Make member variables of AsmToken private. Remove unnecessary forward declarations...

[oota-llvm.git] / include / llvm / CodeGen / MachineFunction.h

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index eeba1bbddf3b576ced130ffa0fff89f225b154e9..dda2dc708769709734a952b9d49473d68f2b5722 100644 (file)
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -120,10 +120,12 @@ class MachineFunction {
   /// Alignment - The alignment of the function.
   unsigned Alignment;
 
-  /// CallsSetJmp - True if the function calls setjmp or sigsetjmp. This is used
-  /// to limit optimizations which cannot reason about the control flow of
-  /// setjmp.
-  bool CallsSetJmp;
+  /// ExposesReturnsTwice - True if the function calls setjmp or related
+  /// functions with attribute "returns twice", but doesn't have
+  /// the attribute itself.
+  /// This is used to limit optimizations which cannot reason
+  /// about the control flow of such functions.
+  bool ExposesReturnsTwice;
 
   MachineFunction(const MachineFunction &); // DO NOT IMPLEMENT
   void operator=(const MachineFunction&);   // DO NOT IMPLEMENT
@@ -187,20 +189,22 @@ public:
   ///
   void setAlignment(unsigned A) { Alignment = A; }
 
-  /// EnsureAlignment - Make sure the function is at least 'A' bits aligned.
+  /// EnsureAlignment - Make sure the function is at least 1 << A bytes aligned.
   void EnsureAlignment(unsigned A) {
     if (Alignment < A) Alignment = A;
   }
 
-  /// callsSetJmp - Returns true if the function calls setjmp or sigsetjmp.
-  bool callsSetJmp() const {
-    return CallsSetJmp;
+  /// exposesReturnsTwice - Returns true if the function calls setjmp or
+  /// any other similar functions with attribute "returns twice" without
+  /// having the attribute itself.
+  bool exposesReturnsTwice() const {
+    return ExposesReturnsTwice;
   }
 
-  /// setCallsSetJmp - Set a flag that indicates if there's a call to setjmp or
-  /// sigsetjmp.
-  void setCallsSetJmp(bool B) {
-    CallsSetJmp = B;
+  /// setCallsSetJmp - Set a flag that indicates if there's a call to
+  /// a "returns twice" function.
+  void setExposesReturnsTwice(bool B) {
+    ExposesReturnsTwice = B;
   }
   
   /// getInfo - Keep track of various per-function pieces of information for
@@ -271,7 +275,7 @@ public:
 
   /// verify - Run the current MachineFunction through the machine code
   /// verifier, useful for debugger use.
-  void verify(Pass *p=NULL) const;
+  void verify(Pass *p = NULL, const char *Banner = NULL) const;
 
   // Provide accessors for the MachineBasicBlock list...
   typedef BasicBlockListType::iterator iterator;
@@ -345,7 +349,7 @@ public:
   /// CreateMachineInstr - Allocate a new MachineInstr. Use this instead
   /// of `new MachineInstr'.
   ///
-  MachineInstr *CreateMachineInstr(const TargetInstrDesc &TID,
+  MachineInstr *CreateMachineInstr(const MCInstrDesc &MCID,
                                    DebugLoc DL,
                                    bool NoImp = false);
 
@@ -376,7 +380,8 @@ public:
   MachineMemOperand *getMachineMemOperand(MachinePointerInfo PtrInfo,
                                           unsigned f, uint64_t s,
                                           unsigned base_alignment,
-                                          const MDNode *TBAAInfo = 0);
+                                          const MDNode *TBAAInfo = 0,
+                                          const MDNode *Ranges = 0);
   
   /// getMachineMemOperand - Allocate a new MachineMemOperand by copying
   /// an existing one, adjusting by an offset and using the given size.
@@ -437,6 +442,7 @@ template <> struct GraphTraits<MachineFunction*> :
   typedef MachineFunction::iterator nodes_iterator;
   static nodes_iterator nodes_begin(MachineFunction *F) { return F->begin(); }
   static nodes_iterator nodes_end  (MachineFunction *F) { return F->end(); }
+  static unsigned       size       (MachineFunction *F) { return F->size(); }
 };
 template <> struct GraphTraits<const MachineFunction*> :
   public GraphTraits<const MachineBasicBlock*> {
@@ -452,6 +458,9 @@ template <> struct GraphTraits<const MachineFunction*> :
   static nodes_iterator nodes_end  (const MachineFunction *F) {
     return F->end();
   }
+  static unsigned       size       (const MachineFunction *F)  {
+    return F->size();
+  }
 };