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nir/opt_gcm: Use nir_op_is_derivative more

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Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Daniel Schürmann <daniel@schuermann.dev>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24833>
This commit is contained in:
Alyssa Rosenzweig
2023-08-24 07:08:34 -04:00
parent e0246ed8e4
commit 6d3425653a
1 changed files with 9 additions and 19 deletions
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src/compiler/nir/nir_opt_gcm.c
+9 -19
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@@ -311,30 +311,20 @@ gcm_pin_instructions(nir_function_impl *impl, struct gcm_state *state)
instr->index = state->num_instrs++;
switch (instr->type) {
case nir_instr_type_alu:
switch (nir_instr_as_alu(instr)->op) {
case nir_op_fddx:
case nir_op_fddy:
case nir_op_fddx_fine:
case nir_op_fddy_fine:
case nir_op_fddx_coarse:
case nir_op_fddy_coarse:
case nir_instr_type_alu: {
nir_alu_instr *alu = nir_instr_as_alu(instr);
if (nir_op_is_derivative(alu->op)) {
/* These can only go in uniform control flow */
instr->pass_flags = GCM_INSTR_SCHEDULE_EARLIER_ONLY;
break;
case nir_op_mov:
if (!is_src_scalarizable(&(nir_instr_as_alu(instr)->src[0].src))) {
instr->pass_flags = GCM_INSTR_PINNED;
break;
}
FALLTHROUGH;
default:
} else if (alu->op == nir_op_mov &&
!is_src_scalarizable(&alu->src[0].src)) {
instr->pass_flags = GCM_INSTR_PINNED;
} else {
instr->pass_flags = 0;
break;
}
break;
}
case nir_instr_type_tex: {
nir_tex_instr *tex = nir_instr_as_tex(instr);