Support for Hexagon VLIW Packetizer.

llvm-svn: 155365

1 files changed, 41 insertions, 0 deletions

diff --git a/llvm/lib/Target/Hexagon/HexagonMCInst.h b/llvm/lib/Target/Hexagon/HexagonMCInst.h
new file mode 100644
index 00000000000..16ea7cf6ed7
--- /dev/null
+++ b/llvm/lib/Target/Hexagon/HexagonMCInst.h
@@ -0,0 +1,41 @@
+//===- HexagonMCInst.h - Hexagon sub-class of MCInst ----------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This class extends MCInst to allow some VLIW annotation.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef HEXAGONMCINST_H
+#define HEXAGONMCINST_H
+
+#include "llvm/MC/MCInst.h"
+#include "llvm/CodeGen/MachineInstr.h"
+
+namespace llvm {
+  class HexagonMCInst: public MCInst {
+    // Packet start and end markers
+    unsigned startPacket: 1, endPacket: 1;
+    const MachineInstr *MachineI;
+  public:
+    explicit HexagonMCInst(): MCInst(),
+                              startPacket(0), endPacket(0) {}
+
+    const MachineInstr* getMI() const { return MachineI; };
+
+    void setMI(const MachineInstr *MI) { MachineI = MI; };
+
+    bool isStartPacket() const { return (startPacket); };
+    bool isEndPacket() const { return (endPacket); };
+
+    void setStartPacket(bool yes) { startPacket = yes; };
+    void setEndPacket(bool yes) { endPacket = yes; };
+  };
+}
+
+#endif