Index: llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
===================================================================
--- llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
+++ llvm/lib/Transforms/InstCombine/InstCombineSelect.cpp
@@ -1064,89 +1064,29 @@
   return &Sel;
 }
 
-/// There are many select variants for each of ABS/NABS.
-/// In matchSelectPattern(), there are different compare constants, compare
-/// predicates/operands and select operands.
-/// In isKnownNegation(), there are different formats of negated operands.
-/// Canonicalize all these variants to 1 pattern.
-/// This makes CSE more likely.
+/// Canonicalize select-based abs/nabs to llvm.abs() intrinsic.
 static Instruction *canonicalizeAbsNabs(SelectInst &Sel, ICmpInst &Cmp,
                                         InstCombinerImpl &IC) {
   if (!Cmp.hasOneUse() || !isa<Constant>(Cmp.getOperand(1)))
     return nullptr;
 
-  // Choose a sign-bit check for the compare (likely simpler for codegen).
-  // ABS:  (X <s 0) ? -X : X
-  // NABS: (X <s 0) ? X : -X
   Value *LHS, *RHS;
   SelectPatternFlavor SPF = matchSelectPattern(&Sel, LHS, RHS).Flavor;
   if (SPF != SelectPatternFlavor::SPF_ABS &&
       SPF != SelectPatternFlavor::SPF_NABS)
     return nullptr;
 
-  Value *TVal = Sel.getTrueValue();
-  Value *FVal = Sel.getFalseValue();
-  assert(isKnownNegation(TVal, FVal) &&
-         "Unexpected result from matchSelectPattern");
-
-  // The compare may use the negated abs()/nabs() operand, or it may use
-  // negation in non-canonical form such as: sub A, B.
-  bool CmpUsesNegatedOp = match(Cmp.getOperand(0), m_Neg(m_Specific(TVal))) ||
-                          match(Cmp.getOperand(0), m_Neg(m_Specific(FVal)));
-
-  bool CmpCanonicalized = !CmpUsesNegatedOp &&
-                          match(Cmp.getOperand(1), m_ZeroInt()) &&
-                          Cmp.getPredicate() == ICmpInst::ICMP_SLT;
-  bool RHSCanonicalized = match(RHS, m_Neg(m_Specific(LHS)));
-
-  // Is this already canonical?
-  if (CmpCanonicalized && RHSCanonicalized)
-    return nullptr;
-
-  // If RHS is not canonical but is used by other instructions, don't
-  // canonicalize it and potentially increase the instruction count.
-  if (!RHSCanonicalized)
-    if (!(RHS->hasOneUse() || (RHS->hasNUses(2) && CmpUsesNegatedOp)))
-      return nullptr;
+  bool IntMinIsPoison = match(RHS, m_NSWNeg(m_Specific(LHS)));
+  Constant *IntMinIsPoisonC =
+      ConstantInt::get(Type::getInt1Ty(Sel.getContext()), IntMinIsPoison);
+  Instruction *Abs =
+      IC.Builder.CreateBinaryIntrinsic(Intrinsic::abs, LHS, IntMinIsPoisonC);
 
-  // Create the canonical compare: icmp slt LHS 0.
-  if (!CmpCanonicalized) {
-    Cmp.setPredicate(ICmpInst::ICMP_SLT);
-    Cmp.setOperand(1, ConstantInt::getNullValue(Cmp.getOperand(0)->getType()));
-    if (CmpUsesNegatedOp)
-      Cmp.setOperand(0, LHS);
-  }
-
-  // Create the canonical RHS: RHS = sub (0, LHS).
-  if (!RHSCanonicalized) {
-    assert(RHS->hasOneUse() && "RHS use number is not right");
-    RHS = IC.Builder.CreateNeg(LHS);
-    if (TVal == LHS) {
-      // Replace false value.
-      IC.replaceOperand(Sel, 2, RHS);
-      FVal = RHS;
-    } else {
-      // Replace true value.
-      IC.replaceOperand(Sel, 1, RHS);
-      TVal = RHS;
-    }
-  }
+  if (SPF == SelectPatternFlavor::SPF_NABS)
+    return IntMinIsPoison ? BinaryOperator::CreateNSWNeg(Abs)
+                          : BinaryOperator::CreateNeg(Abs);
 
-  // If the select operands do not change, we're done.
-  if (SPF == SelectPatternFlavor::SPF_NABS) {
-    if (TVal == LHS)
-      return &Sel;
-    assert(FVal == LHS && "Unexpected results from matchSelectPattern");
-  } else {
-    if (FVal == LHS)
-      return &Sel;
-    assert(TVal == LHS && "Unexpected results from matchSelectPattern");
-  }
-
-  // We are swapping the select operands, so swap the metadata too.
-  Sel.swapValues();
-  Sel.swapProfMetadata();
-  return &Sel;
+  return IC.replaceInstUsesWith(Sel, Abs);
 }
 
 static Value *simplifyWithOpReplaced(Value *V, Value *Op, Value *ReplaceOp,
Index: llvm/test/Transforms/InstCombine/abs-1.ll
===================================================================
--- llvm/test/Transforms/InstCombine/abs-1.ll
+++ llvm/test/Transforms/InstCombine/abs-1.ll
@@ -12,10 +12,8 @@
 
 define i32 @test_abs(i32 %x) {
 ; CHECK-LABEL: @test_abs(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[NEG]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %ret = call i32 @abs(i32 %x)
   ret i32 %ret
@@ -23,10 +21,8 @@
 
 define i64 @test_labs(i64 %x) {
 ; CHECK-LABEL: @test_labs(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i64 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i64 0, [[X]]
-; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[TMP1]], i64 [[NEG]], i64 [[X]]
-; CHECK-NEXT:    ret i64 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i64 @llvm.abs.i64(i64 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i64 [[TMP1]]
 ;
   %ret = call i64 @labs(i64 %x)
   ret i64 %ret
@@ -34,10 +30,8 @@
 
 define i64 @test_llabs(i64 %x) {
 ; CHECK-LABEL: @test_llabs(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i64 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i64 0, [[X]]
-; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[TMP1]], i64 [[NEG]], i64 [[X]]
-; CHECK-NEXT:    ret i64 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i64 @llvm.abs.i64(i64 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i64 [[TMP1]]
 ;
   %ret = call i64 @llabs(i64 %x)
   ret i64 %ret
@@ -47,10 +41,8 @@
 
 define i8 @abs_canonical_1(i8 %x) {
 ; CHECK-LABEL: @abs_canonical_1(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i8 [[NEG]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %cmp = icmp sgt i8 %x, 0
   %neg = sub i8 0, %x
@@ -62,10 +54,8 @@
 
