http://llvm.org/bugs/show_bug.cgi?id=17680
Bug ID: 17680
Summary: [Vectorizer] Recognize reduction stride vectorization
Product: libraries
Version: trunk
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P
Component: Loop Optimizer
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected]
Classification: Unclassified
After stride access is added to the vectorizer, and interleaved and
non-interleaved access is implemented, make sure that reductions also work with
the non-unit stride induction. Example:
for (i..N/3) {
a += b[3*i] + I;
a += b[3*i+1] + J;
a += b[3*i+2] + K;
}
return a;
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