bzEq wrote: > Machine CSE is before this register coalescer, Machine CSE will see something > like: > ``` > li a2, 42 > a0 = copy a2 > ``` > So Machine CSE will not eliminate this pattern.
IIRC, MachineCSE will try copy propagation. Looks failing in this case. Maybe we should find out why it fails. https://github.com/llvm/llvm-project/pull/163047 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
