path: root/llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll

; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr9 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,CHECK-PWR9,CHECK-PWR9-LE
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr9 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,CHECK-PWR9,CHECK-PWR9-BE
; RUN: llc < %s -mtriple=powerpc64le-unknown-linux-gnu -mcpu=pwr8 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s --check-prefixes=CHECK,CHECK-PWR78,CHECK-PWR8 -implicit-check-not vabsdu
; RUN: llc < %s -mtriple=powerpc64-unknown-linux-gnu -mcpu=pwr7 -ppc-vsr-nums-as-vr -ppc-asm-full-reg-names -verify-machineinstrs | FileCheck %s -check-prefixes=CHECK,CHECK-PWR78,CHECK-PWR7 -implicit-check-not vmaxsd

define <4 x i32> @simple_absv_32(<4 x i32> %a) local_unnamed_addr {
; CHECK-PWR9-LABEL: simple_absv_32:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vnegw v3, v2
; CHECK-PWR9-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: simple_absv_32:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %sub.i = sub <4 x i32> zeroinitializer, %a
  %0 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %a, <4 x i32> %sub.i)
  ret <4 x i32> %0
}

define <4 x i32> @simple_absv_32_swap(<4 x i32> %a) local_unnamed_addr {
; CHECK-PWR9-LABEL: simple_absv_32_swap:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vnegw v3, v2
; CHECK-PWR9-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: simple_absv_32_swap:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v3, v2
; CHECK-PWR78-NEXT:    blr
entry:
  %sub.i = sub <4 x i32> zeroinitializer, %a
  %0 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %sub.i, <4 x i32> %a)
  ret <4 x i32> %0
}

define <8 x i16> @simple_absv_16(<8 x i16> %a) local_unnamed_addr {
; CHECK-LABEL: simple_absv_16:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsubuhm v3, v3, v2
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %sub.i = sub <8 x i16> zeroinitializer, %a
  %0 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %a, <8 x i16> %sub.i)
  ret <8 x i16> %0
}

define <16 x i8> @simple_absv_8(<16 x i8> %a) local_unnamed_addr {
; CHECK-LABEL: simple_absv_8:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsububm v3, v3, v2
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %sub.i = sub <16 x i8> zeroinitializer, %a
  %0 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %a, <16 x i8> %sub.i)
  ret <16 x i8> %0
}

; v2i64 vmax isn't avaiable on pwr7
define <2 x i64> @sub_absv_64(<2 x i64> %a, <2 x i64> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_64:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    vsubudm v2, v2, v3
; CHECK-PWR9-NEXT:    vnegd v3, v2
; CHECK-PWR9-NEXT:    vmaxsd v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR8-LABEL: sub_absv_64:
; CHECK-PWR8:       # %bb.0: # %entry
; CHECK-PWR8-NEXT:    vsubudm v2, v2, v3
; CHECK-PWR8-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR8-NEXT:    vsubudm v3, v3, v2
; CHECK-PWR8-NEXT:    vmaxsd v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sub_absv_64:
; CHECK-PWR7:       # %bb.0: # %entry
; CHECK-PWR7-NEXT:    addi r3, r1, -48
; CHECK-PWR7-NEXT:    stxvd2x v2, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, -32
; CHECK-PWR7-NEXT:    stxvd2x v3, 0, r3
; CHECK-PWR7-NEXT:    ld r4, -40(r1)
; CHECK-PWR7-NEXT:    ld r5, -24(r1)
; CHECK-PWR7-NEXT:    ld r3, -48(r1)
; CHECK-PWR7-NEXT:    sub r4, r4, r5
; CHECK-PWR7-NEXT:    sradi r5, r4, 63
; CHECK-PWR7-NEXT:    xor r4, r4, r5
; CHECK-PWR7-NEXT:    sub r4, r4, r5
; CHECK-PWR7-NEXT:    ld r5, -32(r1)
; CHECK-PWR7-NEXT:    std r4, -8(r1)
; CHECK-PWR7-NEXT:    sub r3, r3, r5
; CHECK-PWR7-NEXT:    sradi r4, r3, 63
; CHECK-PWR7-NEXT:    xor r3, r3, r4
; CHECK-PWR7-NEXT:    sub r3, r3, r4
; CHECK-PWR7-NEXT:    std r3, -16(r1)
; CHECK-PWR7-NEXT:    addi r3, r1, -16
; CHECK-PWR7-NEXT:    lxvd2x v2, 0, r3
; CHECK-PWR7-NEXT:    blr
entry:
  %0 = sub nsw <2 x i64> %a, %b
  %1 = icmp sgt <2 x i64> %0, <i64 -1, i64 -1>
  %2 = sub <2 x i64> zeroinitializer, %0
  %3 = select <2 x i1> %1, <2 x i64> %0, <2 x i64> %2
  ret <2 x i64> %3
}

; The select pattern can only be detected for v4i32.
define <4 x i32> @sub_absv_32(<4 x i32> %a, <4 x i32> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_32:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_32:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %0 = sub nsw <4 x i32> %a, %b
  %1 = icmp sgt <4 x i32> %0, <i32 -1, i32 -1, i32 -1, i32 -1>
  %2 = sub <4 x i32> zeroinitializer, %0
  %3 = select <4 x i1> %1, <4 x i32> %0, <4 x i32> %2
  ret <4 x i32> %3
}

define <8 x i16> @sub_absv_16(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
; CHECK-LABEL: sub_absv_16:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    vsubuhm v2, v2, v3
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsubuhm v3, v3, v2
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %0 = sub nsw <8 x i16> %a, %b
  %1 = icmp sgt <8 x i16> %0, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>
  %2 = sub <8 x i16> zeroinitializer, %0
  %3 = select <8 x i1> %1, <8 x i16> %0, <8 x i16> %2
  ret <8 x i16> %3
}

define <16 x i8> @sub_absv_8(<16 x i8> %a, <16 x i8> %b) local_unnamed_addr {
; CHECK-LABEL: sub_absv_8:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    vsububm v2, v2, v3
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsububm v3, v3, v2
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %0 = sub nsw <16 x i8> %a, %b
  %1 = icmp sgt <16 x i8> %0, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>
  %2 = sub <16 x i8> zeroinitializer, %0
  %3 = select <16 x i1> %1, <16 x i8> %0, <16 x i8> %2
  ret <16 x i8> %3
}

define <8 x i16> @sub_absv_16_ext(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
; CHECK-LABEL: sub_absv_16_ext:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    vminsh v4, v2, v3
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    vsubuhm v2, v2, v4
; CHECK-NEXT:    blr
entry:
  %0 = sext <8 x i16> %a to <8 x i32>
  %1 = sext <8 x i16> %b to <8 x i32>
  %2 = sub nsw <8 x i32> %0, %1
  %3 = icmp sgt <8 x i32> %2, <i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1, i32 -1>
  %4 = sub nsw <8 x i32> zeroinitializer, %2
  %5 = select <8 x i1> %3, <8 x i32> %2, <8 x i32> %4
  %6 = trunc <8 x i32> %5 to <8 x i16>
  ret <8 x i16> %6
}

