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[Tests] Add a test demonstrating a miscompile in the off-by-default loop-pred transform
authorPhilip Reames <listmail@philipreames.com>
Mon, 14 Oct 2019 19:49:40 +0000 (19:49 +0000)
committerPhilip Reames <listmail@philipreames.com>
Mon, 14 Oct 2019 19:49:40 +0000 (19:49 +0000)
commita8b14d4c5881084c18b141f6f5be0f5485bbbe7d
treed94d94af09cb07dcc1fb93a65c580f91a69a9f65tree | snapshot
parentda8e68c8aa7f2446de1aef389eb230ac588d24bdcommit | diff
[Tests] Add a test demonstrating a miscompile in the off-by-default loop-pred transform

Credit goes to Evgeny Brevnov for figuring out the problematic case.

Fuzzing probably also found it (lots of failures), but due to some silly infrastructure problems I hadn't gotten to the results before Evgeny hand reduced it from a benchmark.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@374812 91177308-0d34-0410-b5e6-96231b3b80d8
test/Transforms/IndVarSimplify/loop-predication.ll diff | blob | history
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