visit_parallel_copy_dest(nir_parallel_copy_instr *instr,
nir_foreach_dest_cb cb, void *state)
{
- nir_foreach_parallel_copy_entry(instr, entry) {
+ nir_foreach_parallel_copy_entry(entry, instr) {
if (!cb(&entry->dest, state))
return false;
}
static bool
visit_phi_src(nir_phi_instr *instr, nir_foreach_src_cb cb, void *state)
{
- nir_foreach_phi_src(instr, src) {
+ nir_foreach_phi_src(src, instr) {
if (!visit_src(&src->src, cb, state))
return false;
}
visit_parallel_copy_src(nir_parallel_copy_instr *instr,
nir_foreach_src_cb cb, void *state)
{
- nir_foreach_parallel_copy_entry(instr, entry) {
+ nir_foreach_parallel_copy_entry(entry, instr) {
if (!visit_src(&entry->src, cb, state))
return false;
}
{
assert(!new_src.is_ssa || def != new_src.ssa);
- nir_foreach_use_safe(def, use_src)
+ nir_foreach_use_safe(use_src, def)
nir_instr_rewrite_src(use_src->parent_instr, use_src, new_src);
- nir_foreach_if_use_safe(def, use_src)
+ nir_foreach_if_use_safe(use_src, def)
nir_if_rewrite_condition(use_src->parent_if, new_src);
}
{
assert(!new_src.is_ssa || def != new_src.ssa);
- nir_foreach_use_safe(def, use_src) {
+ nir_foreach_use_safe(use_src, def) {
assert(use_src->parent_instr != def->parent_instr);
/* Since def already dominates all of its uses, the only way a use can
* not be dominated by after_me is if it is between def and after_me in
nir_instr_rewrite_src(use_src->parent_instr, use_src, new_src);
}
- nir_foreach_if_use_safe(def, use_src)
+ nir_foreach_if_use_safe(use_src, def)
nir_if_rewrite_condition(use_src->parent_if, new_src);
}
nir_ssa_def_components_read(nir_ssa_def *def)
{
uint8_t read_mask = 0;
- nir_foreach_use(def, use) {
+ nir_foreach_use(use, def) {
if (use->parent_instr->type == nir_instr_type_alu) {
nir_alu_instr *alu = nir_instr_as_alu(use->parent_instr);
nir_alu_src *alu_src = exec_node_data(nir_alu_src, use, src);
return read_mask;
}
-static bool foreach_cf_node(nir_cf_node *node, nir_foreach_block_cb cb,
- bool reverse, void *state);
-
-static inline bool
-foreach_if(nir_if *if_stmt, nir_foreach_block_cb cb, bool reverse, void *state)
+nir_block *
+nir_block_cf_tree_next(nir_block *block)
{
- if (reverse) {
- foreach_list_typed_reverse_safe(nir_cf_node, node, node,
- &if_stmt->else_list) {
- if (!foreach_cf_node(node, cb, reverse, state))
- return false;
- }
+ if (block == NULL) {
+ /* nir_foreach_block_safe() will call this function on a NULL block
+ * after the last iteration, but it won't use the result so just return
+ * NULL here.
