[Mlir-commits] [mlir] [MLIR][Transform][SMT] Introduce transform.smt.constrain_params (PR #159450)

[Frank Schlimbach]

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@@ -0,0 +1,32 @@
+// RUN: mlir-opt %s --transform-interpreter --split-input-file --verify-diagnostics
+
+// CHECK-LABEL: @constraint_not_using_smt_ops
+module attributes {transform.with_named_sequence} {
+  transform.named_sequence @constraint_not_using_smt_ops(%arg0: !transform.any_op {transform.readonly}) {
+    %param_as_param = transform.param.constant 42 -> !transform.param<i64>
+    // expected-error at below {{ops contained in region should belong to SMT-dialect}}
+    transform.smt.constrain_params(%param_as_param) : !transform.param<i64> {
+      ^bb0(%param_as_smt_var: !smt.int):
+      %c4 = arith.constant 4 : i32
+      // This is the kind of thing one might think works:
+      //arith.remsi %param_as_smt_var, %c4 : i32
+    }
+    transform.yield
+  }
+}
+
+// -----
+
+// CHECK-LABEL: @operands_not_one_to_one_with_vars
+module attributes {transform.with_named_sequence} {
+  transform.named_sequence @operands_not_one_to_one_with_vars(%arg0: !transform.any_op {transform.readonly}) {
+    %param_as_param = transform.param.constant 42 -> !transform.param<i64>
+    // expected-error at below {{must have the same number of block arguments as operands}}
+    transform.smt.constrain_params(%param_as_param) : !transform.param<i64> {
+      ^bb0(%param_as_smt_var: !smt.int, %param_as_another_smt_var: !smt.int):
+      // This is the kind of thing one might think works:
+      //arith.remsi %param_as_smt_var, %c4 : i32
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fschlimb wrote:

```suggestion
```

https://github.com/llvm/llvm-project/pull/159450