Revert accidental commit of r299618

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@299621 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 324d71a4682529906ed7f3c6233422eb6cd9f34d..86a558f362483d9373f370c9bda198d2973b39eb 100644 (file)
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -775,9 +775,6 @@ bool TargetLowering::SimplifyDemandedBits(SDValue Op,
       // TODO: Should we check for other forms of sign-bit comparisons?
       // Examples: X <= -1, X >= 0
     }
-    if (getBooleanContents(Op.getOperand(0).getValueType()) ==
-            BooleanContent::ZeroOrOneBooleanContent && BitWidth > 1)
-      KnownZero.setBitsFrom(1);
     break;
   }
   case ISD::SHL: