Initial Commit

thirdparty/capstone/suite/synctools/tablegen/include/llvm/CodeGen/TargetOpcodes.h

@@ -0,0 +1,49 @@
+//===-- llvm/CodeGen/TargetOpcodes.h - Target Indep Opcodes -----*- 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 defines the target independent instruction opcodes.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CODEGEN_TARGETOPCODES_H
+#define LLVM_CODEGEN_TARGETOPCODES_H
+
+namespace llvm {
+
+/// Invariant opcodes: All instruction sets have these as their low opcodes.
+///
+namespace TargetOpcode {
+enum {
+#define HANDLE_TARGET_OPCODE(OPC) OPC,
+#define HANDLE_TARGET_OPCODE_MARKER(IDENT, OPC) IDENT = OPC,
+#include "llvm/Support/TargetOpcodes.def"
+};
+} // end namespace TargetOpcode
+
+/// Check whether the given Opcode is a generic opcode that is not supposed
+/// to appear after ISel.
+inline bool isPreISelGenericOpcode(unsigned Opcode) {
+  return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_START &&
+         Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
+}
+
+/// Check whether the given Opcode is a target-specific opcode.
+inline bool isTargetSpecificOpcode(unsigned Opcode) {
+  return Opcode > TargetOpcode::PRE_ISEL_GENERIC_OPCODE_END;
+}
+
+/// \returns true if \p Opcode is an optimization hint opcode which is not
+/// supposed to appear after ISel.
+inline bool isPreISelGenericOptimizationHint(unsigned Opcode) {
+  return Opcode >= TargetOpcode::PRE_ISEL_GENERIC_OPTIMIZATION_HINT_START &&
+         Opcode <= TargetOpcode::PRE_ISEL_GENERIC_OPTIMIZATION_HINT_END;
+}
+
+} // end namespace llvm
+
+#endif