[PATCH] D18593: [PowerPC] Front end improvements for vec_splat

[Nemanja Ivanovic via llvm-commits]

nemanjai created this revision.
nemanjai added reviewers: hfinkel, wschmidt, kbarton, amehsan, seurer.
nemanjai added a subscriber: llvm-commits.
nemanjai set the repository for this revision to rL LLVM.

The front end portion of D18592.

Exploit xxspltw and xxspltd (xxpermdi) for vec_splat builtins when VSX is available.

Repository:
  rL LLVM

http://reviews.llvm.org/D18593

Files:
  include/clang/Basic/BuiltinsPPC.def
  lib/Headers/altivec.h
  test/CodeGen/builtins-ppc-vsx.c
  test/CodeGen/ppc-vsx-splat.c

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