tree bd6585d253578cad7fb0bad810aa96fb63c0dc88
parent d5a9ea8afe53af7b4436da8b1cb42a5388d6e62a
author Matt Arsenault <Matthew.Arsenault@amd.com> 1392062262 +0000
committer Matt Arsenault <Matthew.Arsenault@amd.com> 1392062262 +0000

R600: Implement isTruncateFree

Truncation is just accessing a subregister for any multiple of
the register size, so it's free.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@201107 91177308-0d34-0410-b5e6-96231b3b80d8