2 Commits

Author SHA1 Message Date
Matthias Braun
35ea41f3e7 RegisterCoalescer: Remap subregister lanemasks before exchanging operands
Rematerializing and merging into a bigger register class at the same
time, requires the subregister range lanemasks getting remapped to the
new register class.

This fixes http://llvm.org/PR26805

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@262768 91177308-0d34-0410-b5e6-96231b3b80d8
2016-03-05 04:36:13 +00:00
Matt Arsenault
4a5938727a AMDGPU: Add failing testcase for register coalescer
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@261592 91177308-0d34-0410-b5e6-96231b3b80d8
2016-02-22 23:45:42 +00:00