; FIXME: This does not produce ISD::ABS. This does not even vectorize correctly!
; This function should look like sub_absv_32 and sub_absv_16 except that the type is v16i8.
; Function Attrs: norecurse nounwind readnone
define <16 x i8> @sub_absv_8_ext(<16 x i8> %a, <16 x i8> %b) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: sub_absv_8_ext:
; CHECK-PWR9-LE:       # %bb.0: # %entry
; CHECK-PWR9-LE-NEXT:    li r3, 0
; CHECK-PWR9-LE-NEXT:    li r5, 2
; CHECK-PWR9-LE-NEXT:    li r4, 1
; CHECK-PWR9-LE-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    vextubrx r6, r3, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r3, r3, v3
; CHECK-PWR9-LE-NEXT:    vextubrx r8, r5, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r5, r5, v3
; CHECK-PWR9-LE-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r28, -32(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r27, -40(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r26, -48(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    std r25, -56(r1) # 8-byte Folded Spill
; CHECK-PWR9-LE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r3, r3, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR9-LE-NEXT:    vextubrx r7, r4, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r4, r4, v3
; CHECK-PWR9-LE-NEXT:    sub r3, r6, r3
; CHECK-PWR9-LE-NEXT:    sub r6, r8, r5
; CHECK-PWR9-LE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r4, r4, 24
; CHECK-PWR9-LE-NEXT:    sub r4, r7, r4
; CHECK-PWR9-LE-NEXT:    srawi r5, r3, 31
; CHECK-PWR9-LE-NEXT:    srawi r7, r4, 31
; CHECK-PWR9-LE-NEXT:    xor r3, r3, r5
; CHECK-PWR9-LE-NEXT:    xor r4, r4, r7
; CHECK-PWR9-LE-NEXT:    sub r5, r3, r5
; CHECK-PWR9-LE-NEXT:    srawi r3, r6, 31
; CHECK-PWR9-LE-NEXT:    sub r4, r4, r7
; CHECK-PWR9-LE-NEXT:    xor r6, r6, r3
; CHECK-PWR9-LE-NEXT:    sub r3, r6, r3
; CHECK-PWR9-LE-NEXT:    li r6, 3
; CHECK-PWR9-LE-NEXT:    vextubrx r7, r6, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r6, r6, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-LE-NEXT:    sub r6, r7, r6
; CHECK-PWR9-LE-NEXT:    srawi r7, r6, 31
; CHECK-PWR9-LE-NEXT:    xor r6, r6, r7
; CHECK-PWR9-LE-NEXT:    sub r6, r6, r7
; CHECK-PWR9-LE-NEXT:    li r7, 4
; CHECK-PWR9-LE-NEXT:    vextubrx r8, r7, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r7, r7, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r6
; CHECK-PWR9-LE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-LE-NEXT:    sub r7, r8, r7
; CHECK-PWR9-LE-NEXT:    srawi r8, r7, 31
; CHECK-PWR9-LE-NEXT:    xor r7, r7, r8
; CHECK-PWR9-LE-NEXT:    sub r7, r7, r8
; CHECK-PWR9-LE-NEXT:    li r8, 5
; CHECK-PWR9-LE-NEXT:    vextubrx r9, r8, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r8, r8, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-LE-NEXT:    sub r8, r9, r8
; CHECK-PWR9-LE-NEXT:    srawi r9, r8, 31
; CHECK-PWR9-LE-NEXT:    xor r8, r8, r9
; CHECK-PWR9-LE-NEXT:    sub r8, r8, r9
; CHECK-PWR9-LE-NEXT:    li r9, 6
; CHECK-PWR9-LE-NEXT:    vextubrx r10, r9, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r9, r9, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-LE-NEXT:    sub r9, r10, r9
; CHECK-PWR9-LE-NEXT:    srawi r10, r9, 31
; CHECK-PWR9-LE-NEXT:    xor r9, r9, r10
; CHECK-PWR9-LE-NEXT:    sub r9, r9, r10
; CHECK-PWR9-LE-NEXT:    li r10, 7
; CHECK-PWR9-LE-NEXT:    vextubrx r11, r10, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r10, r10, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-LE-NEXT:    sub r10, r11, r10
; CHECK-PWR9-LE-NEXT:    srawi r11, r10, 31
; CHECK-PWR9-LE-NEXT:    xor r10, r10, r11
; CHECK-PWR9-LE-NEXT:    sub r10, r10, r11
; CHECK-PWR9-LE-NEXT:    li r11, 8
; CHECK-PWR9-LE-NEXT:    vextubrx r12, r11, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r11, r11, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v5, r10
; CHECK-PWR9-LE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-LE-NEXT:    sub r11, r12, r11
; CHECK-PWR9-LE-NEXT:    srawi r12, r11, 31
; CHECK-PWR9-LE-NEXT:    xor r11, r11, r12
; CHECK-PWR9-LE-NEXT:    sub r11, r11, r12
; CHECK-PWR9-LE-NEXT:    li r12, 9
; CHECK-PWR9-LE-NEXT:    vextubrx r0, r12, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r12, r12, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-LE-NEXT:    sub r12, r0, r12
; CHECK-PWR9-LE-NEXT:    srawi r0, r12, 31
; CHECK-PWR9-LE-NEXT:    xor r12, r12, r0
; CHECK-PWR9-LE-NEXT:    sub r12, r12, r0
; CHECK-PWR9-LE-NEXT:    li r0, 10
; CHECK-PWR9-LE-NEXT:    vextubrx r30, r0, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r0, r0, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-LE-NEXT:    sub r0, r30, r0
; CHECK-PWR9-LE-NEXT:    srawi r30, r0, 31
; CHECK-PWR9-LE-NEXT:    xor r0, r0, r30
; CHECK-PWR9-LE-NEXT:    sub r0, r0, r30
; CHECK-PWR9-LE-NEXT:    li r30, 11
; CHECK-PWR9-LE-NEXT:    vextubrx r29, r30, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r30, r30, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-LE-NEXT:    sub r30, r29, r30
; CHECK-PWR9-LE-NEXT:    srawi r29, r30, 31
; CHECK-PWR9-LE-NEXT:    xor r30, r30, r29
; CHECK-PWR9-LE-NEXT:    sub r30, r30, r29
; CHECK-PWR9-LE-NEXT:    li r29, 12
; CHECK-PWR9-LE-NEXT:    vextubrx r28, r29, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r29, r29, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-LE-NEXT:    sub r29, r28, r29
; CHECK-PWR9-LE-NEXT:    srawi r28, r29, 31
; CHECK-PWR9-LE-NEXT:    xor r29, r29, r28
; CHECK-PWR9-LE-NEXT:    sub r29, r29, r28
; CHECK-PWR9-LE-NEXT:    li r28, 13
; CHECK-PWR9-LE-NEXT:    vextubrx r27, r28, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r28, r28, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-LE-NEXT:    sub r28, r27, r28
; CHECK-PWR9-LE-NEXT:    srawi r27, r28, 31
; CHECK-PWR9-LE-NEXT:    xor r28, r28, r27
; CHECK-PWR9-LE-NEXT:    sub r28, r28, r27
; CHECK-PWR9-LE-NEXT:    li r27, 14
; CHECK-PWR9-LE-NEXT:    vextubrx r26, r27, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r27, r27, v3
; CHECK-PWR9-LE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-LE-NEXT:    sub r27, r26, r27
; CHECK-PWR9-LE-NEXT:    srawi r26, r27, 31
; CHECK-PWR9-LE-NEXT:    xor r27, r27, r26
; CHECK-PWR9-LE-NEXT:    sub r27, r27, r26
; CHECK-PWR9-LE-NEXT:    li r26, 15
; CHECK-PWR9-LE-NEXT:    vextubrx r25, r26, v2
; CHECK-PWR9-LE-NEXT:    vextubrx r26, r26, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v2, r5
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r4
; CHECK-PWR9-LE-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r3
; CHECK-PWR9-LE-NEXT:    clrlwi r25, r25, 24
; CHECK-PWR9-LE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r8
; CHECK-PWR9-LE-NEXT:    sub r26, r25, r26
; CHECK-PWR9-LE-NEXT:    vmrglh v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r7
; CHECK-PWR9-LE-NEXT:    srawi r25, r26, 31
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r9
; CHECK-PWR9-LE-NEXT:    xor r26, r26, r25
; CHECK-PWR9-LE-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR9-LE-NEXT:    sub r26, r26, r25
; CHECK-PWR9-LE-NEXT:    ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    mtvsrd v5, r26
; CHECK-PWR9-LE-NEXT:    ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r30
; CHECK-PWR9-LE-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    xxmrglw vs0, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v2, r11
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r12
; CHECK-PWR9-LE-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r0
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r28
; CHECK-PWR9-LE-NEXT:    ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrglh v2, v3, v2
; CHECK-PWR9-LE-NEXT:    mtvsrd v3, r29
; CHECK-PWR9-LE-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR9-LE-NEXT:    mtvsrd v4, r27
; CHECK-PWR9-LE-NEXT:    ld r27, -40(r1) # 8-byte Folded Reload
; CHECK-PWR9-LE-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR9-LE-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR9-LE-NEXT:    xxmrglw vs1, v3, v2
; CHECK-PWR9-LE-NEXT:    xxmrgld v2, vs1, vs0
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: sub_absv_8_ext:
; CHECK-PWR9-BE:       # %bb.0: # %entry
; CHECK-PWR9-BE-NEXT:    li r3, 0
; CHECK-PWR9-BE-NEXT:    li r4, 1
; CHECK-PWR9-BE-NEXT:    li r5, 2
; CHECK-PWR9-BE-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    vextublx r6, r3, v2
; CHECK-PWR9-BE-NEXT:    vextublx r3, r3, v3
; CHECK-PWR9-BE-NEXT:    vextublx r7, r4, v2
; CHECK-PWR9-BE-NEXT:    vextublx r4, r4, v3
; CHECK-PWR9-BE-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r28, -32(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r27, -40(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r26, -48(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    std r25, -56(r1) # 8-byte Folded Spill
; CHECK-PWR9-BE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r3, r3, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r4, r4, 24
; CHECK-PWR9-BE-NEXT:    vextublx r8, r5, v2
; CHECK-PWR9-BE-NEXT:    vextublx r5, r5, v3
; CHECK-PWR9-BE-NEXT:    sub r3, r6, r3
; CHECK-PWR9-BE-NEXT:    sub r4, r7, r4
; CHECK-PWR9-BE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR9-BE-NEXT:    sub r5, r8, r5
; CHECK-PWR9-BE-NEXT:    srawi r6, r3, 31
; CHECK-PWR9-BE-NEXT:    srawi r7, r4, 31
; CHECK-PWR9-BE-NEXT:    srawi r8, r5, 31
; CHECK-PWR9-BE-NEXT:    xor r3, r3, r6
; CHECK-PWR9-BE-NEXT:    xor r4, r4, r7
; CHECK-PWR9-BE-NEXT:    xor r5, r5, r8
; CHECK-PWR9-BE-NEXT:    sub r3, r3, r6
; CHECK-PWR9-BE-NEXT:    li r6, 3
; CHECK-PWR9-BE-NEXT:    sub r4, r4, r7
; CHECK-PWR9-BE-NEXT:    sub r5, r5, r8
; CHECK-PWR9-BE-NEXT:    vextublx r7, r6, v2
; CHECK-PWR9-BE-NEXT:    vextublx r6, r6, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR9-BE-NEXT:    sub r6, r7, r6
; CHECK-PWR9-BE-NEXT:    srawi r7, r6, 31
; CHECK-PWR9-BE-NEXT:    xor r6, r6, r7
; CHECK-PWR9-BE-NEXT:    sub r6, r6, r7
; CHECK-PWR9-BE-NEXT:    li r7, 4
; CHECK-PWR9-BE-NEXT:    vextublx r8, r7, v2
; CHECK-PWR9-BE-NEXT:    vextublx r7, r7, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR9-BE-NEXT:    sub r7, r8, r7
; CHECK-PWR9-BE-NEXT:    srawi r8, r7, 31
; CHECK-PWR9-BE-NEXT:    xor r7, r7, r8
; CHECK-PWR9-BE-NEXT:    sub r7, r7, r8
; CHECK-PWR9-BE-NEXT:    li r8, 5
; CHECK-PWR9-BE-NEXT:    vextublx r9, r8, v2
; CHECK-PWR9-BE-NEXT:    vextublx r8, r8, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR9-BE-NEXT:    sub r8, r9, r8
; CHECK-PWR9-BE-NEXT:    srawi r9, r8, 31
; CHECK-PWR9-BE-NEXT:    xor r8, r8, r9
; CHECK-PWR9-BE-NEXT:    sub r8, r8, r9
; CHECK-PWR9-BE-NEXT:    li r9, 6
; CHECK-PWR9-BE-NEXT:    vextublx r10, r9, v2
; CHECK-PWR9-BE-NEXT:    vextublx r9, r9, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR9-BE-NEXT:    sub r9, r10, r9
; CHECK-PWR9-BE-NEXT:    srawi r10, r9, 31
; CHECK-PWR9-BE-NEXT:    xor r9, r9, r10
; CHECK-PWR9-BE-NEXT:    sub r9, r9, r10
; CHECK-PWR9-BE-NEXT:    li r10, 7
; CHECK-PWR9-BE-NEXT:    vextublx r11, r10, v2
; CHECK-PWR9-BE-NEXT:    vextublx r10, r10, v3
; CHECK-PWR9-BE-NEXT:    mtfprwz f2, r9
; CHECK-PWR9-BE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR9-BE-NEXT:    sub r10, r11, r10
; CHECK-PWR9-BE-NEXT:    srawi r11, r10, 31
; CHECK-PWR9-BE-NEXT:    xor r10, r10, r11
; CHECK-PWR9-BE-NEXT:    sub r10, r10, r11
; CHECK-PWR9-BE-NEXT:    li r11, 8
; CHECK-PWR9-BE-NEXT:    vextublx r12, r11, v2
; CHECK-PWR9-BE-NEXT:    vextublx r11, r11, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR9-BE-NEXT:    sub r11, r12, r11
; CHECK-PWR9-BE-NEXT:    srawi r12, r11, 31
; CHECK-PWR9-BE-NEXT:    xor r11, r11, r12
; CHECK-PWR9-BE-NEXT:    sub r11, r11, r12
; CHECK-PWR9-BE-NEXT:    li r12, 9
; CHECK-PWR9-BE-NEXT:    vextublx r0, r12, v2
; CHECK-PWR9-BE-NEXT:    vextublx r12, r12, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR9-BE-NEXT:    sub r12, r0, r12
; CHECK-PWR9-BE-NEXT:    srawi r0, r12, 31
; CHECK-PWR9-BE-NEXT:    xor r12, r12, r0
; CHECK-PWR9-BE-NEXT:    sub r12, r12, r0
; CHECK-PWR9-BE-NEXT:    li r0, 10
; CHECK-PWR9-BE-NEXT:    vextublx r30, r0, v2
; CHECK-PWR9-BE-NEXT:    vextublx r0, r0, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v4, r12
; CHECK-PWR9-BE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR9-BE-NEXT:    sub r0, r30, r0
; CHECK-PWR9-BE-NEXT:    srawi r30, r0, 31
; CHECK-PWR9-BE-NEXT:    xor r0, r0, r30
; CHECK-PWR9-BE-NEXT:    sub r0, r0, r30
; CHECK-PWR9-BE-NEXT:    li r30, 11
; CHECK-PWR9-BE-NEXT:    vextublx r29, r30, v2
; CHECK-PWR9-BE-NEXT:    vextublx r30, r30, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR9-BE-NEXT:    sub r30, r29, r30
; CHECK-PWR9-BE-NEXT:    srawi r29, r30, 31
; CHECK-PWR9-BE-NEXT:    xor r30, r30, r29
; CHECK-PWR9-BE-NEXT:    sub r30, r30, r29
; CHECK-PWR9-BE-NEXT:    li r29, 12
; CHECK-PWR9-BE-NEXT:    vextublx r28, r29, v2
; CHECK-PWR9-BE-NEXT:    vextublx r29, r29, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR9-BE-NEXT:    sub r29, r28, r29
; CHECK-PWR9-BE-NEXT:    srawi r28, r29, 31
; CHECK-PWR9-BE-NEXT:    xor r29, r29, r28
; CHECK-PWR9-BE-NEXT:    sub r29, r29, r28
; CHECK-PWR9-BE-NEXT:    li r28, 13
; CHECK-PWR9-BE-NEXT:    vextublx r27, r28, v2
; CHECK-PWR9-BE-NEXT:    vextublx r28, r28, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR9-BE-NEXT:    sub r28, r27, r28
; CHECK-PWR9-BE-NEXT:    srawi r27, r28, 31
; CHECK-PWR9-BE-NEXT:    xor r28, r28, r27
; CHECK-PWR9-BE-NEXT:    sub r28, r28, r27
; CHECK-PWR9-BE-NEXT:    li r27, 14
; CHECK-PWR9-BE-NEXT:    vextublx r26, r27, v2
; CHECK-PWR9-BE-NEXT:    vextublx r27, r27, v3
; CHECK-PWR9-BE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR9-BE-NEXT:    sub r27, r26, r27
; CHECK-PWR9-BE-NEXT:    srawi r26, r27, 31
; CHECK-PWR9-BE-NEXT:    xor r27, r27, r26
; CHECK-PWR9-BE-NEXT:    sub r27, r27, r26
; CHECK-PWR9-BE-NEXT:    li r26, 15
; CHECK-PWR9-BE-NEXT:    vextublx r25, r26, v2
; CHECK-PWR9-BE-NEXT:    vextublx r26, r26, v3
; CHECK-PWR9-BE-NEXT:    mtfprwz f0, r27
; CHECK-PWR9-BE-NEXT:    addis r27, r2, .LCPI9_0@toc@ha
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r28
