diff --git a/tests/hlsl/combined-samplers.shader_test b/tests/hlsl/combined-samplers.shader_test
index 8972b541..28e9f1a7 100644
--- a/tests/hlsl/combined-samplers.shader_test
+++ b/tests/hlsl/combined-samplers.shader_test
@@ -1,5 +1,4 @@
 [require]
-shader model >= 4.0
 shader model < 6.0
 options: backcompat
 
@@ -49,7 +48,8 @@ todo(glsl) draw quad
 probe (0, 0) rgba (0, 0, 0, 1)
 
 
-% Textures for new separated samplers are allocated before regular textures.
+% On sm4, textures for new separated samplers are allocated before regular textures.
+% On sm1, textures for new combined samplers are allocated before regular samplers.
 [pixel shader]
 Texture2D tex;
 sampler sam;
@@ -61,7 +61,23 @@ float4 main() : sv_target
 
 [test]
 todo(glsl) draw quad
-probe (0, 0) rgba (10, 10, 10, 11)
+if(sm<4)  todo probe (0, 0) rgba (1, 1, 1, 11)
+if(sm>=4) probe (0, 0) rgba (10, 10, 10, 11)
+
+
+[pixel shader]
+Texture2D tex;
+sampler sam;
+
+float4 main() : sv_target
+{
+    return 10 * tex.Sample(sam, float2(0, 0)) + tex2D(sam, float2(0, 0));
+}
+
+[test]
+todo(glsl) draw quad
+if(sm<4)  todo probe (0, 0) rgba (1, 1, 1, 11)
+if(sm>=4) probe (0, 0) rgba (10, 10, 10, 11)
 
 
 [pixel shader todo(sm<4)]
@@ -74,7 +90,7 @@ float4 main() : sv_target
 }
 
 [test]
-todo(glsl) draw quad
+todo(sm<4 | glsl) draw quad
 probe (0, 0) rgba (21, 21, 21, 11)
 
 
@@ -91,10 +107,11 @@ float4 main() : sv_target
 
 [test]
 todo(glsl) draw quad
-probe (0, 0) rgba (12, 12, 12, 111)
+if(sm<4)  probe (0, 0) rgba (102, 102, 102, 111)
+if(sm>=4) probe (0, 0) rgba (12, 12, 12, 111)
 
 
-[pixel shader]
+[pixel shader notimpl(sm<4)]
 Texture2D tex[2][2];
 sampler sam;