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Change-Id: I07d935f8793ee8ec6b7da003f6483046594bca49
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Change-Id: Ic787f5e0124df789bd26f3f24680f45e678eef2d
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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@191853 91177308-0d34-0410-b5e6-96231b3b80d8
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We would have to compute the pre increment value, either by computing it on
every loop iteration or by splitting the edge out of the loop and inserting a
computation for it there.
For now, just give up vectorizing such loops.
Fixes PR17179.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@190790 91177308-0d34-0410-b5e6-96231b3b80d8
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We check that instructions in the loop don't have outside users (except if
they are reduction values). Unfortunately, we skipped this check for
if-convertable PHIs.
Fixes PR16184.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183035 91177308-0d34-0410-b5e6-96231b3b80d8
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