; CHECK-PWR9-BE-NEXT:    ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    addi r27, r27, .LCPI9_0@toc@l
; CHECK-PWR9-BE-NEXT:    clrlwi r25, r25, 24
; CHECK-PWR9-BE-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR9-BE-NEXT:    lxv vs1, 0(r27)
; CHECK-PWR9-BE-NEXT:    ld r27, -40(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    sub r26, r25, r26
; CHECK-PWR9-BE-NEXT:    srawi r25, r26, 31
; CHECK-PWR9-BE-NEXT:    xor r26, r26, r25
; CHECK-PWR9-BE-NEXT:    sub r26, r26, r25
; CHECK-PWR9-BE-NEXT:    ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    mtvsrwz v2, r26
; CHECK-PWR9-BE-NEXT:    ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    xxperm v2, vs0, vs1
; CHECK-PWR9-BE-NEXT:    mtfprwz f0, r29
; CHECK-PWR9-BE-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    xxperm v3, vs0, vs1
; CHECK-PWR9-BE-NEXT:    mtfprwz f0, r0
; CHECK-PWR9-BE-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r30
; CHECK-PWR9-BE-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-PWR9-BE-NEXT:    xxperm v3, vs0, vs1
; CHECK-PWR9-BE-NEXT:    mtfprwz f0, r11
; CHECK-PWR9-BE-NEXT:    xxperm v4, vs0, vs1
; CHECK-PWR9-BE-NEXT:    vmrghh v3, v4, v3
; CHECK-PWR9-BE-NEXT:    mtvsrwz v4, r4
; CHECK-PWR9-BE-NEXT:    xxmrghw vs0, v3, v2
; CHECK-PWR9-BE-NEXT:    mtvsrwz v2, r10
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r8
; CHECK-PWR9-BE-NEXT:    xxperm v2, vs2, vs1
; CHECK-PWR9-BE-NEXT:    mtfprwz f2, r7
; CHECK-PWR9-BE-NEXT:    xxperm v3, vs2, vs1
; CHECK-PWR9-BE-NEXT:    mtfprwz f2, r5
; CHECK-PWR9-BE-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR9-BE-NEXT:    mtvsrwz v3, r6
; CHECK-PWR9-BE-NEXT:    xxperm v3, vs2, vs1
; CHECK-PWR9-BE-NEXT:    mtfprwz f2, r3
; CHECK-PWR9-BE-NEXT:    xxperm v4, vs2, vs1
; CHECK-PWR9-BE-NEXT:    vmrghh v3, v4, v3
; CHECK-PWR9-BE-NEXT:    xxmrghw vs1, v3, v2
; CHECK-PWR9-BE-NEXT:    xxmrghd v2, vs1, vs0
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: sub_absv_8_ext:
; CHECK-PWR8:       # %bb.0: # %entry
; CHECK-PWR8-NEXT:    xxswapd vs0, v2
; CHECK-PWR8-NEXT:    xxswapd vs1, v3
; CHECK-PWR8-NEXT:    std r30, -16(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r28, -32(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r29, -24(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r26, -48(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    mffprd r11, f0
; CHECK-PWR8-NEXT:    mffprd r8, f1
; CHECK-PWR8-NEXT:    std r27, -40(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    std r25, -56(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    clrldi r3, r11, 56
; CHECK-PWR8-NEXT:    clrldi r4, r8, 56
; CHECK-PWR8-NEXT:    rldicl r5, r11, 56, 56
; CHECK-PWR8-NEXT:    rldicl r6, r8, 56, 56
; CHECK-PWR8-NEXT:    rldicl r7, r11, 48, 56
; CHECK-PWR8-NEXT:    rldicl r9, r8, 48, 56
; CHECK-PWR8-NEXT:    rldicl r0, r11, 32, 56
; CHECK-PWR8-NEXT:    rldicl r30, r8, 32, 56
; CHECK-PWR8-NEXT:    rldicl r29, r11, 24, 56
; CHECK-PWR8-NEXT:    rldicl r28, r8, 24, 56
; CHECK-PWR8-NEXT:    rldicl r10, r11, 40, 56
; CHECK-PWR8-NEXT:    rldicl r12, r8, 40, 56
; CHECK-PWR8-NEXT:    rldicl r27, r11, 16, 56
; CHECK-PWR8-NEXT:    rldicl r11, r11, 8, 56
; CHECK-PWR8-NEXT:    std r24, -64(r1) # 8-byte Folded Spill
; CHECK-PWR8-NEXT:    clrlwi r3, r3, 24
; CHECK-PWR8-NEXT:    clrlwi r4, r4, 24
; CHECK-PWR8-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR8-NEXT:    clrlwi r6, r6, 24
; CHECK-PWR8-NEXT:    clrlwi r7, r7, 24
; CHECK-PWR8-NEXT:    clrlwi r9, r9, 24
; CHECK-PWR8-NEXT:    sub r3, r3, r4
; CHECK-PWR8-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR8-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR8-NEXT:    sub r4, r5, r6
; CHECK-PWR8-NEXT:    sub r5, r7, r9
; CHECK-PWR8-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR8-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR8-NEXT:    sub r7, r0, r30
; CHECK-PWR8-NEXT:    sub r9, r29, r28
; CHECK-PWR8-NEXT:    clrlwi r10, r10, 24
; CHECK-PWR8-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR8-NEXT:    sub r6, r10, r12
; CHECK-PWR8-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR8-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR8-NEXT:    srawi r0, r5, 31
; CHECK-PWR8-NEXT:    srawi r29, r7, 31
; CHECK-PWR8-NEXT:    srawi r12, r4, 31
; CHECK-PWR8-NEXT:    srawi r28, r9, 31
; CHECK-PWR8-NEXT:    srawi r30, r6, 31
; CHECK-PWR8-NEXT:    srawi r10, r3, 31
; CHECK-PWR8-NEXT:    xor r5, r5, r0
; CHECK-PWR8-NEXT:    xor r26, r7, r29
; CHECK-PWR8-NEXT:    sub r7, r5, r0
; CHECK-PWR8-NEXT:    rldicl r5, r8, 16, 56
; CHECK-PWR8-NEXT:    rldicl r8, r8, 8, 56
; CHECK-PWR8-NEXT:    xor r4, r4, r12
; CHECK-PWR8-NEXT:    xor r25, r9, r28
; CHECK-PWR8-NEXT:    sub r9, r4, r12
; CHECK-PWR8-NEXT:    sub r4, r26, r29
; CHECK-PWR8-NEXT:    mtvsrd v1, r9
; CHECK-PWR8-NEXT:    clrlwi r5, r5, 24
; CHECK-PWR8-NEXT:    sub r5, r27, r5
; CHECK-PWR8-NEXT:    clrlwi r8, r8, 24
; CHECK-PWR8-NEXT:    sub r8, r11, r8
; CHECK-PWR8-NEXT:    xor r6, r6, r30
; CHECK-PWR8-NEXT:    sub r6, r6, r30
; CHECK-PWR8-NEXT:    xor r3, r3, r10
; CHECK-PWR8-NEXT:    sub r10, r3, r10
; CHECK-PWR8-NEXT:    sub r3, r25, r28
; CHECK-PWR8-NEXT:    mtvsrd v6, r6
; CHECK-PWR8-NEXT:    mtvsrd v7, r3
; CHECK-PWR8-NEXT:    srawi r12, r5, 31
; CHECK-PWR8-NEXT:    srawi r11, r8, 31
; CHECK-PWR8-NEXT:    xor r5, r5, r12
; CHECK-PWR8-NEXT:    xor r8, r8, r11
; CHECK-PWR8-NEXT:    sub r5, r5, r12
; CHECK-PWR8-NEXT:    sub r8, r8, r11
; CHECK-PWR8-NEXT:    mfvsrd r11, v2
; CHECK-PWR8-NEXT:    mfvsrd r12, v3
; CHECK-PWR8-NEXT:    mtvsrd v8, r8
; CHECK-PWR8-NEXT:    clrldi r0, r11, 56
; CHECK-PWR8-NEXT:    clrldi r30, r12, 56
; CHECK-PWR8-NEXT:    rldicl r29, r12, 56, 56
; CHECK-PWR8-NEXT:    rldicl r28, r12, 48, 56
; CHECK-PWR8-NEXT:    rldicl r27, r12, 40, 56
; CHECK-PWR8-NEXT:    rldicl r26, r12, 32, 56
; CHECK-PWR8-NEXT:    rldicl r25, r12, 24, 56
; CHECK-PWR8-NEXT:    rldicl r24, r12, 16, 56
; CHECK-PWR8-NEXT:    rldicl r12, r12, 8, 56
; CHECK-PWR8-NEXT:    clrlwi r0, r0, 24
; CHECK-PWR8-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR8-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR8-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR8-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR8-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR8-NEXT:    clrlwi r25, r25, 24
; CHECK-PWR8-NEXT:    clrlwi r24, r24, 24
; CHECK-PWR8-NEXT:    clrlwi r12, r12, 24
; CHECK-PWR8-NEXT:    sub r0, r0, r30
; CHECK-PWR8-NEXT:    srawi r30, r0, 31
; CHECK-PWR8-NEXT:    xor r0, r0, r30
; CHECK-PWR8-NEXT:    sub r0, r0, r30
; CHECK-PWR8-NEXT:    rldicl r30, r11, 56, 56
; CHECK-PWR8-NEXT:    clrlwi r30, r30, 24
; CHECK-PWR8-NEXT:    mtvsrd v2, r0
; CHECK-PWR8-NEXT:    sub r30, r30, r29
; CHECK-PWR8-NEXT:    srawi r29, r30, 31
; CHECK-PWR8-NEXT:    xor r30, r30, r29
; CHECK-PWR8-NEXT:    sub r30, r30, r29
; CHECK-PWR8-NEXT:    rldicl r29, r11, 48, 56
; CHECK-PWR8-NEXT:    clrlwi r29, r29, 24
; CHECK-PWR8-NEXT:    mtvsrd v3, r30
; CHECK-PWR8-NEXT:    ld r30, -16(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    sub r29, r29, r28
; CHECK-PWR8-NEXT:    srawi r28, r29, 31
; CHECK-PWR8-NEXT:    xor r29, r29, r28
; CHECK-PWR8-NEXT:    sub r29, r29, r28
; CHECK-PWR8-NEXT:    rldicl r28, r11, 40, 56
; CHECK-PWR8-NEXT:    clrlwi r28, r28, 24
; CHECK-PWR8-NEXT:    sub r28, r28, r27
; CHECK-PWR8-NEXT:    srawi r27, r28, 31
; CHECK-PWR8-NEXT:    xor r28, r28, r27
; CHECK-PWR8-NEXT:    sub r28, r28, r27
; CHECK-PWR8-NEXT:    rldicl r27, r11, 32, 56
; CHECK-PWR8-NEXT:    clrlwi r27, r27, 24
; CHECK-PWR8-NEXT:    mtvsrd v4, r28
; CHECK-PWR8-NEXT:    ld r28, -32(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    sub r27, r27, r26
; CHECK-PWR8-NEXT:    srawi r26, r27, 31
; CHECK-PWR8-NEXT:    xor r27, r27, r26
; CHECK-PWR8-NEXT:    sub r27, r27, r26
; CHECK-PWR8-NEXT:    rldicl r26, r11, 24, 56
; CHECK-PWR8-NEXT:    clrlwi r26, r26, 24
; CHECK-PWR8-NEXT:    sub r26, r26, r25
; CHECK-PWR8-NEXT:    srawi r25, r26, 31
; CHECK-PWR8-NEXT:    xor r26, r26, r25
; CHECK-PWR8-NEXT:    sub r26, r26, r25
; CHECK-PWR8-NEXT:    rldicl r25, r11, 16, 56
; CHECK-PWR8-NEXT:    rldicl r11, r11, 8, 56
; CHECK-PWR8-NEXT:    clrlwi r25, r25, 24
; CHECK-PWR8-NEXT:    clrlwi r11, r11, 24
; CHECK-PWR8-NEXT:    mtvsrd v5, r26
; CHECK-PWR8-NEXT:    ld r26, -48(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    sub r25, r25, r24
; CHECK-PWR8-NEXT:    sub r11, r11, r12
; CHECK-PWR8-NEXT:    srawi r24, r25, 31
; CHECK-PWR8-NEXT:    srawi r12, r11, 31
; CHECK-PWR8-NEXT:    xor r25, r25, r24
; CHECK-PWR8-NEXT:    xor r11, r11, r12
; CHECK-PWR8-NEXT:    sub r25, r25, r24
; CHECK-PWR8-NEXT:    sub r11, r11, r12
; CHECK-PWR8-NEXT:    ld r24, -64(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    mtvsrd v0, r11
; CHECK-PWR8-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR8-NEXT:    mtvsrd v3, r29
; CHECK-PWR8-NEXT:    ld r29, -24(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR8-NEXT:    mtvsrd v4, r27
; CHECK-PWR8-NEXT:    ld r27, -40(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    vmrglh v2, v3, v2
; CHECK-PWR8-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR8-NEXT:    mtvsrd v5, r25
; CHECK-PWR8-NEXT:    ld r25, -56(r1) # 8-byte Folded Reload
; CHECK-PWR8-NEXT:    vmrghb v5, v0, v5
; CHECK-PWR8-NEXT:    mtvsrd v0, r10
; CHECK-PWR8-NEXT:    vmrglh v3, v5, v4
; CHECK-PWR8-NEXT:    xxmrglw vs0, v3, v2
; CHECK-PWR8-NEXT:    vmrghb v0, v1, v0
; CHECK-PWR8-NEXT:    mtvsrd v1, r7
; CHECK-PWR8-NEXT:    vmrghb v1, v6, v1
; CHECK-PWR8-NEXT:    mtvsrd v6, r4
; CHECK-PWR8-NEXT:    vmrglh v4, v1, v0
; CHECK-PWR8-NEXT:    vmrghb v6, v7, v6
; CHECK-PWR8-NEXT:    mtvsrd v7, r5
; CHECK-PWR8-NEXT:    vmrghb v7, v8, v7
; CHECK-PWR8-NEXT:    vmrglh v5, v7, v6
; CHECK-PWR8-NEXT:    xxmrglw vs1, v5, v4
; CHECK-PWR8-NEXT:    xxmrgld v2, vs0, vs1
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sub_absv_8_ext:
; CHECK-PWR7:       # %bb.0: # %entry
; CHECK-PWR7-NEXT:    stdu r1, -512(r1)
; CHECK-PWR7-NEXT:    .cfi_def_cfa_offset 512
; CHECK-PWR7-NEXT:    .cfi_offset r14, -144
; CHECK-PWR7-NEXT:    .cfi_offset r15, -136
; CHECK-PWR7-NEXT:    .cfi_offset r16, -128
; CHECK-PWR7-NEXT:    .cfi_offset r17, -120
; CHECK-PWR7-NEXT:    .cfi_offset r18, -112
; CHECK-PWR7-NEXT:    .cfi_offset r19, -104
; CHECK-PWR7-NEXT:    .cfi_offset r20, -96
; CHECK-PWR7-NEXT:    .cfi_offset r21, -88
; CHECK-PWR7-NEXT:    .cfi_offset r22, -80
; CHECK-PWR7-NEXT:    .cfi_offset r23, -72
; CHECK-PWR7-NEXT:    .cfi_offset r24, -64
; CHECK-PWR7-NEXT:    .cfi_offset r25, -56
; CHECK-PWR7-NEXT:    .cfi_offset r26, -48
; CHECK-PWR7-NEXT:    .cfi_offset r27, -40
; CHECK-PWR7-NEXT:    .cfi_offset r28, -32
; CHECK-PWR7-NEXT:    .cfi_offset r29, -24
; CHECK-PWR7-NEXT:    .cfi_offset r30, -16
; CHECK-PWR7-NEXT:    .cfi_offset r31, -8
; CHECK-PWR7-NEXT:    .cfi_offset r2, -152
; CHECK-PWR7-NEXT:    addi r3, r1, 320
; CHECK-PWR7-NEXT:    std r14, 368(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r15, 376(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r16, 384(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r17, 392(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r18, 400(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r19, 408(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r20, 416(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r21, 424(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r22, 432(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r23, 440(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r24, 448(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r25, 456(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r26, 464(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r27, 472(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r28, 480(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r29, 488(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r30, 496(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r31, 504(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    std r2, 360(r1) # 8-byte Folded Spill
; CHECK-PWR7-NEXT:    stxvw4x v2, 0, r3
; CHECK-PWR7-NEXT:    lbz r3, 320(r1)
; CHECK-PWR7-NEXT:    addi r4, r1, 336
; CHECK-PWR7-NEXT:    stw r3, 60(r1) # 4-byte Folded Spill
; CHECK-PWR7-NEXT:    stxvw4x v3, 0, r4
; CHECK-PWR7-NEXT:    lbz r15, 334(r1)
; CHECK-PWR7-NEXT:    lbz r14, 350(r1)
; CHECK-PWR7-NEXT:    lbz r31, 335(r1)
; CHECK-PWR7-NEXT:    lbz r2, 351(r1)
; CHECK-PWR7-NEXT:    sub r15, r15, r14
; CHECK-PWR7-NEXT:    sub r14, r31, r2
; CHECK-PWR7-NEXT:    srawi r2, r14, 31
; CHECK-PWR7-NEXT:    xor r14, r14, r2
; CHECK-PWR7-NEXT:    lbz r3, 333(r1)
; CHECK-PWR7-NEXT:    lbz r19, 331(r1)
; CHECK-PWR7-NEXT:    lbz r18, 347(r1)
; CHECK-PWR7-NEXT:    sub r19, r19, r18
; CHECK-PWR7-NEXT:    lbz r17, 332(r1)
; CHECK-PWR7-NEXT:    lbz r16, 348(r1)
; CHECK-PWR7-NEXT:    sub r17, r17, r16
; CHECK-PWR7-NEXT:    lbz r23, 329(r1)
; CHECK-PWR7-NEXT:    sub r14, r14, r2
; CHECK-PWR7-NEXT:    lbz r2, 349(r1)
; CHECK-PWR7-NEXT:    lbz r22, 345(r1)
; CHECK-PWR7-NEXT:    lbz r4, 336(r1)
; CHECK-PWR7-NEXT:    lbz r5, 321(r1)
; CHECK-PWR7-NEXT:    lbz r6, 337(r1)
; CHECK-PWR7-NEXT:    lbz r7, 322(r1)
; CHECK-PWR7-NEXT:    lbz r8, 338(r1)
; CHECK-PWR7-NEXT:    lbz r9, 323(r1)
; CHECK-PWR7-NEXT:    lbz r10, 339(r1)
; CHECK-PWR7-NEXT:    lbz r11, 324(r1)
; CHECK-PWR7-NEXT:    lbz r12, 340(r1)
; CHECK-PWR7-NEXT:    lbz r0, 325(r1)
; CHECK-PWR7-NEXT:    lbz r30, 341(r1)
; CHECK-PWR7-NEXT:    lbz r29, 326(r1)
; CHECK-PWR7-NEXT:    lbz r28, 342(r1)
; CHECK-PWR7-NEXT:    lbz r27, 327(r1)
; CHECK-PWR7-NEXT:    lbz r26, 343(r1)
; CHECK-PWR7-NEXT:    sub r3, r3, r2
; CHECK-PWR7-NEXT:    lbz r25, 328(r1)
; CHECK-PWR7-NEXT:    lbz r24, 344(r1)
; CHECK-PWR7-NEXT:    lbz r21, 330(r1)
; CHECK-PWR7-NEXT:    lbz r20, 346(r1)
; CHECK-PWR7-NEXT:    sub r5, r5, r6
; CHECK-PWR7-NEXT:    srawi r18, r3, 31
; CHECK-PWR7-NEXT:    sub r7, r7, r8
; CHECK-PWR7-NEXT:    sub r9, r9, r10
