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7a8e19daa2
Summary: If we don't have the first and last access of an interleaved load group, the first and last wide load in the loop can do an out of bounds access. Even though we discard results from speculative loads, this can cause problems, since it can technically generate page faults (or worse). We now discard interleaved load groups that don't have the first and load in the group. Reviewers: hfinkel, rengolin Subscribers: rengolin, llvm-commits, mzolotukhin, anemet Differential Revision: http://reviews.llvm.org/D17332 llvm-svn: 261331
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