[PATCH] D11649: [regalloc] Make RegMask clobbers prevent merging vreg's into PhysRegs when hoisting def's upwards.

[Quentin Colombet]

qcolombet added a comment.

Hi Daniel,

Could you elaborate on what you are seeing?

In particular, is your problem the fact that the copy with vreg260 may not be coalesced or is it something else?

Thanks,
-Quentin


================
Comment at: lib/CodeGen/RegisterCoalescer.cpp:1541
@@ -1534,1 +1540,3 @@
+          return false;
+      }
     }
----------------
This check should have been handled by the loop starting line 1497, IIRC.
I.e., this shouldn’t be necessary.


http://reviews.llvm.org/D11649