llvm/test/Transforms/LoopVectorize/RISCV/riscv-interleaved.ll

; REQUIRES: asserts
; RUN: opt -loop-vectorize -dce -instcombine -mtriple riscv64-linux-gnu \
; RUN:   -mattr=+experimental-v -debug-only=loop-vectorize \
; RUN:   -riscv-v-vector-bits-min=128 -S < %s 2>&1 | FileCheck %s

; CHECK-LABEL: foo
; CHECK: LV: IC is 2
; CHECK: %{{.*}} = add <4 x i32> %{{.*}}, <i32 4, i32 4, i32 4, i32 4>
; CHECK: %{{.*}} = add {{.*}}, 8

; Function Attrs: nofree norecurse nosync nounwind writeonly
define dso_local void @foo(i32 signext %n, i32* nocapture %A) local_unnamed_addr #0 {
entry:
  %cmp5 = icmp sgt i32 %n, 0
  br i1 %cmp5, label %for.body.preheader, label %for.cond.cleanup

for.body.preheader:                               ; preds = %entry
  %wide.trip.count = zext i32 %n to i64
  br label %for.body

for.cond.cleanup.loopexit:                        ; preds = %for.body
  br label %for.cond.cleanup

for.cond.cleanup:                                 ; preds = %for.cond.cleanup.loopexit, %entry
  ret void

for.body:                                         ; preds = %for.body.preheader, %for.body
  %indvars.iv = phi i64 [ 0, %for.body.preheader ], [ %indvars.iv.next, %for.body ]
  %arrayidx = getelementptr inbounds i32, i32* %A, i64 %indvars.iv
  %0 = trunc i64 %indvars.iv to i32
  store i32 %0, i32* %arrayidx, align 4, !tbaa !4
  %indvars.iv.next = add nuw nsw i64 %indvars.iv, 1
  %exitcond.not = icmp eq i64 %indvars.iv.next, %wide.trip.count
  br i1 %exitcond.not, label %for.cond.cleanup.loopexit, label %for.body, !llvm.loop !8
}

attributes #0 = { nofree norecurse nosync nounwind writeonly "frame-pointer"="none" "min-legal-vector-width"="0" "no-trapping-math"="true" "stack-protector-buffer-size"="8" "target-features"="+64bit,+a,+c,+m,+relax,-save-restore" }

!llvm.module.flags = !{!0, !1, !2}
!llvm.ident = !{!3}

!0 = !{i32 1, !"wchar_size", i32 4}
!1 = !{i32 1, !"target-abi", !"lp64"}
!2 = !{i32 1, !"SmallDataLimit", i32 8}
!3 = !{!"clang version 13.0.0"}
!4 = !{!5, !5, i64 0}
!5 = !{!"int", !6, i64 0}
!6 = !{!"omnipotent char", !7, i64 0}
!7 = !{!"Simple C/C++ TBAA"}
!8 = distinct !{!8, !9}
!9 = !{!"llvm.loop.mustprogress"}