; CHECK-PWR7-NEXT:    sub r11, r11, r12
; CHECK-PWR7-NEXT:    sub r0, r0, r30
; CHECK-PWR7-NEXT:    sub r29, r29, r28
; CHECK-PWR7-NEXT:    sub r27, r27, r26
; CHECK-PWR7-NEXT:    sub r25, r25, r24
; CHECK-PWR7-NEXT:    srawi r31, r15, 31
; CHECK-PWR7-NEXT:    ld r2, 360(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    xor r3, r3, r18
; CHECK-PWR7-NEXT:    srawi r6, r5, 31
; CHECK-PWR7-NEXT:    srawi r8, r7, 31
; CHECK-PWR7-NEXT:    srawi r10, r9, 31
; CHECK-PWR7-NEXT:    srawi r12, r11, 31
; CHECK-PWR7-NEXT:    srawi r30, r0, 31
; CHECK-PWR7-NEXT:    sub r3, r3, r18
; CHECK-PWR7-NEXT:    srawi r18, r19, 31
; CHECK-PWR7-NEXT:    srawi r28, r29, 31
; CHECK-PWR7-NEXT:    ld r16, 384(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    sldi r3, r3, 56
; CHECK-PWR7-NEXT:    srawi r26, r27, 31
; CHECK-PWR7-NEXT:    srawi r24, r25, 31
; CHECK-PWR7-NEXT:    xor r19, r19, r18
; CHECK-PWR7-NEXT:    xor r15, r15, r31
; CHECK-PWR7-NEXT:    xor r5, r5, r6
; CHECK-PWR7-NEXT:    std r3, 272(r1)
; CHECK-PWR7-NEXT:    std r3, 280(r1)
; CHECK-PWR7-NEXT:    srawi r3, r17, 31
; CHECK-PWR7-NEXT:    sub r19, r19, r18
; CHECK-PWR7-NEXT:    xor r7, r7, r8
; CHECK-PWR7-NEXT:    sub r15, r15, r31
; CHECK-PWR7-NEXT:    xor r17, r17, r3
; CHECK-PWR7-NEXT:    xor r9, r9, r10
; CHECK-PWR7-NEXT:    xor r11, r11, r12
; CHECK-PWR7-NEXT:    xor r0, r0, r30
; CHECK-PWR7-NEXT:    xor r29, r29, r28
; CHECK-PWR7-NEXT:    xor r27, r27, r26
; CHECK-PWR7-NEXT:    sub r3, r17, r3
; CHECK-PWR7-NEXT:    xor r25, r25, r24
; CHECK-PWR7-NEXT:    sub r25, r25, r24
; CHECK-PWR7-NEXT:    sub r27, r27, r26
; CHECK-PWR7-NEXT:    sub r29, r29, r28
; CHECK-PWR7-NEXT:    sldi r3, r3, 56
; CHECK-PWR7-NEXT:    sub r0, r0, r30
; CHECK-PWR7-NEXT:    sub r11, r11, r12
; CHECK-PWR7-NEXT:    sub r9, r9, r10
; CHECK-PWR7-NEXT:    sub r7, r7, r8
; CHECK-PWR7-NEXT:    sub r5, r5, r6
; CHECK-PWR7-NEXT:    sldi r14, r14, 56
; CHECK-PWR7-NEXT:    sldi r15, r15, 56
; CHECK-PWR7-NEXT:    ld r31, 504(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r3, 256(r1)
; CHECK-PWR7-NEXT:    std r3, 264(r1)
; CHECK-PWR7-NEXT:    sldi r3, r19, 56
; CHECK-PWR7-NEXT:    sldi r25, r25, 56
; CHECK-PWR7-NEXT:    sldi r27, r27, 56
; CHECK-PWR7-NEXT:    std r3, 240(r1)
; CHECK-PWR7-NEXT:    std r3, 248(r1)
; CHECK-PWR7-NEXT:    sub r3, r23, r22
; CHECK-PWR7-NEXT:    srawi r23, r3, 31
; CHECK-PWR7-NEXT:    sub r22, r21, r20
; CHECK-PWR7-NEXT:    srawi r21, r22, 31
; CHECK-PWR7-NEXT:    sldi r29, r29, 56
; CHECK-PWR7-NEXT:    sldi r0, r0, 56
; CHECK-PWR7-NEXT:    sldi r11, r11, 56
; CHECK-PWR7-NEXT:    xor r3, r3, r23
; CHECK-PWR7-NEXT:    xor r22, r22, r21
; CHECK-PWR7-NEXT:    sldi r9, r9, 56
; CHECK-PWR7-NEXT:    sldi r7, r7, 56
; CHECK-PWR7-NEXT:    sldi r5, r5, 56
; CHECK-PWR7-NEXT:    ld r30, 496(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r28, 480(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    sub r3, r3, r23
; CHECK-PWR7-NEXT:    sub r22, r22, r21
; CHECK-PWR7-NEXT:    std r14, 304(r1)
; CHECK-PWR7-NEXT:    ld r26, 464(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    sldi r3, r3, 56
; CHECK-PWR7-NEXT:    sldi r22, r22, 56
; CHECK-PWR7-NEXT:    ld r24, 448(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r23, 440(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r14, 312(r1)
; CHECK-PWR7-NEXT:    std r15, 288(r1)
; CHECK-PWR7-NEXT:    std r3, 208(r1)
; CHECK-PWR7-NEXT:    std r3, 216(r1)
; CHECK-PWR7-NEXT:    lwz r3, 60(r1) # 4-byte Folded Reload
; CHECK-PWR7-NEXT:    std r15, 296(r1)
; CHECK-PWR7-NEXT:    ld r21, 424(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r20, 416(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r22, 224(r1)
; CHECK-PWR7-NEXT:    std r22, 232(r1)
; CHECK-PWR7-NEXT:    sub r4, r3, r4
; CHECK-PWR7-NEXT:    std r25, 192(r1)
; CHECK-PWR7-NEXT:    ld r22, 432(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r19, 408(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    srawi r3, r4, 31
; CHECK-PWR7-NEXT:    std r25, 200(r1)
; CHECK-PWR7-NEXT:    ld r25, 456(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r27, 176(r1)
; CHECK-PWR7-NEXT:    std r27, 184(r1)
; CHECK-PWR7-NEXT:    xor r4, r4, r3
; CHECK-PWR7-NEXT:    std r29, 160(r1)
; CHECK-PWR7-NEXT:    ld r27, 472(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r29, 168(r1)
; CHECK-PWR7-NEXT:    std r0, 144(r1)
; CHECK-PWR7-NEXT:    sub r3, r4, r3
; CHECK-PWR7-NEXT:    std r0, 152(r1)
; CHECK-PWR7-NEXT:    ld r29, 488(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    ld r18, 400(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    sldi r3, r3, 56
; CHECK-PWR7-NEXT:    std r11, 128(r1)
; CHECK-PWR7-NEXT:    ld r17, 392(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r11, 136(r1)
; CHECK-PWR7-NEXT:    std r9, 112(r1)
; CHECK-PWR7-NEXT:    std r3, 64(r1)
; CHECK-PWR7-NEXT:    std r3, 72(r1)
; CHECK-PWR7-NEXT:    addi r3, r1, 304
; CHECK-PWR7-NEXT:    std r9, 120(r1)
; CHECK-PWR7-NEXT:    ld r15, 376(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    std r7, 96(r1)
; CHECK-PWR7-NEXT:    std r7, 104(r1)
; CHECK-PWR7-NEXT:    std r5, 80(r1)
; CHECK-PWR7-NEXT:    std r5, 88(r1)
; CHECK-PWR7-NEXT:    lxvw4x v2, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 288
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 272
; CHECK-PWR7-NEXT:    ld r14, 368(r1) # 8-byte Folded Reload
; CHECK-PWR7-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 256
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 240
; CHECK-PWR7-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR7-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 224
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 208
; CHECK-PWR7-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 192
; CHECK-PWR7-NEXT:    lxvw4x v5, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 176
; CHECK-PWR7-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR7-NEXT:    vmrghh v3, v4, v3
; CHECK-PWR7-NEXT:    xxmrghw vs0, v3, v2
; CHECK-PWR7-NEXT:    lxvw4x v2, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 160
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 144
; CHECK-PWR7-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 128
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR7-NEXT:    addi r3, r1, 112
; CHECK-PWR7-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR7-NEXT:    lxvw4x v3, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 96
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 80
; CHECK-PWR7-NEXT:    vmrghb v3, v4, v3
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, 64
; CHECK-PWR7-NEXT:    lxvw4x v5, 0, r3
; CHECK-PWR7-NEXT:    vmrghb v4, v5, v4
; CHECK-PWR7-NEXT:    vmrghh v3, v4, v3
; CHECK-PWR7-NEXT:    xxmrghw vs1, v3, v2
; CHECK-PWR7-NEXT:    xxmrghd v2, vs1, vs0
; CHECK-PWR7-NEXT:    addi r1, r1, 512
; CHECK-PWR7-NEXT:    blr
entry:
  %vecext = extractelement <16 x i8> %a, i32 0
  %conv = zext i8 %vecext to i32
  %vecext1 = extractelement <16 x i8> %b, i32 0
  %conv2 = zext i8 %vecext1 to i32
  %sub = sub nsw i32 %conv, %conv2
  %ispos = icmp sgt i32 %sub, -1
  %neg = sub nsw i32 0, %sub
  %0 = select i1 %ispos, i32 %sub, i32 %neg
  %conv3 = trunc i32 %0 to i8
  %vecins = insertelement <16 x i8> <i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 undef, i8 0, i8 0, i8 0, i8 0, i8 0, i8 0>, i8 %conv3, i32 0
  %vecext4 = extractelement <16 x i8> %a, i32 1
  %conv5 = zext i8 %vecext4 to i32
  %vecext6 = extractelement <16 x i8> %b, i32 1
  %conv7 = zext i8 %vecext6 to i32
  %sub8 = sub nsw i32 %conv5, %conv7
  %ispos171 = icmp sgt i32 %sub8, -1
  %neg172 = sub nsw i32 0, %sub8
  %1 = select i1 %ispos171, i32 %sub8, i32 %neg172
  %conv10 = trunc i32 %1 to i8
  %vecins11 = insertelement <16 x i8> %vecins, i8 %conv10, i32 1
  %vecext12 = extractelement <16 x i8> %a, i32 2
  %conv13 = zext i8 %vecext12 to i32
  %vecext14 = extractelement <16 x i8> %b, i32 2
  %conv15 = zext i8 %vecext14 to i32
  %sub16 = sub nsw i32 %conv13, %conv15
  %ispos173 = icmp sgt i32 %sub16, -1
  %neg174 = sub nsw i32 0, %sub16
  %2 = select i1 %ispos173, i32 %sub16, i32 %neg174
  %conv18 = trunc i32 %2 to i8
  %vecins19 = insertelement <16 x i8> %vecins11, i8 %conv18, i32 2
  %vecext20 = extractelement <16 x i8> %a, i32 3
  %conv21 = zext i8 %vecext20 to i32
  %vecext22 = extractelement <16 x i8> %b, i32 3
  %conv23 = zext i8 %vecext22 to i32
  %sub24 = sub nsw i32 %conv21, %conv23
  %ispos175 = icmp sgt i32 %sub24, -1
  %neg176 = sub nsw i32 0, %sub24
  %3 = select i1 %ispos175, i32 %sub24, i32 %neg176
  %conv26 = trunc i32 %3 to i8
  %vecins27 = insertelement <16 x i8> %vecins19, i8 %conv26, i32 3
  %vecext28 = extractelement <16 x i8> %a, i32 4
  %conv29 = zext i8 %vecext28 to i32
  %vecext30 = extractelement <16 x i8> %b, i32 4
  %conv31 = zext i8 %vecext30 to i32
  %sub32 = sub nsw i32 %conv29, %conv31
  %ispos177 = icmp sgt i32 %sub32, -1
  %neg178 = sub nsw i32 0, %sub32
  %4 = select i1 %ispos177, i32 %sub32, i32 %neg178
  %conv34 = trunc i32 %4 to i8
  %vecins35 = insertelement <16 x i8> %vecins27, i8 %conv34, i32 4
  %vecext36 = extractelement <16 x i8> %a, i32 5
  %conv37 = zext i8 %vecext36 to i32
  %vecext38 = extractelement <16 x i8> %b, i32 5
  %conv39 = zext i8 %vecext38 to i32
  %sub40 = sub nsw i32 %conv37, %conv39
  %ispos179 = icmp sgt i32 %sub40, -1
  %neg180 = sub nsw i32 0, %sub40
  %5 = select i1 %ispos179, i32 %sub40, i32 %neg180
  %conv42 = trunc i32 %5 to i8
  %vecins43 = insertelement <16 x i8> %vecins35, i8 %conv42, i32 5
  %vecext44 = extractelement <16 x i8> %a, i32 6
  %conv45 = zext i8 %vecext44 to i32
  %vecext46 = extractelement <16 x i8> %b, i32 6
  %conv47 = zext i8 %vecext46 to i32
  %sub48 = sub nsw i32 %conv45, %conv47
  %ispos181 = icmp sgt i32 %sub48, -1
  %neg182 = sub nsw i32 0, %sub48
  %6 = select i1 %ispos181, i32 %sub48, i32 %neg182
  %conv50 = trunc i32 %6 to i8
  %vecins51 = insertelement <16 x i8> %vecins43, i8 %conv50, i32 6
  %vecext52 = extractelement <16 x i8> %a, i32 7
  %conv53 = zext i8 %vecext52 to i32
  %vecext54 = extractelement <16 x i8> %b, i32 7
  %conv55 = zext i8 %vecext54 to i32
  %sub56 = sub nsw i32 %conv53, %conv55
  %ispos183 = icmp sgt i32 %sub56, -1
  %neg184 = sub nsw i32 0, %sub56
  %7 = select i1 %ispos183, i32 %sub56, i32 %neg184
  %conv58 = trunc i32 %7 to i8
  %vecins59 = insertelement <16 x i8> %vecins51, i8 %conv58, i32 7
  %vecext60 = extractelement <16 x i8> %a, i32 8
  %conv61 = zext i8 %vecext60 to i32
  %vecext62 = extractelement <16 x i8> %b, i32 8
  %conv63 = zext i8 %vecext62 to i32
  %sub64 = sub nsw i32 %conv61, %conv63
  %ispos185 = icmp sgt i32 %sub64, -1
  %neg186 = sub nsw i32 0, %sub64
  %8 = select i1 %ispos185, i32 %sub64, i32 %neg186
  %conv66 = trunc i32 %8 to i8
  %vecins67 = insertelement <16 x i8> %vecins59, i8 %conv66, i32 8
  %vecext68 = extractelement <16 x i8> %a, i32 9
  %conv69 = zext i8 %vecext68 to i32
  %vecext70 = extractelement <16 x i8> %b, i32 9
  %conv71 = zext i8 %vecext70 to i32
  %sub72 = sub nsw i32 %conv69, %conv71
  %ispos187 = icmp sgt i32 %sub72, -1
  %neg188 = sub nsw i32 0, %sub72
  %9 = select i1 %ispos187, i32 %sub72, i32 %neg188
  %conv74 = trunc i32 %9 to i8
  %vecins75 = insertelement <16 x i8> %vecins67, i8 %conv74, i32 9
  %vecext76 = extractelement <16 x i8> %a, i32 10
  %conv77 = zext i8 %vecext76 to i32
  %vecext78 = extractelement <16 x i8> %b, i32 10
  %conv79 = zext i8 %vecext78 to i32
  %sub80 = sub nsw i32 %conv77, %conv79
  %ispos189 = icmp sgt i32 %sub80, -1
  %neg190 = sub nsw i32 0, %sub80
  %10 = select i1 %ispos189, i32 %sub80, i32 %neg190
  %conv82 = trunc i32 %10 to i8
  %vecins83 = insertelement <16 x i8> %vecins75, i8 %conv82, i32 10
  %vecext84 = extractelement <16 x i8> %a, i32 11
  %conv85 = zext i8 %vecext84 to i32
  %vecext86 = extractelement <16 x i8> %b, i32 11
  %conv87 = zext i8 %vecext86 to i32
  %sub88 = sub nsw i32 %conv85, %conv87
  %ispos191 = icmp sgt i32 %sub88, -1
  %neg192 = sub nsw i32 0, %sub88
  %11 = select i1 %ispos191, i32 %sub88, i32 %neg192
  %conv90 = trunc i32 %11 to i8
  %vecins91 = insertelement <16 x i8> %vecins83, i8 %conv90, i32 11
  %vecext92 = extractelement <16 x i8> %a, i32 12
  %conv93 = zext i8 %vecext92 to i32
  %vecext94 = extractelement <16 x i8> %b, i32 12
  %conv95 = zext i8 %vecext94 to i32
  %sub96 = sub nsw i32 %conv93, %conv95
  %ispos193 = icmp sgt i32 %sub96, -1
  %neg194 = sub nsw i32 0, %sub96
  %12 = select i1 %ispos193, i32 %sub96, i32 %neg194
  %conv98 = trunc i32 %12 to i8
  %vecins99 = insertelement <16 x i8> %vecins91, i8 %conv98, i32 12
  %vecext100 = extractelement <16 x i8> %a, i32 13
  %conv101 = zext i8 %vecext100 to i32
  %vecext102 = extractelement <16 x i8> %b, i32 13
  %conv103 = zext i8 %vecext102 to i32
  %sub104 = sub nsw i32 %conv101, %conv103
  %ispos195 = icmp sgt i32 %sub104, -1
  %neg196 = sub nsw i32 0, %sub104
  %13 = select i1 %ispos195, i32 %sub104, i32 %neg196
  %conv106 = trunc i32 %13 to i8
  %vecins107 = insertelement <16 x i8> %vecins99, i8 %conv106, i32 13
  %vecext108 = extractelement <16 x i8> %a, i32 14
  %conv109 = zext i8 %vecext108 to i32
  %vecext110 = extractelement <16 x i8> %b, i32 14
  %conv111 = zext i8 %vecext110 to i32
  %sub112 = sub nsw i32 %conv109, %conv111
  %ispos197 = icmp sgt i32 %sub112, -1
  %neg198 = sub nsw i32 0, %sub112
  %14 = select i1 %ispos197, i32 %sub112, i32 %neg198
  %conv114 = trunc i32 %14 to i8
  %vecins115 = insertelement <16 x i8> %vecins107, i8 %conv114, i32 14
  %vecext116 = extractelement <16 x i8> %a, i32 15
  %conv117 = zext i8 %vecext116 to i32
  %vecext118 = extractelement <16 x i8> %b, i32 15
  %conv119 = zext i8 %vecext118 to i32
  %sub120 = sub nsw i32 %conv117, %conv119
  %ispos199 = icmp sgt i32 %sub120, -1
  %neg200 = sub nsw i32 0, %sub120
  %15 = select i1 %ispos199, i32 %sub120, i32 %neg200
  %conv122 = trunc i32 %15 to i8
  %vecins123 = insertelement <16 x i8> %vecins115, i8 %conv122, i32 15
  ret <16 x i8> %vecins123
}

