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llvm/llvm/test/CodeGen/ARM/vecreduce-fmax-legalization-soft-float.ll 

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=arm-none-eabi -mattr=-neon | FileCheck %s --check-prefix=CHECK

declare half @llvm.vector.reduce.fmax.v4f16(<4 x half>)
declare float @llvm.vector.reduce.fmax.v4f32(<4 x float>)
declare double @llvm.vector.reduce.fmax.v2f64(<2 x double>)
declare fp128 @llvm.vector.reduce.fmax.v2f128(<2 x fp128>)

define half @test_v4f16(<4 x half> %a) nounwind {
; CHECK-LABEL: test_v4f16:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    .save {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT:    push {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT:    mov r8, #255
; CHECK-NEXT:    mov r4, r3
; CHECK-NEXT:    orr r8, r8, #65280
; CHECK-NEXT:    mov r5, r2
; CHECK-NEXT:    and r0, r0, r8
; CHECK-NEXT:    mov r6, r1
; CHECK-NEXT:    bl __aeabi_h2f
; CHECK-NEXT:    mov r7, r0
; CHECK-NEXT:    and r0, r6, r8
; CHECK-NEXT:    bl __aeabi_h2f
; CHECK-NEXT:    mov r1, r0
; CHECK-NEXT:    mov r0, r7
; CHECK-NEXT:    bl fmaxf
; CHECK-NEXT:    bl __aeabi_f2h
; CHECK-NEXT:    mov r6, r0
; CHECK-NEXT:    and r0, r5, r8
; CHECK-NEXT:    bl __aeabi_h2f
; CHECK-NEXT:    mov r5, r0
; CHECK-NEXT:    and r0, r6, r8
; CHECK-NEXT:    bl __aeabi_h2f
; CHECK-NEXT:    mov r1, r5
; CHECK-NEXT:    bl fmaxf
; CHECK-NEXT:    bl __aeabi_f2h
; CHECK-NEXT:    mov r5, r0
; CHECK-NEXT:    and r0, r4, r8
; CHECK-NEXT:    bl __aeabi_h2f
; CHECK-NEXT:    mov r4, r0
; CHECK-NEXT:    and r0, r5, r8
; CHECK-NEXT:    bl __aeabi_h2f
; CHECK-NEXT:    mov r1, r4
; CHECK-NEXT:    bl fmaxf
; CHECK-NEXT:    bl __aeabi_f2h
; CHECK-NEXT:    pop {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT:    mov pc, lr
  %b = call fast half @llvm.vector.reduce.fmax.v4f16(<4 x half> %a)
  ret half %b
}

define float @test_v4f32(<4 x float> %a) nounwind {
; CHECK-LABEL: test_v4f32:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    .save {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT:    push {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT:    mov r4, r3
; CHECK-NEXT:    mov r6, r2
; CHECK-NEXT:    mov r5, r1
; CHECK-NEXT:    mov r7, r0
; CHECK-NEXT:    bl __aeabi_fcmpgt
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    mov r1, r6
; CHECK-NEXT:    movne r5, r7
; CHECK-NEXT:    mov r0, r5
; CHECK-NEXT:    bl __aeabi_fcmpgt
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    mov r1, r4
; CHECK-NEXT:    moveq r5, r6
; CHECK-NEXT:    mov r0, r5
; CHECK-NEXT:    bl __aeabi_fcmpgt
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    moveq r5, r4
; CHECK-NEXT:    mov r0, r5
; CHECK-NEXT:    pop {r4, r5, r6, r7, r11, lr}
; CHECK-NEXT:    mov pc, lr
  %b = call fast float @llvm.vector.reduce.fmax.v4f32(<4 x float> %a)
  ret float %b
}

define double @test_v2f64(<2 x double> %a) nounwind {
; CHECK-LABEL: test_v2f64:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    .save {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT:    push {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT:    mov r4, r3
; CHECK-NEXT:    mov r6, r2
; CHECK-NEXT:    mov r8, r1
; CHECK-NEXT:    mov r7, r0
; CHECK-NEXT:    bl __aeabi_dcmpgt
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    mov r5, r6
; CHECK-NEXT:    mov r0, r7
; CHECK-NEXT:    mov r1, r8
; CHECK-NEXT:    mov r2, r6
; CHECK-NEXT:    mov r3, r4
; CHECK-NEXT:    movne r5, r7
; CHECK-NEXT:    bl __aeabi_dcmpgt
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    mov r0, r5
; CHECK-NEXT:    movne r4, r8
; CHECK-NEXT:    mov r1, r4
; CHECK-NEXT:    pop {r4, r5, r6, r7, r8, lr}
; CHECK-NEXT:    mov pc, lr
  %b = call fast double @llvm.vector.reduce.fmax.v2f64(<2 x double> %a)
  ret double %b
}

define fp128 @test_v2f128(<2 x fp128> %a) nounwind {
; CHECK-LABEL: test_v2f128:
; CHECK:       @ %bb.0:
; CHECK-NEXT:    .save {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-NEXT:    push {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-NEXT:    .pad #28
; CHECK-NEXT:    sub sp, sp, #28
; CHECK-NEXT:    ldr r5, [sp, #76]
; CHECK-NEXT:    mov r8, r3
; CHECK-NEXT:    ldr r6, [sp, #72]
; CHECK-NEXT:    mov r9, r2
; CHECK-NEXT:    ldr r4, [sp, #68]
; CHECK-NEXT:    mov r10, r1
; CHECK-NEXT:    ldr r7, [sp, #64]
; CHECK-NEXT:    mov r11, r0
; CHECK-NEXT:    str r5, [sp, #12]
; CHECK-NEXT:    str r6, [sp, #8]
; CHECK-NEXT:    str r4, [sp, #4]
; CHECK-NEXT:    str r7, [sp]
; CHECK-NEXT:    bl __gttf2
; CHECK-NEXT:    str r0, [sp, #24] @ 4-byte Spill
; CHECK-NEXT:    mov r0, r11
; CHECK-NEXT:    mov r1, r10
; CHECK-NEXT:    mov r2, r9
; CHECK-NEXT:    mov r3, r8
; CHECK-NEXT:    str r7, [sp]
; CHECK-NEXT:    stmib sp, {r4, r6}
; CHECK-NEXT:    str r5, [sp, #12]
; CHECK-NEXT:    bl __gttf2
; CHECK-NEXT:    str r0, [sp, #20] @ 4-byte Spill
; CHECK-NEXT:    mov r0, r11
; CHECK-NEXT:    mov r1, r10
; CHECK-NEXT:    mov r2, r9
; CHECK-NEXT:    mov r3, r8
; CHECK-NEXT:    str r7, [sp]
; CHECK-NEXT:    stmib sp, {r4, r6}
; CHECK-NEXT:    str r5, [sp, #12]
; CHECK-NEXT:    bl __gttf2
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    ldr r0, [sp, #20] @ 4-byte Reload
; CHECK-NEXT:    str r7, [sp]
; CHECK-NEXT:    movgt r7, r11
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    ldr r0, [sp, #24] @ 4-byte Reload
; CHECK-NEXT:    stmib sp, {r4, r6}
; CHECK-NEXT:    movgt r4, r10
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    mov r0, r11
; CHECK-NEXT:    mov r1, r10
; CHECK-NEXT:    mov r2, r9
; CHECK-NEXT:    mov r3, r8
; CHECK-NEXT:    str r5, [sp, #12]
; CHECK-NEXT:    movgt r6, r9
; CHECK-NEXT:    bl __gttf2
; CHECK-NEXT:    cmp r0, #0
; CHECK-NEXT:    mov r0, r7
; CHECK-NEXT:    movgt r5, r8
; CHECK-NEXT:    mov r1, r4
; CHECK-NEXT:    mov r2, r6
; CHECK-NEXT:    mov r3, r5
; CHECK-NEXT:    add sp, sp, #28
; CHECK-NEXT:    pop {r4, r5, r6, r7, r8, r9, r10, r11, lr}
; CHECK-NEXT:    mov pc, lr
  %b = call fast fp128 @llvm.vector.reduce.fmax.v2f128(<2 x fp128> %a)
  ret fp128 %b
}