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Revert "Added inst combine transforms for single bit tests from Chris's note"
authorDavid Majnemer <david.majnemer@gmail.com>
Wed, 26 Nov 2014 23:00:38 +0000 (23:00 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Wed, 26 Nov 2014 23:00:38 +0000 (23:00 +0000)
commit9e6a1814c9f5c88bf74272971f28ea4cd81fd735
tree45bd122ca6f59e1fd72de7dc7fcfac4a7b1ff447tree | snapshot
parent6487f4bfe65db9dd4b0aa46b566580612a42c10dcommit | diff
Revert "Added inst combine transforms for single bit tests from Chris's note"

This reverts commit r210006, it miscompiled libapr which is used in who
knows how many projects.

A test has been added to ensure that we don't regress again.

I'll work on a rewrite of what the optimization was trying to do later.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@222856 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/InstCombine/InstCombineSelect.cpp diff | blob | history
test/Transforms/InstCombine/select.ll diff | blob | history
C/C++ LLVM-based compilers that forbids OOTA behaviors