Vendor import of llvm trunk r154661:vendor/llvm/llvm-trunk-r154661

http://llvm.org/svn/llvm-project/llvm/trunk@r154661

1 files changed, 74 insertions, 0 deletions

diff --git a/lib/Target/Hexagon/Hexagon.h b/lib/Target/Hexagon/Hexagon.h
new file mode 100644
index 000000000000..43858b9624f1
--- /dev/null
+++ b/lib/Target/Hexagon/Hexagon.h
@@ -0,0 +1,74 @@
+//=-- Hexagon.h - Top-level interface for Hexagon representation --*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains the entry points for global functions defined in the LLVM
+// Hexagon back-end.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef TARGET_Hexagon_H
+#define TARGET_Hexagon_H
+
+#include "MCTargetDesc/HexagonMCTargetDesc.h"
+#include "llvm/Target/TargetLowering.h"
+#include "llvm/Target/TargetMachine.h"
+
+namespace llvm {
+  class FunctionPass;
+  class TargetMachine;
+  class MachineInstr;
+  class MCInst;
+  class HexagonAsmPrinter;
+  class HexagonTargetMachine;
+  class raw_ostream;
+
+  FunctionPass *createHexagonISelDag(HexagonTargetMachine &TM);
+  FunctionPass *createHexagonDelaySlotFillerPass(TargetMachine &TM);
+  FunctionPass *createHexagonFPMoverPass(TargetMachine &TM);
+  FunctionPass *createHexagonRemoveExtendOps(HexagonTargetMachine &TM);
+  FunctionPass *createHexagonCFGOptimizer(HexagonTargetMachine &TM);
+
+  FunctionPass *createHexagonSplitTFRCondSets(HexagonTargetMachine &TM);
+  FunctionPass *createHexagonExpandPredSpillCode(HexagonTargetMachine &TM);
+
+  FunctionPass *createHexagonHardwareLoops();
+  FunctionPass *createHexagonPeephole();
+  FunctionPass *createHexagonFixupHwLoops();
+  FunctionPass *createHexagonPacketizer();
+
+/* TODO: object output.
+  MCCodeEmitter *createHexagonMCCodeEmitter(const Target &,
+                                            TargetMachine &TM,
+                                            MCContext &Ctx);
+*/
+/* TODO: assembler input.
+  TargetAsmBackend *createHexagonAsmBackend(const Target &, const std::string &);
+*/
+  void HexagonLowerToMC(const MachineInstr *MI, MCInst &MCI,
+                        HexagonAsmPrinter &AP);
+} // end namespace llvm;
+
+#define Hexagon_POINTER_SIZE 4
+
+#define Hexagon_PointerSize (Hexagon_POINTER_SIZE)
+#define Hexagon_PointerSize_Bits (Hexagon_POINTER_SIZE * 8)
+#define Hexagon_WordSize Hexagon_PointerSize
+#define Hexagon_WordSize_Bits Hexagon_PointerSize_Bits
+
+// allocframe saves LR and FP on stack before allocating
+// a new stack frame. This takes 8 bytes.
+#define HEXAGON_LRFP_SIZE 8
+
+// Normal instruction size (in bytes).
+#define HEXAGON_INSTR_SIZE 4
+
+// Maximum number of words in a packet (in instructions).
+#define HEXAGON_PACKET_SIZE 4
+
+#endif