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intel/compiler: use nir_shader_instructions_pass in brw_nir_lower_conversions 

No functional changes.

Signed-off-by: Marcin Ślusarz <marcin.slusarz@intel.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/13189>
This commit is contained in:
Marcin Ślusarz 2021-08-06 13:58:06 +02:00 committed by Marge Bot
parent 5b8c993d50
commit 183987d438
1 changed files with 13 additions and 34 deletions
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47
src/intel/compiler/brw_nir_lower_conversions.c
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@ -63,7 +63,7 @@ split_conversion(nir_builder *b, nir_alu_instr *alu, nir_op op1, nir_op op2)
}
static bool
lower_instr(nir_builder *b, nir_alu_instr *alu)
lower_alu_instr(nir_builder *b, nir_alu_instr *alu)
{
unsigned src_bit_size = nir_src_bit_size(alu->src[0].src);
nir_alu_type src_type = nir_op_infos[alu->op].input_types[0];
@ -126,46 +126,25 @@ lower_instr(nir_builder *b, nir_alu_instr *alu)
}
static bool
lower_impl(nir_function_impl *impl)
lower_instr(nir_builder *b, nir_instr *instr, UNUSED void *cb_data)
{
nir_builder b;
nir_builder_init(&b, impl);
bool progress = false;
if (instr->type != nir_instr_type_alu)
return false;
nir_foreach_block(block, impl) {
nir_foreach_instr_safe(instr, block) {
if (instr->type != nir_instr_type_alu)
continue;
nir_alu_instr *alu = nir_instr_as_alu(instr);
assert(alu->dest.dest.is_ssa);
nir_alu_instr *alu = nir_instr_as_alu(instr);
assert(alu->dest.dest.is_ssa);
if (!nir_op_infos[alu->op].is_conversion)
return false;
if (!nir_op_infos[alu->op].is_conversion)
continue;
progress = lower_instr(&b, alu) || progress;
}
}
if (progress) {
nir_metadata_preserve(impl, nir_metadata_block_index |
nir_metadata_dominance);
} else {
nir_metadata_preserve(impl, nir_metadata_all);
}
return progress;
return lower_alu_instr(b, alu);
}
bool
brw_nir_lower_conversions(nir_shader *shader)
{
bool progress = false;
nir_foreach_function(function, shader) {
if (function->impl)
progress |= lower_impl(function->impl);
}
return progress;
return nir_shader_instructions_pass(shader, lower_instr,
nir_metadata_block_index |
nir_metadata_dominance,
NULL);
}