Fix logic think-o

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@108601 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Target/ARM/ARMISelLowering.cpp b/lib/Target/ARM/ARMISelLowering.cpp
index 34b662a..58f100f 100644
--- a/lib/Target/ARM/ARMISelLowering.cpp
+++ b/lib/Target/ARM/ARMISelLowering.cpp
@@ -4267,7 +4267,7 @@
   if (!C)
     return SDValue();
   unsigned Val = C->getZExtValue();
-  if (ARM::isBitFieldInvertedMask(Mask) && (Val & ~Mask) != Val)
+  if (!ARM::isBitFieldInvertedMask(Mask) || (Val & ~Mask) != Val)
     return SDValue();
   Val >>= CountTrailingZeros_32(~Mask);