X-Git-Url: http://plrg.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineFunction.h;h=51200cb2bbefc498b57a1ab83e74633ddbad6359;hb=cf143a4d917699f8f4202f331fa9e184070471fb;hp=dc7fa8cb1672fd4e116b7052e511e0352dcb725c;hpb=f3841fcbd587c31aa9842b3f33bd57de40c9f443;p=oota-llvm.git

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index dc7fa8cb167..51200cb2bbe 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -18,12 +18,12 @@
 #ifndef LLVM_CODEGEN_MACHINEFUNCTION_H
 #define LLVM_CODEGEN_MACHINEFUNCTION_H
 
-#include "llvm/ADT/ilist.h"
-#include "llvm/CodeGen/DebugLoc.h"
 #include "llvm/CodeGen/MachineBasicBlock.h"
-#include "llvm/Support/Annotation.h"
+#include "llvm/ADT/ilist.h"
+#include "llvm/Support/DebugLoc.h"
 #include "llvm/Support/Allocator.h"
 #include "llvm/Support/Recycler.h"
+#include <map>
 
 namespace llvm {
 
@@ -33,6 +33,7 @@ class MachineFrameInfo;
 class MachineConstantPool;
 class MachineJumpTableInfo;
 class TargetMachine;
+class TargetRegisterClass;
 
 template <>
 struct ilist_traits<MachineBasicBlock>
@@ -65,8 +66,8 @@ struct MachineFunctionInfo {
   virtual ~MachineFunctionInfo() {}
 };
 
-class MachineFunction : private Annotation {
-  const Function *Fn;
+class MachineFunction {
+  Function *Fn;
   const TargetMachine &Target;
 
   // RegInfo - Information about each register in use in the function.
@@ -110,13 +111,16 @@ class MachineFunction : private Annotation {
   // Tracks debug locations.
   DebugLocTracker DebugLocInfo;
 
+  // The alignment of the function.
+  unsigned Alignment;
+
 public:
-  MachineFunction(const Function *Fn, const TargetMachine &TM);
+  MachineFunction(Function *Fn, const TargetMachine &TM);
   ~MachineFunction();
 
   /// getFunction - Return the LLVM function that this machine code represents
   ///
-  const Function *getFunction() const { return Fn; }
+  Function *getFunction() const { return Fn; }
 
   /// getTarget - Return the target machine this machine code is compiled with
   ///
@@ -147,6 +151,14 @@ public:
   MachineConstantPool *getConstantPool() { return ConstantPool; }
   const MachineConstantPool *getConstantPool() const { return ConstantPool; }
 
+  /// getAlignment - Return the alignment (log2, not bytes) of the function.
+  ///
+  unsigned getAlignment() const { return Alignment; }
+
+  /// setAlignment - Set the alignment (log2, not bytes) of the function.
+  ///
+  void setAlignment(unsigned A) { Alignment = A; }
+
   /// MachineFunctionInfo - Keep track of various per-function pieces of
   /// information for backends that would like to do so.
   ///
@@ -175,7 +187,7 @@ public:
   /// basic block can be found by using the MBB::getBlockNumber method, this
   /// method provides the inverse mapping.
   ///
-  MachineBasicBlock *getBlockNumbered(unsigned N) {
+  MachineBasicBlock *getBlockNumbered(unsigned N) const {
     assert(N < MBBNumbering.size() && "Illegal block number");
     assert(MBBNumbering[N] && "Block was removed from the machine function!");
     return MBBNumbering[N];
@@ -195,8 +207,7 @@ public:
   /// print - Print out the MachineFunction in a format suitable for debugging
   /// to the specified stream.
   ///
-  void print(std::ostream &OS) const;
-  void print(std::ostream *OS) const { if (OS) print(*OS); }
+  void print(raw_ostream &OS) const;
 
   /// viewCFG - This function is meant for use from the debugger.  You can just
   /// say 'call F->viewCFG()' and a ghostview window should pop up from the
@@ -217,27 +228,16 @@ public:
   ///
   void dump() const;
 
-  /// construct - Allocate and initialize a MachineFunction for a given Function
-  /// and Target
-  ///
-  static MachineFunction& construct(const Function *F, const TargetMachine &TM);
-
-  /// destruct - Destroy the MachineFunction corresponding to a given Function
-  ///
-  static void destruct(const Function *F);
-
-  /// get - Return a handle to a MachineFunction corresponding to the given
-  /// Function.  This should not be called before "construct()" for a given
-  /// Function.
-  ///
-  static MachineFunction& get(const Function *F);
-
   // Provide accessors for the MachineBasicBlock list...
   typedef BasicBlockListType::iterator iterator;
   typedef BasicBlockListType::const_iterator const_iterator;
   typedef std::reverse_iterator<const_iterator> const_reverse_iterator;
   typedef std::reverse_iterator<iterator>             reverse_iterator;
 
+  /// addLiveIn - Add the specified physical register as a live-in value and
+  /// create a corresponding virtual register for it.
+  unsigned addLiveIn(unsigned PReg, const TargetRegisterClass *RC);
+
   //===--------------------------------------------------------------------===//
   // BasicBlock accessor functions.
   //
@@ -327,7 +327,8 @@ public:
   /// getOrCreateDebugLocID - Look up the DebugLocTuple index with the given
   /// source file, line, and column. If none currently exists, create a new
   /// DebugLocTuple, and insert it into the DebugIdMap.
-  unsigned getOrCreateDebugLocID(unsigned Src, unsigned Line, unsigned Col);
+  unsigned getOrCreateDebugLocID(GlobalVariable *CompileUnit,
+                                 unsigned Line, unsigned Col);
 
   /// getDebugLocTuple - Get the DebugLocTuple for a given DebugLoc object.
   DebugLocTuple getDebugLocTuple(DebugLoc DL) const;
@@ -339,6 +340,9 @@ public:
   /// setDefaultDebugLoc - Get the default debug location for the machine
   /// function.
   void setDefaultDebugLoc(DebugLoc DL) { DefaultDebugLoc = DL; }
+
+  /// getDebugLocInfo - Get the debug info location tracker.
+  DebugLocTracker &getDebugLocInfo() { return DebugLocInfo; }
 };
 
 //===--------------------------------------------------------------------===//