util: use C99 declaration in the for-loop set_foreach() macro

Signed-off-by: Eric Engestrom <eric@engestrom.ch>
Reviewed-by: Timothy Arceri <tarceri@itsqueeze.com>

src/compiler/glsl/opt_copy_propagation_elements.cpp

@@ -111,7 +111,6 @@ public:
       /* TODO: Check write mask, and possibly not clear everything. */
 
       /* For any usage of our variable on the RHS, clear it out. */
-      struct set_entry *set_entry;
       set_foreach(entry->dsts, set_entry) {
          ir_variable *dst_var = (ir_variable *)set_entry->key;
          acp_entry *dst_entry = pull_acp(dst_var);

src/compiler/glsl/standalone.cpp

@@ -87,8 +87,6 @@ public:
 
    void remove_dead_variables()
    {
-      struct set_entry *entry;
-
       set_foreach(variables, entry) {
          ir_variable *ir = (ir_variable *) entry->key;
 

src/compiler/nir/nir_control_flow.c

@@ -189,7 +189,6 @@ split_block_beginning(nir_block *block)
    new_block->cf_node.parent = block->cf_node.parent;
    exec_node_insert_node_before(&block->cf_node.node, &new_block->cf_node.node);
 
-   struct set_entry *entry;
    set_foreach(block->predecessors, entry) {
       nir_block *pred = (nir_block *) entry->key;
       replace_successor(pred, block, new_block);

src/compiler/nir/nir_dominance.c

@@ -42,7 +42,6 @@ init_block(nir_block *block, nir_function_impl *impl)
       block->imm_dom = NULL;
    block->num_dom_children = 0;
 
-   struct set_entry *entry;
    set_foreach(block->dom_frontier, entry) {
       _mesa_set_remove(block->dom_frontier, entry);
    }
@@ -72,7 +71,6 @@ static bool
 calc_dominance(nir_block *block)
 {
    nir_block *new_idom = NULL;
-   struct set_entry *entry;
    set_foreach(block->predecessors, entry) {
       nir_block *pred = (nir_block *) entry->key;
 
@@ -96,7 +94,6 @@ static bool
 calc_dom_frontier(nir_block *block)
 {
    if (block->predecessors->entries > 1) {
-      struct set_entry *entry;
       set_foreach(block->predecessors, entry) {
          nir_block *runner = (nir_block *) entry->key;
 
@@ -269,7 +266,6 @@ nir_dump_dom_frontier_impl(nir_function_impl *impl, FILE *fp)
 {
    nir_foreach_block(block, impl) {
       fprintf(fp, "DF(%u) = {", block->index);
-      struct set_entry *entry;
       set_foreach(block->dom_frontier, entry) {
          nir_block *df = (nir_block *) entry->key;
          fprintf(fp, "%u, ", df->index);

src/compiler/nir/nir_from_ssa.c

@@ -830,7 +830,6 @@ place_phi_read(nir_shader *shader, nir_register *reg,
    if (block != def->parent_instr->block) {
       /* Try to go up the single-successor tree */
       bool all_single_successors = true;
-      struct set_entry *entry;
       set_foreach(block->predecessors, entry) {
          nir_block *pred = (nir_block *)entry->key;
          if (pred->successors[0] && pred->successors[1]) {

src/compiler/nir/nir_gs_count_vertices.c

@@ -62,7 +62,6 @@ nir_gs_count_vertices(const nir_shader *shader)
       /* set_vertex_count intrinsics only appear in predecessors of the
        * end block.  So we don't need to walk all of them.
        */
-      struct set_entry *entry;
       set_foreach(function->impl->end_block->predecessors, entry) {
          nir_block *block = (nir_block *) entry->key;
 

src/compiler/nir/nir_liveness.c

@@ -218,7 +218,6 @@ nir_live_ssa_defs_impl(nir_function_impl *impl)
        * changed, add the predecessor to the work list so that we ensure
        * that the new information is used.
        */
-      struct set_entry *entry;
       set_foreach(block->predecessors, entry) {
          nir_block *pred = (nir_block *)entry->key;
          if (propagate_across_edge(pred, block, &state))

src/compiler/nir/nir_lower_gs_intrinsics.c

@@ -165,7 +165,6 @@ append_set_vertex_count(nir_block *end_block, struct state *state)
    /* Insert the new intrinsic in all of the predecessors of the end block,
     * but before any jump instructions (return).
     */
-   struct set_entry *entry;
    set_foreach(end_block->predecessors, entry) {
       nir_block *pred = (nir_block *) entry->key;
       b->cursor = nir_after_block_before_jump(pred);

src/compiler/nir/nir_lower_io_to_temporaries.c

@@ -98,7 +98,6 @@ emit_output_copies_impl(struct lower_io_state *state, nir_function_impl *impl)
       /* For all other shader types, we need to do the copies right before
        * the jumps to the end block.
        */
-      struct set_entry *block_entry;
       set_foreach(impl->end_block->predecessors, block_entry) {
          struct nir_block *block = (void *)block_entry->key;
          b.cursor = nir_after_block_before_jump(block);

src/compiler/nir/nir_lower_vars_to_ssa.c

@@ -460,7 +460,6 @@ lower_copies_to_load_store(struct deref_node *node,
    nir_builder b;
    nir_builder_init(&b, state->impl);
 