 define <2 x i8> @abs_canonical_2(<2 x i8> %x) {
 ; CHECK-LABEL: @abs_canonical_2(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i8> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[NEG:%.*]] = sub <2 x i8> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[NEG]], <2 x i8> [[X]]
-; CHECK-NEXT:    ret <2 x i8> [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret <2 x i8> [[TMP1]]
 ;
   %cmp = icmp sgt <2 x i8> %x, <i8 -1, i8 -1>
   %neg = sub <2 x i8> zeroinitializer, %x
@@ -77,10 +67,8 @@
 
 define <2 x i8> @abs_canonical_2_vec_undef_elts(<2 x i8> %x) {
 ; CHECK-LABEL: @abs_canonical_2_vec_undef_elts(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i8> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[NEG:%.*]] = sub <2 x i8> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[NEG]], <2 x i8> [[X]]
-; CHECK-NEXT:    ret <2 x i8> [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret <2 x i8> [[TMP1]]
 ;
   %cmp = icmp sgt <2 x i8> %x, <i8 undef, i8 -1>
   %neg = sub <2 x i8> zeroinitializer, %x
@@ -92,10 +80,8 @@
 
 define i8 @abs_canonical_3(i8 %x) {
 ; CHECK-LABEL: @abs_canonical_3(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i8 [[NEG]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %cmp = icmp slt i8 %x, 0
   %neg = sub nsw i8 0, %x
@@ -105,10 +91,8 @@
 
 define i8 @abs_canonical_4(i8 %x) {
 ; CHECK-LABEL: @abs_canonical_4(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i8 [[NEG]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %cmp = icmp slt i8 %x, 1
   %neg = sub i8 0, %x
@@ -118,11 +102,9 @@
 
 define i32 @abs_canonical_5(i8 %x) {
 ; CHECK-LABEL: @abs_canonical_5(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[CONV:%.*]] = sext i8 [[X]] to i32
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i32 0, [[CONV]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[NEG]], i32 [[CONV]]
-; CHECK-NEXT:    ret i32 [[ABS]]
+; CHECK-NEXT:    [[CONV:%.*]] = sext i8 [[X:%.*]] to i32
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[CONV]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i8 %x, 0
   %conv = sext i8 %x to i32
@@ -134,10 +116,8 @@
 define i32 @abs_canonical_6(i32 %a, i32 %b) {
 ; CHECK-LABEL: @abs_canonical_6(
 ; CHECK-NEXT:    [[T1:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[T1]], 0
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 0, [[T1]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[TMP1]], i32 [[T1]]
-; CHECK-NEXT:    ret i32 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[T1]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %t1 = sub i32 %a, %b
   %cmp = icmp sgt i32 %t1, -1
@@ -149,10 +129,8 @@
 define <2 x i8> @abs_canonical_7(<2 x i8> %a, <2 x i8 > %b) {
 ; CHECK-LABEL: @abs_canonical_7(
 ; CHECK-NEXT:    [[T1:%.*]] = sub <2 x i8> [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i8> [[T1]], zeroinitializer
-; CHECK-NEXT:    [[TMP1:%.*]] = sub <2 x i8> zeroinitializer, [[T1]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[TMP1]], <2 x i8> [[T1]]
-; CHECK-NEXT:    ret <2 x i8> [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[T1]], i1 false)
+; CHECK-NEXT:    ret <2 x i8> [[TMP1]]
 ;
 
   %t1 = sub <2 x i8> %a, %b
@@ -164,10 +142,8 @@
 
 define i32 @abs_canonical_8(i32 %a) {
 ; CHECK-LABEL: @abs_canonical_8(
-; CHECK-NEXT:    [[T:%.*]] = sub i32 0, [[A:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[T]], i32 [[A]]
-; CHECK-NEXT:    ret i32 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A:%.*]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %t = sub i32 0, %a
   %cmp = icmp slt i32 %t, 0
@@ -178,10 +154,9 @@
 define i32 @abs_canonical_9(i32 %a, i32 %b) {
 ; CHECK-LABEL: @abs_canonical_9(
 ; CHECK-NEXT:    [[T1:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[T1]], -1
 ; CHECK-NEXT:    [[T2:%.*]] = sub i32 [[B]], [[A]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[T1]], i32 [[T2]]
-; CHECK-NEXT:    [[ADD:%.*]] = add i32 [[ABS]], [[T2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[T1]], i1 false)
+; CHECK-NEXT:    [[ADD:%.*]] = add i32 [[TMP1]], [[T2]]
 ; CHECK-NEXT:    ret i32 [[ADD]]
 ;
   %t1 = sub i32 %a, %b
@@ -195,10 +170,8 @@
 define i32 @abs_canonical_10(i32 %a, i32 %b) {
 ; CHECK-LABEL: @abs_canonical_10(
 ; CHECK-NEXT:    [[T1:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[T1]], 0
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 0, [[T1]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[TMP1]], i32 [[T1]]
-; CHECK-NEXT:    ret i32 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[T1]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %t2 = sub i32 %b, %a
   %t1 = sub i32 %a, %b
@@ -211,9 +184,8 @@
 
 define i8 @nabs_canonical_1(i8 %x) {
 ; CHECK-LABEL: @nabs_canonical_1(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i8 [[X]], i8 [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub i8 0, [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[ABS]]
 ;
   %cmp = icmp sgt i8 %x, 0
@@ -226,9 +198,8 @@
 
 define <2 x i8> @nabs_canonical_2(<2 x i8> %x) {
 ; CHECK-LABEL: @nabs_canonical_2(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i8> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[NEG:%.*]] = sub <2 x i8> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[X]], <2 x i8> [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub <2 x i8> zeroinitializer, [[TMP1]]
 ; CHECK-NEXT:    ret <2 x i8> [[ABS]]
 ;
   %cmp = icmp sgt <2 x i8> %x, <i8 -1, i8 -1>
@@ -241,9 +212,8 @@
 
 define <2 x i8> @nabs_canonical_2_vec_undef_elts(<2 x i8> %x) {
 ; CHECK-LABEL: @nabs_canonical_2_vec_undef_elts(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i8> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[NEG:%.*]] = sub <2 x i8> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[X]], <2 x i8> [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub <2 x i8> zeroinitializer, [[TMP1]]
 ; CHECK-NEXT:    ret <2 x i8> [[ABS]]
 ;
   %cmp = icmp sgt <2 x i8> %x, <i8 -1, i8 undef>
@@ -256,9 +226,8 @@
 
