freedreno/ir3: cleanup after lower_locals_to_regs

Signed-off-by: Rob Clark <robdclark@chromium.org>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/merge_requests/3569>
This commit is contained in:
Rob Clark 2019-12-17 11:57:14 -08:00 committed by Marge Bot
parent f0b792ea06
commit c1194e10b2

View file

@ -79,21 +79,30 @@ ir3_context_init(struct ir3_compiler *compiler,
* in ir3_optimize_nir():
*/
NIR_PASS_V(ctx->s, nir_lower_bool_to_int32);
NIR_PASS_V(ctx->s, nir_lower_locals_to_regs);
bool progress = false;
NIR_PASS(progress, ctx->s, nir_lower_locals_to_regs);
/* we could need cleanup after lower_locals_to_regs */
while (progress) {
progress = false;
NIR_PASS(progress, ctx->s, nir_opt_algebraic);
NIR_PASS(progress, ctx->s, nir_opt_constant_folding);
}
/* We want to lower nir_op_imul as late as possible, to catch also
* those generated by earlier passes (e.g, nir_lower_locals_to_regs).
* However, we want a final swing of a few passes to have a chance
* at optimizing the result.
*/
bool progress = false;
progress = false;
NIR_PASS(progress, ctx->s, ir3_nir_lower_imul);
if (progress) {
NIR_PASS_V(ctx->s, nir_opt_algebraic);
NIR_PASS_V(ctx->s, nir_opt_copy_prop_vars);
NIR_PASS_V(ctx->s, nir_opt_dead_write_vars);
NIR_PASS_V(ctx->s, nir_opt_dce);
NIR_PASS_V(ctx->s, nir_opt_constant_folding);
while (progress) {
progress = false;
NIR_PASS(progress, ctx->s, nir_opt_algebraic);
NIR_PASS(progress, ctx->s, nir_opt_copy_prop_vars);
NIR_PASS(progress, ctx->s, nir_opt_dead_write_vars);
NIR_PASS(progress, ctx->s, nir_opt_dce);
NIR_PASS(progress, ctx->s, nir_opt_constant_folding);
}
/* Enable the texture pre-fetch feature only a4xx onwards. But