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------------------------------------------------------------------------ r199570 | aschwaighofer | 2014-01-18 22:18:31 -0500 (Sat, 18 Jan 2014) | 11 lines LoopVectorizer: A reduction that has multiple uses of the reduction value is not a reduction. Really. Under certain circumstances (the use list of an instruction has to be set up right - hence the extra pass in the test case) we would not recognize when a value in a potential reduction cycle was used multiple times by the reduction cycle. Fixes PR18526. radar://15851149 ------------------------------------------------------------------------ git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@205818 91177308-0d34-0410-b5e6-96231b3b80d8