 define i8 @nabs_canonical_3(i8 %x) {
 ; CHECK-LABEL: @nabs_canonical_3(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i8 [[X]], i8 [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[ABS:%.*]] = sub nsw i8 0, [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[ABS]]
 ;
   %cmp = icmp slt i8 %x, 0
@@ -269,9 +238,8 @@
 
 define i8 @nabs_canonical_4(i8 %x) {
 ; CHECK-LABEL: @nabs_canonical_4(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i8 [[X]], i8 [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub i8 0, [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[ABS]]
 ;
   %cmp = icmp slt i8 %x, 1
@@ -282,10 +250,9 @@
 
 define i32 @nabs_canonical_5(i8 %x) {
 ; CHECK-LABEL: @nabs_canonical_5(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[CONV:%.*]] = sext i8 [[X]] to i32
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i32 0, [[CONV]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[CONV]], i32 [[NEG]]
+; CHECK-NEXT:    [[CONV:%.*]] = sext i8 [[X:%.*]] to i32
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[CONV]], i1 true)
+; CHECK-NEXT:    [[ABS:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[ABS]]
 ;
   %cmp = icmp sgt i8 %x, 0
@@ -298,9 +265,8 @@
 define i32 @nabs_canonical_6(i32 %a, i32 %b) {
 ; CHECK-LABEL: @nabs_canonical_6(
 ; CHECK-NEXT:    [[T1:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[T1]], 0
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 0, [[T1]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[T1]], i32 [[TMP1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[T1]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[ABS]]
 ;
   %t1 = sub i32 %a, %b
@@ -313,9 +279,8 @@
 define <2 x i8> @nabs_canonical_7(<2 x i8> %a, <2 x i8 > %b) {
 ; CHECK-LABEL: @nabs_canonical_7(
 ; CHECK-NEXT:    [[T1:%.*]] = sub <2 x i8> [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i8> [[T1]], zeroinitializer
-; CHECK-NEXT:    [[TMP1:%.*]] = sub <2 x i8> zeroinitializer, [[T1]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[CMP]], <2 x i8> [[T1]], <2 x i8> [[TMP1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[T1]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub <2 x i8> zeroinitializer, [[TMP1]]
 ; CHECK-NEXT:    ret <2 x i8> [[ABS]]
 ;
   %t1 = sub <2 x i8> %a, %b
@@ -327,9 +292,8 @@
 
 define i32 @nabs_canonical_8(i32 %a) {
 ; CHECK-LABEL: @nabs_canonical_8(
-; CHECK-NEXT:    [[T:%.*]] = sub i32 0, [[A:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[A]], i32 [[T]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A:%.*]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[ABS]]
 ;
   %t = sub i32 0, %a
@@ -341,10 +305,9 @@
 define i32 @nabs_canonical_9(i32 %a, i32 %b) {
 ; CHECK-LABEL: @nabs_canonical_9(
 ; CHECK-NEXT:    [[T1:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp sgt i32 [[T1]], -1
 ; CHECK-NEXT:    [[T2:%.*]] = sub i32 [[B]], [[A]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[T2]], i32 [[T1]]
-; CHECK-NEXT:    [[ADD:%.*]] = add i32 [[T2]], [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[T1]], i1 false)
+; CHECK-NEXT:    [[ADD:%.*]] = sub i32 [[T2]], [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[ADD]]
 ;
   %t1 = sub i32 %a, %b
@@ -358,9 +321,8 @@
 define i32 @nabs_canonical_10(i32 %a, i32 %b) {
 ; CHECK-LABEL: @nabs_canonical_10(
 ; CHECK-NEXT:    [[T1:%.*]] = sub i32 [[A:%.*]], [[B:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[T1]], 0
-; CHECK-NEXT:    [[TMP1:%.*]] = sub i32 0, [[T1]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP]], i32 [[T1]], i32 [[TMP1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[T1]], i1 false)
+; CHECK-NEXT:    [[ABS:%.*]] = sub i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[ABS]]
 ;
   %t2 = sub i32 %b, %a
@@ -376,10 +338,8 @@
 
 define i8 @shifty_abs_commute0(i8 %x) {
 ; CHECK-LABEL: @shifty_abs_commute0(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[TMP1]], i8 [[TMP2]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %signbit = ashr i8 %x, 7
   %add = add i8 %signbit, %x
@@ -389,10 +349,8 @@
 
 define i8 @shifty_abs_commute0_nsw(i8 %x) {
 ; CHECK-LABEL: @shifty_abs_commute0_nsw(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub nsw i8 0, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[TMP1]], i8 [[TMP2]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %signbit = ashr i8 %x, 7
   %add = add nsw i8 %signbit, %x
@@ -417,10 +375,8 @@
 
 define <2 x i8> @shifty_abs_commute1(<2 x i8> %x) {
 ; CHECK-LABEL: @shifty_abs_commute1(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt <2 x i8> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[TMP2:%.*]] = sub <2 x i8> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[TMP1]], <2 x i8> [[TMP2]], <2 x i8> [[X]]
-; CHECK-NEXT:    ret <2 x i8> [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret <2 x i8> [[TMP1]]
 ;
   %signbit = ashr <2 x i8> %x, <i8 7, i8 7>
   %add = add <2 x i8> %signbit, %x
@@ -431,10 +387,8 @@
 define <2 x i8> @shifty_abs_commute2(<2 x i8> %x) {
 ; CHECK-LABEL: @shifty_abs_commute2(
 ; CHECK-NEXT:    [[Y:%.*]] = mul <2 x i8> [[X:%.*]], <i8 3, i8 3>
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt <2 x i8> [[Y]], zeroinitializer
-; CHECK-NEXT:    [[TMP2:%.*]] = sub <2 x i8> zeroinitializer, [[Y]]
-; CHECK-NEXT:    [[ABS:%.*]] = select <2 x i1> [[TMP1]], <2 x i8> [[TMP2]], <2 x i8> [[Y]]
-; CHECK-NEXT:    ret <2 x i8> [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[Y]], i1 false)
+; CHECK-NEXT:    ret <2 x i8> [[TMP1]]
 ;
   %y = mul <2 x i8> %x, <i8 3, i8 3>   ; extra op to thwart complexity-based canonicalization
   %signbit = ashr <2 x i8> %y, <i8 7, i8 7>
@@ -446,10 +400,8 @@
 define i8 @shifty_abs_commute3(i8 %x) {
 ; CHECK-LABEL: @shifty_abs_commute3(
 ; CHECK-NEXT:    [[Y:%.*]] = mul i8 [[X:%.*]], 3
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i8 [[Y]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub i8 0, [[Y]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[TMP1]], i8 [[TMP2]], i8 [[Y]]
-; CHECK-NEXT:    ret i8 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[Y]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %y = mul i8 %x, 3                    ; extra op to thwart complexity-based canonicalization
   %signbit = ashr i8 %y, 7
@@ -482,10 +434,8 @@
 
