[PATCH] D49994: Allow constraining virtual register's class within reason

[Alexey Zhikhartsev via Phabricator via llvm-commits]

alexey.zhikhar added a comment.

In https://reviews.llvm.org/D49994#1182189, @alexey.zhikhar wrote:

> This patch fails 14 tests; however, it seems that the problem is not in the patch but in flaky test cases. I took a quick look at `CodeGen/PowerPC/vsx.ll`: the test case fails after not finding copy instructions, which were redundant and expectedly removed by this patch.


I'm currently working on fixing the failures.


Repository:
  rL LLVM

https://reviews.llvm.org/D49994