vendor/llvm/llvm-trunk-r321017

1 files changed, 42 insertions, 0 deletions

diff --git a/include/llvm/CodeGen/TargetOpcodes.h b/include/llvm/CodeGen/TargetOpcodes.h
new file mode 100644
index 000000000000..3ca31a970944
--- /dev/null
+++ b/include/llvm/CodeGen/TargetOpcodes.h
@@ -0,0 +1,42 @@
+//===-- llvm/CodeGen/TargetOpcodes.h - Target Indep Opcodes -----*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// 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/CodeGen/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;
+}
+} // end namespace llvm
+
+#endif