diff options
| author | Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com> | 2018-04-10 23:13:39 -0700 |
|---|---|---|
| committer | Jason Ekstrand <jason.ekstrand@intel.com> | 2018-04-11 11:05:05 -0700 |
| commit | fac9dd1b93829a84f634525ce41f18953fe92433 (patch) | |
| tree | 486a442de0e2dca7e8854f6f0baf524854eaeec0 | |
| parent | 1c9bccdeb8acf1a531b49bbb6c69ea96879e79de (diff) | |
nir/vars_to_ssa: Remove an unnecessary deref_arry_type check
Only fully-qualified direct derefs, collected in direct_deref_nodes,
are checked for aliasing, so it is already known up front that they
have only array derefs of type direct.
Reviewed-by: Jason Ekstrand <jason@jlekstrand.net>
| -rw-r--r-- | src/compiler/nir/nir_lower_vars_to_ssa.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/src/compiler/nir/nir_lower_vars_to_ssa.c b/src/compiler/nir/nir_lower_vars_to_ssa.c index f327a14d9b..970eb05307 100644 --- a/src/compiler/nir/nir_lower_vars_to_ssa.c +++ b/src/compiler/nir/nir_lower_vars_to_ssa.c @@ -298,15 +298,16 @@ deref_may_be_aliased_node(struct deref_node *node, nir_deref *deref, switch (deref->child->deref_type) { case nir_deref_type_array: { nir_deref_array *arr = nir_deref_as_array(deref->child); - if (arr->deref_array_type == nir_deref_array_type_indirect) - return true; + + /* This is a child of one of the derefs in direct_deref_nodes, + * so we know it is direct. + */ + assert(arr->deref_array_type == nir_deref_array_type_direct); /* If there is an indirect at this level, we're aliased. */ if (node->indirect) return true; - assert(arr->deref_array_type == nir_deref_array_type_direct); - if (node->children[arr->base_offset] && deref_may_be_aliased_node(node->children[arr->base_offset], deref->child, state)) |