Convert MaskedValueIsZero and all its users to use APInt. Also add
a SignBitIsZero function to simplify a common use case.
llvm-svn: 47561
diff --git a/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp b/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
index d1e1311..b0ca39b 100644
--- a/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
@@ -91,7 +91,9 @@
// see if the missing bits (0x1000) are already known zero if not, the zap
// isn't okay to do, as it won't clear all the required bits.
if (BitsToCheck &&
- !CurDAG->MaskedValueIsZero(LHS, BitsToCheck))
+ !CurDAG->MaskedValueIsZero(LHS,
+ APInt(LHS.getValueSizeInBits(),
+ BitsToCheck)))
return 0;
return Result;