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LLVM backend for 6502
If an allocation has a must-alias relation to the access pointer, we treat it as a Def. Otherwise, without this check, the code here was just skipping over the allocation call and ignoring it. I noticed this by inspection and don't have a specific testcase that it breaks, but it seems like we need to treat a may-alias allocation as a Clobber. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@163127 91177308-0d34-0410-b5e6-96231b3b80d8 |
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