Don't attempt to mask no bits

llvm-svn: 42909
2007-10-12 15:31:31 +00:00 · 2007-10-12 15:31:31 +00:00 · 7e74b17ad2
parent dc35bd79ca
commit 7e74b17ad2
1 changed files with 2 additions and 1 deletions
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@ -2212,6 +2212,7 @@ APInt::tcExtract(integerPart *dst, unsigned int dstCount, const integerPart *src
    dst[dstParts - 1] |= ((src[firstSrcPart + dstParts] & mask)
                          << n % integerPartWidth);
  } else if (n > srcBits) {
+    if (srcBits % integerPartWidth)
      dst[dstParts - 1] &= lowBitMask (srcBits % integerPartWidth);
  }