; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 4
; RUN: llc < %s -mtriple=riscv64 -mattr=+v | FileCheck %s


define signext i32 @sum(ptr %a, i32 signext %n, i1 %prof.min.iters.check, <vscale x 8 x i1> %0, <vscale x 8 x i1> %1) {
; CHECK-LABEL: sum:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    andi a2, a2, 1
; CHECK-NEXT:    beqz a2, .LBB0_4
; CHECK-NEXT:  # %bb.1: # %for.body.preheader
; CHECK-NEXT:    li a3, 0
; CHECK-NEXT:  .LBB0_2: # %for.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    mv a2, a3
; CHECK-NEXT:    lw a3, 0(a0)
; CHECK-NEXT:    addi a0, a0, 4
; CHECK-NEXT:    bnez a1, .LBB0_2
; CHECK-NEXT:  # %bb.3: # %for.end
; CHECK-NEXT:    mv a0, a2
; CHECK-NEXT:    ret
; CHECK-NEXT:  .LBB0_4: # %vector.ph
; CHECK-NEXT:    vsetivli zero, 1, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    vmv.v.i v12, 0
; CHECK-NEXT:    vsetivli zero, 1, e32, m4, ta, ma
; CHECK-NEXT:    vredsum.vs v8, v12, v8, v0.t
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br i1 %prof.min.iters.check, label %for.body, label %vector.ph

vector.ph:                                        ; preds = %entry
  %2 = tail call i32 @llvm.vp.reduce.add.nxv8i32(i32 0, <vscale x 8 x i32> zeroinitializer, <vscale x 8 x i1> %0, i32 1)
  br label %for.end

for.body:                                         ; preds = %for.body, %entry
  %indvars.iv = phi i64 [ %indvars.iv.next, %for.body ], [ 0, %entry ]
  %red.05 = phi i32 [ %3, %for.body ], [ 0, %entry ]
  %arrayidx = getelementptr i32, ptr %a, i64 %indvars.iv
  %3 = load i32, ptr %arrayidx, align 4
  %indvars.iv.next = add i64 %indvars.iv, 1
  %exitcond.not = icmp eq i32 %n, 0
  br i1 %exitcond.not, label %for.end, label %for.body

for.end:                                          ; preds = %for.body, %vector.ph
  %red.0.lcssa = phi i32 [ %2, %vector.ph ], [ %red.05, %for.body ]
  ret i32 %red.0.lcssa
}

declare i32 @llvm.vp.reduce.add.nxv8i32(i32, <vscale x 8 x i32>, <vscale x 8 x i1>, i32)