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nir/validate: Require array indices to match the deref bit size

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This doesn't currently change anything because array indices are
required to be 32 bits and all derefs are also 32 bits.  However, we
will one day have 64-bit derefs for OpenCL.

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 2018-12-14 11:16:09 -06:00 • committed by Jason Ekstrand
parent abfe674c54
commit cd93b0a670
1 changed files with 4 additions and 2 deletions
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6
src/compiler/nir/nir_validate.c
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@ -464,8 +464,10 @@ validate_deref_instr(nir_deref_instr *instr, validate_state *state)
validate_assert(state,
instr->type == glsl_get_array_element(parent->type));
if (instr->deref_type == nir_deref_type_array)
validate_src(&instr->arr.index, state, 32, 1);
if (instr->deref_type == nir_deref_type_array) {
validate_src(&instr->arr.index, state,
nir_dest_bit_size(instr->dest), 1);
}
break;
default: