Add isFixedObjectIndex. It returns true if the stack slot index is for a fixed stack object.

llvm-svn: 35659
2007-04-04 07:38:25 +00:00 · 2007-04-04 07:38:25 +00:00 · 44a28f7d77
parent 2bf2aadd9a
commit 44a28f7d77
1 changed files with 6 additions and 0 deletions
--- a/llvm/include/llvm/CodeGen/MachineFrameInfo.h
+++ b/llvm/include/llvm/CodeGen/MachineFrameInfo.h
@ -263,6 +263,12 @@ public:
    return -++NumFixedObjects;
  }

+  /// isFixedObjectIndex - Returns true if the specified index corresponds to a
+  /// fixed stack object.
+  bool isFixedObjectIndex(int ObjectIdx) const {
+    return ObjectIdx < 0 && (ObjectIdx >= -(int)NumFixedObjects);
+  }
+
  /// CreateStackObject - Create a new statically sized stack object, returning
  /// a postive identifier to represent it.
  ///