[Mlir-commits] [mlir] [mlir][SMT] upstream `SMT` dialect (PR #131480)

[Maksim Levental]

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@@ -0,0 +1,47 @@
+//===- SMTDialect.cpp - SMT dialect implementation ------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "mlir/Dialect/SMT/IR/SMTDialect.h"
+#include "mlir/Dialect/SMT/IR/SMTAttributes.h"
+#include "mlir/Dialect/SMT/IR/SMTOps.h"
+#include "mlir/Dialect/SMT/IR/SMTTypes.h"
+
+using namespace mlir;
+using namespace smt;
+
+void SMTDialect::initialize() {
+  registerAttributes();
+  registerTypes();
+  addOperations<
+#define GET_OP_LIST
+#include "mlir/Dialect/SMT/IR/SMT.cpp.inc"
+      >();
+}
+
+Operation *SMTDialect::materializeConstant(OpBuilder &builder, Attribute value,
+                                           Type type, Location loc) {
+  // BitVectorType constants can materialize into smt.bv.constant
+  if (auto bvType = dyn_cast<BitVectorType>(type)) {
+    if (auto attrValue = dyn_cast<BitVectorAttr>(value)) {
+      assert(bvType == attrValue.getType() &&
+             "attribute and desired result types have to match");
+      return builder.create<BVConstantOp>(loc, attrValue);
+    }
+  }
+
+  // BoolType constants can materialize into smt.constant
+  if (auto boolType = dyn_cast<BoolType>(type)) {
+    if (auto attrValue = dyn_cast<BoolAttr>(value))
+      return builder.create<BoolConstantOp>(loc, attrValue);
+  }
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makslevental wrote:

Err two nested ifs require bracing - it's somewhere in some LLVM style guide 

https://github.com/llvm/llvm-project/pull/131480