diff --git a/src/microsoft/clc/clc_compiler.c b/src/microsoft/clc/clc_compiler.c
index 8c252256a67..454c53ffbe9 100644
--- a/src/microsoft/clc/clc_compiler.c
+++ b/src/microsoft/clc/clc_compiler.c
@@ -818,6 +818,8 @@ clc_spirv_to_dxil(struct clc_libclc *lib,
          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_split_var_copies);
+         NIR_PASS(progress, nir, nir_lower_var_copies);
          NIR_PASS(progress, nir, nir_lower_vars_to_ssa);
          NIR_PASS(progress, nir, nir_opt_algebraic);
       } while (progress);