Convert MaskedValueIsZero and all its users to use APInt. Also add

a SignBitIsZero function to simplify a common use case.

llvm-svn: 47561

2 files changed, 4 insertions, 2 deletions

diff --git a/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp b/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
index d1e1311ae93..b0ca39b945c 100644
--- a/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
+++ b/llvm/lib/Target/Alpha/AlphaISelDAGToDAG.cpp
@@ -91,7 +91,9 @@ namespace {
       // 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;
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
index b61e68e0cf9..c8b341406ca 100644
--- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -819,7 +819,7 @@ bool X86DAGToDAGISel::MatchAddress(SDOperand N, X86ISelAddressMode &AM,
           // On x86-64, the resultant disp must fit in 32-bits.
           isInt32(AM.Disp + CN->getSignExtended()) &&
           // Check to see if the LHS & C is zero.
-          CurDAG->MaskedValueIsZero(N.getOperand(0), CN->getValue())) {
+          CurDAG->MaskedValueIsZero(N.getOperand(0), CN->getAPIntValue())) {
         AM.Disp += CN->getValue();
         return false;
       }