[PATCH] D31715: [SelectionDAG] TargetLowering::SimplifyDemandedBits how to properly calculate KnownZero bits for ISD::SETCC and ISD::AssertZExt

[Simon Pilgrim via Phabricator via llvm-commits]

RKSimon added inline comments.


================
Comment at: lib/CodeGen/SelectionDAG/TargetLowering.cpp:794
     }
+    if (getBooleanContents(Op.getOperand(0).getValueType()) ==
+            TargetLowering::ZeroOrOneBooleanContent &&
----------------
Use Op0 directly?


https://reviews.llvm.org/D31715