nir/lower_io: Choose to set access based on intrinsic metadata

This should be far more reliable than trying to keep opcode lists
up-to-date.

Reviewed-by: Jesse Natalie <jenatali@microsoft.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5927>

diff --git a/src/compiler/nir/nir_lower_io.c b/src/compiler/nir/nir_lower_io.c
index c27646d7166dd6653542a66c5a01f0d555b60590..90bfe8a3dacac1f12649eafa0ecf744df0d34ea0 100644 (file)
--- a/src/compiler/nir/nir_lower_io.c
+++ b/src/compiler/nir/nir_lower_io.c
@@ -873,7 +873,7 @@ build_explicit_io_load(nir_builder *b, nir_intrinsic_instr *intrin,
       load->src[1] = nir_src_for_ssa(addr_to_offset(b, addr, addr_format));
    }
 
-   if (mode == nir_var_mem_ssbo || mode == nir_var_mem_global || mode == nir_var_mem_ubo)
+   if (nir_intrinsic_infos[op].index_map[NIR_INTRINSIC_ACCESS] > 0)
       nir_intrinsic_set_access(load, nir_intrinsic_access(intrin));
 
    unsigned bit_size = intrin->dest.ssa.bit_size;
@@ -989,7 +989,7 @@ build_explicit_io_store(nir_builder *b, nir_intrinsic_instr *intrin,
 
    nir_intrinsic_set_write_mask(store, write_mask);
 
-   if (mode == nir_var_mem_ssbo || mode == nir_var_mem_global)
+   if (nir_intrinsic_infos[op].index_map[NIR_INTRINSIC_ACCESS] > 0)
       nir_intrinsic_set_access(store, nir_intrinsic_access(intrin));
 
    /* TODO: We should try and provide a better alignment.  For OpenCL, we need
@@ -1062,7 +1062,7 @@ build_explicit_io_atomic(nir_builder *b, nir_intrinsic_instr *intrin,
    /* Global atomics don't have access flags because they assume that the
     * address may be non-uniform.
     */
-   if (!addr_format_is_global(addr_format) && mode != nir_var_mem_shared)
+   if (nir_intrinsic_infos[op].index_map[NIR_INTRINSIC_ACCESS] > 0)
       nir_intrinsic_set_access(atomic, nir_intrinsic_access(intrin));
 
    assert(intrin->dest.ssa.num_components == 1);