define <4 x i32> @sub_absv_vec_32(<4 x i32> %a, <4 x i32> %b) local_unnamed_addr {
; CHECK-PWR9-LABEL: sub_absv_vec_32:
; CHECK-PWR9:       # %bb.0: # %entry
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sub_absv_vec_32:
; CHECK-PWR78:       # %bb.0: # %entry
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    blr
entry:
  %sub = sub nsw <4 x i32> %a, %b
  %sub.i = sub <4 x i32> zeroinitializer, %sub
  %0 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %sub, <4 x i32> %sub.i)
  ret <4 x i32> %0
}

define <8 x i16> @sub_absv_vec_16(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
; CHECK-LABEL: sub_absv_vec_16:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    vsubuhm v2, v2, v3
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsubuhm v3, v3, v2
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %sub = sub nsw <8 x i16> %a, %b
  %sub.i = sub <8 x i16> zeroinitializer, %sub
  %0 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %sub, <8 x i16> %sub.i)
  ret <8 x i16> %0
}

define <16 x i8> @sub_absv_vec_8(<16 x i8> %a, <16 x i8> %b) local_unnamed_addr {
; CHECK-LABEL: sub_absv_vec_8:
; CHECK:       # %bb.0: # %entry
; CHECK-NEXT:    vsububm v2, v2, v3
; CHECK-NEXT:    xxlxor v3, v3, v3
; CHECK-NEXT:    vsububm v3, v3, v2
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    blr
entry:
  %sub = sub nsw <16 x i8> %a, %b
  %sub.i = sub <16 x i8> zeroinitializer, %sub
  %0 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %sub, <16 x i8> %sub.i)
  ret <16 x i8> %0
}

