nir/algebraic: Distribute source modifiers into instructions

[mesa.git] / src / intel / compiler / brw_nir.c

diff --git a/src/intel/compiler/brw_nir.c b/src/intel/compiler/brw_nir.c
index 25395747c13d94cfe68914195b1ff90ea3d7708e..c7e9c0e1129939ef4b82aca710d3a4a25f9a92c6 100644 (file)
--- a/src/intel/compiler/brw_nir.c
+++ b/src/intel/compiler/brw_nir.c
@@ -907,10 +907,10 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
           * havok on the vec4 backend.  The handling of constants in the vec4
           * backend is not good.
           */
-         if (is_scalar) {
+         if (is_scalar)
             OPT(nir_opt_constant_folding);
-            OPT(nir_copy_prop);
-         }
+
+         OPT(nir_copy_prop);
          OPT(nir_opt_dce);
          OPT(nir_opt_cse);
       }
@@ -921,6 +921,13 @@ brw_postprocess_nir(nir_shader *nir, const struct brw_compiler *compiler,
 
    if (is_scalar)
       OPT(nir_lower_alu_to_scalar, NULL, NULL);
+
+   while (OPT(nir_opt_algebraic_distribute_src_mods)) {
+      OPT(nir_copy_prop);
+      OPT(nir_opt_dce);
+      OPT(nir_opt_cse);
+   }
+
    OPT(nir_lower_to_source_mods, nir_lower_all_source_mods);
    OPT(nir_copy_prop);
    OPT(nir_opt_dce);