[X86] Remove DeleteNode calls from PreprocessISelDAG. Rely on the RemoveDeadNodes...
authorCraig Topper <craig.topper@intel.com>
Tue, 2 Jun 2020 20:54:10 +0000 (13:54 -0700)
committerCraig Topper <craig.topper@intel.com>
Tue, 2 Jun 2020 21:10:20 +0000 (14:10 -0700)
commit961c1b5f7244e0fca93b504a6d234476e17adbbe
tree43e61efc40c0626af7e24eba1567626c2d13a78d
parent3eb16fe4e945631988d6d302d0bc317d8c07279c
[X86] Remove DeleteNode calls from PreprocessISelDAG. Rely on the RemoveDeadNodes call at the end.

Add a MadeChange flag so we don't call RemoveDeadNodes unless
something changed.
llvm/lib/Target/X86/X86ISelDAGToDAG.cpp