[APInt] Rename getSignBit to getSignMask
getSignBit is a static function that creates an APInt with only the sign bit set. getSignMask seems like a better name to convey its functionality. In fact several places use it and then store in an APInt named SignMask.
Differential Revision: https://reviews.llvm.org/D32108
llvm-svn: 300856
diff --git a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
index cb6145c..f77d713 100644
--- a/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
+++ b/llvm/lib/Transforms/InstCombine/InstCombineShifts.cpp
@@ -760,7 +760,7 @@
}
// 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;