+ */
+ return NULL;
+ }
- foreach_list_typed_reverse_safe(nir_cf_node, node, node,
- &if_stmt->then_list) {
- if (!foreach_cf_node(node, cb, reverse, state))
- return false;
- }
- } else {
- foreach_list_typed_safe(nir_cf_node, node, node, &if_stmt->then_list) {
- if (!foreach_cf_node(node, cb, reverse, state))
- return false;
- }
+ nir_cf_node *cf_next = nir_cf_node_next(&block->cf_node);
+ if (cf_next)
+ return nir_cf_node_cf_tree_first(cf_next);
- foreach_list_typed_safe(nir_cf_node, node, node, &if_stmt->else_list) {
- if (!foreach_cf_node(node, cb, reverse, state))
- return false;
- }
+ nir_cf_node *parent = block->cf_node.parent;
+
+ switch (parent->type) {
+ case nir_cf_node_if: {
+ /* Are we at the end of the if? Go to the beginning of the else */
+ nir_if *if_stmt = nir_cf_node_as_if(parent);
+ if (&block->cf_node == nir_if_last_then_node(if_stmt))
+ return nir_cf_node_as_block(nir_if_first_else_node(if_stmt));
+
+ assert(&block->cf_node == nir_if_last_else_node(if_stmt));
+ /* fall through */
}
- return true;
+ case nir_cf_node_loop:
+ return nir_cf_node_as_block(nir_cf_node_next(parent));
+
+ case nir_cf_node_function:
+ return NULL;
+
+ default:
+ unreachable("unknown cf node type");
+ }
}
-static inline bool
-foreach_loop(nir_loop *loop, nir_foreach_block_cb cb, bool reverse, void *state)
+nir_block *
+nir_block_cf_tree_prev(nir_block *block)
{
- if (reverse) {
- foreach_list_typed_reverse_safe(nir_cf_node, node, node, &loop->body) {
- if (!foreach_cf_node(node, cb, reverse, state))
- return false;
- }
- } else {
- foreach_list_typed_safe(nir_cf_node, node, node, &loop->body) {
- if (!foreach_cf_node(node, cb, reverse, state))
- return false;
- }
+ if (block == NULL) {
+ /* do this for consistency with nir_block_cf_tree_next() */
+ return NULL;
}
- return true;
-}
+ nir_cf_node *cf_prev = nir_cf_node_prev(&block->cf_node);
+ if (cf_prev)
+ return nir_cf_node_cf_tree_last(cf_prev);
+
+ nir_cf_node *parent = block->cf_node.parent;
+
+ switch (parent->type) {
+ case nir_cf_node_if: {
+ /* Are we at the beginning of the else? Go to the end of the if */
+ nir_if *if_stmt = nir_cf_node_as_if(parent);
+ if (&block->cf_node == nir_if_first_else_node(if_stmt))
+ return nir_cf_node_as_block(nir_if_last_then_node(if_stmt));
+
+ assert(&block->cf_node == nir_if_first_then_node(if_stmt));
+ /* fall through */
+ }
-static bool
-foreach_cf_node(nir_cf_node *node, nir_foreach_block_cb cb,
- bool reverse, void *state)
-{
- switch (node->type) {
- case nir_cf_node_block:
- return cb(nir_cf_node_as_block(node), state);
- case nir_cf_node_if:
- return foreach_if(nir_cf_node_as_if(node), cb, reverse, state);
case nir_cf_node_loop:
- return foreach_loop(nir_cf_node_as_loop(node), cb, reverse, state);
- break;
+ return nir_cf_node_as_block(nir_cf_node_prev(parent));
+
+ case nir_cf_node_function:
+ return NULL;
default:
- unreachable("Invalid CFG node type");
- break;
+ unreachable("unknown cf node type");
}
-
- return false;
}
-bool
-nir_foreach_block_in_cf_node_call(nir_cf_node *node, nir_foreach_block_cb cb,
- void *state)
+nir_block *nir_cf_node_cf_tree_first(nir_cf_node *node)
{
- return foreach_cf_node(node, cb, false, state);
-}
+ switch (node->type) {
+ case nir_cf_node_function: {
+ nir_function_impl *impl = nir_cf_node_as_function(node);
+ return nir_start_block(impl);
+ }
-bool
