[llvm] [WIP][DAG] Add legalization handling for ABDS/ABDU (PR #92576)

Simon Pilgrim via llvm-commits llvm-commits at lists.llvm.org
Fri Jun 7 03:06:28 PDT 2024


https://github.com/RKSimon updated https://github.com/llvm/llvm-project/pull/92576

>From 118c53433fa90ee2e8658c810bb0168d2cc6a748 Mon Sep 17 00:00:00 2001
From: Simon Pilgrim <llvm-dev at redking.me.uk>
Date: Fri, 17 May 2024 17:47:58 +0100
Subject: [PATCH] [WIP][DAG] Add legalization handling for ABDS/ABDU

Still WIP, but I wanted to get some visibility to other teams.

Always match ABD patterns pre-legalization, and use TargetLowering::expandABD to expand again during legalization.
---
 llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp |  12 +-
 .../SelectionDAG/LegalizeIntegerTypes.cpp     |   9 +
 llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h |   1 +
 .../SelectionDAG/LegalizeVectorTypes.cpp      |   6 +
 .../lib/CodeGen/SelectionDAG/SelectionDAG.cpp |   2 +
 .../CodeGen/SelectionDAG/TargetLowering.cpp   |  20 +
 llvm/test/CodeGen/AArch64/arm64-vabs.ll       |  31 +-
 llvm/test/CodeGen/AArch64/neon-abd.ll         |  70 +--
 llvm/test/CodeGen/AArch64/sve-aba.ll          |  26 +-
 llvm/test/CodeGen/AArch64/sve-abd.ll          |  26 +-
 llvm/test/CodeGen/AMDGPU/sad.ll               |   6 +-
 llvm/test/CodeGen/ARM/neon_vabs.ll            |  10 +-
 llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll   | 426 +++++++-----------
 llvm/test/CodeGen/PowerPC/vec-zext-abdu.ll    |  24 +-
 llvm/test/CodeGen/RISCV/rvv/abd.ll            |  20 +-
 llvm/test/CodeGen/Thumb2/mve-vabdus.ll        |   3 +-
 llvm/test/CodeGen/X86/abds.ll                 |  74 ++-
 llvm/test/CodeGen/X86/abdu.ll                 |  70 ++-
 18 files changed, 331 insertions(+), 505 deletions(-)

diff --git a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
index a913472525cf5..e90f5ad255a30 100644
--- a/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/DAGCombiner.cpp
@@ -4130,13 +4130,13 @@ SDValue DAGCombiner::visitSUB(SDNode *N) {
   }
 
   // smax(a,b) - smin(a,b) --> abds(a,b)
-  if (hasOperation(ISD::ABDS, VT) &&
+  if ((!LegalOperations || hasOperation(ISD::ABDS, VT)) &&
       sd_match(N0, m_SMax(m_Value(A), m_Value(B))) &&
       sd_match(N1, m_SMin(m_Specific(A), m_Specific(B))))
     return DAG.getNode(ISD::ABDS, DL, VT, A, B);
 
   // umax(a,b) - umin(a,b) --> abdu(a,b)
-  if (hasOperation(ISD::ABDU, VT) &&
+  if ((!LegalOperations || hasOperation(ISD::ABDU, VT)) &&
       sd_match(N0, m_UMax(m_Value(A), m_Value(B))) &&
       sd_match(N1, m_UMin(m_Specific(A), m_Specific(B))))
     return DAG.getNode(ISD::ABDU, DL, VT, A, B);
@@ -10932,6 +10932,7 @@ SDValue DAGCombiner::foldABSToABD(SDNode *N, const SDLoc &DL) {
       (Opc0 != ISD::ZERO_EXTEND && Opc0 != ISD::SIGN_EXTEND &&
        Opc0 != ISD::SIGN_EXTEND_INREG)) {
     // fold (abs (sub nsw x, y)) -> abds(x, y)
+    // Don't fold this for unsupported types as we lose the NSW handling.
     if (AbsOp1->getFlags().hasNoSignedWrap() && hasOperation(ISD::ABDS, VT) &&
         TLI.preferABDSToABSWithNSW(VT)) {
       SDValue ABD = DAG.getNode(ISD::ABDS, DL, VT, Op0, Op1);
@@ -10954,7 +10955,8 @@ SDValue DAGCombiner::foldABSToABD(SDNode *N, const SDLoc &DL) {
   // fold abs(zext(x) - zext(y)) -> zext(abdu(x, y))
   EVT MaxVT = VT0.bitsGT(VT1) ? VT0 : VT1;
   if ((VT0 == MaxVT || Op0->hasOneUse()) &&
-      (VT1 == MaxVT || Op1->hasOneUse()) && hasOperation(ABDOpcode, MaxVT)) {
+      (VT1 == MaxVT || Op1->hasOneUse()) &&
+      (!LegalOperations || hasOperation(ABDOpcode, MaxVT))) {
     SDValue ABD = DAG.getNode(ABDOpcode, DL, MaxVT,
                               DAG.getNode(ISD::TRUNCATE, DL, MaxVT, Op0),
                               DAG.getNode(ISD::TRUNCATE, DL, MaxVT, Op1));
@@ -10964,7 +10966,7 @@ SDValue DAGCombiner::foldABSToABD(SDNode *N, const SDLoc &DL) {
 
   // fold abs(sext(x) - sext(y)) -> abds(sext(x), sext(y))
   // fold abs(zext(x) - zext(y)) -> abdu(zext(x), zext(y))
-  if (hasOperation(ABDOpcode, VT)) {
+  if (!LegalOperations || hasOperation(ABDOpcode, VT)) {
     SDValue ABD = DAG.getNode(ABDOpcode, DL, VT, Op0, Op1);
     return DAG.getZExtOrTrunc(ABD, DL, SrcVT);
   }
@@ -12336,7 +12338,7 @@ SDValue DAGCombiner::visitVSELECT(SDNode *N) {
         N1.getOperand(1) == N2.getOperand(0)) {
       bool IsSigned = isSignedIntSetCC(CC);
       unsigned ABDOpc = IsSigned ? ISD::ABDS : ISD::ABDU;
-      if (hasOperation(ABDOpc, VT)) {
+      if (!LegalOperations || hasOperation(ABDOpc, VT)) {
         switch (CC) {
         case ISD::SETGT:
         case ISD::SETGE:
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
index 12f1d005249d6..d5f5f6d6eee61 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeIntegerTypes.cpp
@@ -188,6 +188,7 @@ void DAGTypeLegalizer::PromoteIntegerResult(SDNode *N, unsigned ResNo) {
   case ISD::VP_SUB:
   case ISD::VP_MUL:      Res = PromoteIntRes_SimpleIntBinOp(N); break;
 
+  case ISD::ABDS:
   case ISD::VP_SMIN:
   case ISD::VP_SMAX:
   case ISD::SDIV:
@@ -195,6 +196,7 @@ void DAGTypeLegalizer::PromoteIntegerResult(SDNode *N, unsigned ResNo) {
   case ISD::VP_SDIV:
   case ISD::VP_SREM:     Res = PromoteIntRes_SExtIntBinOp(N); break;
 
+  case ISD::ABDU:
   case ISD::VP_UMIN:
   case ISD::VP_UMAX:
   case ISD::UDIV:
@@ -2703,6 +2705,8 @@ void DAGTypeLegalizer::ExpandIntegerResult(SDNode *N, unsigned ResNo) {
   case ISD::PARITY:      ExpandIntRes_PARITY(N, Lo, Hi); break;
   case ISD::Constant:    ExpandIntRes_Constant(N, Lo, Hi); break;
   case ISD::ABS:         ExpandIntRes_ABS(N, Lo, Hi); break;
+  case ISD::ABDS:
+  case ISD::ABDU:        ExpandIntRes_ABD(N, Lo, Hi); break;
   case ISD::CTLZ_ZERO_UNDEF:
   case ISD::CTLZ:        ExpandIntRes_CTLZ(N, Lo, Hi); break;
   case ISD::CTPOP:       ExpandIntRes_CTPOP(N, Lo, Hi); break;
@@ -3749,6 +3753,11 @@ void DAGTypeLegalizer::ExpandIntRes_CTLZ(SDNode *N,
   Hi = DAG.getConstant(0, dl, NVT);
 }
 
+void DAGTypeLegalizer::ExpandIntRes_ABD(SDNode *N, SDValue &Lo, SDValue &Hi) {
+  SDValue Result = TLI.expandABD(N, DAG);
+  SplitInteger(Result, Lo, Hi);
+}
+
 void DAGTypeLegalizer::ExpandIntRes_CTPOP(SDNode *N,
                                           SDValue &Lo, SDValue &Hi) {
   SDLoc dl(N);
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
index 2350b562a0343..7026ad270e537 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeTypes.h
@@ -443,6 +443,7 @@ class LLVM_LIBRARY_VISIBILITY DAGTypeLegalizer {
   void ExpandIntRes_AssertZext        (SDNode *N, SDValue &Lo, SDValue &Hi);
   void ExpandIntRes_Constant          (SDNode *N, SDValue &Lo, SDValue &Hi);
   void ExpandIntRes_ABS               (SDNode *N, SDValue &Lo, SDValue &Hi);
+  void ExpandIntRes_ABD               (SDNode *N, SDValue &Lo, SDValue &Hi);
   void ExpandIntRes_CTLZ              (SDNode *N, SDValue &Lo, SDValue &Hi);
   void ExpandIntRes_CTPOP             (SDNode *N, SDValue &Lo, SDValue &Hi);
   void ExpandIntRes_CTTZ              (SDNode *N, SDValue &Lo, SDValue &Hi);
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
index 92ce3b17ed6c9..b0f931b8e9d5a 100644
--- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp
@@ -137,6 +137,8 @@ void DAGTypeLegalizer::ScalarizeVectorResult(SDNode *N, unsigned ResNo) {
   case ISD::FMINIMUM:
   case ISD::FMAXIMUM:
   case ISD::FLDEXP:
+  case ISD::ABDS:
+  case ISD::ABDU:
   case ISD::SMIN:
   case ISD::SMAX:
   case ISD::UMIN:
@@ -1173,6 +1175,8 @@ void DAGTypeLegalizer::SplitVectorResult(SDNode *N, unsigned ResNo) {
   case ISD::MUL: case ISD::VP_MUL:
   case ISD::MULHS:
   case ISD::MULHU:
+  case ISD::ABDS:
+  case ISD::ABDU:
   case ISD::FADD: case ISD::VP_FADD:
   case ISD::FSUB: case ISD::VP_FSUB:
   case ISD::FMUL: case ISD::VP_FMUL:
@@ -4237,6 +4241,8 @@ void DAGTypeLegalizer::WidenVectorResult(SDNode *N, unsigned ResNo) {
   case ISD::MUL: case ISD::VP_MUL:
   case ISD::MULHS:
   case ISD::MULHU:
+  case ISD::ABDS:
+  case ISD::ABDU:
   case ISD::OR: case ISD::VP_OR:
   case ISD::SUB: case ISD::VP_SUB:
   case ISD::XOR: case ISD::VP_XOR:
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index e176cf2cc2a6c..a99fe58c234d4 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -6951,6 +6951,8 @@ SDValue SelectionDAG::getNode(unsigned Opcode, const SDLoc &DL, EVT VT,
     assert(VT.isInteger() && "This operator does not apply to FP types!");
     assert(N1.getValueType() == N2.getValueType() &&
            N1.getValueType() == VT && "Binary operator types must match!");
+    if (VT.isVector() && VT.getVectorElementType() == MVT::i1)
+      return getNode(ISD::XOR, DL, VT, N1, N2);
     break;
   case ISD::SMIN:
   case ISD::UMAX:
diff --git a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index e1c1a6b09b112..c5e2115bbeb34 100644
--- a/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -9226,6 +9226,21 @@ SDValue TargetLowering::expandABD(SDNode *N, SelectionDAG &DAG) const {
                        DAG.getNode(ISD::USUBSAT, dl, VT, LHS, RHS),
                        DAG.getNode(ISD::USUBSAT, dl, VT, RHS, LHS));
 
