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6 Commits

Author SHA1 Message Date
Nadav Rotem 30a65bc39e Remove the -licm pass from the loop vectorizer test because the loop vectorizer does it now. 
llvm-svn: 171930
 2013-01-09 01:20:59 +00:00
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 4cb8cdab5e LoopVectorize: Preserve NSW, NUW and IsExact flags. 
llvm-svn: 167174
 2012-10-31 21:40:39 +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 b52f717411 Vectorizer: Add support for loops with an unknown count. For example: 
for (i=0; i<n; i++){
        a[i] = b[i+1] + c[i+3];
     }

llvm-svn: 166165
 2012-10-18 05:29:12 +00:00
Nadav Rotem 6b94c2a09b Add a loop vectorizer. 
llvm-svn: 166112
 2012-10-17 18:25:06 +00:00