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llvm-mirror/lib/Transforms/Vectorize
Anna Thomas 3580c4d010 [LV] Fix insertion point for shuffle vectors in first order recurrence
Summary:
In first order recurrence vectorization, when the previous value is a phi node, we need to
set the insertion point to the first non-phi node.
We can have the previous value being a phi node, due to the generation of new
IVs as part of trunc optimization [1].

[1] https://reviews.llvm.org/rL294967

Reviewers: mssimpso, mkuper

Subscribers: mzolotukhin, llvm-commits

Differential Revision: https://reviews.llvm.org/D32969

llvm-svn: 302532
2017-05-09 14:29:33 +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 [ValueTracking] Introduce a KnownBits struct to wrap the two APInts for computeKnownBits 2017-04-26 16:39:58 +00:00
LoopVectorize.cpp [LV] Fix insertion point for shuffle vectors in first order recurrence 2017-05-09 14:29:33 +00:00
SLPVectorizer.cpp Introduce experimental generic intrinsics for horizontal vector reductions. 2017-05-09 10:43:25 +00:00
Vectorize.cpp Add LoadStoreVectorizer pass 2016-06-30 23:11:38 +00:00