[PATCH] D12032: Vector element extraction without stack operations on Power 8

[Nemanja Ivanovic via llvm-commits]

nemanjai added inline comments.

================
Comment at: test/CodeGen/PowerPC/p8-scalar_vector_conversions.ll:663
@@ +662,3 @@
+; CHECK-DAG: lvsl [[SHMSK:[0-9]+]], 0, [[ANDI]]
+; CHECK-DAG: vperm [[PERMD:[0-9]+]], {{[0-9]+}}, {{[0-9]+}}, [[SHMSK]]
+; CHECK-DAG: mfvsrd [[MOV:[0-9]+]],
----------------
I actually think that the regular expressions for VRA and VRB here are not needed as I think the source vector must be in VR 2. Similarly for all other instances of the vperm.


Repository:
  rL LLVM

http://reviews.llvm.org/D12032