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f28c057c42
consistency with memcpy rewriting, and fix a latent bug in the alignment management for memset. The alignment issue is that getAdjustedAllocaPtr is computing the *relative* offset into the new alloca, but the alignment isn't being set to the relative offset, it was using the the absolute offset which is into the old alloca. I don't think its possible to write a test case that actually reaches this code where the resulting alignment would be observably different, but the intent was clearly to use the relative offset within the new alloca. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@202229 91177308-0d34-0410-b5e6-96231b3b80d8
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