+  // If the subtract doesn't overflow then just use abs(sub())
+  // NOTE: don't use frozen operands for value tracking.
+  bool IsNonNegative = DAG.SignBitIsZero(N->getOperand(0)) &&
+                       DAG.SignBitIsZero(N->getOperand(1));
+
+  if (DAG.willNotOverflowSub(IsSigned || IsNonNegative, N->getOperand(0),
+                             N->getOperand(1)))
+    return DAG.getNode(ISD::ABS, dl, VT,
+                       DAG.getNode(ISD::SUB, dl, VT, LHS, RHS));
+
+  if (DAG.willNotOverflowSub(IsSigned || IsNonNegative, N->getOperand(1),
+                             N->getOperand(0)))
+    return DAG.getNode(ISD::ABS, dl, VT,
+                       DAG.getNode(ISD::SUB, dl, VT, RHS, LHS));
+
   EVT CCVT = getSetCCResultType(DAG.getDataLayout(), *DAG.getContext(), VT);
   ISD::CondCode CC = IsSigned ? ISD::CondCode::SETGT : ISD::CondCode::SETUGT;
   SDValue Cmp = DAG.getSetCC(dl, CCVT, LHS, RHS, CC);
@@ -9239,6 +9254,11 @@ SDValue TargetLowering::expandABD(SDNode *N, SelectionDAG &DAG) const {
     return DAG.getNode(ISD::SUB, dl, VT, Cmp, Xor);
   }
 
