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fb92f46459
from struct byval to registers. We used to pass 0 which means the alignment of PtrVT. Even when the alignment of the struct is smaller than 4, the LOADs would have alignment of 4, and further optimizations could combine the LOADs into a ldm, which would cause crash. The fix is to pass the alignment of the struct byval. rdar://problem/15144402 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@192126 91177308-0d34-0410-b5e6-96231b3b80d8
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