[llvm-commits] CVS: llvm/include/llvm/ADT/APInt.h

[Zhou Sheng]

Changes in directory llvm/include/llvm/ADT:

APInt.h updated: 1.41 -> 1.42
---
Log message:

Add zextOrCopy() into APInt for convenience.


---
Diffs of the changes:  (+9 -0)

 APInt.h |    9 +++++++++
 1 files changed, 9 insertions(+)


Index: llvm/include/llvm/ADT/APInt.h
diff -u llvm/include/llvm/ADT/APInt.h:1.41 llvm/include/llvm/ADT/APInt.h:1.42
--- llvm/include/llvm/ADT/APInt.h:1.41	Sun Mar 11 01:16:10 2007
+++ llvm/include/llvm/ADT/APInt.h	Tue Mar 13 01:16:26 2007
@@ -450,6 +450,15 @@
   /// @brief Zero extend or truncate to width
   APInt &zextOrTrunc(uint32_t width);
 
+  /// This is a help function for convenience. If the given \p width equals to
+  /// this APInt's BitWidth, just return this APInt, otherwise, just zero 
+  /// extend it.
+  inline APInt &zextOrCopy(uint32_t width) {
+    if (width == BitWidth)
+      return *this;
+    return zext(width);
+  }
+
   /// @brief Set every bit to 1.
   APInt& set();