Simon Pilgrim
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07ac640d6c
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[LoopOptimizer][Fix]PR32859, PR24738
The Loop vectorizer pass introduced undef value while it is fixing output of LCSSA form.
Here it is:
before: %e.0.ph = phi i32 [ 0, %for.inc.2.i ]
after: %e.0.ph = phi i32 [ 0, %for.inc.2.i ], [ undef, %middle.block ]
and after this change we have:
%e.0.ph = phi i32 [ 0, %for.inc.2.i ]
%e.0.ph = phi i32 [ 0, %for.inc.2.i ], [ 0, %middle.block ]
Committed on behalf of @dtemirbulatov
Differential Revision: https://reviews.llvm.org/D33055
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302988 91177308-0d34-0410-b5e6-96231b3b80d8
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2017-05-13 13:25:57 +00:00 |
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