[CIR] Backport CIRAttrConstraints definitions (#1723)

Author: xlauko

clang/include/clang/CIR/Dialect/IR/CIRAttrConstraints.td

@@ -0,0 +1,48 @@
+//===----------------------------------------------------------------------===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+//
+// This file defines the CIR dialect attributes constraints.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef CLANG_CIR_DIALECT_IR_CIRATTRCONSTRAINTS_TD
+#define CLANG_CIR_DIALECT_IR_CIRATTRCONSTRAINTS_TD
+
+include "mlir/IR/CommonAttrConstraints.td"
+
+class CIR_IsAttrPred<code attr> : CPred<"::mlir::isa<" # attr # ">($_self)">;
+
+class CIR_AttrConstraint<code attr, string summary = "">
+    : Attr<CIR_IsAttrPred<attr>, summary>;
+
+//===----------------------------------------------------------------------===//
+// IntAttr constraints
+//===----------------------------------------------------------------------===//
+
+def CIR_AnyIntAttr : CIR_AttrConstraint<"::cir::IntAttr", "integer attribute">;
+
+//===----------------------------------------------------------------------===//
+// FPAttr constraints
+//===----------------------------------------------------------------------===//
+
+def CIR_AnyFPAttr : CIR_AttrConstraint<"::cir::FPAttr",
+  "floating-point attribute">;
+
+def CIR_AnyIntOrFloatAttr : AnyAttrOf<[CIR_AnyIntAttr, CIR_AnyFPAttr],
+    "integer or floating point type"> {
+  string cppType = "::mlir::TypedAttr";
+}
+
+//===----------------------------------------------------------------------===//
+// ArrayAttr constraints
+//===----------------------------------------------------------------------===//
+
+def CIR_IntArrayAttr : TypedArrayAttrBase<CIR_AnyIntAttr,
+   "integer array attribute">;
+
+#endif // CLANG_CIR_DIALECT_IR_CIRATTRCONSTRAINTS_TD

clang/include/clang/CIR/Dialect/IR/CIRAttrs.td

@@ -17,6 +17,7 @@ include "mlir/IR/BuiltinAttributeInterfaces.td"
 include "mlir/IR/EnumAttr.td"
 
 include "clang/CIR/Dialect/IR/CIRDialect.td"
+include "clang/CIR/Dialect/IR/CIRAttrConstraints.td"
 
 include "clang/CIR/Interfaces/ASTAttrInterfaces.td"
 

clang/include/clang/CIR/Dialect/IR/CIROps.td

@@ -18,6 +18,8 @@ include "clang/CIR/Dialect/IR/CIRDialect.td"
 include "clang/CIR/Dialect/IR/CIRTypes.td"
 include "clang/CIR/Dialect/IR/CIRTypeConstraints.td"
 include "clang/CIR/Dialect/IR/CIRAttrs.td"
+include "clang/CIR/Dialect/IR/CIRAttrConstraints.td"
+
 
 include "clang/CIR/Interfaces/ASTAttrInterfaces.td"
 include "clang/CIR/Interfaces/CIROpInterfaces.td"