tree 13b2d0b144c65e91243f3aa50ce9514276e52c64
parent eb5ddd7b02ce2d25d4f28f85a13aac628526e1c1
author Mingyao Yang <mingyao@google.com> 1447981462 -0800
committer Mingyao Yang <mingyao@google.com> 1449622935 -0800

Simplify and rename IsLoopInvariant() test.

Simplify IsLoopInvariant() test. Also rename it to IsDefinedOutOfTheLoop()
so there is no ambiguity for example whether a instruction after the loop counts
as a loop invariant. It's up to the caller to make the interpretation.

Change-Id: I999139032b0e4d815dd1e2276f2bd428cf558686