llvm-project/llvm/lib/Transforms/Vectorize
Simon Pilgrim 7d62e4b455 [LoopOptimizer][Fix]PR32859, PR24738
The Loop vectorizer pass introduced undef value while it is fixing output of LCSSA form.
Here it is:

before: %e.0.ph = phi i32 [ 0, %for.inc.2.i ]
after: %e.0.ph = phi i32 [ 0, %for.inc.2.i ], [ undef, %middle.block ]

and after this change we have:

%e.0.ph = phi i32 [ 0, %for.inc.2.i ]
%e.0.ph = phi i32 [ 0, %for.inc.2.i ], [ 0, %middle.block ]

Committed on behalf of @dtemirbulatov

Differential Revision: https://reviews.llvm.org/D33055

llvm-svn: 302988
2017-05-13 13:25:57 +00:00
..
BBVectorize.cpp [SystemZ] TargetTransformInfo cost functions implemented. 2017-04-12 11:49:08 +00:00
CMakeLists.txt [CMake] NFC. Updating CMake dependency specifications 2016-11-17 04:36:50 +00:00
LLVMBuild.txt
LoadStoreVectorizer.cpp [KnownBits] Add bit counting methods to KnownBits struct and use them where possible 2017-05-12 17:20:30 +00:00
LoopVectorize.cpp [LoopOptimizer][Fix]PR32859, PR24738 2017-05-13 13:25:57 +00:00
SLPVectorizer.cpp [SLP] Emit optimization remarks 2017-05-11 17:06:17 +00:00
Vectorize.cpp Add LoadStoreVectorizer pass 2016-06-30 23:11:38 +00:00