diff --git a/libs/vkd3d-shader/msl.c b/libs/vkd3d-shader/msl.c
index f1ca581f..f7261654 100644
--- a/libs/vkd3d-shader/msl.c
+++ b/libs/vkd3d-shader/msl.c
@@ -511,6 +511,21 @@ static void msl_endif(struct msl_generator *gen)
     vkd3d_string_buffer_printf(gen->buffer, "}\n");
 }
 
+static void msl_unary_op(struct msl_generator *gen, const struct vkd3d_shader_instruction *ins, const char *op)
+{
+    struct msl_src src;
+    struct msl_dst dst;
+    uint32_t mask;
+
+    mask = msl_dst_init(&dst, gen, ins, &ins->dst[0]);
+    msl_src_init(&src, gen, &ins->src[0], mask);
+
+    msl_print_assignment(gen, &dst, "%s%s", op, src.str->buffer);
+
+    msl_src_cleanup(&src, &gen->string_buffers);
+    msl_dst_cleanup(&dst, &gen->string_buffers);
+}
+
 static void msl_mov(struct msl_generator *gen, const struct vkd3d_shader_instruction *ins)
 {
     struct msl_src src;
@@ -636,6 +651,9 @@ static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d
         case VKD3DSIH_MUL:
             msl_binop(gen, ins, "*");
             break;
+        case VKD3DSIH_NOT:
+            msl_unary_op(gen, ins, "~");
+            break;
         case VKD3DSIH_OR:
             msl_binop(gen, ins, "|");
             break;
diff --git a/tests/hlsl/cf-cond-types.shader_test b/tests/hlsl/cf-cond-types.shader_test
index b21eb44c..ce49600a 100644
--- a/tests/hlsl/cf-cond-types.shader_test
+++ b/tests/hlsl/cf-cond-types.shader_test
@@ -124,8 +124,8 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float4 -2.0 0.0 0.0 0.0
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (1.0, 1.0, 1.0, 1.0)
 uniform 0 float4 -0.0 0.0 0.0 0.0
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.0, 0.0, 0.0, 0.0)
diff --git a/tests/hlsl/conditional.shader_test b/tests/hlsl/conditional.shader_test
index 6f2cb5d3..5385e291 100644
--- a/tests/hlsl/conditional.shader_test
+++ b/tests/hlsl/conditional.shader_test
@@ -87,10 +87,10 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float -2
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgba (1, 2, 3, 4)
 uniform 0 float 10
-todo(msl) draw quad
+draw quad
 probe (0, 0) rgba (10, 20, 30, 40)
 
 
diff --git a/tests/hlsl/function-return.shader_test b/tests/hlsl/function-return.shader_test
index 184b4fda..051c9edf 100644
--- a/tests/hlsl/function-return.shader_test
+++ b/tests/hlsl/function-return.shader_test
@@ -134,13 +134,13 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float 0.1
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.2, 0.1, 0.2, 0.1) 1
 uniform 0 float 0.5
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.5, 0.4, 1.0, 0.9) 1
 uniform 0 float 0.9
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (1.0, 0.9, 1.0, 0.6) 1
 
 [pixel shader]
diff --git a/tests/hlsl/return.shader_test b/tests/hlsl/return.shader_test
index 50668259..10249fbf 100644
--- a/tests/hlsl/return.shader_test
+++ b/tests/hlsl/return.shader_test
@@ -37,10 +37,10 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float 0.2
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.1, 0.2, 0.3, 0.4)
 uniform 0 float 0.8
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.5, 0.6, 0.7, 0.8)
 
 [pixel shader todo(sm<4)]
@@ -89,13 +89,13 @@ void main(out float4 ret : sv_target)
 
 [test]
 uniform 0 float 0.1
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.1, 0.2, 0.3, 0.4) 1
 uniform 0 float 0.5
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.2, 0.3, 0.4, 0.5) 1
 uniform 0 float 0.9
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.5, 0.6, 0.7, 0.8) 1
 
 [pixel shader todo(sm<4)]
@@ -115,13 +115,13 @@ void main(out float4 ret : sv_target)
 
 [test]
 uniform 0 float 0.1
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.1, 0.2, 0.3, 0.4) 1
 uniform 0 float 0.5
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.5, 0.6, 0.7, 0.8) 1
 uniform 0 float 0.9
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0, 0) rgba (0.4, 0.5, 0.6, 0.7) 1
 
 [pixel shader]
diff --git a/tests/hlsl/unroll.shader_test b/tests/hlsl/unroll.shader_test
index bc7cbe48..c7b3d9b8 100644
--- a/tests/hlsl/unroll.shader_test
+++ b/tests/hlsl/unroll.shader_test
@@ -19,7 +19,7 @@ float4 main() : sv_target
 
 [test]
 uniform 0 float 1
-todo(sm<4 | msl) draw quad
+todo(sm<4) draw quad
 probe (0,0) rgba(10.0, 1.0, 2.0, 3.0)
 
 [pixel shader]