commit 1e8390d8d6219a2f0a9b8c5592ee0c33c256d03d
author Neil Booth <neil@daikokuya.co.uk> Fri Oct 12 15:31:31 2007 +0000
committer Neil Booth <neil@daikokuya.co.uk> Fri Oct 12 15:31:31 2007 +0000
tree aa3e95b3f917c8234447ff1fa69194b0577d3ec2
parent 8ddde0a151c5297ae5694a4b9201b2d3fe56b196

Don't attempt to mask no bits

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@42909 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Support/APInt.cpp

diff --git a/lib/Support/APInt.cpp b/lib/Support/APInt.cpp
index 2e537d6..c5abf4b 100644
--- a/lib/Support/APInt.cpp
+++ b/lib/Support/APInt.cpp
@@ -2212,7 +2212,8 @@
     dst[dstParts - 1] |= ((src[firstSrcPart + dstParts] & mask)
                           << n % integerPartWidth);
   } else if (n > srcBits) {
-    dst[dstParts - 1] &= lowBitMask (srcBits % integerPartWidth);
+    if (srcBits % integerPartWidth)
+      dst[dstParts - 1] &= lowBitMask (srcBits % integerPartWidth);
   }
 
   /* Clear high parts.  */