[PATCH] D17475: MachineCopyPropagation: Catch copies of the form A<-B; A<-B

[Jun Bum Lim via llvm-commits]

junbuml added inline comments.

================
Comment at: lib/CodeGen/MachineCopyPropagation.cpp:212
@@ -193,3 +211,3 @@
       // Copy is now a candidate for deletion.
       if (!MRI->isReserved(Def))
         MaybeDeadCopies.insert(MI);
----------------
Shouldn't we need to add  !MRI->isReserved(Src) as well ?


Repository:
  rL LLVM

http://reviews.llvm.org/D17475