commit 969b739fb9ff89603a3cb3acc6af0eb561cfa5d4
author Ahmed Charles <ace2001ac@gmail.com> Fri Feb 24 19:06:15 2012 +0000
committer Ahmed Charles <ace2001ac@gmail.com> Fri Feb 24 19:06:15 2012 +0000
tree cbf50a10d12644b764ed241f53a72e870749cacf
parent 9e931f6a64d329276d6253ec1baec9df96f4bbd6

Fix undefined behavior.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@151385 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/APInt.cpp

diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index c580dd3..0d4e0f9 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -1234,7 +1234,7 @@
 /// @brief Logical right-shift function.
 APInt APInt::lshr(unsigned shiftAmt) const {
   if (isSingleWord()) {
-    if (shiftAmt == BitWidth)
+    if (shiftAmt >= BitWidth)
       return APInt(BitWidth, 0);
     else
       return APInt(BitWidth, this->VAL >> shiftAmt);