nir: Drop no-op all_srcs_are_ssa

Signed-off-by: Alyssa Rosenzweig <alyssa@rosenzweig.io>
Reviewed-by: Faith Ekstrand <faith.ekstrand@collabora.com>
Reviewed-by: Marek Olšák <marek.olsak@amd.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/24432>

diff --git a/src/compiler/nir/nir_opt_rematerialize_compares.c b/src/compiler/nir/nir_opt_rematerialize_compares.c
index 16ae6c0..7bcb70a 100644 (file)
--- a/src/compiler/nir/nir_opt_rematerialize_compares.c
+++ b/src/compiler/nir/nir_opt_rematerialize_compares.c
@@ -58,16 +58,6 @@ is_two_src_comparison(const nir_alu_instr *instr)
 }
 
 static bool
-all_srcs_are_ssa(const nir_alu_instr *instr)
-{
-   for (unsigned i = 0; i < nir_op_infos[instr->op].num_inputs; i++) {
-   }
-
-   return true;
-}
-
-
-static bool
 all_uses_are_bcsel(const nir_alu_instr *instr)
 {
    nir_foreach_use(use, &instr->dest.dest.ssa) {
@@ -103,9 +93,6 @@ nir_opt_rematerialize_compares_impl(nir_shader *shader, nir_function_impl *impl)
          if (!is_two_src_comparison(alu))
             continue;
 
-         if (!all_srcs_are_ssa(alu))
-            continue;
-
          if (!all_uses_are_bcsel(alu))
             continue;