define <4 x i32> @zext_sub_absd32(<4 x i16>, <4 x i16>) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: zext_sub_absd32:
; CHECK-PWR9-LE:       # %bb.0:
; CHECK-PWR9-LE-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-LE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-LE-NEXT:    vmrglh v2, v3, v2
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: zext_sub_absd32:
; CHECK-PWR9-BE:       # %bb.0:
; CHECK-PWR9-BE-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-BE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-BE-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: zext_sub_absd32:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR8-NEXT:    vmrglh v2, v4, v2
; CHECK-PWR8-NEXT:    vmrglh v3, v4, v3
; CHECK-PWR8-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR8-NEXT:    vsubuwm v3, v4, v2
; CHECK-PWR8-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: zext_sub_absd32:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    addis r3, r2, .LCPI13_0@toc@ha
; CHECK-PWR7-NEXT:    xxlxor v5, v5, v5
; CHECK-PWR7-NEXT:    addi r3, r3, .LCPI13_0@toc@l
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    vperm v2, v5, v2, v4
; CHECK-PWR7-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR7-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR7-NEXT:    vsubuwm v3, v5, v2
; CHECK-PWR7-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR7-NEXT:    blr
    %3 = zext <4 x i16> %0 to <4 x i32>
    %4 = zext <4 x i16> %1 to <4 x i32>
    %5 = sub <4 x i32> %3, %4
    %6 = sub <4 x i32> zeroinitializer, %5
    %7 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %5, <4 x i32> %6)
    ret <4 x i32> %7
}

