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As it turns out, the capture tracker named CaptureBefore used by AA, and now available via the PointerMayBeCapturedBefore function, would have been more-aptly named CapturedBeforeOrAt, because it considers captures at the instruction provided. This is not always what one wants, and it is difficult to get the strictly-before behavior given only the current interface. This adds an additional parameter which controls whether or not you want to include captures at the provided instruction. The default is not to include the instruction provided, so that 'Before' matches its name. No functionality change intended. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@213582 91177308-0d34-0410-b5e6-96231b3b80d8
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