-   struct set_entry *copy_entry;
    set_foreach(node->copies, copy_entry) {
       nir_intrinsic_instr *copy = (void *)copy_entry->key;
 
@@ -727,7 +726,6 @@ nir_lower_vars_to_ssa_impl(nir_function_impl *impl)
       assert(node->path.path[0]->var->constant_initializer == NULL);
 
       if (node->stores) {
-         struct set_entry *store_entry;
          set_foreach(node->stores, store_entry) {
             nir_intrinsic_instr *store =
                (nir_intrinsic_instr *)store_entry->key;

src/compiler/nir/nir_opt_if.c

@@ -40,7 +40,6 @@ find_continue_block(nir_loop *loop)
 
    assert(header_block->predecessors->entries == 2);
 
-   struct set_entry *pred_entry;
    set_foreach(header_block->predecessors, pred_entry) {
       if (pred_entry->key != prev_block)
          return (nir_block*)pred_entry->key;

src/compiler/nir/nir_phi_builder.c

@@ -129,7 +129,6 @@ nir_phi_builder_add_value(struct nir_phi_builder *pb, unsigned num_components,
 
    while (w_start != w_end) {
       nir_block *cur = pb->W[w_start++];
-      struct set_entry *dom_entry;
       set_foreach(cur->dom_frontier, dom_entry) {
          nir_block *next = (nir_block *) dom_entry->key;
 
@@ -276,7 +275,6 @@ nir_phi_builder_finish(struct nir_phi_builder *pb)
           * XXX: Calling qsort this many times seems expensive.
           */
          int num_preds = 0;
-         struct set_entry *entry;
          set_foreach(phi->instr.block->predecessors, entry)
             preds[num_preds++] = (nir_block *)entry->key;
          qsort(preds, num_preds, sizeof(*preds), compare_blocks);

src/compiler/nir/nir_print.c

@@ -1085,7 +1085,6 @@ print_block(nir_block *block, print_state *state, unsigned tabs)
    nir_block **preds =
       malloc(block->predecessors->entries * sizeof(nir_block *));
 
-   struct set_entry *entry;
    unsigned i = 0;
    set_foreach(block->predecessors, entry) {
       preds[i++] = (nir_block *) entry->key;

src/compiler/nir/nir_split_vars.c

@@ -1200,7 +1200,6 @@ shrink_vec_var_list(struct exec_list *vars,
          if (!var_usage || !var_usage->vars_copied)
             continue;
 
-         struct set_entry *copy_entry;
          set_foreach(var_usage->vars_copied, copy_entry) {
             struct vec_var_usage *copy_usage = (void *)copy_entry->key;
             if (copy_usage->comps_kept != var_usage->comps_kept) {

src/compiler/nir/nir_to_lcssa.c

@@ -122,7 +122,6 @@ convert_loop_exit_for_ssa(nir_ssa_def *def, void *void_state)
    /* Create a phi node with as many sources pointing to the same ssa_def as
     * the block has predecessors.
     */
-   struct set_entry *entry;
    set_foreach(block_after_loop->predecessors, entry) {
       nir_phi_src *phi_src = ralloc(phi, nir_phi_src);
       phi_src->src = nir_src_for_ssa(def);

src/gallium/drivers/freedreno/freedreno_batch.c

@@ -182,8 +182,6 @@ batch_flush_reset_dependencies(struct fd_batch *batch, bool flush)
 static void
 batch_reset_resources_locked(struct fd_batch *batch)
 {
-	struct set_entry *entry;
-
 	pipe_mutex_assert_locked(batch->ctx->screen->lock);
 
 	set_foreach(batch->resources, entry) {

src/gallium/drivers/freedreno/freedreno_batch_cache.c

@@ -282,7 +282,6 @@ fd_bc_alloc_batch(struct fd_batch_cache *cache, struct fd_context *ctx, bool non
 		for (unsigned i = 0; i < ARRAY_SIZE(cache->batches); i++) {
 			batch = cache->batches[i];
 			debug_printf("%d: needs_flush=%d, depends:", batch->idx, batch->needs_flush);
-			struct set_entry *entry;
 			set_foreach(batch->dependencies, entry) {
 				struct fd_batch *dep = (struct fd_batch *)entry->key;
 				debug_printf(" %d", dep->idx);

