[PATCH] D41835: [MachineCopyPropagation] Extend pass to do COPY source forwarding

[Chad Rosier via Phabricator via llvm-commits]

mcrosier added inline comments.


================
Comment at: lib/CodeGen/MachineCopyPropagation.cpp:20
+// If
+//   - %reg0 has not been clobbered by the time of the use of %veg1
+//   - the register class constraints are satisfied
----------------
veg1 -> reg1


https://reviews.llvm.org/D41835