define <8 x i16> @zext_sub_absd16(<8 x i8>, <8 x i8>) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: zext_sub_absd16:
; CHECK-PWR9-LE:       # %bb.0:
; CHECK-PWR9-LE-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-LE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-LE-NEXT:    vmrglb v2, v3, v2
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: zext_sub_absd16:
; CHECK-PWR9-BE:       # %bb.0:
; CHECK-PWR9-BE-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-BE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-BE-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: zext_sub_absd16:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
; CHECK-PWR8-NEXT:    vmrglb v2, v4, v2
; CHECK-PWR8-NEXT:    vmrglb v3, v4, v3
; CHECK-PWR8-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR8-NEXT:    vsubuhm v3, v4, v2
; CHECK-PWR8-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: zext_sub_absd16:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    addis r3, r2, .LCPI14_0@toc@ha
; CHECK-PWR7-NEXT:    xxlxor v5, v5, v5
; CHECK-PWR7-NEXT:    addi r3, r3, .LCPI14_0@toc@l
; CHECK-PWR7-NEXT:    lxvw4x v4, 0, r3
; CHECK-PWR7-NEXT:    vperm v2, v5, v2, v4
; CHECK-PWR7-NEXT:    vperm v3, v5, v3, v4
; CHECK-PWR7-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR7-NEXT:    vsubuhm v3, v5, v2
; CHECK-PWR7-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR7-NEXT:    blr
    %3 = zext <8 x i8> %0 to <8 x i16>
    %4 = zext <8 x i8> %1 to <8 x i16>
    %5 = sub <8 x i16> %3, %4
    %6 = sub <8 x i16> zeroinitializer, %5
    %7 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %5, <8 x i16> %6)
    ret <8 x i16> %7
}

define <16 x i8> @zext_sub_absd8(<16 x i4>, <16 x i4>) local_unnamed_addr {
; CHECK-PWR9-LABEL: zext_sub_absd8:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xxspltib vs0, 15
; CHECK-PWR9-NEXT:    xxland v3, v3, vs0
; CHECK-PWR9-NEXT:    xxland v2, v2, vs0
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: zext_sub_absd8:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vspltisb v4, 15
; CHECK-PWR78-NEXT:    xxland v2, v2, v4
; CHECK-PWR78-NEXT:    xxland v3, v3, v4
; CHECK-PWR78-NEXT:    vsububm v2, v2, v3
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsububm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR78-NEXT:    blr
    %3 = zext <16 x i4> %0 to <16 x i8>
    %4 = zext <16 x i4> %1 to <16 x i8>
    %5 = sub <16 x i8> %3, %4
    %6 = sub <16 x i8> zeroinitializer, %5
    %7 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %5, <16 x i8> %6)
    ret <16 x i8> %7
}

define <4 x i32> @sext_sub_absd32(<4 x i16>, <4 x i16>) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: sext_sub_absd32:
; CHECK-PWR9-LE:       # %bb.0:
; CHECK-PWR9-LE-NEXT:    vminsh v4, v2, v3
; CHECK-PWR9-LE-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR9-LE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-LE-NEXT:    vsubuhm v2, v2, v4
; CHECK-PWR9-LE-NEXT:    vmrglh v2, v3, v2
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: sext_sub_absd32:
; CHECK-PWR9-BE:       # %bb.0:
; CHECK-PWR9-BE-NEXT:    vminsh v4, v2, v3
; CHECK-PWR9-BE-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR9-BE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-BE-NEXT:    vsubuhm v2, v2, v4
; CHECK-PWR9-BE-NEXT:    vmrghh v2, v3, v2
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: sext_sub_absd32:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    vspltisw v4, 8
; CHECK-PWR8-NEXT:    vmrglh v2, v2, v2
; CHECK-PWR8-NEXT:    vadduwm v4, v4, v4
; CHECK-PWR8-NEXT:    vmrglh v3, v3, v3
; CHECK-PWR8-NEXT:    vslw v2, v2, v4
; CHECK-PWR8-NEXT:    vslw v3, v3, v4
; CHECK-PWR8-NEXT:    vsraw v2, v2, v4
; CHECK-PWR8-NEXT:    vsraw v3, v3, v4
; CHECK-PWR8-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR8-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR8-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR8-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sext_sub_absd32:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    vspltisw v4, 8
; CHECK-PWR7-NEXT:    vmrghh v2, v2, v2
; CHECK-PWR7-NEXT:    vmrghh v3, v3, v3
; CHECK-PWR7-NEXT:    vadduwm v4, v4, v4
; CHECK-PWR7-NEXT:    vslw v2, v2, v4
; CHECK-PWR7-NEXT:    vslw v3, v3, v4
; CHECK-PWR7-NEXT:    vsraw v2, v2, v4
; CHECK-PWR7-NEXT:    vsraw v3, v3, v4
; CHECK-PWR7-NEXT:    vsubuwm v2, v2, v3
; CHECK-PWR7-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR7-NEXT:    vsubuwm v3, v3, v2
; CHECK-PWR7-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR7-NEXT:    blr
    %3 = sext <4 x i16> %0 to <4 x i32>
    %4 = sext <4 x i16> %1 to <4 x i32>
    %5 = sub <4 x i32> %3, %4
    %6 = sub <4 x i32> zeroinitializer, %5
    %7 = tail call <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32> %5, <4 x i32> %6)
    ret <4 x i32> %7
}

define <8 x i16> @sext_sub_absd16(<8 x i8>, <8 x i8>) local_unnamed_addr {
; CHECK-PWR9-LE-LABEL: sext_sub_absd16:
; CHECK-PWR9-LE:       # %bb.0:
; CHECK-PWR9-LE-NEXT:    vminsb v4, v2, v3
; CHECK-PWR9-LE-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR9-LE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-LE-NEXT:    vsububm v2, v2, v4
; CHECK-PWR9-LE-NEXT:    vmrglb v2, v3, v2
; CHECK-PWR9-LE-NEXT:    blr
;
; CHECK-PWR9-BE-LABEL: sext_sub_absd16:
; CHECK-PWR9-BE:       # %bb.0:
; CHECK-PWR9-BE-NEXT:    vminsb v4, v2, v3
; CHECK-PWR9-BE-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR9-BE-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR9-BE-NEXT:    vsububm v2, v2, v4
; CHECK-PWR9-BE-NEXT:    vmrghb v2, v3, v2
; CHECK-PWR9-BE-NEXT:    blr
;
; CHECK-PWR8-LABEL: sext_sub_absd16:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    vmrglb v2, v2, v2
; CHECK-PWR8-NEXT:    vspltish v4, 8
; CHECK-PWR8-NEXT:    vslh v2, v2, v4
; CHECK-PWR8-NEXT:    vmrglb v3, v3, v3
; CHECK-PWR8-NEXT:    vslh v3, v3, v4
; CHECK-PWR8-NEXT:    vsrah v2, v2, v4
; CHECK-PWR8-NEXT:    vsrah v3, v3, v4
; CHECK-PWR8-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR8-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR8-NEXT:    vsubuhm v3, v3, v2
; CHECK-PWR8-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: sext_sub_absd16:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    vspltish v4, 8
; CHECK-PWR7-NEXT:    vmrghb v2, v2, v2
; CHECK-PWR7-NEXT:    vmrghb v3, v3, v3
; CHECK-PWR7-NEXT:    vslh v2, v2, v4
; CHECK-PWR7-NEXT:    vslh v3, v3, v4
; CHECK-PWR7-NEXT:    vsrah v2, v2, v4
; CHECK-PWR7-NEXT:    vsrah v3, v3, v4
; CHECK-PWR7-NEXT:    vsubuhm v2, v2, v3
; CHECK-PWR7-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR7-NEXT:    vsubuhm v3, v3, v2
; CHECK-PWR7-NEXT:    vmaxsh v2, v2, v3
; CHECK-PWR7-NEXT:    blr
    %3 = sext <8 x i8> %0 to <8 x i16>
    %4 = sext <8 x i8> %1 to <8 x i16>
    %5 = sub <8 x i16> %3, %4
    %6 = sub <8 x i16> zeroinitializer, %5
    %7 = tail call <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16> %5, <8 x i16> %6)
    ret <8 x i16> %7
}

define <16 x i8> @sext_sub_absd8(<16 x i4>, <16 x i4>) local_unnamed_addr {
; CHECK-PWR9-LABEL: sext_sub_absd8:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xxspltib v4, 4
; CHECK-PWR9-NEXT:    vslb v3, v3, v4
; CHECK-PWR9-NEXT:    vslb v2, v2, v4
; CHECK-PWR9-NEXT:    vsrab v3, v3, v4
; CHECK-PWR9-NEXT:    vsrab v2, v2, v4
; CHECK-PWR9-NEXT:    vminsb v4, v2, v3
; CHECK-PWR9-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR9-NEXT:    vsububm v2, v2, v4
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: sext_sub_absd8:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vspltisb v4, 4
; CHECK-PWR78-NEXT:    vslb v2, v2, v4
; CHECK-PWR78-NEXT:    vslb v3, v3, v4
; CHECK-PWR78-NEXT:    vsrab v2, v2, v4
; CHECK-PWR78-NEXT:    vsrab v3, v3, v4
; CHECK-PWR78-NEXT:    vsububm v2, v2, v3
; CHECK-PWR78-NEXT:    xxlxor v3, v3, v3
; CHECK-PWR78-NEXT:    vsububm v3, v3, v2
; CHECK-PWR78-NEXT:    vmaxsb v2, v2, v3
; CHECK-PWR78-NEXT:    blr
    %3 = sext <16 x i4> %0 to <16 x i8>
    %4 = sext <16 x i4> %1 to <16 x i8>
    %5 = sub <16 x i8> %3, %4
    %6 = sub <16 x i8> zeroinitializer, %5
    %7 = tail call <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8> %5, <16 x i8> %6)
    ret <16 x i8> %7
}

