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nir: Allocate predecessor and dominance frontier sets from block itself.

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These sets are part of the block, and their lifetime needs to match the
block itself.  So, allocate them using the block itself as the context.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Kenneth Graunke 2015-03-27 21:29:07 -07:00
parent 131444e1c5
commit 7380c641b1
1 changed files with 2 additions and 2 deletions
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4
src/glsl/nir/nir.c
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@ -285,10 +285,10 @@ nir_block_create(void *mem_ctx)
cf_init(&block->cf_node, nir_cf_node_block);
block->successors[0] = block->successors[1] = NULL;
block->predecessors = _mesa_set_create(mem_ctx, _mesa_hash_pointer,
block->predecessors = _mesa_set_create(block, _mesa_hash_pointer,
_mesa_key_pointer_equal);
block->imm_dom = NULL;
block->dom_frontier = _mesa_set_create(mem_ctx, _mesa_hash_pointer,
block->dom_frontier = _mesa_set_create(block, _mesa_hash_pointer,
_mesa_key_pointer_equal);
exec_list_make_empty(&block->instr_list);