[llvm-commits] CVS: llvm/include/llvm/Target/MRegisterInfo.h

[Chris Lattner]

Changes in directory llvm/include/llvm/Target:

MRegisterInfo.h updated: 1.32 -> 1.33

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Log message:

Simplify and document the new interface


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Diffs of the changes:  (+8 -7)

Index: llvm/include/llvm/Target/MRegisterInfo.h
diff -u llvm/include/llvm/Target/MRegisterInfo.h:1.32 llvm/include/llvm/Target/MRegisterInfo.h:1.33
--- llvm/include/llvm/Target/MRegisterInfo.h:1.32	Mon Feb 16 22:33:18 2004
+++ llvm/include/llvm/Target/MRegisterInfo.h	Mon Feb 16 23:54:26 2004
@@ -242,14 +242,15 @@
                            const TargetRegisterClass *RC) const = 0;
 
 
-  virtual bool canFoldMemoryOperand(MachineInstr* MI, unsigned i) const {
+  /// foldMemoryOperand - If this target supports it, fold a load or store of
+  /// the specified stack slot into the specified machine instruction for the
+  /// specified operand.  If this is possible, the target should perform the
+  /// folding and return true, otherwise it should return false.  If it folds
+  /// the instruction, it is likely that the MachineInstruction the iterator
+  /// references has been changed.
+  virtual bool foldMemoryOperand(MachineBasicBlock::iterator &MI,
+                                 unsigned OpNum, int FrameIndex) const {
     return false;
-  }
-
-  virtual int foldMemoryOperand(MachineInstr* MI,
-                                unsigned i,
-                                int FrameIndex) const {
-    return 0;
   }
 
   /// getCallFrameSetup/DestroyOpcode - These methods return the opcode of the