 define i8 @shifty_sub(i8 %x) {
 ; CHECK-LABEL: @shifty_sub(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub i8 0, [[X]]
-; CHECK-NEXT:    [[R:%.*]] = select i1 [[TMP1]], i8 [[TMP2]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[R]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %sh = ashr i8 %x, 7
   %xor = xor i8 %x, %sh
@@ -495,10 +445,8 @@
 
 define i8 @shifty_sub_nsw_commute(i8 %x) {
 ; CHECK-LABEL: @shifty_sub_nsw_commute(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i8 [[X:%.*]], 0
-; CHECK-NEXT:    [[TMP2:%.*]] = sub nsw i8 0, [[X]]
-; CHECK-NEXT:    [[R:%.*]] = select i1 [[TMP1]], i8 [[TMP2]], i8 [[X]]
-; CHECK-NEXT:    ret i8 [[R]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %sh = ashr i8 %x, 7
   %xor = xor i8 %sh, %x
@@ -532,10 +480,9 @@
 
 define i8 @negate_abs(i8 %x) {
 ; CHECK-LABEL: @negate_abs(
-; CHECK-NEXT:    [[N:%.*]] = sub i8 0, [[X:%.*]]
-; CHECK-NEXT:    [[C:%.*]] = icmp slt i8 [[X]], 0
-; CHECK-NEXT:    [[S:%.*]] = select i1 [[C]], i8 [[X]], i8 [[N]]
-; CHECK-NEXT:    ret i8 [[S]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[R:%.*]] = sub i8 0, [[TMP1]]
+; CHECK-NEXT:    ret i8 [[R]]
 ;
   %n = sub i8 0, %x
   %c = icmp slt i8 %x, 0
@@ -546,10 +493,8 @@
 
 define <2 x i8> @negate_nabs(<2 x i8> %x) {
 ; CHECK-LABEL: @negate_nabs(
-; CHECK-NEXT:    [[N:%.*]] = sub <2 x i8> zeroinitializer, [[X:%.*]]
-; CHECK-NEXT:    [[C:%.*]] = icmp slt <2 x i8> [[X]], zeroinitializer
-; CHECK-NEXT:    [[S:%.*]] = select <2 x i1> [[C]], <2 x i8> [[N]], <2 x i8> [[X]]
-; CHECK-NEXT:    ret <2 x i8> [[S]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i8> @llvm.abs.v2i8(<2 x i8> [[X:%.*]], i1 false)
+; CHECK-NEXT:    ret <2 x i8> [[TMP1]]
 ;
   %n = sub <2 x i8> zeroinitializer, %x
   %c = icmp slt <2 x i8> %x, zeroinitializer
@@ -573,9 +518,8 @@
 ; CHECK-LABEL: @abs_swapped(
 ; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
 ; CHECK-NEXT:    call void @extra_use(i8 [[NEG]])
-; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[NEG]], i8 [[A]]
-; CHECK-NEXT:    ret i8 [[M1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[A]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %neg = sub i8 0, %a
   call void @extra_use(i8 %neg)
@@ -588,8 +532,8 @@
 ; CHECK-LABEL: @nabs_swapped(
 ; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
 ; CHECK-NEXT:    call void @extra_use(i8 [[NEG]])
-; CHECK-NEXT:    [[CMP2:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M2:%.*]] = select i1 [[CMP2]], i8 [[A]], i8 [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[A]], i1 false)
+; CHECK-NEXT:    [[M2:%.*]] = sub i8 0, [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[M2]]
 ;
   %neg = sub i8 0, %a
@@ -603,9 +547,8 @@
 ; CHECK-LABEL: @abs_different_constants(
 ; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
 ; CHECK-NEXT:    call void @extra_use(i8 [[NEG]])
-; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[NEG]], i8 [[A]]
-; CHECK-NEXT:    ret i8 [[M1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[A]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %neg = sub i8 0, %a
   call void @extra_use(i8 %neg)
@@ -618,8 +561,8 @@
 ; CHECK-LABEL: @nabs_different_constants(
 ; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
 ; CHECK-NEXT:    call void @extra_use(i8 [[NEG]])
-; CHECK-NEXT:    [[CMP2:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M2:%.*]] = select i1 [[CMP2]], i8 [[A]], i8 [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[A]], i1 false)
+; CHECK-NEXT:    [[M2:%.*]] = sub i8 0, [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[M2]]
 ;
   %neg = sub i8 0, %a
@@ -636,10 +579,8 @@
 define i64 @infinite_loop_constant_expression_abs(i64 %arg) {
 ; CHECK-LABEL: @infinite_loop_constant_expression_abs(
 ; CHECK-NEXT:    [[T:%.*]] = sub i64 ptrtoint (i64* @g to i64), [[ARG:%.*]]
-; CHECK-NEXT:    [[T1:%.*]] = icmp slt i64 [[T]], 0
-; CHECK-NEXT:    [[T2:%.*]] = sub nsw i64 0, [[T]]
-; CHECK-NEXT:    [[T3:%.*]] = select i1 [[T1]], i64 [[T2]], i64 [[T]]
-; CHECK-NEXT:    ret i64 [[T3]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i64 @llvm.abs.i64(i64 [[T]], i1 true)
+; CHECK-NEXT:    ret i64 [[TMP1]]
 ;
   %t = sub i64 ptrtoint (i64* @g to i64), %arg
   %t1 = icmp slt i64 %t, 0
Index: llvm/test/Transforms/InstCombine/abs_abs.ll
===================================================================
--- llvm/test/Transforms/InstCombine/abs_abs.ll
+++ llvm/test/Transforms/InstCombine/abs_abs.ll
@@ -3,10 +3,8 @@
 
 define i32 @abs_abs_x01(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x01(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -19,10 +17,8 @@
 
 define <2 x i32> @abs_abs_x01_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @abs_abs_x01_vec(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[SUB]], <2 x i32> [[X]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret <2 x i32> [[TMP1]]
 ;
   %cmp = icmp sgt <2 x i32> %x, <i32 -1, i32 -1>
   %sub = sub nsw <2 x i32> zeroinitializer, %x
@@ -35,10 +31,8 @@
 
 define i32 @abs_abs_x02(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x02(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -51,10 +45,8 @@
 
 define i32 @abs_abs_x03(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x03(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -67,10 +59,8 @@
 
 define i32 @abs_abs_x04(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x04(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -83,10 +73,8 @@
 