-nir_foreach_block_call(nir_function_impl *impl, nir_foreach_block_cb cb, void *state)
-{
- foreach_list_typed_safe(nir_cf_node, node, node, &impl->body) {
- if (!foreach_cf_node(node, cb, false, state))
- return false;
+ case nir_cf_node_if: {
+ nir_if *if_stmt = nir_cf_node_as_if(node);
+ return nir_cf_node_as_block(nir_if_first_then_node(if_stmt));
+ }
+
+ case nir_cf_node_loop: {
+ nir_loop *loop = nir_cf_node_as_loop(node);
+ return nir_cf_node_as_block(nir_loop_first_cf_node(loop));
}
- return cb(impl->end_block, state);
+ case nir_cf_node_block: {
+ return nir_cf_node_as_block(node);
+ }
+
+ default:
+ unreachable("unknown node type");
+ }
}
-bool
-nir_foreach_block_reverse_call(nir_function_impl *impl, nir_foreach_block_cb cb,
- void *state)
+nir_block *nir_cf_node_cf_tree_last(nir_cf_node *node)
{
- if (!cb(impl->end_block, state))
- return false;
+ switch (node->type) {
+ case nir_cf_node_function: {
+ nir_function_impl *impl = nir_cf_node_as_function(node);
+ return nir_impl_last_block(impl);
+ }
- foreach_list_typed_reverse_safe(nir_cf_node, node, node, &impl->body) {
- if (!foreach_cf_node(node, cb, true, state))
- return false;
+ case nir_cf_node_if: {
+ nir_if *if_stmt = nir_cf_node_as_if(node);
+ return nir_cf_node_as_block(nir_if_last_else_node(if_stmt));
}
- return true;
+ case nir_cf_node_loop: {
+ nir_loop *loop = nir_cf_node_as_loop(node);
+ return nir_cf_node_as_block(nir_loop_last_cf_node(loop));
+ }
+
+ case nir_cf_node_block: {
+ return nir_cf_node_as_block(node);
+ }
+
+ default:
+ unreachable("unknown node type");
+ }
+}
+
+nir_block *nir_cf_node_cf_tree_next(nir_cf_node *node)
+{
+ if (node->type == nir_cf_node_block)
+ return nir_cf_node_cf_tree_first(nir_cf_node_next(node));
+ else if (node->type == nir_cf_node_function)
+ return NULL;
+ else
+ return nir_cf_node_as_block(nir_cf_node_next(node));
}
nir_if *
return nir_cf_node_as_loop(next_node);
}
-static bool
-index_block(nir_block *block, void *state)
-{
- unsigned *index = state;
- block->index = (*index)++;
- return true;
-}
void
nir_index_blocks(nir_function_impl *impl)
if (impl->valid_metadata & nir_metadata_block_index)
return;
- nir_foreach_block_call(impl, index_block, &index);
+ nir_foreach_block(block, impl) {
+ block->index = index++;
+ }
impl->num_blocks = index;
}
return true;
}
-static bool
-index_ssa_block(nir_block *block, void *state)
-{
- nir_foreach_instr(block, instr)
- nir_foreach_ssa_def(instr, index_ssa_def_cb, state);
-
- return true;
-}
-
/**
* The indices are applied top-to-bottom which has the very nice property
* that, if A dominates B, then A->index <= B->index.
nir_index_ssa_defs(nir_function_impl *impl)
{
unsigned index = 0;
- nir_foreach_block_call(impl, index_ssa_block, &index);
- impl->ssa_alloc = index;
-}
-static bool
-index_instrs_block(nir_block *block, void *state)
-{
- unsigned *index = state;
- nir_foreach_instr(block, instr)
- instr->index = (*index)++;
+ nir_foreach_block(block, impl) {
+ nir_foreach_instr(instr, block)
+ nir_foreach_ssa_def(instr, index_ssa_def_cb, &index);
+ }
- return true;
+ impl->ssa_alloc = index;
}
/**
nir_index_instrs(nir_function_impl *impl)
{
unsigned index = 0;
- nir_foreach_block_call(impl, index_instrs_block, &index);
+
+ nir_foreach_block(block, impl) {
+ nir_foreach_instr(instr, block)
+ instr->index = index++;
+ }
+
return index;
}
projects / mesa.git / blobdiff