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05d5e213c4
This is a 2nd try at the same optimization as http://reviews.llvm.org/D6698. That patch was checked in at r224611, but reverted at r225031 because it caused a failure outside of the regression tests. The cause of the crash was not recognizing consecutive stores that have mixed source values (loads and vector element extracts), so this patch adds a check to bail out if any store value is not coming from a vector element extract. This patch also refactors the shared logic of the constant source and vector extracted elements source cases into a helper function. Differential Revision: http://reviews.llvm.org/D6850 git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226845 91177308-0d34-0410-b5e6-96231b3b80d8 |
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