 define <2 x i32> @abs_abs_x04_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @abs_abs_x04_vec(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X:%.*]], zeroinitializer
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[SUB]], <2 x i32> [[X]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret <2 x i32> [[TMP1]]
 ;
   %cmp = icmp slt <2 x i32> %x, <i32 1, i32 1>
   %sub = sub nsw <2 x i32> zeroinitializer, %x
@@ -99,10 +87,11 @@
 
 define i32 @abs_abs_x05(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x05(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[SUB16]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -115,10 +104,11 @@
 
 define i32 @abs_abs_x06(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x06(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[SUB16]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -131,10 +121,11 @@
 
 define i32 @abs_abs_x07(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x07(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[SUB16]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -147,10 +138,11 @@
 
 define i32 @abs_abs_x08(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x08(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[SUB16]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -163,10 +155,8 @@
 
 define i32 @abs_abs_x09(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x09(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -179,10 +169,8 @@
 
 define i32 @abs_abs_x10(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x10(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -195,10 +183,8 @@
 
 define i32 @abs_abs_x11(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x11(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -211,10 +197,8 @@
 
 define i32 @abs_abs_x12(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x12(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -227,10 +211,11 @@
 
 define i32 @abs_abs_x13(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x13(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[SUB9]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -243,10 +228,11 @@
 
 define i32 @abs_abs_x14(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x14(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[SUB9]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -259,10 +245,11 @@
 
 define i32 @abs_abs_x15(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x15(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[SUB9]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -275,10 +262,11 @@
 
 define i32 @abs_abs_x16(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x16(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[SUB9]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -292,10 +280,8 @@
 ; abs(abs(-x)) -> abs(-x) -> abs(x)
 define i32 @abs_abs_x17(i32 %x) {
 ; CHECK-LABEL: @abs_abs_x17(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X]], 0
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %sub = sub nsw i32 0, %x
   %cmp = icmp sgt i32 %sub, -1
@@ -310,10 +296,8 @@
 define i32 @abs_abs_x18(i32 %x, i32 %y) {
 ; CHECK-LABEL: @abs_abs_x18(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw i32 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[NEGA:%.*]] = sub i32 0, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[NEGA]], i32 [[A]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %a = sub nsw i32 %x, %y
   %b = sub nsw i32 %y, %x
@@ -328,10 +312,8 @@
 ; abs(abs(-x)) -> abs(-x) -> abs(x)
 define <2 x i32> @abs_abs_x02_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @abs_abs_x02_vec(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X]], zeroinitializer
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[SUB]], <2 x i32> [[X]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret <2 x i32> [[TMP1]]
 ;
   %sub = sub nsw <2 x i32> zeroinitializer, %x
   %cmp = icmp sgt <2 x i32> %sub, <i32 -1, i32 -1>
@@ -346,10 +328,8 @@
 define <2 x i32> @abs_abs_x03_vec(<2 x i32> %x, <2 x i32> %y) {
 ; CHECK-LABEL: @abs_abs_x03_vec(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw <2 x i32> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[A]], zeroinitializer
-; CHECK-NEXT:    [[NEGA:%.*]] = sub <2 x i32> zeroinitializer, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[NEGA]], <2 x i32> [[A]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[A]], i1 false)
+; CHECK-NEXT:    ret <2 x i32> [[TMP1]]
 ;
   %a = sub nsw <2 x i32> %x, %y
   %b = sub nsw <2 x i32> %y, %x
@@ -363,10 +343,11 @@
 
 define i32 @nabs_nabs_x01(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x01(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -379,10 +360,11 @@
 
 define i32 @nabs_nabs_x02(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x02(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -395,10 +377,11 @@
 
 define i32 @nabs_nabs_x03(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x03(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -411,10 +394,11 @@
 
 define i32 @nabs_nabs_x04(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x04(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -427,9 +411,8 @@
 
 define i32 @nabs_nabs_x05(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x05(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp sgt i32 %x, -1
@@ -443,9 +426,8 @@
 
 define i32 @nabs_nabs_x06(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x06(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp sgt i32 %x, 0
@@ -459,9 +441,8 @@
 
 define i32 @nabs_nabs_x07(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x07(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp slt i32 %x, 0
@@ -475,9 +456,8 @@
 
 define i32 @nabs_nabs_x08(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x08(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp slt i32 %x, 1
@@ -491,10 +471,11 @@
 
 define i32 @nabs_nabs_x09(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x09(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -507,10 +488,11 @@
 
 define i32 @nabs_nabs_x10(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x10(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -523,10 +505,11 @@
 
 define i32 @nabs_nabs_x11(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x11(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -539,10 +522,11 @@
 
 define i32 @nabs_nabs_x12(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x12(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -555,9 +539,8 @@
 
 define i32 @nabs_nabs_x13(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x13(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp sgt i32 %x, -1
@@ -571,9 +554,8 @@
 
 define i32 @nabs_nabs_x14(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x14(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp sgt i32 %x, 0
@@ -587,9 +569,8 @@
 
 define i32 @nabs_nabs_x15(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x15(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp slt i32 %x, 0
@@ -603,9 +584,8 @@
 
 define i32 @nabs_nabs_x16(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x16(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp slt i32 %x, 1
@@ -620,10 +600,11 @@
 ; nabs(nabs(-x)) -> nabs(-x) -> nabs(x)
 define i32 @nabs_nabs_x17(i32 %x) {
 ; CHECK-LABEL: @nabs_nabs_x17(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X]], 0
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[COND]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %sub = sub nsw i32 0, %x
   %cmp = icmp sgt i32 %sub, -1
@@ -638,10 +619,9 @@
 define i32 @nabs_nabs_x18(i32 %x, i32 %y) {
 ; CHECK-LABEL: @nabs_nabs_x18(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw i32 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[NEGA:%.*]] = sub i32 0, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[A]], i32 [[NEGA]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A]], i1 false)
+; CHECK-NEXT:    [[COND18:%.*]] = sub i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %a = sub nsw i32 %x, %y
   %b = sub nsw i32 %y, %x
@@ -656,10 +636,11 @@
 ; nabs(nabs(-x)) -> nabs(-x) -> nabs(x)
 define <2 x i32> @nabs_nabs_x01_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @nabs_nabs_x01_vec(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X]], zeroinitializer
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[X]], <2 x i32> [[SUB]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw <2 x i32> zeroinitializer, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq <2 x i32> [[X]], zeroinitializer
+; CHECK-NEXT:    [[COND18:%.*]] = select <2 x i1> [[CMP1]], <2 x i32> [[TMP1]], <2 x i32> [[COND]]
+; CHECK-NEXT:    ret <2 x i32> [[COND18]]
 ;
   %sub = sub nsw <2 x i32> zeroinitializer, %x
   %cmp = icmp sgt <2 x i32> %sub, <i32 -1, i32 -1>
@@ -674,10 +655,9 @@
 define <2 x i32> @nabs_nabs_x02_vec(<2 x i32> %x, <2 x i32> %y) {
 ; CHECK-LABEL: @nabs_nabs_x02_vec(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw <2 x i32> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[A]], zeroinitializer
-; CHECK-NEXT:    [[NEGA:%.*]] = sub <2 x i32> zeroinitializer, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[A]], <2 x i32> [[NEGA]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[A]], i1 false)
+; CHECK-NEXT:    [[COND18:%.*]] = sub <2 x i32> zeroinitializer, [[TMP1]]
+; CHECK-NEXT:    ret <2 x i32> [[COND18]]
 ;
   %a = sub nsw <2 x i32> %x, %y
   %b = sub nsw <2 x i32> %y, %x
@@ -691,10 +671,11 @@
 
