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7a5c0e599c
It got this in some cases (if one of them was an identified object), but not in all cases. This caused stores to undef to block load-forwarding in some cases, etc. Added test to Transforms/GVN to verify optimization occurs as expected. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@236511 91177308-0d34-0410-b5e6-96231b3b80d8
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