7748b9996e8aae16e990313b943cf46f6ae58098 - platform_external_llvm

commit	7748b9996e8aae16e990313b943cf46f6ae58098	[log] [tgz]
author	David Majnemer <david.majnemer@gmail.com>	Fri Jun 24 19:34:46 2016 +0000
committer	David Majnemer <david.majnemer@gmail.com>	Fri Jun 24 19:34:46 2016 +0000
tree	533930d4c091bcbc67fffb33bb83d1172cd71345
parent	82c356cae4ef196a06489f7081119052530b511e [diff]

SimplifyInstruction does not imply DCE

We cannot remove an instruction with no uses just because
SimplifyInstruction succeeds.  It may have side effects.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@273711 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Transforms/Scalar/EarlyCSE.cpp[diff]
lib/Transforms/Scalar/GVN.cpp[diff]
lib/Transforms/Scalar/JumpThreading.cpp[diff]
lib/Transforms/Scalar/LoopRotation.cpp[diff]
lib/Transforms/Utils/CloneFunction.cpp[diff]
lib/Transforms/Utils/Local.cpp[diff]
lib/Transforms/Utils/LoopUnroll.cpp[diff]
lib/Transforms/Utils/SimplifyCFG.cpp[diff]
test/Transforms/GVN/volatile.ll[diff]

9 files changed

tree: 533930d4c091bcbc67fffb33bb83d1172cd71345