 define i32 @abs_nabs_x01(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x01(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -707,10 +688,11 @@
 
 define i32 @abs_nabs_x02(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x02(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -723,10 +705,11 @@
 
 define i32 @abs_nabs_x03(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x03(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -739,10 +722,11 @@
 
 define i32 @abs_nabs_x04(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x04(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -755,10 +739,8 @@
 
 define i32 @abs_nabs_x05(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x05(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -771,10 +753,8 @@
 
 define i32 @abs_nabs_x06(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x06(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -787,10 +767,8 @@
 
 define i32 @abs_nabs_x07(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x07(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -803,10 +781,8 @@
 
 define i32 @abs_nabs_x08(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x08(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -819,10 +795,11 @@
 
 define i32 @abs_nabs_x09(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x09(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -835,10 +812,11 @@
 
 define i32 @abs_nabs_x10(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x10(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -851,10 +829,11 @@
 
 define i32 @abs_nabs_x11(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x11(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -867,10 +846,11 @@
 
 define i32 @abs_nabs_x12(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x12(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -883,10 +863,8 @@
 
 define i32 @abs_nabs_x13(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x13(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -899,10 +877,8 @@
 
 define i32 @abs_nabs_x14(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x14(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -915,10 +891,8 @@
 
 define i32 @abs_nabs_x15(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x15(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -931,10 +905,8 @@
 
 define i32 @abs_nabs_x16(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x16(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -948,10 +920,11 @@
 ; abs(nabs(-x)) -> abs(-x) -> abs(x)
 define i32 @abs_nabs_x17(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x17(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X]], 0
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 [[X]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[COND]], i32 [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %sub = sub nsw i32 0, %x
   %cmp = icmp sgt i32 %sub, -1
@@ -966,10 +939,8 @@
 define i32 @abs_nabs_x18(i32 %x, i32 %y) {
 ; CHECK-LABEL: @abs_nabs_x18(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw i32 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[NEGA:%.*]] = sub i32 0, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[NEGA]], i32 [[A]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %a = sub nsw i32 %x, %y
   %b = sub nsw i32 %y, %x
@@ -984,10 +955,11 @@
 ; abs(nabs(-x)) -> abs(-x) -> abs(x)
 define <2 x i32> @abs_nabs_x01_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @abs_nabs_x01_vec(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X]], zeroinitializer
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[SUB]], <2 x i32> [[X]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw <2 x i32> zeroinitializer, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq <2 x i32> [[X]], zeroinitializer
+; CHECK-NEXT:    [[COND18:%.*]] = select <2 x i1> [[CMP1]], <2 x i32> [[COND]], <2 x i32> [[TMP1]]
+; CHECK-NEXT:    ret <2 x i32> [[COND18]]
 ;
   %sub = sub nsw <2 x i32> zeroinitializer, %x
   %cmp = icmp sgt <2 x i32> %sub, <i32 -1, i32 -1>
@@ -1002,10 +974,8 @@
 define <2 x i32> @abs_nabs_x02_vec(<2 x i32> %x, <2 x i32> %y) {
 ; CHECK-LABEL: @abs_nabs_x02_vec(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw <2 x i32> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[A]], zeroinitializer
-; CHECK-NEXT:    [[NEGA:%.*]] = sub <2 x i32> zeroinitializer, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[NEGA]], <2 x i32> [[A]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[A]], i1 false)
+; CHECK-NEXT:    ret <2 x i32> [[TMP1]]
 ;
   %a = sub nsw <2 x i32> %x, %y
   %b = sub nsw <2 x i32> %y, %x
@@ -1019,10 +989,9 @@
 
 define i32 @nabs_abs_x01(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x01(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB9]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -1035,10 +1004,9 @@
 
 define i32 @nabs_abs_x02(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x02(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB9]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1051,10 +1019,9 @@
 
 define i32 @nabs_abs_x03(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x03(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB9]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1067,10 +1034,9 @@
 
 define i32 @nabs_abs_x04(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x04(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB9]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -1083,10 +1049,11 @@
 
 define i32 @nabs_abs_x05(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x05(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[SUB9]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -1099,10 +1066,11 @@
 
 define i32 @nabs_abs_x06(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x06(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[SUB9]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1115,10 +1083,11 @@
 
 define i32 @nabs_abs_x07(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x07(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[SUB9]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1131,10 +1100,11 @@
 
 define i32 @nabs_abs_x08(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x08(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1_NOT:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB9:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1_NOT]], i32 [[TMP1]], i32 [[SUB9]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -1147,10 +1117,9 @@
 
 define i32 @nabs_abs_x09(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x09(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB16]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -1163,10 +1132,9 @@
 
 define i32 @nabs_abs_x10(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x10(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB16]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1179,10 +1147,9 @@
 
 define i32 @nabs_abs_x11(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x11(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB16]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1195,10 +1162,9 @@
 
 define i32 @nabs_abs_x12(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x12(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB16]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -1211,10 +1177,11 @@
 
 define i32 @nabs_abs_x13(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x13(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[SUB16]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -1227,10 +1194,11 @@
 
 define i32 @nabs_abs_x14(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x14(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[SUB16]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1243,10 +1211,11 @@
 
 define i32 @nabs_abs_x15(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x15(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[SUB16]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 0
   %sub = sub nsw i32 0, %x
@@ -1259,10 +1228,11 @@
 
