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nir: Allocate nir_ssa_def::uses/if_uses out of the instruction.

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We can't allocate them out of the nir_ssa_def itself, because it may not
be ralloc'd (for example, nir_dest embeds a nir_ssa_def).

However, allocating them out of the instruction should work.

Signed-off-by: Kenneth Graunke <kenneth@whitecape.org>
Reviewed-by: Jason Ekstrand <jason.ekstrand@intel.com>
This commit is contained in:
Kenneth Graunke 2015-03-28 10:02:17 -07:00
parent 900498bd11
commit 4f4b04b7c7
1 changed files with 2 additions and 4 deletions
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6
src/glsl/nir/nir.c
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@ -1834,13 +1834,11 @@ void
nir_ssa_def_init(nir_instr *instr, nir_ssa_def *def,
unsigned num_components, const char *name)
{
void *mem_ctx = ralloc_parent(instr);
def->name = name;
def->parent_instr = instr;
def->uses = _mesa_set_create(mem_ctx, _mesa_hash_pointer,
def->uses = _mesa_set_create(instr, _mesa_hash_pointer,
_mesa_key_pointer_equal);
def->if_uses = _mesa_set_create(mem_ctx, _mesa_hash_pointer,
def->if_uses = _mesa_set_create(instr, _mesa_hash_pointer,
_mesa_key_pointer_equal);
def->num_components = num_components;