https://bugs.freedesktop.org/show_bug.cgi?id=98761
--- Comment #11 from Marek Olšák <maraeo at gmail.com> ---
First bad commit:
commit 4404d0d6e354e80dd7f8f0a0e12d8ad809cf007e
Author: Matt Arsenault <Matthew.Arsenault at amd.com>
Date: Sun Nov 13 18:20:54 2016 +0000
AMDGPU: Implement SGPR spilling with scalar stores
nThis avoids the nasty problems caused by using
memory instructions that read the exec mask while
spilling / restoring registers used for control flow
masking, but only for VI when these were added.
This always uses the scalar stores when enabled currently,
but it may be better to still try to spill to a VGPR
and use this on the fallback memory path.
The cache also needs to be flushed before wave termination
if a scalar store is used.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk at 286766
91177308-0d34-0410-b5e6-96231b3b80d8
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