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thirdparty/capstone/suite/synctools/tablegen/include/llvm/Target/TargetIntrinsicInfo.h

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+//===-- llvm/Target/TargetIntrinsicInfo.h - Instruction Info ----*- C++ -*-===//
+//
+// 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 describes the target intrinsic instructions to the code generator.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_TARGETINTRINSICINFO_H
+#define LLVM_TARGET_TARGETINTRINSICINFO_H
+
+#include "llvm/ADT/StringRef.h"
+#include <string>
+
+namespace llvm {
+
+class Function;
+class Module;
+class Type;
+
+//---------------------------------------------------------------------------
+///
+/// TargetIntrinsicInfo - Interface to description of machine instruction set
+///
+class TargetIntrinsicInfo {
+  TargetIntrinsicInfo(const TargetIntrinsicInfo &) = delete;
+  void operator=(const TargetIntrinsicInfo &) = delete;
+public:
+  TargetIntrinsicInfo();
+  virtual ~TargetIntrinsicInfo();
+
+  /// Return the name of a target intrinsic, e.g. "llvm.bfin.ssync".
+  /// The Tys and numTys parameters are for intrinsics with overloaded types
+  /// (e.g., those using iAny or fAny). For a declaration for an overloaded
+  /// intrinsic, Tys should point to an array of numTys pointers to Type,
+  /// and must provide exactly one type for each overloaded type in the
+  /// intrinsic.
+  virtual std::string getName(unsigned IID, Type **Tys = nullptr,
+                              unsigned numTys = 0) const = 0;
+
+  /// Look up target intrinsic by name. Return intrinsic ID or 0 for unknown
+  /// names.
+  virtual unsigned lookupName(const char *Name, unsigned Len) const =0;
+
+  unsigned lookupName(StringRef Name) const {
+    return lookupName(Name.data(), Name.size());
+  }
+
+  /// Return the target intrinsic ID of a function, or 0.
+  virtual unsigned getIntrinsicID(const Function *F) const;
+
+  /// Returns true if the intrinsic can be overloaded.
+  virtual bool isOverloaded(unsigned IID) const = 0;
+
+  /// Create or insert an LLVM Function declaration for an intrinsic,
+  /// and return it. The Tys and numTys are for intrinsics with overloaded
+  /// types. See above for more information.
+  virtual Function *getDeclaration(Module *M, unsigned ID, Type **Tys = nullptr,
+                                   unsigned numTys = 0) const = 0;
+};
+
+} // End llvm namespace
+
+#endif