tree cc719815f557bcfec364560d61cb88cad21b9eca
parent 359e9371b9537ddf60229c8c219c2b51b8574a08
author Matthijs Kooijman <matthijs@stdin.nl> 1213777837 +0000
committer Matthijs Kooijman <matthijs@stdin.nl> 1213777837 +0000

Reapply r52397 (make IPConstProp promote returned arguments), but fixed this
time. Sorry for the trouble!

This time, also add a testcase, which I should have done in the first place...


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@52455 91177308-0d34-0410-b5e6-96231b3b80d8