Renato Golin cb19c8e3aa
[LV] Add a new reduction pattern match ...
Adding a new reduction pattern match for vectorizing code similar to TSVC s3111:
for (int i = 0; i < N; i++)
if (a[i] > b)
sum += a[i];
This patch adds support for fadd, fsub and fmull, as well as multiple
branches and different (but compatible) instructions (ex. add+sub) in
different branches.
I have forwarded to trunk, added fsub and fmul functionality and
additional tests, but the credit goes to Takahiro, who did most of the
actual work.
Differential Revision: https://reviews.llvm.org/D49168
Patch by Takahiro Miyoshi <takahiro.miyoshi@linaro.org >.
llvm-svn: 344172
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cb19c8e3aa