X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FCodeGen%2FMachineFunction.h;h=09cc1e5dfb897f7bd70d51a206a26cb1bdd22777;hb=d8324e6983d06c3d56debcbfdc9ead0e0d4a817d;hp=cd704c1c53b4480392979e88bf1934cc32e9fad8;hpb=f1d015f3429f611c423f943c75f86e6823810dc3;p=oota-llvm.git

diff --git a/include/llvm/CodeGen/MachineFunction.h b/include/llvm/CodeGen/MachineFunction.h
index cd704c1c53b..09cc1e5dfb8 100644
--- a/include/llvm/CodeGen/MachineFunction.h
+++ b/include/llvm/CodeGen/MachineFunction.h
@@ -131,6 +131,9 @@ class MachineFunction {
   /// about the control flow of such functions.
   bool ExposesReturnsTwice;
 
+  /// True if the function includes any inline assembly.
+  bool HasInlineAsm;
+
   MachineFunction(const MachineFunction &) LLVM_DELETED_FUNCTION;
   void operator=(const MachineFunction&) LLVM_DELETED_FUNCTION;
 public:
@@ -214,6 +217,16 @@ public:
   void setExposesReturnsTwice(bool B) {
     ExposesReturnsTwice = B;
   }
+
+  /// Returns true if the function contains any inline assembly.
+  bool hasInlineAsm() const {
+    return HasInlineAsm;
+  }
+
+  /// Set a flag that indicates that the function contains inline assembly.
+  void setHasInlineAsm(bool B) {
+    HasInlineAsm = B;
+  }
   
   /// getInfo - Keep track of various per-function pieces of information for
   /// backends that would like to do so.
@@ -338,8 +351,8 @@ public:
   // Internal functions used to automatically number MachineBasicBlocks
   //
 
-  /// getNextMBBNumber - Returns the next unique number to be assigned
-  /// to a MachineBasicBlock in this MachineFunction.
+  /// \brief Adds the MBB to the internal numbering. Returns the unique number
+  /// assigned to the MBB.
   ///
   unsigned addToMBBNumbering(MachineBasicBlock *MBB) {
     MBBNumbering.push_back(MBB);
@@ -413,6 +426,15 @@ public:
     OperandRecycler.deallocate(Cap, Array);
   }
 
+  /// \brief Allocate and initialize a register mask with @p NumRegister bits.
+  uint32_t *allocateRegisterMask(unsigned NumRegister) {
+    unsigned Size = (NumRegister + 31) / 32;
+    uint32_t *Mask = Allocator.Allocate<uint32_t>(Size);
+    for (unsigned i = 0; i != Size; ++i)
+      Mask[i] = 0;
+    return Mask;
+  }
+
   /// allocateMemRefsArray - Allocate an array to hold MachineMemOperand
   /// pointers.  This array is owned by the MachineFunction.
   MachineInstr::mmo_iterator allocateMemRefsArray(unsigned long Num);