Revert "[PowerPC] Move test to correct location."

Revert part of the LSR tune commit.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@327142 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/test/CodeGen/PowerPC/lsr-insns-3.ll b/test/Transforms/LoopStrengthReduce/PowerPC/lsr-insns-3.ll
similarity index 100%
rename from test/CodeGen/PowerPC/lsr-insns-3.ll
rename to test/Transforms/LoopStrengthReduce/PowerPC/lsr-insns-3.ll