src/gallium/drivers/freedreno/ir3/ir3_compiler_nir.c

@@ -2987,7 +2987,6 @@ get_block(struct ir3_context *ctx, const nir_block *nblock)
 {
 	struct ir3_block *block;
 	struct hash_entry *hentry;
-	struct set_entry *sentry;
 	unsigned i;
 
 	hentry = _mesa_hash_table_search(ctx->block_ht, nblock);

src/gallium/drivers/v3d/v3d_simulator.c

@@ -232,7 +232,6 @@ static int
 v3d_simulator_pin_bos(int fd, struct v3d_job *job)
 {
         struct v3d_simulator_file *file = v3d_get_simulator_file_for_fd(fd);
-        struct set_entry *entry;
 
         set_foreach(job->bos, entry) {
                 struct v3d_bo *bo = (struct v3d_bo *)entry->key;
@@ -250,7 +249,6 @@ static int
 v3d_simulator_unpin_bos(int fd, struct v3d_job *job)
 {
         struct v3d_simulator_file *file = v3d_get_simulator_file_for_fd(fd);
-        struct set_entry *entry;
 
         set_foreach(job->bos, entry) {
                 struct v3d_bo *bo = (struct v3d_bo *)entry->key;

src/intel/compiler/brw_nir_tcs_workarounds.c

@@ -138,7 +138,6 @@ brw_nir_apply_tcs_quads_workaround(nir_shader *nir)
    const unsigned num_end_preds = impl->end_block->predecessors->entries;
    nir_block *end_preds[num_end_preds];
    unsigned i = 0;
-   struct set_entry *entry;
 
    set_foreach(impl->end_block->predecessors, entry) {
       end_preds[i++] = (nir_block *) entry->key;

src/intel/vulkan/anv_batch_chain.c

@@ -89,7 +89,6 @@ anv_reloc_list_init_clone(struct anv_reloc_list *list,
              list->array_length * sizeof(*list->relocs));
       memcpy(list->reloc_bos, other_list->reloc_bos,
              list->array_length * sizeof(*list->reloc_bos));
-      struct set_entry *entry;
       set_foreach(other_list->deps, entry) {
          _mesa_set_add_pre_hashed(list->deps, entry->hash, entry->key);
       }
@@ -205,7 +204,6 @@ anv_reloc_list_append(struct anv_reloc_list *list,
 
    list->num_relocs += other->num_relocs;
 
-   struct set_entry *entry;
    set_foreach(other->deps, entry) {
       _mesa_set_add_pre_hashed(list->deps, entry->hash, entry->key);
    }
@@ -1135,7 +1133,6 @@ anv_execbuf_add_bo(struct anv_execbuf *exec,
          if (bos == NULL)
             return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
 
-         struct set_entry *entry;
          struct anv_bo **bo = bos;
          set_foreach(relocs->deps, entry) {
             *bo++ = (void *)entry->key;

src/mesa/main/shared.c

@@ -409,7 +409,6 @@ free_shared_state(struct gl_context *ctx, struct gl_shared_state *shared)
       _mesa_reference_buffer_object(ctx, &shared->NullBufferObj, NULL);
 
    if (shared->SyncObjects) {
-      struct set_entry *entry;
       set_foreach(shared->SyncObjects, entry) {
          _mesa_unref_sync_object(ctx, (struct gl_sync_object *) entry->key, 1);
       }

src/util/set.c

@@ -168,8 +168,6 @@ _mesa_set_destroy(struct set *ht, void (*delete_function)(struct set_entry *entr
       return;
 
    if (delete_function) {
-      struct set_entry *entry;
-
       set_foreach (ht, entry) {
          delete_function(entry);
       }
@@ -187,8 +185,6 @@ _mesa_set_destroy(struct set *ht, void (*delete_function)(struct set_entry *entr
 void
 _mesa_set_clear(struct set *set, void (*delete_function)(struct set_entry *entry))
 {
-   struct set_entry *entry;
-
    if (!set)
       return;
 
@@ -256,7 +252,7 @@ static void
 set_rehash(struct set *ht, unsigned new_size_index)
 {
    struct set old_ht;
-   struct set_entry *table, *entry;
+   struct set_entry *table;
 
    if (new_size_index >= ARRAY_SIZE(hash_sizes))
       return;

src/util/set.h

@@ -97,7 +97,7 @@ _mesa_set_random_entry(struct set *set,
  * pointer).
  */
 #define set_foreach(set, entry)                                     \
-   for (entry = _mesa_set_next_entry(set, NULL);  \
+   for (struct set_entry *entry = _mesa_set_next_entry(set, NULL);  \
         entry != NULL;                                              \
         entry = _mesa_set_next_entry(set, entry))