[APInt] Move operator&=(uint64_t) inline and use memset to clear the upper words.

This method is pretty new and probably isn't use much in the code base so this should have a negligible size impact. The OR and XOR operators are already inline.

llvm-svn: 298870

1 files changed, 0 insertions, 12 deletions

diff --git a/llvm/lib/Support/APInt.cpp b/llvm/lib/Support/APInt.cpp
index aacb7440313..ebcbb151867 100644
--- a/llvm/lib/Support/APInt.cpp
+++ b/llvm/lib/Support/APInt.cpp
@@ -428,18 +428,6 @@ APInt& APInt::operator&=(const APInt& RHS) {
   return *this;
 }
 
-APInt &APInt::operator&=(uint64_t RHS) {
-  if (isSingleWord()) {
-    VAL &= RHS;
-    return *this;
-  }
-  pVal[0] &= RHS;
-  unsigned numWords = getNumWords();
-  for (unsigned i = 1; i < numWords; ++i)
-    pVal[i] = 0;
-  return *this;
-}
-
 APInt& APInt::operator|=(const APInt& RHS) {
   assert(BitWidth == RHS.BitWidth && "Bit widths must be the same");
   if (isSingleWord()) {