; To verify vabsdu* exploitation for ucmp + sub + select sequence

define <4 x i32> @absd_int32_ugt(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ugt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %4, <4 x i32> %5
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_uge(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_uge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_uge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp uge <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %4, <4 x i32> %5
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_ult(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ult:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ult:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ult <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_ule(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ule:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ule:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ule <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <8 x i16> @absd_int16_ugt(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_ugt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuh v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuh v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %4, <8 x i16> %5
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_uge(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_uge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_uge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuh v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuh v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp uge <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %4, <8 x i16> %5
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_ult(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_ult:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_ult:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuh v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuh v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ult <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %5, <8 x i16> %4
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_ule(<8 x i16>, <8 x i16>) {
; CHECK-PWR9-LABEL: absd_int16_ule:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduh v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int16_ule:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminuh v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxuh v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuhm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ule <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %5, <8 x i16> %4
  ret <8 x i16> %6
}

define <16 x i8> @absd_int8_ugt(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_ugt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminub v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxub v2, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %4, <16 x i8> %5
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_uge(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_uge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_uge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminub v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxub v2, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp uge <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %4, <16 x i8> %5
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_ult(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_ult:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_ult:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminub v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxub v2, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ult <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %5, <16 x i8> %4
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_ule(<16 x i8>, <16 x i8>) {
; CHECK-PWR9-LABEL: absd_int8_ule:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsdub v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int8_ule:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminub v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxub v2, v2, v3
; CHECK-PWR78-NEXT:    vsububm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ule <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %5, <16 x i8> %4
  ret <16 x i8> %6
}

; Tests for ABDS icmp + sub + select sequence

define <4 x i32> @absd_int32_sgt(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_sgt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_sgt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminsw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp sgt <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %4, <4 x i32> %5
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_sge(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_sge:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_sge:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminsw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp sge <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %4, <4 x i32> %5
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_slt(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_slt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_slt:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminsw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp slt <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <4 x i32> @absd_int32_sle(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_sle:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    xvnegsp v3, v3
; CHECK-PWR9-NEXT:    xvnegsp v2, v2
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_sle:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vminsw v4, v2, v3
; CHECK-PWR78-NEXT:    vmaxsw v2, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp sle <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <8 x i16> @absd_int16_sgt(<8 x i16>, <8 x i16>) {
; CHECK-LABEL: absd_int16_sgt:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsh v4, v2, v3
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    vsubuhm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp sgt <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %4, <8 x i16> %5
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_sge(<8 x i16>, <8 x i16>) {
; CHECK-LABEL: absd_int16_sge:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsh v4, v2, v3
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    vsubuhm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp sge <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %4, <8 x i16> %5
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_slt(<8 x i16>, <8 x i16>) {
; CHECK-LABEL: absd_int16_slt:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsh v4, v2, v3
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    vsubuhm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp slt <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %5, <8 x i16> %4
  ret <8 x i16> %6
}

define <8 x i16> @absd_int16_sle(<8 x i16>, <8 x i16>) {
; CHECK-LABEL: absd_int16_sle:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsh v4, v2, v3
; CHECK-NEXT:    vmaxsh v2, v2, v3
; CHECK-NEXT:    vsubuhm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp sle <8 x i16> %0, %1
  %4 = sub <8 x i16> %0, %1
  %5 = sub <8 x i16> %1, %0
  %6 = select <8 x i1> %3, <8 x i16> %5, <8 x i16> %4
  ret <8 x i16> %6
}

define <16 x i8> @absd_int8_sgt(<16 x i8>, <16 x i8>) {
; CHECK-LABEL: absd_int8_sgt:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsb v4, v2, v3
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    vsububm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp sgt <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %4, <16 x i8> %5
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_sge(<16 x i8>, <16 x i8>) {
; CHECK-LABEL: absd_int8_sge:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsb v4, v2, v3
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    vsububm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp sge <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %4, <16 x i8> %5
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_slt(<16 x i8>, <16 x i8>) {
; CHECK-LABEL: absd_int8_slt:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsb v4, v2, v3
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    vsububm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp slt <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %5, <16 x i8> %4
  ret <16 x i8> %6
}

define <16 x i8> @absd_int8_sle(<16 x i8>, <16 x i8>) {
; CHECK-LABEL: absd_int8_sle:
; CHECK:       # %bb.0:
; CHECK-NEXT:    vminsb v4, v2, v3
; CHECK-NEXT:    vmaxsb v2, v2, v3
; CHECK-NEXT:    vsububm v2, v2, v4
; CHECK-NEXT:    blr
  %3 = icmp sle <16 x i8> %0, %1
  %4 = sub <16 x i8> %0, %1
  %5 = sub <16 x i8> %1, %0
  %6 = select <16 x i1> %3, <16 x i8> %5, <16 x i8> %4
  ret <16 x i8> %6
}

; some cases we are unable to optimize
; check whether goes beyond the scope
define <4 x i32> @absd_int32_ugt_opp(<4 x i32>, <4 x i32>) {
; CHECK-PWR9-LABEL: absd_int32_ugt_opp:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
; CHECK-PWR9-NEXT:    vnegw v2, v2
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR78-LABEL: absd_int32_ugt_opp:
; CHECK-PWR78:       # %bb.0:
; CHECK-PWR78-NEXT:    vcmpgtuw v4, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v5, v2, v3
; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
; CHECK-PWR78-NEXT:    blr
  %3 = icmp ugt <4 x i32> %0, %1
  %4 = sub <4 x i32> %0, %1
  %5 = sub <4 x i32> %1, %0
  %6 = select <4 x i1> %3, <4 x i32> %5, <4 x i32> %4
  ret <4 x i32> %6
}

define <2 x i64> @absd_int64_ugt(<2 x i64>, <2 x i64>) {
; CHECK-PWR9-LABEL: absd_int64_ugt:
; CHECK-PWR9:       # %bb.0:
; CHECK-PWR9-NEXT:    vminud v4, v2, v3
; CHECK-PWR9-NEXT:    vmaxud v2, v2, v3
; CHECK-PWR9-NEXT:    vsubudm v2, v2, v4
; CHECK-PWR9-NEXT:    blr
;
; CHECK-PWR8-LABEL: absd_int64_ugt:
; CHECK-PWR8:       # %bb.0:
; CHECK-PWR8-NEXT:    vminud v4, v2, v3
; CHECK-PWR8-NEXT:    vmaxud v2, v2, v3
; CHECK-PWR8-NEXT:    vsubudm v2, v2, v4
; CHECK-PWR8-NEXT:    blr
;
; CHECK-PWR7-LABEL: absd_int64_ugt:
; CHECK-PWR7:       # %bb.0:
; CHECK-PWR7-NEXT:    addi r3, r1, -96
; CHECK-PWR7-NEXT:    stxvd2x v2, 0, r3
; CHECK-PWR7-NEXT:    addi r3, r1, -80
; CHECK-PWR7-NEXT:    stxvd2x v3, 0, r3
; CHECK-PWR7-NEXT:    ld r3, -88(r1)
; CHECK-PWR7-NEXT:    ld r4, -72(r1)
; CHECK-PWR7-NEXT:    ld r6, -80(r1)
; CHECK-PWR7-NEXT:    sub r5, r3, r4
; CHECK-PWR7-NEXT:    cmpld r3, r4
; CHECK-PWR7-NEXT:    li r3, 0
; CHECK-PWR7-NEXT:    li r4, -1
; CHECK-PWR7-NEXT:    std r5, -56(r1)
; CHECK-PWR7-NEXT:    ld r5, -96(r1)
; CHECK-PWR7-NEXT:    sub r7, r5, r6
; CHECK-PWR7-NEXT:    std r7, -64(r1)
; CHECK-PWR7-NEXT:    iselgt r7, r4, r3
; CHECK-PWR7-NEXT:    cmpld r5, r6
; CHECK-PWR7-NEXT:    std r7, -40(r1)
; CHECK-PWR7-NEXT:    iselgt r3, r4, r3
; CHECK-PWR7-NEXT:    addi r4, r1, -64
; CHECK-PWR7-NEXT:    std r3, -48(r1)
; CHECK-PWR7-NEXT:    lxvw4x vs0, 0, r4
; CHECK-PWR7-NEXT:    addi r4, r1, -48
; CHECK-PWR7-NEXT:    lxvw4x vs1, 0, r4
; CHECK-PWR7-NEXT:    addi r4, r1, -32
; CHECK-PWR7-NEXT:    xxlxor vs0, vs0, vs1
; CHECK-PWR7-NEXT:    stxvw4x vs0, 0, r4
; CHECK-PWR7-NEXT:    ld r4, -24(r1)
; CHECK-PWR7-NEXT:    sub r4, r7, r4
; CHECK-PWR7-NEXT:    std r4, -8(r1)
; CHECK-PWR7-NEXT:    ld r4, -32(r1)
; CHECK-PWR7-NEXT:    sub r3, r3, r4
; CHECK-PWR7-NEXT:    std r3, -16(r1)
; CHECK-PWR7-NEXT:    addi r3, r1, -16
; CHECK-PWR7-NEXT:    lxvd2x v2, 0, r3
; CHECK-PWR7-NEXT:    blr
  %3 = icmp ugt <2 x i64> %0, %1
  %4 = sub <2 x i64> %0, %1
  %5 = sub <2 x i64> %1, %0
  %6 = select <2 x i1> %3, <2 x i64> %4, <2 x i64> %5
  ret <2 x i64> %6
}

declare <4 x i32> @llvm.ppc.altivec.vmaxsw(<4 x i32>, <4 x i32>)

declare <8 x i16> @llvm.ppc.altivec.vmaxsh(<8 x i16>, <8 x i16>)

declare <16 x i8> @llvm.ppc.altivec.vmaxsb(<16 x i8>, <16 x i8>)