diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index 0405e694..5daeccb0 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -740,6 +740,9 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
         case VKD3DSIH_GEO:
             shader_glsl_relop(gen, ins, ">=", "greaterThanEqual");
             break;
+        case VKD3DSIH_LTO:
+            shader_glsl_relop(gen, ins, "<", "lessThan");
+            break;
         case VKD3DSIH_INE:
         case VKD3DSIH_NEU:
             shader_glsl_relop(gen, ins, "!=", "notEqual");
diff --git a/tests/hlsl/faceforward.shader_test b/tests/hlsl/faceforward.shader_test
index a7835855..283594c2 100644
--- a/tests/hlsl/faceforward.shader_test
+++ b/tests/hlsl/faceforward.shader_test
@@ -12,41 +12,41 @@ float4 main() : sv_target
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 1.0 0.0 0.0 0.0
 uniform 8 float4 1.0 0.2 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (-10.0, -20.0, -30.0, -40.0)
 
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 1.0 0.0 0.0 0.0
 uniform 8 float4 1.0 -0.2 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (-10.0, -20.0, -30.0, -40.0)
 
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 1.0 0.0 0.0 0.0
 uniform 8 float4 -1.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (10.0, 20.0, 30.0, 40.0)
 
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 0.0 -1.0 0.0 0.0
 uniform 8 float4 0.0 1.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (10.0, 20.0, 30.0, 40.0)
 
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 1.0 0.0 0.0 0.0
 uniform 8 float4 0.0 1.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (-10.0, -20.0, -30.0, -40.0)
 
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 0.0 0.0 0.0 0.0
 uniform 8 float4 0.0 1.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (-10.0, -20.0, -30.0, -40.0)
 
 uniform 0 float4 10.0 20.0 30.0 40.0
 uniform 4 float4 0.0 0.0 0.0 0.0
 uniform 8 float4 0.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (-10.0, -20.0, -30.0, -40.0)
diff --git a/tests/hlsl/float-comparison.shader_test b/tests/hlsl/float-comparison.shader_test
index 6cfa592f..9a291f3f 100644
--- a/tests/hlsl/float-comparison.shader_test
+++ b/tests/hlsl/float-comparison.shader_test
@@ -9,7 +9,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0)
 
 
diff --git a/tests/hlsl/inverse-trig.shader_test b/tests/hlsl/inverse-trig.shader_test
index 7dde8f2f..cf3bcbec 100644
--- a/tests/hlsl/inverse-trig.shader_test
+++ b/tests/hlsl/inverse-trig.shader_test
@@ -13,23 +13,23 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 -1.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (3.14159274, 0.0, 0.0, 0.0) 128
 
 uniform 0 float4 -0.5 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (2.094441441, 0.0, 0.0, 0.0) 256
 
 uniform 0 float4 0.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (1.57072878, 0.0, 0.0, 0.0) 1024
 
 uniform 0 float4 0.5 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (1.04715133, 0.0, 0.0, 0.0) 512
 
 uniform 0 float4 1.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0) 128
 
 [pixel shader]
diff --git a/tests/hlsl/vertex-shader-ops.shader_test b/tests/hlsl/vertex-shader-ops.shader_test
index 8ea773d0..3f4f1f31 100644
--- a/tests/hlsl/vertex-shader-ops.shader_test
+++ b/tests/hlsl/vertex-shader-ops.shader_test
@@ -28,7 +28,7 @@ void main(out float4 res : COLOR1, in float4 pos : position, out float4 out_pos
 [test]
 if(sm<4)  uniform 0 float 0.0
 if(sm>=4) uniform 0 float4 0.0 0.0 0.0 0.0
-todo(glsl) draw quad
+draw quad
 probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0)