+  // FIXME: Should really try to split the vector in case it's legal on a
+  // subvector.
+  if (VT.isVector() && !isOperationLegalOrCustom(ISD::VSELECT, VT))
+    return DAG.UnrollVectorOp(N);
+
   // abds(lhs, rhs) -> select(sgt(lhs,rhs), sub(lhs,rhs), sub(rhs,lhs))
   // abdu(lhs, rhs) -> select(ugt(lhs,rhs), sub(lhs,rhs), sub(rhs,lhs))
   return DAG.getSelect(dl, VT, Cmp, DAG.getNode(ISD::SUB, dl, VT, LHS, RHS),
diff --git a/llvm/test/CodeGen/AArch64/arm64-vabs.ll b/llvm/test/CodeGen/AArch64/arm64-vabs.ll
index 178c229d04e47..48afcc5c3dd2b 100644
--- a/llvm/test/CodeGen/AArch64/arm64-vabs.ll
+++ b/llvm/test/CodeGen/AArch64/arm64-vabs.ll
@@ -1799,30 +1799,13 @@ define <2 x i64> @uabd_i32(<2 x i32> %a, <2 x i32> %b) {
 define <2 x i128> @uabd_i64(<2 x i64> %a, <2 x i64> %b) {
 ; CHECK-LABEL: uabd_i64:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov.d x8, v0[1]
-; CHECK-NEXT:    mov.d x9, v1[1]
-; CHECK-NEXT:    fmov x10, d0
-; CHECK-NEXT:    fmov x11, d1
-; CHECK-NEXT:    asr x12, x10, #63
-; CHECK-NEXT:    asr x13, x11, #63
-; CHECK-NEXT:    subs x10, x10, x11
-; CHECK-NEXT:    asr x11, x8, #63
-; CHECK-NEXT:    asr x14, x9, #63
-; CHECK-NEXT:    sbc x12, x12, x13
-; CHECK-NEXT:    subs x8, x8, x9
-; CHECK-NEXT:    sbc x9, x11, x14
-; CHECK-NEXT:    asr x13, x12, #63
-; CHECK-NEXT:    asr x11, x9, #63
-; CHECK-NEXT:    eor x10, x10, x13
-; CHECK-NEXT:    eor x8, x8, x11
-; CHECK-NEXT:    eor x9, x9, x11
-; CHECK-NEXT:    subs x2, x8, x11
-; CHECK-NEXT:    eor x8, x12, x13
-; CHECK-NEXT:    sbc x3, x9, x11
-; CHECK-NEXT:    subs x9, x10, x13
-; CHECK-NEXT:    fmov d0, x9
-; CHECK-NEXT:    sbc x1, x8, x13
-; CHECK-NEXT:    mov.d v0[1], x1
+; CHECK-NEXT:    cmgt.2d v2, v0, v1
+; CHECK-NEXT:    sub.2d v0, v0, v1
+; CHECK-NEXT:    mov x1, xzr
+; CHECK-NEXT:    mov x3, xzr
+; CHECK-NEXT:    eor.16b v0, v0, v2
+; CHECK-NEXT:    sub.2d v0, v2, v0
+; CHECK-NEXT:    mov.d x2, v0[1]
 ; CHECK-NEXT:    fmov x0, d0
 ; CHECK-NEXT:    ret
   %aext = sext <2 x i64> %a to <2 x i128>
diff --git a/llvm/test/CodeGen/AArch64/neon-abd.ll b/llvm/test/CodeGen/AArch64/neon-abd.ll
index f743bae84053d..314edd2fc81a7 100644
--- a/llvm/test/CodeGen/AArch64/neon-abd.ll
+++ b/llvm/test/CodeGen/AArch64/neon-abd.ll
@@ -49,10 +49,10 @@ define <4 x i16> @sabd_4h(<4 x i16> %a, <4 x i16> %b) #0 {
 define <4 x i16> @sabd_4h_promoted_ops(<4 x i8> %a, <4 x i8> %b) #0 {
 ; CHECK-LABEL: sabd_4h_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    shl v0.4h, v0.4h, #8
 ; CHECK-NEXT:    shl v1.4h, v1.4h, #8
-; CHECK-NEXT:    sshr v0.4h, v0.4h, #8
+; CHECK-NEXT:    shl v0.4h, v0.4h, #8
 ; CHECK-NEXT:    sshr v1.4h, v1.4h, #8
+; CHECK-NEXT:    sshr v0.4h, v0.4h, #8
 ; CHECK-NEXT:    sabd v0.4h, v0.4h, v1.4h
 ; CHECK-NEXT:    ret
   %a.sext = sext <4 x i8> %a to <4 x i16>
@@ -103,10 +103,10 @@ define <2 x i32> @sabd_2s(<2 x i32> %a, <2 x i32> %b) #0 {
 define <2 x i32> @sabd_2s_promoted_ops(<2 x i16> %a, <2 x i16> %b) #0 {
 ; CHECK-LABEL: sabd_2s_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    shl v0.2s, v0.2s, #16
 ; CHECK-NEXT:    shl v1.2s, v1.2s, #16
-; CHECK-NEXT:    sshr v0.2s, v0.2s, #16
+; CHECK-NEXT:    shl v0.2s, v0.2s, #16
 ; CHECK-NEXT:    sshr v1.2s, v1.2s, #16
+; CHECK-NEXT:    sshr v0.2s, v0.2s, #16
 ; CHECK-NEXT:    sabd v0.2s, v0.2s, v1.2s
 ; CHECK-NEXT:    ret
   %a.sext = sext <2 x i16> %a to <2 x i32>
@@ -144,27 +144,10 @@ define <4 x i32> @sabd_4s_promoted_ops(<4 x i16> %a, <4 x i16> %b) #0 {
 define <2 x i64> @sabd_2d(<2 x i64> %a, <2 x i64> %b) #0 {
 ; CHECK-LABEL: sabd_2d:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov x8, v0.d[1]
-; CHECK-NEXT:    mov x9, v1.d[1]
-; CHECK-NEXT:    fmov x10, d0
-; CHECK-NEXT:    fmov x12, d1
-; CHECK-NEXT:    asr x14, x10, #63
-; CHECK-NEXT:    asr x11, x8, #63
-; CHECK-NEXT:    asr x13, x9, #63
-; CHECK-NEXT:    asr x15, x12, #63
-; CHECK-NEXT:    subs x8, x8, x9
-; CHECK-NEXT:    sbc x9, x11, x13
-; CHECK-NEXT:    subs x10, x10, x12
-; CHECK-NEXT:    sbc x11, x14, x15
-; CHECK-NEXT:    asr x9, x9, #63
-; CHECK-NEXT:    asr x11, x11, #63
-; CHECK-NEXT:    eor x8, x8, x9
-; CHECK-NEXT:    eor x10, x10, x11
-; CHECK-NEXT:    sub x8, x8, x9
-; CHECK-NEXT:    sub x10, x10, x11
-; CHECK-NEXT:    fmov d1, x8
-; CHECK-NEXT:    fmov d0, x10
-; CHECK-NEXT:    mov v0.d[1], v1.d[0]
+; CHECK-NEXT:    cmgt v2.2d, v0.2d, v1.2d
+; CHECK-NEXT:    sub v0.2d, v0.2d, v1.2d
+; CHECK-NEXT:    eor v0.16b, v0.16b, v2.16b
+; CHECK-NEXT:    sub v0.2d, v2.2d, v0.2d
 ; CHECK-NEXT:    ret
   %a.sext = sext <2 x i64> %a to <2 x i128>
   %b.sext = sext <2 x i64> %b to <2 x i128>
@@ -232,8 +215,8 @@ define <4 x i16> @uabd_4h(<4 x i16> %a, <4 x i16> %b) #0 {
 define <4 x i16> @uabd_4h_promoted_ops(<4 x i8> %a, <4 x i8> %b) #0 {
 ; CHECK-LABEL: uabd_4h_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    bic v0.4h, #255, lsl #8
 ; CHECK-NEXT:    bic v1.4h, #255, lsl #8
+; CHECK-NEXT:    bic v0.4h, #255, lsl #8
 ; CHECK-NEXT:    uabd v0.4h, v0.4h, v1.4h
 ; CHECK-NEXT:    ret
   %a.zext = zext <4 x i8> %a to <4 x i16>
@@ -285,8 +268,8 @@ define <2 x i32> @uabd_2s_promoted_ops(<2 x i16> %a, <2 x i16> %b) #0 {
 ; CHECK-LABEL: uabd_2s_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    movi d2, #0x00ffff0000ffff
-; CHECK-NEXT:    and v0.8b, v0.8b, v2.8b
 ; CHECK-NEXT:    and v1.8b, v1.8b, v2.8b
+; CHECK-NEXT:    and v0.8b, v0.8b, v2.8b
 ; CHECK-NEXT:    uabd v0.2s, v0.2s, v1.2s
 ; CHECK-NEXT:    ret
   %a.zext = zext <2 x i16> %a to <2 x i32>
@@ -324,23 +307,9 @@ define <4 x i32> @uabd_4s_promoted_ops(<4 x i16> %a, <4 x i16> %b) #0 {
 define <2 x i64> @uabd_2d(<2 x i64> %a, <2 x i64> %b) #0 {
 ; CHECK-LABEL: uabd_2d:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov x8, v0.d[1]
-; CHECK-NEXT:    mov x9, v1.d[1]
-; CHECK-NEXT:    fmov x10, d0
-; CHECK-NEXT:    fmov x11, d1
-; CHECK-NEXT:    subs x8, x8, x9
-; CHECK-NEXT:    ngc x9, xzr
-; CHECK-NEXT:    subs x10, x10, x11
-; CHECK-NEXT:    ngc x11, xzr
-; CHECK-NEXT:    asr x9, x9, #63
-; CHECK-NEXT:    asr x11, x11, #63
-; CHECK-NEXT:    eor x8, x8, x9
-; CHECK-NEXT:    eor x10, x10, x11
-; CHECK-NEXT:    sub x8, x8, x9
-; CHECK-NEXT:    sub x10, x10, x11
-; CHECK-NEXT:    fmov d1, x8
-; CHECK-NEXT:    fmov d0, x10
-; CHECK-NEXT:    mov v0.d[1], v1.d[0]
+; CHECK-NEXT:    uqsub v2.2d, v1.2d, v0.2d
+; CHECK-NEXT:    uqsub v0.2d, v0.2d, v1.2d
+; CHECK-NEXT:    orr v0.16b, v0.16b, v2.16b
 ; CHECK-NEXT:    ret
   %a.zext = zext <2 x i64> %a to <2 x i128>
