1 files changed, 2 insertions, 2 deletions
diff --git a/lib/Transforms/InstCombine/InstCombineShifts.cpp b/lib/Transforms/InstCombine/InstCombineShifts.cpp
index 9aa679c60e47b..f77d713b9b071 100644
--- a/lib/Transforms/InstCombine/InstCombineShifts.cpp
+++ b/lib/Transforms/InstCombine/InstCombineShifts.cpp
@@ -370,7 +370,7 @@ Instruction *InstCombiner::FoldShiftByConstant(Value *Op0, Constant *Op1,
         MaskV <<= Op1C->getZExtValue();
       else {
         assert(I.getOpcode() == Instruction::LShr && "Unknown logical shift");
-        MaskV = MaskV.lshr(Op1C->getZExtValue());
+        MaskV.lshrInPlace(Op1C->getZExtValue());
       }
 
       // shift1 & 0x00FF
@@ -760,7 +760,7 @@ Instruction *InstCombiner::visitAShr(BinaryOperator &I) {
   }
 
   // See if we can turn a signed shr into an unsigned shr.
-  if (MaskedValueIsZero(Op0, APInt::getSignBit(BitWidth), 0, &I))
+  if (MaskedValueIsZero(Op0, APInt::getSignMask(BitWidth), 0, &I))
     return BinaryOperator::CreateLShr(Op0, Op1);
 
   return nullptr;