llvm/test/CodeGen/RISCV/rvv/riscv-codegenprepare-asm.ll

; 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

declare i64 @llvm.vscale.i64()
declare float @llvm.vector.reduce.fadd.nxv4f32(float, <vscale x 4 x float>)

define float @reduce_fadd(ptr %f) {
; CHECK-LABEL: reduce_fadd:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    csrr a2, vlenb
; CHECK-NEXT:    vsetvli a1, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    srli a1, a2, 1
; CHECK-NEXT:    slli a2, a2, 1
; CHECK-NEXT:    li a3, 1024
; CHECK-NEXT:  .LBB0_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vl2re32.v v10, (a0)
; CHECK-NEXT:    sub a3, a3, a1
; CHECK-NEXT:    vsetvli a4, zero, e32, m2, ta, ma
; CHECK-NEXT:    vfredosum.vs v8, v10, v8
; CHECK-NEXT:    add a0, a0, a2
; CHECK-NEXT:    bnez a3, .LBB0_1
; CHECK-NEXT:  # %bb.2: # %exit
; CHECK-NEXT:    vfmv.f.s fa0, v8
; CHECK-NEXT:    ret
entry:
  %vscale = tail call i64 @llvm.vscale.i64()
  %vecsize = shl nuw nsw i64 %vscale, 2
  br label %vector.body

vector.body:
  %index = phi i64 [ 0, %entry ], [ %index.next, %vector.body ]
  %vec.phi = phi float [ 0.000000e+00, %entry ], [ %acc, %vector.body ]
  %gep = getelementptr inbounds float, ptr %f, i64 %index
  %wide.load = load <vscale x 4 x float>, ptr %gep, align 4
  %acc = tail call float @llvm.vector.reduce.fadd.nxv4f32(float %vec.phi, <vscale x 4 x float> %wide.load)
  %index.next = add nuw i64 %index, %vecsize
  %done = icmp eq i64 %index.next, 1024
  br i1 %done, label %exit, label %vector.body

exit:
  ret float %acc
}

define i32 @vp_reduce_add(ptr %a) {
; CHECK-LABEL: vp_reduce_add:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB1_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredsum.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB1_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ 0, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.add.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_and(ptr %a) {
; CHECK-LABEL: vp_reduce_and:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    lui a2, 524288
; CHECK-NEXT:    vsetvli a3, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, a2
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB2_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredand.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB2_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ -2147483648, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.and.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_or(ptr %a) {
; CHECK-LABEL: vp_reduce_or:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB3_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredor.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB3_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ 0, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.or.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_xor(ptr %a) {
; CHECK-LABEL: vp_reduce_xor:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB4_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredxor.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB4_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ 0, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.xor.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_smax(ptr %a) {
; CHECK-LABEL: vp_reduce_smax:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    lui a2, 524288
; CHECK-NEXT:    vsetvli a3, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, a2
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB5_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredmax.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB5_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ -2147483648, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.smax.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_smin(ptr %a) {
; CHECK-LABEL: vp_reduce_smin:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    lui a2, 524288
; CHECK-NEXT:    addi a2, a2, -1
; CHECK-NEXT:    vsetvli a3, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, a2
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB6_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredmin.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB6_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ 2147483647, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.smin.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_umax(ptr %a) {
; CHECK-LABEL: vp_reduce_umax:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB7_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredmaxu.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB7_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ 0, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.umax.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define i32 @vp_reduce_umin(ptr %a) {
; CHECK-LABEL: vp_reduce_umin:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    lui a2, 524288
; CHECK-NEXT:    vsetvli a3, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, a2
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB8_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vredminu.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB8_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vmv.x.s a0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi i32 [ -2147483648, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds i32, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x i32> @llvm.vp.load.nxv4i32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call i32 @llvm.vp.reduce.umin.nxv4i32(i32 %red.phi, <vscale x 4 x i32> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret i32 %red
}

define float @vp_reduce_fadd(ptr %a) {
; CHECK-LABEL: vp_reduce_fadd:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB9_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vfredosum.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB9_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vfmv.f.s fa0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi float [ 0.000000e+00, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds float, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x float> @llvm.vp.load.nxv4f32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call float @llvm.vp.reduce.fadd.nxv4f32(float %red.phi, <vscale x 4 x float> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret float %red
}

define float @vp_reduce_fmax(ptr %a) {
; CHECK-LABEL: vp_reduce_fmax:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB10_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vfredmax.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB10_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vfmv.f.s fa0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi float [ 0.000000e+00, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds float, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x float> @llvm.vp.load.nxv4f32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call float @llvm.vp.reduce.fmax.nxv4f32(float %red.phi, <vscale x 4 x float> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret float %red
}

define float @vp_reduce_fmin(ptr %a) {
; CHECK-LABEL: vp_reduce_fmin:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    li a1, 0
; CHECK-NEXT:    vsetvli a2, zero, e32, m1, ta, ma
; CHECK-NEXT:    vmv.s.x v8, zero
; CHECK-NEXT:    li a2, 1024
; CHECK-NEXT:  .LBB11_1: # %vector.body
; CHECK-NEXT:    # =>This Inner Loop Header: Depth=1
; CHECK-NEXT:    vsetvli a3, a2, e32, m2, ta, ma
; CHECK-NEXT:    slli a4, a1, 2
; CHECK-NEXT:    add a4, a0, a4
; CHECK-NEXT:    vle32.v v10, (a4)
; CHECK-NEXT:    sub a2, a2, a3
; CHECK-NEXT:    vfredmin.vs v8, v10, v8
; CHECK-NEXT:    add a1, a1, a3
; CHECK-NEXT:    bnez a2, .LBB11_1
; CHECK-NEXT:  # %bb.2: # %for.cond.cleanup
; CHECK-NEXT:    vfmv.f.s fa0, v8
; CHECK-NEXT:    ret
entry:
  br label %vector.body

vector.body:                                      ; preds = %vector.body, %entry
  %trip.count = phi i64 [ 1024, %entry ], [ %remaining.trip.count, %vector.body ]
  %scalar.ind = phi i64 [ 0, %entry ], [ %next.ind, %vector.body ]
  %red.phi = phi float [ 0.000000e+00, %entry ], [ %red, %vector.body ]
  %evl = tail call i32 @llvm.experimental.get.vector.length.i64(i64 %trip.count, i32 4, i1 true)
  %evl2 = zext i32 %evl to i64
  %arrayidx6 = getelementptr inbounds float, ptr %a, i64 %scalar.ind
  %wide.load = tail call <vscale x 4 x float> @llvm.vp.load.nxv4f32.p0(ptr %arrayidx6, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %red = tail call float @llvm.vp.reduce.fmin.nxv4f32(float %red.phi, <vscale x 4 x float> %wide.load, <vscale x 4 x i1> splat (i1 true), i32 %evl)
  %remaining.trip.count = sub nuw i64 %trip.count, %evl2
  %next.ind = add i64 %scalar.ind, %evl2
  %m = icmp eq i64 %remaining.trip.count, 0
  br i1 %m, label %for.cond.cleanup, label %vector.body

for.cond.cleanup:                                 ; preds = %vector.body
  ret float %red
}