[AMDGPU] Fix for issue in alloca to vector promotion pass
Summary:
Alloca promotion pass not dealing with non-canonical input
Added some additional checks so the pass simply backs-off forms it can't deal with (non-canonical)
Also added some test cases in non-canonical form to check that it no longer crashes
Subscribers: arsenm, kzhuravl, wdng, nhaehnle, yaxunl, tpr, t-tye
Differential Revision: https://reviews.llvm.org/D31710
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@305079 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed