Matt Arsenault b560f9ca2f AMDGPU: Run SIInsertWaits as pre-emit pass
Running this after the scheduler enables scheduling
waits later so other ALU instructions can run while
this would be waiting.

When combined with enabling the post-RA scheduler, this
gives about a ~20% improvement on sgemm.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241473 91177308-0d34-0410-b5e6-96231b3b80d8
2015-07-06 17:02:20 +00:00
..