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------------------------------------------------------------------------ r328748 | gbiv | 2018-03-28 17:54:39 -0700 (Wed, 28 Mar 2018) | 12 lines [MemorySSA] Consider callsite args for hashing and equality. We use a `DenseMap<MemoryLocOrCall, MemlocStackInfo>` to keep track of prior work when optimizing uses in MemorySSA. Because we weren't accounting for callsite arguments in either the hash code or equality tests for `MemoryLocOrCall`s, we optimized uses too aggressively in some rare cases. Fix by Daniel Berlin. Should fix PR36883. ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_60@329663 91177308-0d34-0410-b5e6-96231b3b80d8