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nir: refactor nir_can_move_instr

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Reviewed-by: Rhys Perry <pendingchaos02@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/5622>
This commit is contained in:
Daniel Schürmann
2020-06-24 11:23:05 +01:00
parent 09d0e06c5c
commit 9300a14ffb
1 changed files with 24 additions and 27 deletions
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51
src/compiler/nir/nir_opt_sink.c
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@@ -39,37 +39,34 @@
bool
nir_can_move_instr(nir_instr *instr, nir_move_options options)
{
if ((options & nir_move_const_undef) && instr->type == nir_instr_type_load_const) {
return true;
switch (instr->type) {
case nir_instr_type_load_const:
case nir_instr_type_ssa_undef: {
return options & nir_move_const_undef;
}
if (instr->type == nir_instr_type_intrinsic) {
nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
if ((options & nir_move_load_ubo) && intrin->intrinsic == nir_intrinsic_load_ubo)
return true;
if ((options & nir_move_load_input) &&
(intrin->intrinsic == nir_intrinsic_load_interpolated_input ||
intrin->intrinsic == nir_intrinsic_load_input ||
intrin->intrinsic == nir_intrinsic_load_per_vertex_input))
return true;
case nir_instr_type_alu: {
if (nir_op_is_vec(nir_instr_as_alu(instr)->op))
return options & nir_move_copies;
if (nir_alu_instr_is_comparison(nir_instr_as_alu(instr)))
return options & nir_move_comparisons;
return false;
}
if ((options & nir_move_const_undef) && instr->type == nir_instr_type_ssa_undef) {
return true;
case nir_instr_type_intrinsic: {
nir_intrinsic_instr *intrin = nir_instr_as_intrinsic(instr);
switch (intrin->intrinsic) {
case nir_intrinsic_load_ubo:
return options & nir_move_load_ubo;
case nir_intrinsic_load_input:
case nir_intrinsic_load_interpolated_input:
case nir_intrinsic_load_per_vertex_input:
return options & nir_move_load_input;
default:
return false;
}
}
if ((options & nir_move_copies) && instr->type == nir_instr_type_alu &&
nir_op_is_vec(nir_instr_as_alu(instr)->op)) {
return true;
default:
return false;
}
if ((options & nir_move_comparisons) && instr->type == nir_instr_type_alu &&
nir_alu_instr_is_comparison(nir_instr_as_alu(instr))) {
return true;
}
return false;
}
static nir_loop *