[PATCH] D20379: Codegen: Fix broken assumption in Tail Merge.

[Chad Rosier via llvm-commits]

mcrosier added a comment.

AFAICT, all of the test updates are just side-effects of this patch.  Therefore, I agree with Haicheng in that we need a test case that exposes the issue this patch is trying to address.


http://reviews.llvm.org/D20379