 define i32 @nabs_abs_x16(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x16(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X]]
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[TMP1]], i32 [[SUB16]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp slt i32 %x, 1
   %sub = sub nsw i32 0, %x
@@ -1276,10 +1246,9 @@
 ; nabs(abs(-x)) -> nabs(-x) -> nabs(x)
 define i32 @nabs_abs_x17(i32 %x) {
 ; CHECK-LABEL: @nabs_abs_x17(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[X]], 0
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[X]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[SUB16]]
 ;
   %sub = sub nsw i32 0, %x
   %cmp = icmp sgt i32 %sub, -1
@@ -1294,10 +1263,9 @@
 define i32 @nabs_abs_x18(i32 %x, i32 %y) {
 ; CHECK-LABEL: @nabs_abs_x18(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw i32 [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[NEGA:%.*]] = sub i32 0, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[CMP]], i32 [[A]], i32 [[NEGA]]
-; CHECK-NEXT:    ret i32 [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A]], i1 false)
+; CHECK-NEXT:    [[COND18:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %a = sub nsw i32 %x, %y
   %b = sub nsw i32 %y, %x
@@ -1312,10 +1280,9 @@
 ; nabs(abs(-x)) -> nabs(-x) -> nabs(x)
 define <2 x i32> @nabs_abs_x01_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @nabs_abs_x01_vec(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X]], zeroinitializer
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[X]], <2 x i32> [[SUB]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[SUB16:%.*]] = sub nsw <2 x i32> zeroinitializer, [[TMP1]]
+; CHECK-NEXT:    ret <2 x i32> [[SUB16]]
 ;
   %sub = sub nsw <2 x i32> zeroinitializer, %x
   %cmp = icmp sgt <2 x i32> %sub, <i32 -1, i32 -1>
@@ -1330,10 +1297,9 @@
 define <2 x i32> @nabs_abs_x02_vec(<2 x i32> %x, <2 x i32> %y) {
 ; CHECK-LABEL: @nabs_abs_x02_vec(
 ; CHECK-NEXT:    [[A:%.*]] = sub nsw <2 x i32> [[X:%.*]], [[Y:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[A]], zeroinitializer
-; CHECK-NEXT:    [[NEGA:%.*]] = sub <2 x i32> zeroinitializer, [[A]]
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[A]], <2 x i32> [[NEGA]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[A]], i1 false)
+; CHECK-NEXT:    [[COND18:%.*]] = sub nsw <2 x i32> zeroinitializer, [[TMP1]]
+; CHECK-NEXT:    ret <2 x i32> [[COND18]]
 ;
   %a = sub nsw <2 x i32> %x, %y
   %b = sub nsw <2 x i32> %y, %x
Index: llvm/test/Transforms/InstCombine/call-callconv.ll
===================================================================
--- llvm/test/Transforms/InstCombine/call-callconv.ll
+++ llvm/test/Transforms/InstCombine/call-callconv.ll
@@ -6,10 +6,8 @@
 
 define arm_aapcscc i32 @_abs(i32 %i) nounwind readnone {
 ; CHECK-LABEL: @_abs(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i32 [[I:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i32 0, [[I]]
-; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[NEG]], i32 [[I]]
-; CHECK-NEXT:    ret i32 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[I:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %call = tail call arm_aapcscc i32 @abs(i32 %i) nounwind readnone
   ret i32 %call
@@ -19,10 +17,8 @@
 
 define arm_aapcscc i32 @_labs(i32 %i) nounwind readnone {
 ; CHECK-LABEL: @_labs(
-; CHECK-NEXT:    [[TMP1:%.*]] = icmp slt i32 [[I:%.*]], 0
-; CHECK-NEXT:    [[NEG:%.*]] = sub nsw i32 0, [[I]]
-; CHECK-NEXT:    [[TMP2:%.*]] = select i1 [[TMP1]], i32 [[NEG]], i32 [[I]]
-; CHECK-NEXT:    ret i32 [[TMP2]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[I:%.*]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %call = tail call arm_aapcscc i32 @labs(i32 %i) nounwind readnone
   ret i32 %call
Index: llvm/test/Transforms/InstCombine/cttz-abs.ll
===================================================================
--- llvm/test/Transforms/InstCombine/cttz-abs.ll
+++ llvm/test/Transforms/InstCombine/cttz-abs.ll
@@ -105,10 +105,8 @@
 
 define i32 @cttz_abs_multiuse(i32 %x) {
 ; CHECK-LABEL: @cttz_abs_multiuse(
-; CHECK-NEXT:    [[C:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[S:%.*]] = sub i32 0, [[X]]
-; CHECK-NEXT:    [[D:%.*]] = select i1 [[C]], i32 [[S]], i32 [[X]]
-; CHECK-NEXT:    call void @use_abs(i32 [[D]])
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 false)
+; CHECK-NEXT:    call void @use_abs(i32 [[TMP1]])
 ; CHECK-NEXT:    [[R:%.*]] = tail call i32 @llvm.cttz.i32(i32 [[X]], i1 true), [[RNG0]]
 ; CHECK-NEXT:    ret i32 [[R]]
 ;
@@ -122,9 +120,8 @@
 