   %b.zext = zext <2 x i64> %b to <2 x i128>
@@ -484,9 +453,8 @@ define <2 x i64> @smaxmin_v2i64(<2 x i64> %0, <2 x i64> %1) {
 ; CHECK-LABEL: smaxmin_v2i64:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    cmgt v2.2d, v0.2d, v1.2d
-; CHECK-NEXT:    cmgt v3.2d, v1.2d, v0.2d
-; CHECK-NEXT:    bsl v2.16b, v0.16b, v1.16b
-; CHECK-NEXT:    bif v0.16b, v1.16b, v3.16b
+; CHECK-NEXT:    sub v0.2d, v0.2d, v1.2d
+; CHECK-NEXT:    eor v0.16b, v0.16b, v2.16b
 ; CHECK-NEXT:    sub v0.2d, v2.2d, v0.2d
 ; CHECK-NEXT:    ret
   %a = tail call <2 x i64> @llvm.smax.v2i64(<2 x i64> %0, <2 x i64> %1)
@@ -531,11 +499,9 @@ define <4 x i32> @umaxmin_v4i32(<4 x i32> %0, <4 x i32> %1) {
 define <2 x i64> @umaxmin_v2i64(<2 x i64> %0, <2 x i64> %1) {
 ; CHECK-LABEL: umaxmin_v2i64:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    cmhi v2.2d, v0.2d, v1.2d
-; CHECK-NEXT:    cmhi v3.2d, v1.2d, v0.2d
-; CHECK-NEXT:    bsl v2.16b, v0.16b, v1.16b
-; CHECK-NEXT:    bif v0.16b, v1.16b, v3.16b
-; CHECK-NEXT:    sub v0.2d, v2.2d, v0.2d
+; CHECK-NEXT:    uqsub v2.2d, v1.2d, v0.2d
+; CHECK-NEXT:    uqsub v0.2d, v0.2d, v1.2d
+; CHECK-NEXT:    orr v0.16b, v0.16b, v2.16b
 ; CHECK-NEXT:    ret
   %a = tail call <2 x i64> @llvm.umax.v2i64(<2 x i64> %0, <2 x i64> %1)
   %b = tail call <2 x i64> @llvm.umin.v2i64(<2 x i64> %0, <2 x i64> %1)
diff --git a/llvm/test/CodeGen/AArch64/sve-aba.ll b/llvm/test/CodeGen/AArch64/sve-aba.ll
index 6859f7d017044..ffb3e2d658364 100644
--- a/llvm/test/CodeGen/AArch64/sve-aba.ll
+++ b/llvm/test/CodeGen/AArch64/sve-aba.ll
@@ -24,9 +24,10 @@ define <vscale x 16 x i8> @saba_b(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b,
 define <vscale x 16 x i8> @saba_b_promoted_ops(<vscale x 16 x i8> %a, <vscale x 16 x i1> %b, <vscale x 16 x i1> %c) #0 {
 ; CHECK-LABEL: saba_b_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z1.b, p0/z, #-1 // =0xffffffffffffffff
-; CHECK-NEXT:    mov z2.b, p1/z, #-1 // =0xffffffffffffffff
-; CHECK-NEXT:    saba z0.b, z1.b, z2.b
+; CHECK-NEXT:    ptrue p2.b
+; CHECK-NEXT:    mov z1.b, #1 // =0x1
+; CHECK-NEXT:    eor p0.b, p2/z, p0.b, p1.b
+; CHECK-NEXT:    add z0.b, p0/m, z0.b, z1.b
 ; CHECK-NEXT:    ret
   %b.sext = sext <vscale x 16 x i1> %b to <vscale x 16 x i8>
   %c.sext = sext <vscale x 16 x i1> %c to <vscale x 16 x i8>
@@ -75,8 +76,8 @@ define <vscale x 8 x i16> @saba_h_promoted_ops(<vscale x 8 x i16> %a, <vscale x
 ; CHECK-LABEL: saba_h_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.h
-; CHECK-NEXT:    sxtb z1.h, p0/m, z1.h
 ; CHECK-NEXT:    sxtb z2.h, p0/m, z2.h
+; CHECK-NEXT:    sxtb z1.h, p0/m, z1.h
 ; CHECK-NEXT:    saba z0.h, z1.h, z2.h
 ; CHECK-NEXT:    ret
   %b.sext = sext <vscale x 8 x i8> %b to <vscale x 8 x i16>
@@ -126,8 +127,8 @@ define <vscale x 4 x i32> @saba_s_promoted_ops(<vscale x 4 x i32> %a, <vscale x
 ; CHECK-LABEL: saba_s_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    sxth z1.s, p0/m, z1.s
 ; CHECK-NEXT:    sxth z2.s, p0/m, z2.s
+; CHECK-NEXT:    sxth z1.s, p0/m, z1.s
 ; CHECK-NEXT:    saba z0.s, z1.s, z2.s
 ; CHECK-NEXT:    ret
   %b.sext = sext <vscale x 4 x i16> %b to <vscale x 4 x i32>
@@ -177,8 +178,8 @@ define <vscale x 2 x i64> @saba_d_promoted_ops(<vscale x 2 x i64> %a, <vscale x
 ; CHECK-LABEL: saba_d_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    sxtw z1.d, p0/m, z1.d
 ; CHECK-NEXT:    sxtw z2.d, p0/m, z2.d
+; CHECK-NEXT:    sxtw z1.d, p0/m, z1.d
 ; CHECK-NEXT:    saba z0.d, z1.d, z2.d
 ; CHECK-NEXT:    ret
   %b.sext = sext <vscale x 2 x i32> %b to <vscale x 2 x i64>
@@ -231,9 +232,10 @@ define <vscale x 16 x i8> @uaba_b(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b,
 define <vscale x 16 x i8> @uaba_b_promoted_ops(<vscale x 16 x i8> %a, <vscale x 16 x i1> %b, <vscale x 16 x i1> %c) #0 {
 ; CHECK-LABEL: uaba_b_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z1.b, p0/z, #1 // =0x1
-; CHECK-NEXT:    mov z2.b, p1/z, #1 // =0x1
-; CHECK-NEXT:    uaba z0.b, z1.b, z2.b
+; CHECK-NEXT:    ptrue p2.b
+; CHECK-NEXT:    mov z1.b, #1 // =0x1
+; CHECK-NEXT:    eor p0.b, p2/z, p0.b, p1.b
+; CHECK-NEXT:    add z0.b, p0/m, z0.b, z1.b
 ; CHECK-NEXT:    ret
   %b.zext = zext <vscale x 16 x i1> %b to <vscale x 16 x i8>
   %c.zext = zext <vscale x 16 x i1> %c to <vscale x 16 x i8>
@@ -281,8 +283,8 @@ define <vscale x 8 x i16> @uaba_h(<vscale x 8 x i16> %a, <vscale x 8 x i16> %b,
 define <vscale x 8 x i16> @uaba_h_promoted_ops(<vscale x 8 x i16> %a, <vscale x 8 x i8> %b, <vscale x 8 x i8> %c) #0 {
 ; CHECK-LABEL: uaba_h_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z1.h, z1.h, #0xff
 ; CHECK-NEXT:    and z2.h, z2.h, #0xff
+; CHECK-NEXT:    and z1.h, z1.h, #0xff
 ; CHECK-NEXT:    uaba z0.h, z1.h, z2.h
 ; CHECK-NEXT:    ret
   %b.zext = zext <vscale x 8 x i8> %b to <vscale x 8 x i16>
@@ -331,8 +333,8 @@ define <vscale x 4 x i32> @uaba_s(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b,
 define <vscale x 4 x i32> @uaba_s_promoted_ops(<vscale x 4 x i32> %a, <vscale x 4 x i16> %b, <vscale x 4 x i16> %c) #0 {
 ; CHECK-LABEL: uaba_s_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z1.s, z1.s, #0xffff
 ; CHECK-NEXT:    and z2.s, z2.s, #0xffff
+; CHECK-NEXT:    and z1.s, z1.s, #0xffff
 ; CHECK-NEXT:    uaba z0.s, z1.s, z2.s
 ; CHECK-NEXT:    ret
   %b.zext = zext <vscale x 4 x i16> %b to <vscale x 4 x i32>
@@ -381,8 +383,8 @@ define <vscale x 2 x i64> @uaba_d(<vscale x 2 x i64> %a, <vscale x 2 x i64> %b,
 define <vscale x 2 x i64> @uaba_d_promoted_ops(<vscale x 2 x i64> %a, <vscale x 2 x i32> %b, <vscale x 2 x i32> %c) #0 {
 ; CHECK-LABEL: uaba_d_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z1.d, z1.d, #0xffffffff
 ; CHECK-NEXT:    and z2.d, z2.d, #0xffffffff
+; CHECK-NEXT:    and z1.d, z1.d, #0xffffffff
 ; CHECK-NEXT:    uaba z0.d, z1.d, z2.d
 ; CHECK-NEXT:    ret
   %b.zext = zext <vscale x 2 x i32> %b to <vscale x 2 x i64>
diff --git a/llvm/test/CodeGen/AArch64/sve-abd.ll b/llvm/test/CodeGen/AArch64/sve-abd.ll
index 7b492229e3d23..72790155d046f 100644
--- a/llvm/test/CodeGen/AArch64/sve-abd.ll
+++ b/llvm/test/CodeGen/AArch64/sve-abd.ll
@@ -24,10 +24,9 @@ define <vscale x 16 x i8> @sabd_b(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b)
 define <vscale x 16 x i8> @sabd_b_promoted_ops(<vscale x 16 x i1> %a, <vscale x 16 x i1> %b) #0 {
 ; CHECK-LABEL: sabd_b_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    mov z0.b, p0/z, #-1 // =0xffffffffffffffff
-; CHECK-NEXT:    mov z1.b, p1/z, #-1 // =0xffffffffffffffff
