| ; RUN: opt -passes=loop-vectorize -force-vector-width=4 -force-vector-interleave=1 -enable-interleaved-mem-accesses=true -max-dependences=0 -S %s | FileCheck %s |
| target datalayout = "e-m:e-i64:64-i128:128-n32:64-S128" |
| |
| ; None of these stores have dependences between them, so we can successfully |
| ; interleave them even though the max-dependences threshold is 0. |
| define void @three_interleaved_stores(ptr %arr) { |
| ; CHECK-LABEL: define void @three_interleaved_stores |
| ; CHECK: store <12 x i8> |
| entry: |
| br label %loop |
| |
| loop: |
| %i = phi i64 [ 0, %entry ], [ %i.next, %loop ] |
| %i.plus.1 = add nuw nsw i64 %i, 1 |
| %i.plus.2 = add nuw nsw i64 %i, 2 |
| %gep.i.plus.0 = getelementptr inbounds i8, ptr %arr, i64 %i |
| %gep.i.plus.1 = getelementptr inbounds i8, ptr %arr, i64 %i.plus.1 |
| %gep.i.plus.2 = getelementptr inbounds i8, ptr %arr, i64 %i.plus.2 |
| store i8 1, ptr %gep.i.plus.0 |
| store i8 1, ptr %gep.i.plus.1 |
| store i8 1, ptr %gep.i.plus.2 |
| %i.next = add nuw nsw i64 %i, 3 |
| %icmp = icmp ugt i64 %i, 1032 |
| br i1 %icmp, label %exit, label %loop |
| |
| exit: |
| ret void |
| } |