diff --git a/src/compiler/nir/nir_builder.h b/src/compiler/nir/nir_builder.h
index 6225579e286..7f5ffb52a65 100644
--- a/src/compiler/nir/nir_builder.h
+++ b/src/compiler/nir/nir_builder.h
@@ -731,6 +731,20 @@ nir_iand_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)
    }
 }
 
+static inline nir_ssa_def *
+nir_ior_imm(nir_builder *build, nir_ssa_def *x, uint64_t y)
+{
+   assert(x->bit_size <= 64);
+   y &= BITFIELD64_MASK(x->bit_size);
+
+   if (y == 0) {
+      return x;
+   } else if (y == BITFIELD64_MASK(x->bit_size)) {
+      return nir_imm_intN_t(build, y, x->bit_size);
+   } else
+      return nir_ior(build, x, nir_imm_intN_t(build, y, x->bit_size));
+}
+
 static inline nir_ssa_def *
 nir_ishl_imm(nir_builder *build, nir_ssa_def *x, uint32_t y)
 {