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e1287f556f
Origin is meaningless for fully initialized values. Avoid storing origin for function arguments that are known to be always initialized (i.e. shadow is a compile-time null constant). This is not about correctness, but purely an optimization. Seems to affect compilation time of blacklisted functions significantly. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213239 91177308-0d34-0410-b5e6-96231b3b80d8
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