InstCombine: Ensure select condition types are identical before merging
authorDavid Majnemer <david.majnemer@gmail.com>
Tue, 3 Mar 2015 22:40:36 +0000 (22:40 +0000)
committerDavid Majnemer <david.majnemer@gmail.com>
Tue, 3 Mar 2015 22:40:36 +0000 (22:40 +0000)
commit8db493c4e16eb30a3b84ef4763aa15233fb0848a
tree00cd7cd6520fdb5233c0e94d894c9cd1c8bae81b
parent92dabb5710dd9efa598a4f26293d069dd6f05e49
InstCombine: Ensure select condition types are identical before merging

Selection conditions may be vectors or scalars.  Make sure InstCombine
doesn't indiscriminately assume that a select which is value dependent
on another select have identical select condition types.

This fixes PR22773.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@231156 91177308-0d34-0410-b5e6-96231b3b80d8
lib/Transforms/InstCombine/InstCombineSelect.cpp
test/Transforms/InstCombine/select-select.ll