rez5427 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.
Let me check this. https://github.com/llvm/llvm-project/pull/163047 _______________________________________________ cfe-commits mailing list [email protected] https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
