Benjamin Kramer 4db3f41012 SLPVectorizer: Instead of just performing CSE on dead blocks ignore them completely. ... Turns out that there is a very cheap way of testing whether a block is dead, just look it up in the DomTree. We have to do this anyways so just ignore unreachable blocks before sorting by domination. This restores a proper ordering for std::stable_sort when dead code is present. Covered by existing tests & buildbots running in STL debug mode (MSVC). git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208492 91177308-0d34-0410-b5e6-96231b3b80d8		2014-05-11 10:28:58 +00:00
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BBVectorize.cpp
CMakeLists.txt
LLVMBuild.txt
LoopVectorize.cpp
Makefile
SLPVectorizer.cpp	SLPVectorizer: Instead of just performing CSE on dead blocks ignore them completely.	2014-05-11 10:28:58 +00:00
Vectorize.cpp