From d89c28d314b909ebbe94203170b76b82acaa249c Mon Sep 17 00:00:00 2001 From: Caio Marcelo de Oliveira Filho Date: Tue, 5 May 2020 08:57:12 -0700 Subject: [PATCH] nir: Use deref intrinsics to set writes_memory when gathering info Reviewed-by: Kenneth Graunke Part-of: --- src/compiler/nir/nir_gather_info.c | 29 +++++++++++++++++++++++++++++ 1 file changed, 29 insertions(+) diff --git a/src/compiler/nir/nir_gather_info.c b/src/compiler/nir/nir_gather_info.c index f62adb6..09ecc28 100644 --- a/src/compiler/nir/nir_gather_info.c +++ b/src/compiler/nir/nir_gather_info.c @@ -280,6 +280,20 @@ try_mask_partial_io(nir_shader *shader, nir_variable *var, } static void +update_memory_written_for_deref(nir_shader *shader, nir_deref_instr *deref) +{ + switch (deref->mode) { + case nir_var_mem_ssbo: + case nir_var_mem_global: + shader->info.writes_memory = true; + break; + default: + /* Nothing to do. */ + break; + } +} + +static void gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader, void *dead_ctx) { @@ -326,6 +340,8 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader, } } } + if (instr->intrinsic == nir_intrinsic_store_deref) + update_memory_written_for_deref(shader, deref); break; } @@ -471,6 +487,19 @@ gather_intrinsic_info(nir_intrinsic_instr *instr, nir_shader *shader, shader->info.writes_memory = true; break; + case nir_intrinsic_deref_atomic_add: + case nir_intrinsic_deref_atomic_imin: + case nir_intrinsic_deref_atomic_umin: + case nir_intrinsic_deref_atomic_imax: + case nir_intrinsic_deref_atomic_umax: + case nir_intrinsic_deref_atomic_and: + case nir_intrinsic_deref_atomic_or: + case nir_intrinsic_deref_atomic_xor: + case nir_intrinsic_deref_atomic_exchange: + case nir_intrinsic_deref_atomic_comp_swap: + update_memory_written_for_deref(shader, nir_src_as_deref(instr->src[0])); + break; + default: break; } -- 2.7.4