add test

Author: CoTinker

mlir/test/Dialect/Tosa/canonicalize.mlir

@@ -241,6 +241,26 @@ func.func @clamp_f32_is_noop(%arg0: tensor<4xf32>) -> tensor<4xf32> {
 
 // -----
 
+// CHECK-LABEL: @clamp_boolean_is_noop
+func.func @clamp_boolean_is_noop(%arg0: tensor<4xi1>) -> tensor<4xi1> {
+  // CHECK: return %arg0
+  // CHECK-NOT: tosa.clamp
+  %0 = tosa.clamp %arg0 {min_val = false, max_val = true} : (tensor<4xi1>) -> tensor<4xi1>
+  return %0 : tensor<4xi1>
+}
+
+// -----
+
+// CHECK-LABEL: @clamp_boolean_dynamic_is_noop
+func.func @clamp_boolean_dynamic_is_noop(%arg0: tensor<?xi1>) -> tensor<?xi1> {
+  // CHECK: return %arg0
+  // CHECK-NOT: tosa.clamp
+  %0 = tosa.clamp %arg0 {min_val = false, max_val = true} : (tensor<?xi1>) -> tensor<?xi1>
+  return %0 : tensor<?xi1>
+}
+
+// -----
+
 // CHECK-LABEL: @clamp_int8_is_noop
 func.func @clamp_int8_is_noop(%arg0: tensor<4xi8>) -> tensor<4xi8> {
   // CHECK: return %arg0