1 files changed, 137 insertions, 0 deletions
diff --git a/contrib/llvm/lib/Target/PIC16/PIC16.h b/contrib/llvm/lib/Target/PIC16/PIC16.h
new file mode 100644
index 0000000..cee55f4
--- /dev/null
+++ b/contrib/llvm/lib/Target/PIC16/PIC16.h
@@ -0,0 +1,137 @@
+//===-- PIC16.h - Top-level interface for PIC16 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 PIC16 back-end.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_TARGET_PIC16_H
+#define LLVM_TARGET_PIC16_H
+
+#include "llvm/Support/ErrorHandling.h"
+#include "llvm/Target/TargetMachine.h"
+#include <cassert>
+#include <sstream>
+#include <cstring>
+#include <string>
+#include <vector>
+
+namespace llvm {
+  class PIC16TargetMachine;
+  class FunctionPass;
+  class MachineCodeEmitter;
+  class formatted_raw_ostream;
+
+namespace PIC16CC {
+  enum CondCodes {
+    EQ,
+    NE,
+    LT,
+    LE,
+    GT,
+    GE,
+    ULT,
+    UGT,
+    ULE,
+    UGE
+  };
+}
+
+  enum PIC16SectionType {
+      CODE,
+      UDATA,
+      IDATA,
+      ROMDATA,
+      UDATA_OVR,
+      UDATA_SHR
+    };
+
+  class ESNames {
+    std::vector<char*> stk;
+    ESNames() {}
+    public:
+    ~ESNames() {
+      std::vector<char*>::iterator it = stk.end();
+      it--;
+      while(stk.end() != stk.begin())
+        {
+        char* p = *it;
+        delete [] p;
+        it--;
+        stk.pop_back();
+        }
+    }
+
+    // External symbol names require memory to live till the program end.
+    // So we have to allocate it and keep. Push all such allocations into a 
+    // vector so that they get freed up on termination.
+    inline static const char *createESName (const std::string &name) {
+      static ESNames esn;
+      char *tmpName = new char[name.size() + 1];
+      memcpy(tmpName, name.c_str(), name.size() + 1);
+      esn.stk.push_back(tmpName);
+      return tmpName;
+    }
+
+ };
+
+  inline static const char *PIC16CondCodeToString(PIC16CC::CondCodes CC) {
+    switch (CC) {
+    default: llvm_unreachable("Unknown condition code");
+    case PIC16CC::NE:  return "ne";
+    case PIC16CC::EQ:   return "eq";
+    case PIC16CC::LT:   return "lt";
+    case PIC16CC::ULT:   return "lt";
+    case PIC16CC::LE:  return "le";
+    case PIC16CC::ULE:  return "le";
+    case PIC16CC::GT:  return "gt";
+    case PIC16CC::UGT:  return "gt";
+    case PIC16CC::GE:   return "ge";
+    case PIC16CC::UGE:   return "ge";
+    }
+  }
+
+  inline static bool isSignedComparison(PIC16CC::CondCodes CC) {
+    switch (CC) {
+    default: llvm_unreachable("Unknown condition code");
+    case PIC16CC::NE:  
+    case PIC16CC::EQ: 
+    case PIC16CC::LT:
+    case PIC16CC::LE:
+    case PIC16CC::GE:
+    case PIC16CC::GT:
+      return true;
+    case PIC16CC::ULT:
+    case PIC16CC::UGT:
+    case PIC16CC::ULE:
+    case PIC16CC::UGE:
+      return false;   // condition codes for unsigned comparison. 
+    }
+  }
+
+
+
+  FunctionPass *createPIC16ISelDag(PIC16TargetMachine &TM);
+  // Banksel optimizer pass.
+  FunctionPass *createPIC16MemSelOptimizerPass();
+
+  extern Target ThePIC16Target;
+  extern Target TheCooperTarget;
+  
+} // end namespace llvm;
+
+// Defines symbolic names for PIC16 registers.  This defines a mapping from
+// register name to register number.
+#include "PIC16GenRegisterNames.inc"
+
+// Defines symbolic names for the PIC16 instructions.
+#include "PIC16GenInstrNames.inc"
+
+#endif