Craig Topper 60177f1aee [TargetLowering] Simplify one of the special cases in SimplifyDemandedBits for XOR. NFCI ...

We were checking for all bits being Known by checking Known.Zero|Known.One, but if all the bits are known then the value should be a Constant and we can just check for that instead.

llvm-svn: 339509

2018-08-12 06:52:03 +00:00

178 KiB

Raw Blame History

View Raw