diff --git a/src/microsoft/spirv_to_dxil/spirv_to_dxil.c b/src/microsoft/spirv_to_dxil/spirv_to_dxil.c
index e0b8447adb1..64cf6a92a11 100644
--- a/src/microsoft/spirv_to_dxil/spirv_to_dxil.c
+++ b/src/microsoft/spirv_to_dxil/spirv_to_dxil.c
@@ -23,6 +23,7 @@
 
 #include "spirv_to_dxil.h"
 #include "nir_to_dxil.h"
+#include "dxil_nir.h"
 #include "shader_enums.h"
 #include "spirv/nir_spirv.h"
 #include "util/blob.h"
@@ -73,6 +74,31 @@ spirv_to_dxil(const uint32_t *words, size_t word_count,
          exec_node_remove(&func->node);
    }
    assert(exec_list_length(&nir->functions) == 1);
+
+   NIR_PASS_V(nir, nir_lower_clip_cull_distance_arrays);
+   NIR_PASS_V(nir, nir_lower_io_to_temporaries, entrypoint->impl, true, true);
+   NIR_PASS_V(nir, nir_split_var_copies);
+   NIR_PASS_V(nir, nir_lower_var_copies);
+
+   {
+      bool progress;
+      do
+      {
+         progress = false;
+         NIR_PASS(progress, nir, nir_copy_prop);
+         NIR_PASS(progress, nir, nir_opt_copy_prop_vars);
+         NIR_PASS(progress, nir, nir_opt_deref);
+         NIR_PASS(progress, nir, nir_opt_dce);
+         NIR_PASS(progress, nir, nir_opt_undef);
+         NIR_PASS(progress, nir, nir_opt_constant_folding);
+         NIR_PASS(progress, nir, nir_opt_cse);
+         NIR_PASS(progress, nir, nir_lower_vars_to_ssa);
+         NIR_PASS(progress, nir, nir_opt_algebraic);
+      } while (progress);
+   }
+
+   NIR_PASS_V(nir, dxil_nir_split_clip_cull_distance);
+
    struct nir_to_dxil_options opts = {0};
 
    struct blob dxil_blob;