}
static bool
-constant_fold_block(nir_block *block, void *void_state)
+constant_fold_block(nir_block *block, void *mem_ctx)
{
- struct constant_fold_state *state = void_state;
+ bool progress = false;
nir_foreach_instr_safe(block, instr) {
switch (instr->type) {
case nir_instr_type_alu:
- state->progress |= constant_fold_alu_instr(nir_instr_as_alu(instr),
- state->mem_ctx);
+ progress |= constant_fold_alu_instr(nir_instr_as_alu(instr), mem_ctx);
break;
case nir_instr_type_intrinsic:
- state->progress |=
+ progress |=
constant_fold_intrinsic_instr(nir_instr_as_intrinsic(instr));
break;
case nir_instr_type_tex:
- state->progress |= constant_fold_tex_instr(nir_instr_as_tex(instr));
+ progress |= constant_fold_tex_instr(nir_instr_as_tex(instr));
break;
default:
/* Don't know how to constant fold */
}
}
- return true;
+ return progress;
}
static bool
nir_opt_constant_folding_impl(nir_function_impl *impl)
{
- struct constant_fold_state state;
-
- state.mem_ctx = ralloc_parent(impl);
- state.impl = impl;
- state.progress = false;
+ void *mem_ctx = ralloc_parent(impl);
+ bool progress = false;
- nir_foreach_block_call(impl, constant_fold_block, &state);
+ nir_foreach_block(block, impl) {
+ progress |= constant_fold_block(block, mem_ctx);
+ }
- if (state.progress)
+ if (progress)
nir_metadata_preserve(impl, nir_metadata_block_index |
nir_metadata_dominance);
- return state.progress;
+ return progress;
}
bool