Implement a TODO: for any shuffle that can be viewed as a v4[if]32 shuffle,
if it can be implemented in 3 or fewer discrete altivec instructions, codegen
it as such.  This implements Regression/CodeGen/PowerPC/vec_perf_shuffle.ll

llvm-svn: 27748
2 files changed
tree: 13660b8f6467833ca88972c520149cd18b0e190b
  1. llvm/