Craig Topper 4b1808d8e7 [SelectionDAG] Teach LegalizeVectorOps to not unroll CTLZ_ZERO_UNDEF and CTTZ_ZERO_UNDEF if the non-ZERO_UNDEF form is legal or custom. Will be used to simplify X86 code in a follow on commit. ...

llvm-svn: 256476

2015-12-27 21:33:47 +00:00

40 KiB

Raw Blame History

View Raw