-; CHECK-NEXT:    ptrue p0.b
-; CHECK-NEXT:    sabd z0.b, p0/m, z0.b, z1.b
+; CHECK-NEXT:    ptrue p2.b
+; CHECK-NEXT:    eor p0.b, p2/z, p0.b, p1.b
+; CHECK-NEXT:    mov z0.b, p0/z, #1 // =0x1
 ; CHECK-NEXT:    ret
   %a.sext = sext <vscale x 16 x i1> %a to <vscale x 16 x i8>
   %b.sext = sext <vscale x 16 x i1> %b to <vscale x 16 x i8>
@@ -54,8 +53,8 @@ define <vscale x 8 x i16> @sabd_h_promoted_ops(<vscale x 8 x i8> %a, <vscale x 8
 ; CHECK-LABEL: sabd_h_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.h
-; CHECK-NEXT:    sxtb z0.h, p0/m, z0.h
 ; CHECK-NEXT:    sxtb z1.h, p0/m, z1.h
+; CHECK-NEXT:    sxtb z0.h, p0/m, z0.h
 ; CHECK-NEXT:    sabd z0.h, p0/m, z0.h, z1.h
 ; CHECK-NEXT:    ret
   %a.sext = sext <vscale x 8 x i8> %a to <vscale x 8 x i16>
@@ -83,8 +82,8 @@ define <vscale x 4 x i32> @sabd_s_promoted_ops(<vscale x 4 x i16> %a, <vscale x
 ; CHECK-LABEL: sabd_s_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.s
-; CHECK-NEXT:    sxth z0.s, p0/m, z0.s
 ; CHECK-NEXT:    sxth z1.s, p0/m, z1.s
+; CHECK-NEXT:    sxth z0.s, p0/m, z0.s
 ; CHECK-NEXT:    sabd z0.s, p0/m, z0.s, z1.s
 ; CHECK-NEXT:    ret
   %a.sext = sext <vscale x 4 x i16> %a to <vscale x 4 x i32>
@@ -112,8 +111,8 @@ define <vscale x 2 x i64> @sabd_d_promoted_ops(<vscale x 2 x i32> %a, <vscale x
 ; CHECK-LABEL: sabd_d_promoted_ops:
 ; CHECK:       // %bb.0:
 ; CHECK-NEXT:    ptrue p0.d
-; CHECK-NEXT:    sxtw z0.d, p0/m, z0.d
 ; CHECK-NEXT:    sxtw z1.d, p0/m, z1.d
+; CHECK-NEXT:    sxtw z0.d, p0/m, z0.d
 ; CHECK-NEXT:    sabd z0.d, p0/m, z0.d, z1.d
 ; CHECK-NEXT:    ret
   %a.sext = sext <vscale x 2 x i32> %a to <vscale x 2 x i64>
@@ -144,10 +143,9 @@ define <vscale x 16 x i8> @uabd_b(<vscale x 16 x i8> %a, <vscale x 16 x i8> %b)
 define <vscale x 16 x i8> @uabd_b_promoted_ops(<vscale x 16 x i1> %a, <vscale x 16 x i1> %b) #0 {
 ; CHECK-LABEL: uabd_b_promoted_ops:
 ; CHECK:       // %bb.0:
+; CHECK-NEXT:    ptrue p2.b
+; CHECK-NEXT:    eor p0.b, p2/z, p0.b, p1.b
 ; CHECK-NEXT:    mov z0.b, p0/z, #1 // =0x1
-; CHECK-NEXT:    mov z1.b, p1/z, #1 // =0x1
-; CHECK-NEXT:    ptrue p0.b
-; CHECK-NEXT:    uabd z0.b, p0/m, z0.b, z1.b
 ; CHECK-NEXT:    ret
   %a.zext = zext <vscale x 16 x i1> %a to <vscale x 16 x i8>
   %b.zext = zext <vscale x 16 x i1> %b to <vscale x 16 x i8>
@@ -173,8 +171,8 @@ define <vscale x 8 x i16> @uabd_h(<vscale x 8 x i16> %a, <vscale x 8 x i16> %b)
 define <vscale x 8 x i16> @uabd_h_promoted_ops(<vscale x 8 x i8> %a, <vscale x 8 x i8> %b) #0 {
 ; CHECK-LABEL: uabd_h_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z0.h, z0.h, #0xff
 ; CHECK-NEXT:    and z1.h, z1.h, #0xff
+; CHECK-NEXT:    and z0.h, z0.h, #0xff
 ; CHECK-NEXT:    ptrue p0.h
 ; CHECK-NEXT:    uabd z0.h, p0/m, z0.h, z1.h
 ; CHECK-NEXT:    ret
@@ -202,8 +200,8 @@ define <vscale x 4 x i32> @uabd_s(<vscale x 4 x i32> %a, <vscale x 4 x i32> %b)
 define <vscale x 4 x i32> @uabd_s_promoted_ops(<vscale x 4 x i16> %a, <vscale x 4 x i16> %b) #0 {
 ; CHECK-LABEL: uabd_s_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z0.s, z0.s, #0xffff
 ; CHECK-NEXT:    and z1.s, z1.s, #0xffff
+; CHECK-NEXT:    and z0.s, z0.s, #0xffff
 ; CHECK-NEXT:    ptrue p0.s
 ; CHECK-NEXT:    uabd z0.s, p0/m, z0.s, z1.s
 ; CHECK-NEXT:    ret
@@ -231,8 +229,8 @@ define <vscale x 2 x i64> @uabd_d(<vscale x 2 x i64> %a, <vscale x 2 x i64> %b)
 define <vscale x 2 x i64> @uabd_d_promoted_ops(<vscale x 2 x i32> %a, <vscale x 2 x i32> %b) #0 {
 ; CHECK-LABEL: uabd_d_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z0.d, z0.d, #0xffffffff
 ; CHECK-NEXT:    and z1.d, z1.d, #0xffffffff
+; CHECK-NEXT:    and z0.d, z0.d, #0xffffffff
 ; CHECK-NEXT:    ptrue p0.d
 ; CHECK-NEXT:    uabd z0.d, p0/m, z0.d, z1.d
 ; CHECK-NEXT:    ret
@@ -265,8 +263,8 @@ define <vscale x 4 x i32> @uabd_non_matching_extension(<vscale x 4 x i32> %a, <v
 define <vscale x 4 x i32> @uabd_non_matching_promoted_ops(<vscale x 4 x i8> %a, <vscale x 4 x i16> %b) #0 {
 ; CHECK-LABEL: uabd_non_matching_promoted_ops:
 ; CHECK:       // %bb.0:
-; CHECK-NEXT:    and z0.s, z0.s, #0xff
 ; CHECK-NEXT:    and z1.s, z1.s, #0xffff
+; CHECK-NEXT:    and z0.s, z0.s, #0xff
 ; CHECK-NEXT:    ptrue p0.s
 ; CHECK-NEXT:    uabd z0.s, p0/m, z0.s, z1.s
 ; CHECK-NEXT:    ret
diff --git a/llvm/test/CodeGen/AMDGPU/sad.ll b/llvm/test/CodeGen/AMDGPU/sad.ll
index 0492c5663e666..137c458aa50eb 100644
--- a/llvm/test/CodeGen/AMDGPU/sad.ll
+++ b/llvm/test/CodeGen/AMDGPU/sad.ll
@@ -86,9 +86,9 @@ define amdgpu_kernel void @v_sad_u32_multi_use_sub_pat1(ptr addrspace(1) %out, i
 ; GCN-NEXT:    s_add_u32 s8, s8, s7
 ; GCN-NEXT:    s_addc_u32 s9, s9, 0
 ; GCN-NEXT:    s_waitcnt lgkmcnt(0)
-; GCN-NEXT:    s_max_u32 s3, s0, s1
-; GCN-NEXT:    s_min_u32 s0, s0, s1
-; GCN-NEXT:    s_sub_i32 s0, s3, s0
+; GCN-NEXT:    s_min_u32 s3, s0, s1
+; GCN-NEXT:    s_max_u32 s0, s0, s1
+; GCN-NEXT:    s_sub_i32 s0, s0, s3
 ; GCN-NEXT:    v_mov_b32_e32 v0, s4
 ; GCN-NEXT:    v_mov_b32_e32 v2, s0
 ; GCN-NEXT:    s_add_i32 s0, s0, s2
diff --git a/llvm/test/CodeGen/ARM/neon_vabs.ll b/llvm/test/CodeGen/ARM/neon_vabs.ll
index 4064aae65f665..37d389441d217 100644
--- a/llvm/test/CodeGen/ARM/neon_vabs.ll
+++ b/llvm/test/CodeGen/ARM/neon_vabs.ll
@@ -149,7 +149,10 @@ define <4 x i32> @test11(<4 x i16> %a, <4 x i16> %b) nounwind {
 ; CHECK:       @ %bb.0:
 ; CHECK-NEXT:    vmov d16, r2, r3
 ; CHECK-NEXT:    vmov d17, r0, r1
-; CHECK-NEXT:    vabdl.u16 q8, d17, d16
+; CHECK-NEXT:    vmin.u16 d18, d17, d16
+; CHECK-NEXT:    vmax.u16 d16, d17, d16
+; CHECK-NEXT:    vsub.i16 d16, d16, d18
+; CHECK-NEXT:    vmovl.u16 q8, d16
 ; CHECK-NEXT:    vmov r0, r1, d16
 ; CHECK-NEXT:    vmov r2, r3, d17
 ; CHECK-NEXT:    mov pc, lr
@@ -166,7 +169,10 @@ define <8 x i16> @test12(<8 x i8> %a, <8 x i8> %b) nounwind {
 ; CHECK:       @ %bb.0:
 ; CHECK-NEXT:    vmov d16, r2, r3
 ; CHECK-NEXT:    vmov d17, r0, r1
-; CHECK-NEXT:    vabdl.u8 q8, d17, d16
+; CHECK-NEXT:    vmin.u8 d18, d17, d16
+; CHECK-NEXT:    vmax.u8 d16, d17, d16
+; CHECK-NEXT:    vsub.i8 d16, d16, d18
+; CHECK-NEXT:    vmovl.u8 q8, d16
 ; CHECK-NEXT:    vmov r0, r1, d16
 ; CHECK-NEXT:    vmov r2, r3, d17
 ; CHECK-NEXT:    mov pc, lr
diff --git a/llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll b/llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll
index 7a6640fea2d1e..41bd93e84697e 100644
--- a/llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll
+++ b/llvm/test/CodeGen/PowerPC/ppc64-P9-vabsd.ll
@@ -172,82 +172,13 @@ entry:
   ret <16 x i8> %3
 }
 
