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
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