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5 Commits

Author SHA1 Message Date
Nadav Rotem 6d9dafe3ff Force a fixed unroll count on the target independent tests. 
This should fix clang-native-arm-cortex-a9. Thanks Renato.

llvm-svn: 171582
 2013-01-05 00:58:48 +00:00
Nadav Rotem bd5d1d832a LoopVectorizer: Fix an endless loop in the code that looks for reductions. 
The bug was in the code that detects PHIs in if-then-else block sequence.

PR14701.

llvm-svn: 171008
 2012-12-24 01:22:06 +00:00
Nadav Rotem a721b21c64 LoopVectorizer: Add a basic cost model which uses the VTTI interface. 
llvm-svn: 166620
 2012-10-24 20:36:32 +00:00
Nadav Rotem 7e1084d36c Vectorizer: fix a bug in the classification of induction/reduction phis. 
llvm-svn: 166384
 2012-10-21 02:38:01 +00:00
Nadav Rotem e5dc57d4fb Fix an infinite loop in the loop-vectorizer. 
PR14134.

llvm-svn: 166379
 2012-10-20 20:45:01 +00:00