-; FIXME: This does not produce the ISD::ABS that we are looking for.
-; We should fix the missing canonicalization.
-; We do manage to find the word version of ABS but not the halfword.
-; Threfore, we end up doing more work than is required with a pair of abs for word
-;  instead of just one for the halfword.
 define <8 x i16> @sub_absv_16_ext(<8 x i16> %a, <8 x i16> %b) local_unnamed_addr {
-; CHECK-PWR9-LABEL: sub_absv_16_ext:
-; CHECK-PWR9:       # %bb.0: # %entry
-; CHECK-PWR9-NEXT:    vmrghh v4, v2, v2
-; CHECK-PWR9-NEXT:    vmrglh v2, v2, v2
-; CHECK-PWR9-NEXT:    vmrghh v5, v3, v3
-; CHECK-PWR9-NEXT:    vmrglh v3, v3, v3
-; CHECK-PWR9-NEXT:    vextsh2w v2, v2
-; CHECK-PWR9-NEXT:    vextsh2w v3, v3
-; CHECK-PWR9-NEXT:    vextsh2w v4, v4
-; CHECK-PWR9-NEXT:    vextsh2w v5, v5
-; CHECK-PWR9-NEXT:    xvnegsp v3, v3
-; CHECK-PWR9-NEXT:    xvnegsp v2, v2
-; CHECK-PWR9-NEXT:    xvnegsp v4, v4
-; CHECK-PWR9-NEXT:    vabsduw v2, v2, v3
-; CHECK-PWR9-NEXT:    xvnegsp v3, v5
-; CHECK-PWR9-NEXT:    vabsduw v3, v4, v3
-; CHECK-PWR9-NEXT:    vpkuwum v2, v3, v2
-; CHECK-PWR9-NEXT:    blr
-;
-; CHECK-PWR8-LABEL: sub_absv_16_ext:
-; CHECK-PWR8:       # %bb.0: # %entry
-; CHECK-PWR8-NEXT:    vspltisw v4, 8
-; CHECK-PWR8-NEXT:    vmrglh v5, v2, v2
-; CHECK-PWR8-NEXT:    vadduwm v4, v4, v4
-; CHECK-PWR8-NEXT:    vmrghh v2, v2, v2
-; CHECK-PWR8-NEXT:    vmrglh v0, v3, v3
-; CHECK-PWR8-NEXT:    vmrghh v3, v3, v3
-; CHECK-PWR8-NEXT:    vslw v5, v5, v4
-; CHECK-PWR8-NEXT:    vslw v2, v2, v4
-; CHECK-PWR8-NEXT:    vslw v0, v0, v4
-; CHECK-PWR8-NEXT:    vslw v3, v3, v4
-; CHECK-PWR8-NEXT:    vsraw v5, v5, v4
-; CHECK-PWR8-NEXT:    vsraw v2, v2, v4
-; CHECK-PWR8-NEXT:    vsraw v0, v0, v4
-; CHECK-PWR8-NEXT:    vsraw v3, v3, v4
-; CHECK-PWR8-NEXT:    xxlxor v4, v4, v4
-; CHECK-PWR8-NEXT:    vsubuwm v2, v2, v3
-; CHECK-PWR8-NEXT:    vsubuwm v3, v5, v0
-; CHECK-PWR8-NEXT:    vsubuwm v5, v4, v3
-; CHECK-PWR8-NEXT:    vsubuwm v4, v4, v2
-; CHECK-PWR8-NEXT:    vmaxsw v3, v3, v5
-; CHECK-PWR8-NEXT:    vmaxsw v2, v2, v4
-; CHECK-PWR8-NEXT:    vpkuwum v2, v2, v3
-; CHECK-PWR8-NEXT:    blr
-;
-; CHECK-PWR7-LABEL: sub_absv_16_ext:
-; CHECK-PWR7:       # %bb.0: # %entry
-; CHECK-PWR7-NEXT:    vspltisw v4, 8
-; CHECK-PWR7-NEXT:    vmrglh v5, v2, v2
-; CHECK-PWR7-NEXT:    vmrghh v2, v2, v2
-; CHECK-PWR7-NEXT:    vmrglh v0, v3, v3
-; CHECK-PWR7-NEXT:    vmrghh v3, v3, v3
-; CHECK-PWR7-NEXT:    vadduwm v4, v4, v4
-; CHECK-PWR7-NEXT:    vslw v5, v5, v4
-; CHECK-PWR7-NEXT:    vslw v2, v2, v4
-; CHECK-PWR7-NEXT:    vslw v0, v0, v4
-; CHECK-PWR7-NEXT:    vslw v3, v3, v4
-; CHECK-PWR7-NEXT:    vsraw v5, v5, v4
-; CHECK-PWR7-NEXT:    vsraw v2, v2, v4
-; CHECK-PWR7-NEXT:    vsraw v0, v0, v4
-; CHECK-PWR7-NEXT:    vsraw v3, v3, v4
-; CHECK-PWR7-NEXT:    xxlxor v4, v4, v4
-; CHECK-PWR7-NEXT:    vsubuwm v2, v2, v3
-; CHECK-PWR7-NEXT:    vsubuwm v3, v5, v0
-; CHECK-PWR7-NEXT:    vsubuwm v5, v4, v3
-; CHECK-PWR7-NEXT:    vsubuwm v4, v4, v2
-; CHECK-PWR7-NEXT:    vmaxsw v3, v3, v5
-; CHECK-PWR7-NEXT:    vmaxsw v2, v2, v4
-; CHECK-PWR7-NEXT:    vpkuwum v2, v2, v3
-; CHECK-PWR7-NEXT:    blr
+; 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>
@@ -1240,18 +1171,16 @@ entry:
 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:    xxlxor v4, v4, v4
-; CHECK-PWR9-LE-NEXT:    vmrglh v2, v4, v2
-; CHECK-PWR9-LE-NEXT:    vmrglh v3, v4, v3
-; CHECK-PWR9-LE-NEXT:    vabsduw v2, v2, v3
+; 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:    xxlxor v4, v4, v4
-; CHECK-PWR9-BE-NEXT:    vmrghh v2, v4, v2
-; CHECK-PWR9-BE-NEXT:    vmrghh v3, v4, v3
-; CHECK-PWR9-BE-NEXT:    vabsduw v2, v2, v3
+; 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:
@@ -1287,18 +1216,16 @@ define <4 x i32> @zext_sub_absd32(<4 x i16>, <4 x i16>) local_unnamed_addr {
 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:    xxlxor v4, v4, v4
-; CHECK-PWR9-LE-NEXT:    vmrglb v2, v4, v2
-; CHECK-PWR9-LE-NEXT:    vmrglb v3, v4, v3
-; CHECK-PWR9-LE-NEXT:    vabsduh v2, v2, v3
+; 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:    xxlxor v4, v4, v4
-; CHECK-PWR9-BE-NEXT:    vmrghb v2, v4, v2
-; CHECK-PWR9-BE-NEXT:    vmrghb v3, v4, v3
-; CHECK-PWR9-BE-NEXT:    vabsduh v2, v2, v3
+; 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:
@@ -1335,8 +1262,8 @@ 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 v2, v2, vs0
 ; 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
 ;
@@ -1361,24 +1288,20 @@ define <16 x i8> @zext_sub_absd8(<16 x i4>, <16 x i4>) local_unnamed_addr {
 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:    vmrglh v2, v2, v2
-; CHECK-PWR9-LE-NEXT:    vmrglh v3, v3, v3
-; CHECK-PWR9-LE-NEXT:    vextsh2w v2, v2
-; CHECK-PWR9-LE-NEXT:    vextsh2w v3, v3
-; CHECK-PWR9-LE-NEXT:    xvnegsp v3, v3
-; CHECK-PWR9-LE-NEXT:    xvnegsp v2, v2
-; CHECK-PWR9-LE-NEXT:    vabsduw v2, v2, v3
+; 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:    vmrghh v2, v2, v2
-; CHECK-PWR9-BE-NEXT:    vmrghh v3, v3, v3
-; CHECK-PWR9-BE-NEXT:    vextsh2w v2, v2
-; CHECK-PWR9-BE-NEXT:    vextsh2w v3, v3
-; CHECK-PWR9-BE-NEXT:    xvnegsp v3, v3
-; CHECK-PWR9-BE-NEXT:    xvnegsp v2, v2
-; CHECK-PWR9-BE-NEXT:    vabsduw v2, v2, v3
+; 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:
@@ -1423,32 +1346,20 @@ define <4 x i32> @sext_sub_absd32(<4 x i16>, <4 x i16>) local_unnamed_addr {
 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:    vmrglb v2, v2, v2
-; CHECK-PWR9-LE-NEXT:    vspltish v4, 8
-; CHECK-PWR9-LE-NEXT:    vmrglb v3, v3, v3
-; CHECK-PWR9-LE-NEXT:    vslh v2, v2, v4
-; CHECK-PWR9-LE-NEXT:    vslh v3, v3, v4
-; CHECK-PWR9-LE-NEXT:    vsrah v2, v2, v4
-; CHECK-PWR9-LE-NEXT:    vsrah v3, v3, v4
-; CHECK-PWR9-LE-NEXT:    vsubuhm v2, v2, v3
+; 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:    vsubuhm v3, v3, v2
-; CHECK-PWR9-LE-NEXT:    vmaxsh v2, v2, 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:    vmrghb v2, v2, v2
-; CHECK-PWR9-BE-NEXT:    vspltish v4, 8
-; CHECK-PWR9-BE-NEXT:    vmrghb v3, v3, v3
-; CHECK-PWR9-BE-NEXT:    vslh v2, v2, v4
-; CHECK-PWR9-BE-NEXT:    vslh v3, v3, v4
-; CHECK-PWR9-BE-NEXT:    vsrah v2, v2, v4
-; CHECK-PWR9-BE-NEXT:    vsrah v3, v3, v4
-; CHECK-PWR9-BE-NEXT:    vsubuhm v2, v2, v3
+; 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:    vsubuhm v3, v3, v2
-; CHECK-PWR9-BE-NEXT:    vmaxsh v2, v2, 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:
@@ -1492,14 +1403,13 @@ 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 v2, v2, v4
 ; CHECK-PWR9-NEXT:    vslb v3, v3, v4
-; CHECK-PWR9-NEXT:    vsrab v2, v2, v4
+; CHECK-PWR9-NEXT:    vslb v2, v2, v4
 ; CHECK-PWR9-NEXT:    vsrab v3, v3, v4
-; CHECK-PWR9-NEXT:    vsububm v2, v2, v3
-; CHECK-PWR9-NEXT:    xxlxor v3, v3, v3
-; CHECK-PWR9-NEXT:    vsububm v3, v3, v2
+; 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:
@@ -1532,10 +1442,9 @@ define <4 x i32> @absd_int32_ugt(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_ugt:
 ; 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, v2, v5, v4
+; 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
@@ -1552,11 +1461,9 @@ define <4 x i32> @absd_int32_uge(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_uge:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuw v4, v3, v2
-; CHECK-PWR78-NEXT:    xxlnor vs0, v4, v4
-; CHECK-PWR78-NEXT:    vsubuwm v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v4, vs0
+; 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
@@ -1573,10 +1480,9 @@ define <4 x i32> @absd_int32_ult(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_ult:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuw v4, v3, v2
-; 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:    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
@@ -1593,11 +1499,9 @@ define <4 x i32> @absd_int32_ule(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_ule:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuw v4, v2, v3
-; CHECK-PWR78-NEXT:    xxlnor vs0, v4, v4
-; CHECK-PWR78-NEXT:    vsubuwm v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v4, v2, vs0
+; 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
@@ -1614,10 +1518,9 @@ define <8 x i16> @absd_int16_ugt(<8 x i16>, <8 x i16>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int16_ugt:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuh v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1634,11 +1537,9 @@ define <8 x i16> @absd_int16_uge(<8 x i16>, <8 x i16>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int16_uge:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuh v4, v3, v2
-; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1655,10 +1556,9 @@ define <8 x i16> @absd_int16_ult(<8 x i16>, <8 x i16>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int16_ult:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuh v4, v3, v2
-; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1675,11 +1575,9 @@ define <8 x i16> @absd_int16_ule(<8 x i16>, <8 x i16>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int16_ule:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtuh v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuhm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsubuhm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
-; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1696,10 +1594,9 @@ define <16 x i8> @absd_int8_ugt(<16 x i8>, <16 x i8>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int8_ugt:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtub v4, v2, v3
-; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1716,11 +1613,9 @@ define <16 x i8> @absd_int8_uge(<16 x i8>, <16 x i8>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int8_uge:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtub v4, v3, v2
-; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1737,10 +1632,9 @@ define <16 x i8> @absd_int8_ult(<16 x i8>, <16 x i8>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int8_ult:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtub v4, v3, v2
-; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1757,11 +1651,9 @@ define <16 x i8> @absd_int8_ule(<16 x i8>, <16 x i8>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int8_ule:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtub v4, v2, v3
-; CHECK-PWR78-NEXT:    vsububm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsububm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxlnor v4, v4, v4
-; CHECK-PWR78-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1782,10 +1674,9 @@ define <4 x i32> @absd_int32_sgt(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_sgt:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtsw v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuwm v5, v2, v3
-; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1804,11 +1695,9 @@ define <4 x i32> @absd_int32_sge(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_sge:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtsw v4, v3, v2
-; CHECK-PWR78-NEXT:    xxlnor vs0, v4, v4
-; CHECK-PWR78-NEXT:    vsubuwm v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v2, v4, vs0
+; 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
@@ -1827,10 +1716,9 @@ define <4 x i32> @absd_int32_slt(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_slt:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtsw v4, v3, v2
-; 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:    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
@@ -1849,11 +1737,9 @@ define <4 x i32> @absd_int32_sle(<4 x i32>, <4 x i32>) {
 ;
 ; CHECK-PWR78-LABEL: absd_int32_sle:
 ; CHECK-PWR78:       # %bb.0:
-; CHECK-PWR78-NEXT:    vcmpgtsw v4, v2, v3
-; CHECK-PWR78-NEXT:    xxlnor vs0, v4, v4
-; CHECK-PWR78-NEXT:    vsubuwm v4, v2, v3
-; CHECK-PWR78-NEXT:    vsubuwm v2, v3, v2
-; CHECK-PWR78-NEXT:    xxsel v2, v4, v2, vs0
+; 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
@@ -1865,10 +1751,9 @@ define <4 x i32> @absd_int32_sle(<4 x i32>, <4 x i32>) {
 define <8 x i16> @absd_int16_sgt(<8 x i16>, <8 x i16>) {
 ; CHECK-LABEL: absd_int16_sgt:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsh v4, v2, v3
-; CHECK-NEXT:    vsubuhm v5, v2, v3
-; CHECK-NEXT:    vsubuhm v2, v3, v2
-; CHECK-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1880,11 +1765,9 @@ define <8 x i16> @absd_int16_sgt(<8 x i16>, <8 x i16>) {
 define <8 x i16> @absd_int16_sge(<8 x i16>, <8 x i16>) {
 ; CHECK-LABEL: absd_int16_sge:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsh v4, v3, v2
-; CHECK-NEXT:    vsubuhm v5, v2, v3
-; CHECK-NEXT:    vsubuhm v2, v3, v2
-; CHECK-NEXT:    xxlnor v4, v4, v4
-; CHECK-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1896,10 +1779,9 @@ define <8 x i16> @absd_int16_sge(<8 x i16>, <8 x i16>) {
 define <8 x i16> @absd_int16_slt(<8 x i16>, <8 x i16>) {
 ; CHECK-LABEL: absd_int16_slt:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsh v4, v3, v2
-; CHECK-NEXT:    vsubuhm v5, v2, v3
-; CHECK-NEXT:    vsubuhm v2, v3, v2
-; CHECK-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1911,11 +1793,9 @@ define <8 x i16> @absd_int16_slt(<8 x i16>, <8 x i16>) {
 define <8 x i16> @absd_int16_sle(<8 x i16>, <8 x i16>) {
 ; CHECK-LABEL: absd_int16_sle:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsh v4, v2, v3
-; CHECK-NEXT:    vsubuhm v5, v2, v3
-; CHECK-NEXT:    vsubuhm v2, v3, v2
-; CHECK-NEXT:    xxlnor v4, v4, v4
-; CHECK-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1927,10 +1807,9 @@ define <8 x i16> @absd_int16_sle(<8 x i16>, <8 x i16>) {
 define <16 x i8> @absd_int8_sgt(<16 x i8>, <16 x i8>) {
 ; CHECK-LABEL: absd_int8_sgt:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsb v4, v2, v3
-; CHECK-NEXT:    vsububm v5, v2, v3
-; CHECK-NEXT:    vsububm v2, v3, v2
-; CHECK-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1942,11 +1821,9 @@ define <16 x i8> @absd_int8_sgt(<16 x i8>, <16 x i8>) {
 define <16 x i8> @absd_int8_sge(<16 x i8>, <16 x i8>) {
 ; CHECK-LABEL: absd_int8_sge:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsb v4, v3, v2
-; CHECK-NEXT:    vsububm v5, v2, v3
-; CHECK-NEXT:    vsububm v2, v3, v2
-; CHECK-NEXT:    xxlnor v4, v4, v4
-; CHECK-NEXT:    xxsel v2, v2, v5, v4
+; 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
@@ -1958,10 +1835,9 @@ define <16 x i8> @absd_int8_sge(<16 x i8>, <16 x i8>) {
 define <16 x i8> @absd_int8_slt(<16 x i8>, <16 x i8>) {
 ; CHECK-LABEL: absd_int8_slt:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsb v4, v3, v2
-; CHECK-NEXT:    vsububm v5, v2, v3
-; CHECK-NEXT:    vsububm v2, v3, v2
-; CHECK-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -1973,11 +1849,9 @@ define <16 x i8> @absd_int8_slt(<16 x i8>, <16 x i8>) {
 define <16 x i8> @absd_int8_sle(<16 x i8>, <16 x i8>) {
 ; CHECK-LABEL: absd_int8_sle:
 ; CHECK:       # %bb.0:
-; CHECK-NEXT:    vcmpgtsb v4, v2, v3
-; CHECK-NEXT:    vsububm v5, v2, v3
-; CHECK-NEXT:    vsububm v2, v3, v2
-; CHECK-NEXT:    xxlnor v4, v4, v4
-; CHECK-NEXT:    xxsel v2, v5, v2, v4
+; 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
@@ -2006,53 +1880,55 @@ define <4 x i32> @absd_int32_ugt_opp(<4 x i32>, <4 x i32>) {
 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:    vcmpgtud v4, v2, v3
-; CHECK-PWR9-NEXT:    vsubudm v5, v2, v3
-; CHECK-PWR9-NEXT:    vsubudm v2, v3, v2
-; CHECK-PWR9-NEXT:    xxsel v2, v2, v5, v4
+; 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:    vcmpgtud v4, v2, v3
-; CHECK-PWR8-NEXT:    vsubudm v5, v2, v3
-; CHECK-PWR8-NEXT:    vsubudm v2, v3, v2
-; CHECK-PWR8-NEXT:    xxsel v2, v2, v5, v4
+; 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, -64
-; CHECK-PWR7-NEXT:    addi r4, r1, -80
-; CHECK-PWR7-NEXT:    li r5, 0
-; CHECK-PWR7-NEXT:    li r6, -1
+; 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:    stxvd2x v2, 0, r4
-; CHECK-PWR7-NEXT:    addi r9, r1, -16
-; CHECK-PWR7-NEXT:    ld r3, -56(r1)
+; CHECK-PWR7-NEXT:    ld r3, -88(r1)
 ; CHECK-PWR7-NEXT:    ld r4, -72(r1)
-; CHECK-PWR7-NEXT:    ld r8, -80(r1)
-; CHECK-PWR7-NEXT:    cmpld r4, r3
-; CHECK-PWR7-NEXT:    iselgt r7, r6, r5
-; CHECK-PWR7-NEXT:    std r7, -8(r1)
-; CHECK-PWR7-NEXT:    ld r7, -64(r1)
-; CHECK-PWR7-NEXT:    cmpld r8, r7
-; CHECK-PWR7-NEXT:    iselgt r5, r6, r5
-; CHECK-PWR7-NEXT:    std r5, -16(r1)
-; CHECK-PWR7-NEXT:    sub r5, r4, r3
+; 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:    lxvd2x v2, 0, r9
-; CHECK-PWR7-NEXT:    std r5, -40(r1)
-; CHECK-PWR7-NEXT:    sub r5, r8, r7
-; CHECK-PWR7-NEXT:    std r5, -48(r1)
-; CHECK-PWR7-NEXT:    addi r5, r1, -48
-; CHECK-PWR7-NEXT:    lxvd2x v3, 0, r5
-; CHECK-PWR7-NEXT:    std r3, -24(r1)
-; CHECK-PWR7-NEXT:    sub r3, r7, r8
-; CHECK-PWR7-NEXT:    std r3, -32(r1)
-; CHECK-PWR7-NEXT:    addi r3, r1, -32
-; CHECK-PWR7-NEXT:    lxvd2x v4, 0, r3
-; CHECK-PWR7-NEXT:    xxsel v2, v4, v3, v2
+; 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
diff --git a/llvm/test/CodeGen/PowerPC/vec-zext-abdu.ll b/llvm/test/CodeGen/PowerPC/vec-zext-abdu.ll
index 787b81f7f2098..32c28148df32e 100644
--- a/llvm/test/CodeGen/PowerPC/vec-zext-abdu.ll
+++ b/llvm/test/CodeGen/PowerPC/vec-zext-abdu.ll
@@ -1,31 +1,11 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 2
 ; RUN: llc -verify-machineinstrs -mtriple=powerpc64le -mcpu=pwr9 < %s | FileCheck %s
 
