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nir/validate: Allow derefs in phi nodes

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We added this assert when first moving derefs over to instructions to
ensure that deref chains could go all the way back to the variables.
Now that we're going to start using derefs for things that we can do
variable pointers on such as UBOs and SSBOs, we need to be able to run
derefs through phi nodes, selects, and basically anything else.

Reviewed-by: Alejandro Piñeiro <apinheiro@igalia.com>
Reviewed-by: Caio Marcelo de Oliveira Filho <caio.oliveira@intel.com>
This commit is contained in:
Jason Ekstrand 2018-12-13 17:42:34 -06:00 • committed by Jason Ekstrand
parent 7e85480a67
commit d0fe52a456
1 changed files with 0 additions and 1 deletions
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src/compiler/nir/nir_validate.c
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@ -688,7 +688,6 @@ validate_phi_src(nir_phi_instr *instr, nir_block *pred, validate_state *state)
nir_foreach_phi_src(src, instr) {
if (src->pred == pred) {
validate_assert(state, src->src.is_ssa);
validate_assert(state, src->src.ssa->parent_instr->type != nir_instr_type_deref);
validate_src(&src->src, state, instr->dest.ssa.bit_size,
instr->dest.ssa.num_components);
state->instr = NULL;