.builder, addr, &offset, 1, "");
addr = LLVMBuildBitCast(ctx->ac.builder, addr, ptr_type, "");
LLVMSetMetadata(addr, ctx->ac.uniform_md_kind, ctx->ac.empty_md);
result = LLVMBuildLoad(ctx->ac.builder, addr, "");
LLVMSetMetadata(result, ctx->ac.invariant_load_md_kind, ctx->ac.empty_md);
break;
}
default:
fprintf(stderr, "Unknown intrinsic: ");
nir_print_instr(&instr->instr, stderr);