+; Widen to <16 x i8>
 define <12 x i8> @zext_abdu(<12 x i8> %a, <12 x i8> %b) {
 ; CHECK-LABEL: zext_abdu:
 ; CHECK:       # %bb.0: # %entry
-; CHECK-NEXT:    addis 3, 2, .LCPI0_0 at toc@ha
-; CHECK-NEXT:    xxlxor 36, 36, 36
-; CHECK-NEXT:    addi 3, 3, .LCPI0_0 at toc@l
-; CHECK-NEXT:    lxv 37, 0(3)
-; CHECK-NEXT:    addis 3, 2, .LCPI0_1 at toc@ha
-; CHECK-NEXT:    addi 3, 3, .LCPI0_1 at toc@l
-; CHECK-NEXT:    lxv 33, 0(3)
-; CHECK-NEXT:    addis 3, 2, .LCPI0_2 at toc@ha
-; CHECK-NEXT:    vperm 0, 4, 2, 5
-; CHECK-NEXT:    vperm 5, 4, 3, 5
-; CHECK-NEXT:    addi 3, 3, .LCPI0_2 at toc@l
-; CHECK-NEXT:    lxv 39, 0(3)
-; CHECK-NEXT:    vperm 6, 4, 2, 1
-; CHECK-NEXT:    vperm 1, 4, 3, 1
-; CHECK-NEXT:    vperm 2, 4, 2, 7
-; CHECK-NEXT:    vperm 3, 4, 3, 7
-; CHECK-NEXT:    vabsduw 4, 5, 0
-; CHECK-NEXT:    vabsduw 2, 3, 2
-; CHECK-NEXT:    vabsduw 3, 1, 6
-; CHECK-NEXT:    vpkuwum 3, 4, 3
-; CHECK-NEXT:    vpkuwum 2, 2, 2
-; CHECK-NEXT:    vpkuhum 2, 2, 3
+; CHECK-NEXT:    vabsdub 2, 2, 3
 ; CHECK-NEXT:    blr
 entry:
   %aa = zext <12 x i8> %a to <12 x i32>
diff --git a/llvm/test/CodeGen/RISCV/rvv/abd.ll b/llvm/test/CodeGen/RISCV/rvv/abd.ll
index ddbfbd0b59fa4..5e610c453e1ba 100644
--- a/llvm/test/CodeGen/RISCV/rvv/abd.ll
+++ b/llvm/test/CodeGen/RISCV/rvv/abd.ll
@@ -26,13 +26,9 @@ define <vscale x 16 x i8> @sabd_b_promoted_ops(<vscale x 16 x i1> %a, <vscale x
 ; CHECK-LABEL: sabd_b_promoted_ops:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma
-; CHECK-NEXT:    vmv.v.i v10, 0
-; CHECK-NEXT:    vmerge.vim v12, v10, -1, v0
-; CHECK-NEXT:    vmv1r.v v0, v8
-; CHECK-NEXT:    vmerge.vim v8, v10, -1, v0
-; CHECK-NEXT:    vmin.vv v10, v12, v8
-; CHECK-NEXT:    vmax.vv v8, v12, v8
-; CHECK-NEXT:    vsub.vv v8, v8, v10
+; CHECK-NEXT:    vmxor.mm v0, v0, v8
+; CHECK-NEXT:    vmv.v.i v8, 0
+; CHECK-NEXT:    vmerge.vim v8, v8, 1, v0
 ; CHECK-NEXT:    ret
   %a.sext = sext <vscale x 16 x i1> %a to <vscale x 16 x i8>
   %b.sext = sext <vscale x 16 x i1> %b to <vscale x 16 x i8>
@@ -158,13 +154,9 @@ define <vscale x 16 x i8> @uabd_b_promoted_ops(<vscale x 16 x i1> %a, <vscale x
 ; CHECK-LABEL: uabd_b_promoted_ops:
 ; CHECK:       # %bb.0:
 ; CHECK-NEXT:    vsetvli a0, zero, e8, m2, ta, ma
-; CHECK-NEXT:    vmv.v.i v10, 0
-; CHECK-NEXT:    vmerge.vim v12, v10, 1, v0
-; CHECK-NEXT:    vmv1r.v v0, v8
-; CHECK-NEXT:    vmerge.vim v8, v10, 1, v0
-; CHECK-NEXT:    vminu.vv v10, v12, v8
-; CHECK-NEXT:    vmaxu.vv v8, v12, v8
-; CHECK-NEXT:    vsub.vv v8, v8, v10
+; CHECK-NEXT:    vmxor.mm v0, v0, v8
+; CHECK-NEXT:    vmv.v.i v8, 0
+; CHECK-NEXT:    vmerge.vim v8, v8, 1, v0
 ; CHECK-NEXT:    ret
   %a.zext = zext <vscale x 16 x i1> %a to <vscale x 16 x i8>
   %b.zext = zext <vscale x 16 x i1> %b to <vscale x 16 x i8>
diff --git a/llvm/test/CodeGen/Thumb2/mve-vabdus.ll b/llvm/test/CodeGen/Thumb2/mve-vabdus.ll
index cfbecd14604a2..1279714b5a78c 100644
--- a/llvm/test/CodeGen/Thumb2/mve-vabdus.ll
+++ b/llvm/test/CodeGen/Thumb2/mve-vabdus.ll
@@ -171,8 +171,7 @@ define arm_aapcs_vfpcc <4 x i8> @vabd_v4u8(<4 x i8> %src1, <4 x i8> %src2) {
 ; CHECK-NEXT:    vmov.i32 q2, #0xff
 ; CHECK-NEXT:    vand q1, q1, q2
 ; CHECK-NEXT:    vand q0, q0, q2
-; CHECK-NEXT:    vsub.i32 q0, q0, q1
-; CHECK-NEXT:    vabs.s32 q0, q0
+; CHECK-NEXT:    vabd.u32 q0, q0, q1
 ; CHECK-NEXT:    bx lr
   %zextsrc1 = zext <4 x i8> %src1 to <4 x i16>
   %zextsrc2 = zext <4 x i8> %src2 to <4 x i16>
diff --git a/llvm/test/CodeGen/X86/abds.ll b/llvm/test/CodeGen/X86/abds.ll
index a80339427984a..f8245ba8953d3 100644
--- a/llvm/test/CodeGen/X86/abds.ll
+++ b/llvm/test/CodeGen/X86/abds.ll
@@ -282,27 +282,24 @@ define i32 @abd_ext_i32_undef(i32 %a, i32 %b) nounwind {
 define i64 @abd_ext_i64(i64 %a, i64 %b) nounwind {
 ; X86-LABEL: abd_ext_i64:
 ; X86:       # %bb.0:
+; X86-NEXT:    pushl %ebx
 ; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
-; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT:    movl %esi, %edi
-; X86-NEXT:    sarl $31, %edi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
-; X86-NEXT:    movl %edx, %ecx
-; X86-NEXT:    sarl $31, %ecx
-; X86-NEXT:    subl {{[0-9]+}}(%esp), %eax
-; X86-NEXT:    sbbl %esi, %edx
-; X86-NEXT:    movl %ecx, %esi
-; X86-NEXT:    sbbl %edi, %esi
-; X86-NEXT:    sbbl %edi, %ecx
-; X86-NEXT:    sarl $31, %ecx
-; X86-NEXT:    xorl %ecx, %edx
-; X86-NEXT:    xorl %ecx, %eax
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT:    movl %ecx, %edi
+; X86-NEXT:    subl %eax, %edi
+; X86-NEXT:    movl %esi, %ebx
+; X86-NEXT:    sbbl %edx, %ebx
 ; X86-NEXT:    subl %ecx, %eax
-; X86-NEXT:    sbbl %ecx, %edx
+; X86-NEXT:    sbbl %esi, %edx
+; X86-NEXT:    cmovll %edi, %eax
+; X86-NEXT:    cmovll %ebx, %edx
 ; X86-NEXT:    popl %esi
 ; X86-NEXT:    popl %edi
+; X86-NEXT:    popl %ebx
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: abd_ext_i64:
@@ -324,27 +321,24 @@ define i64 @abd_ext_i64(i64 %a, i64 %b) nounwind {
 define i64 @abd_ext_i64_undef(i64 %a, i64 %b) nounwind {
 ; X86-LABEL: abd_ext_i64_undef:
 ; X86:       # %bb.0:
+; X86-NEXT:    pushl %ebx
 ; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
-; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT:    movl %esi, %edi
-; X86-NEXT:    sarl $31, %edi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
-; X86-NEXT:    movl %edx, %ecx
-; X86-NEXT:    sarl $31, %ecx
-; X86-NEXT:    subl {{[0-9]+}}(%esp), %eax
-; X86-NEXT:    sbbl %esi, %edx
-; X86-NEXT:    movl %ecx, %esi
-; X86-NEXT:    sbbl %edi, %esi
-; X86-NEXT:    sbbl %edi, %ecx
-; X86-NEXT:    sarl $31, %ecx
-; X86-NEXT:    xorl %ecx, %edx
-; X86-NEXT:    xorl %ecx, %eax
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT:    movl %ecx, %edi
+; X86-NEXT:    subl %eax, %edi
+; X86-NEXT:    movl %esi, %ebx
+; X86-NEXT:    sbbl %edx, %ebx
 ; X86-NEXT:    subl %ecx, %eax
-; X86-NEXT:    sbbl %ecx, %edx
+; X86-NEXT:    sbbl %esi, %edx
+; X86-NEXT:    cmovll %edi, %eax
+; X86-NEXT:    cmovll %ebx, %edx
 ; X86-NEXT:    popl %esi
 ; X86-NEXT:    popl %edi
+; X86-NEXT:    popl %ebx
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: abd_ext_i64_undef:
@@ -454,7 +448,6 @@ define i32 @abd_minmax_i32(i32 %a, i32 %b) nounwind {
 define i64 @abd_minmax_i64(i64 %a, i64 %b) nounwind {
 ; X86-LABEL: abd_minmax_i64:
 ; X86:       # %bb.0:
-; X86-NEXT:    pushl %ebp
 ; X86-NEXT:    pushl %ebx
 ; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
@@ -462,24 +455,17 @@ define i64 @abd_minmax_i64(i64 %a, i64 %b) nounwind {
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT:    cmpl %eax, %ecx
-; X86-NEXT:    movl %esi, %edi
-; X86-NEXT:    sbbl %edx, %edi
-; X86-NEXT:    movl %edx, %edi
-; X86-NEXT:    cmovll %esi, %edi
-; X86-NEXT:    movl %eax, %ebx
-; X86-NEXT:    cmovll %ecx, %ebx
-; X86-NEXT:    cmpl %ecx, %eax
-; X86-NEXT:    movl %edx, %ebp
-; X86-NEXT:    sbbl %esi, %ebp
-; X86-NEXT:    cmovll %esi, %edx
-; X86-NEXT:    cmovll %ecx, %eax
-; X86-NEXT:    subl %ebx, %eax
-; X86-NEXT:    sbbl %edi, %edx
+; X86-NEXT:    movl %ecx, %edi
+; X86-NEXT:    subl %eax, %edi
+; X86-NEXT:    movl %esi, %ebx
+; X86-NEXT:    sbbl %edx, %ebx
+; X86-NEXT:    subl %ecx, %eax
+; X86-NEXT:    sbbl %esi, %edx
+; X86-NEXT:    cmovll %edi, %eax
+; X86-NEXT:    cmovll %ebx, %edx
 ; X86-NEXT:    popl %esi
 ; X86-NEXT:    popl %edi
 ; X86-NEXT:    popl %ebx
-; X86-NEXT:    popl %ebp
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: abd_minmax_i64:
diff --git a/llvm/test/CodeGen/X86/abdu.ll b/llvm/test/CodeGen/X86/abdu.ll
index 11719be4ab5cd..231b69fd7be18 100644
--- a/llvm/test/CodeGen/X86/abdu.ll
+++ b/llvm/test/CodeGen/X86/abdu.ll
@@ -280,21 +280,24 @@ define i32 @abd_ext_i32_undef(i32 %a, i32 %b) nounwind {
 define i64 @abd_ext_i64(i64 %a, i64 %b) nounwind {
 ; X86-LABEL: abd_ext_i64:
 ; X86:       # %bb.0:
+; X86-NEXT:    pushl %ebx
+; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
-; X86-NEXT:    xorl %ecx, %ecx
-; X86-NEXT:    subl {{[0-9]+}}(%esp), %eax
-; X86-NEXT:    sbbl {{[0-9]+}}(%esp), %edx
-; X86-NEXT:    movl $0, %esi
-; X86-NEXT:    sbbl %esi, %esi
-; X86-NEXT:    sbbl %ecx, %ecx
-; X86-NEXT:    sarl $31, %ecx
-; X86-NEXT:    xorl %ecx, %edx
-; X86-NEXT:    xorl %ecx, %eax
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT:    movl %ecx, %edi
+; X86-NEXT:    subl %eax, %edi
+; X86-NEXT:    movl %esi, %ebx
+; X86-NEXT:    sbbl %edx, %ebx
 ; X86-NEXT:    subl %ecx, %eax
-; X86-NEXT:    sbbl %ecx, %edx
+; X86-NEXT:    sbbl %esi, %edx
+; X86-NEXT:    cmovbl %edi, %eax
+; X86-NEXT:    cmovbl %ebx, %edx
 ; X86-NEXT:    popl %esi
+; X86-NEXT:    popl %edi
+; X86-NEXT:    popl %ebx
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: abd_ext_i64:
@@ -316,21 +319,24 @@ define i64 @abd_ext_i64(i64 %a, i64 %b) nounwind {
 define i64 @abd_ext_i64_undef(i64 %a, i64 %b) nounwind {
 ; X86-LABEL: abd_ext_i64_undef:
 ; X86:       # %bb.0:
+; X86-NEXT:    pushl %ebx
+; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %eax
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
-; X86-NEXT:    xorl %ecx, %ecx
-; X86-NEXT:    subl {{[0-9]+}}(%esp), %eax
-; X86-NEXT:    sbbl {{[0-9]+}}(%esp), %edx
-; X86-NEXT:    movl $0, %esi
-; X86-NEXT:    sbbl %esi, %esi
-; X86-NEXT:    sbbl %ecx, %ecx
-; X86-NEXT:    sarl $31, %ecx
-; X86-NEXT:    xorl %ecx, %edx
-; X86-NEXT:    xorl %ecx, %eax
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
+; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
+; X86-NEXT:    movl %ecx, %edi
+; X86-NEXT:    subl %eax, %edi
+; X86-NEXT:    movl %esi, %ebx
+; X86-NEXT:    sbbl %edx, %ebx
 ; X86-NEXT:    subl %ecx, %eax
-; X86-NEXT:    sbbl %ecx, %edx
+; X86-NEXT:    sbbl %esi, %edx
+; X86-NEXT:    cmovbl %edi, %eax
+; X86-NEXT:    cmovbl %ebx, %edx
 ; X86-NEXT:    popl %esi
+; X86-NEXT:    popl %edi
+; X86-NEXT:    popl %ebx
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: abd_ext_i64_undef:
@@ -440,7 +446,6 @@ define i32 @abd_minmax_i32(i32 %a, i32 %b) nounwind {
 define i64 @abd_minmax_i64(i64 %a, i64 %b) nounwind {
 ; X86-LABEL: abd_minmax_i64:
 ; X86:       # %bb.0:
-; X86-NEXT:    pushl %ebp
 ; X86-NEXT:    pushl %ebx
 ; X86-NEXT:    pushl %edi
 ; X86-NEXT:    pushl %esi
@@ -448,24 +453,17 @@ define i64 @abd_minmax_i64(i64 %a, i64 %b) nounwind {
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %edx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %ecx
 ; X86-NEXT:    movl {{[0-9]+}}(%esp), %esi
-; X86-NEXT:    cmpl %eax, %ecx
-; X86-NEXT:    movl %esi, %edi
-; X86-NEXT:    sbbl %edx, %edi
-; X86-NEXT:    movl %edx, %edi
-; X86-NEXT:    cmovbl %esi, %edi
-; X86-NEXT:    movl %eax, %ebx
-; X86-NEXT:    cmovbl %ecx, %ebx
-; X86-NEXT:    cmpl %ecx, %eax
-; X86-NEXT:    movl %edx, %ebp
-; X86-NEXT:    sbbl %esi, %ebp
-; X86-NEXT:    cmovbl %esi, %edx
-; X86-NEXT:    cmovbl %ecx, %eax
-; X86-NEXT:    subl %ebx, %eax
-; X86-NEXT:    sbbl %edi, %edx
+; X86-NEXT:    movl %ecx, %edi
+; X86-NEXT:    subl %eax, %edi
+; X86-NEXT:    movl %esi, %ebx
+; X86-NEXT:    sbbl %edx, %ebx
+; X86-NEXT:    subl %ecx, %eax
+; X86-NEXT:    sbbl %esi, %edx
+; X86-NEXT:    cmovbl %edi, %eax
+; X86-NEXT:    cmovbl %ebx, %edx
 ; X86-NEXT:    popl %esi
 ; X86-NEXT:    popl %edi
 ; X86-NEXT:    popl %ebx
-; X86-NEXT:    popl %ebp
 ; X86-NEXT:    retl
 ;
 ; X64-LABEL: abd_minmax_i64:



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