 define i32 @cttz_nabs_multiuse(i32 %x) {
 ; CHECK-LABEL: @cttz_nabs_multiuse(
-; CHECK-NEXT:    [[C:%.*]] = icmp slt i32 [[X:%.*]], 0
-; CHECK-NEXT:    [[S:%.*]] = sub i32 0, [[X]]
-; CHECK-NEXT:    [[D:%.*]] = select i1 [[C]], i32 [[X]], i32 [[S]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 false)
+; CHECK-NEXT:    [[D:%.*]] = sub i32 0, [[TMP1]]
 ; CHECK-NEXT:    call void @use_abs(i32 [[D]])
 ; CHECK-NEXT:    [[R:%.*]] = tail call i32 @llvm.cttz.i32(i32 [[X]], i1 true), [[RNG0]]
 ; CHECK-NEXT:    ret i32 [[R]]
Index: llvm/test/Transforms/InstCombine/icmp.ll
===================================================================
--- llvm/test/Transforms/InstCombine/icmp.ll
+++ llvm/test/Transforms/InstCombine/icmp.ll
@@ -2996,10 +2996,8 @@
 ; CHECK-NEXT:    [[CONV:%.*]] = zext i8 [[A:%.*]] to i32
 ; CHECK-NEXT:    [[CONV3:%.*]] = zext i8 [[B:%.*]] to i32
 ; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 [[CONV]], [[CONV3]]
-; CHECK-NEXT:    [[CMP4:%.*]] = icmp slt i32 [[SUB]], 0
-; CHECK-NEXT:    [[SUB7:%.*]] = sub nsw i32 0, [[SUB]]
-; CHECK-NEXT:    [[SUB7_SUB:%.*]] = select i1 [[CMP4]], i32 [[SUB7]], i32 [[SUB]]
-; CHECK-NEXT:    ret i32 [[SUB7_SUB]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[SUB]], i1 true)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %conv = zext i8 %a to i32
   %conv3 = zext i8 %b to i32
@@ -3645,10 +3643,8 @@
 define i32 @abs_preserve(i32 %x) {
 ; CHECK-LABEL: @abs_preserve(
 ; CHECK-NEXT:    [[A:%.*]] = shl nsw i32 [[X:%.*]], 1
-; CHECK-NEXT:    [[C:%.*]] = icmp slt i32 [[A]], 0
-; CHECK-NEXT:    [[NEGA:%.*]] = sub i32 0, [[A]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[C]], i32 [[NEGA]], i32 [[A]]
-; CHECK-NEXT:    ret i32 [[ABS]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[A]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
   %a = mul nsw i32 %x, 2
   %c = icmp sge i32 %a, 0
@@ -3686,10 +3682,8 @@
 ; fold (icmp pred (sub (0, X)) C1) for vec type
 define <2 x i32> @Op1Negated_Vec(<2 x i32> %x) {
 ; CHECK-LABEL: @Op1Negated_Vec(
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, [[X:%.*]]
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> [[X]], zeroinitializer
-; CHECK-NEXT:    [[COND:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[SUB]], <2 x i32> [[X]]
-; CHECK-NEXT:    ret <2 x i32> [[COND]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    ret <2 x i32> [[TMP1]]
 ;
   %sub = sub nsw <2 x i32> zeroinitializer, %x
   %cmp = icmp sgt <2 x i32> %sub, <i32 -1, i32 -1>
Index: llvm/test/Transforms/InstCombine/max-of-nots.ll
===================================================================
--- llvm/test/Transforms/InstCombine/max-of-nots.ll
+++ llvm/test/Transforms/InstCombine/max-of-nots.ll
@@ -240,12 +240,10 @@
 ; CHECK-LABEL: @abs_of_min_of_not(
 ; CHECK-NEXT:    [[XORD:%.*]] = xor i32 [[X:%.*]], -1
 ; CHECK-NEXT:    [[YADD:%.*]] = add i32 [[Y:%.*]], 2
-; CHECK-NEXT:    [[COND_I:%.*]] = icmp slt i32 [[YADD]], [[XORD]]
-; CHECK-NEXT:    [[MIN:%.*]] = select i1 [[COND_I]], i32 [[YADD]], i32 [[XORD]]
-; CHECK-NEXT:    [[CMP2:%.*]] = icmp slt i32 [[MIN]], 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub i32 0, [[MIN]]
-; CHECK-NEXT:    [[ABS:%.*]] = select i1 [[CMP2]], i32 [[SUB]], i32 [[MIN]]
-; CHECK-NEXT:    ret i32 [[ABS]]
+; CHECK-NEXT:    [[COND_I_NOT:%.*]] = icmp slt i32 [[YADD]], [[XORD]]
+; CHECK-NEXT:    [[MIN:%.*]] = select i1 [[COND_I_NOT]], i32 [[YADD]], i32 [[XORD]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[MIN]], i1 false)
+; CHECK-NEXT:    ret i32 [[TMP1]]
 ;
 
   %xord = xor i32 %x, -1
Index: llvm/test/Transforms/InstCombine/select_meta.ll
===================================================================
--- llvm/test/Transforms/InstCombine/select_meta.ll
+++ llvm/test/Transforms/InstCombine/select_meta.ll
@@ -104,10 +104,11 @@
 
 define i32 @abs_nabs_x01(i32 %x) {
 ; CHECK-LABEL: @abs_nabs_x01(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt i32 %x, 0
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw i32 0, %x
-; CHECK-NEXT:    [[COND1:%.*]] = select i1 [[CMP]], i32 [[SUB]], i32 %x, !prof ![[$MD3:[0-9]+]]
-; CHECK-NEXT:    ret i32 [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i32 @llvm.abs.i32(i32 [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw i32 0, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq i32 [[X]], 0
+; CHECK-NEXT:    [[COND18:%.*]] = select i1 [[CMP1]], i32 [[COND]], i32 [[TMP1]], !prof !1
+; CHECK-NEXT:    ret i32 [[COND18]]
 ;
   %cmp = icmp sgt i32 %x, -1
   %sub = sub nsw i32 0, %x
@@ -122,10 +123,11 @@
 
 define <2 x i32> @abs_nabs_x01_vec(<2 x i32> %x) {
 ; CHECK-LABEL: @abs_nabs_x01_vec(
-; CHECK-NEXT:    [[CMP:%.*]] = icmp slt <2 x i32> %x, zeroinitializer
-; CHECK-NEXT:    [[SUB:%.*]] = sub nsw <2 x i32> zeroinitializer, %x
-; CHECK-NEXT:    [[COND1:%.*]] = select <2 x i1> [[CMP]], <2 x i32> [[SUB]], <2 x i32> %x, !prof ![[$MD3]]
-; CHECK-NEXT:    ret <2 x i32> [[COND1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call <2 x i32> @llvm.abs.v2i32(<2 x i32> [[X:%.*]], i1 true)
+; CHECK-NEXT:    [[COND:%.*]] = sub nsw <2 x i32> zeroinitializer, [[TMP1]]
+; CHECK-NEXT:    [[CMP1:%.*]] = icmp eq <2 x i32> [[X]], zeroinitializer
+; CHECK-NEXT:    [[COND18:%.*]] = select <2 x i1> [[CMP1]], <2 x i32> [[COND]], <2 x i32> [[TMP1]], !prof !1
+; CHECK-NEXT:    ret <2 x i32> [[COND18]]
 ;
   %cmp = icmp sgt <2 x i32> %x, <i32 -1, i32 -1>
   %sub = sub nsw <2 x i32> zeroinitializer, %x
@@ -154,7 +156,7 @@
 define i32 @test70(i32 %x) {
 ; CHECK-LABEL: @test70(
 ; CHECK-NEXT:    [[TMP1:%.*]] = icmp sgt i32 %x, 75
-; CHECK-NEXT:    [[COND:%.*]] = select i1 [[TMP1]], i32 %x, i32 75, !prof ![[$MD3]]
+; CHECK-NEXT:    [[COND:%.*]] = select i1 [[TMP1]], i32 %x, i32 75, !prof ![[$MD3:[0-9]+]]
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
   %cmp = icmp slt i32 %x, 75
Index: llvm/test/Transforms/InstCombine/sub-of-negatible.ll
===================================================================
--- llvm/test/Transforms/InstCombine/sub-of-negatible.ll
+++ llvm/test/Transforms/InstCombine/sub-of-negatible.ll
@@ -1155,9 +1155,8 @@
 ; CHECK-LABEL: @negate_abs(
 ; CHECK-NEXT:    [[T0:%.*]] = sub i8 0, [[X:%.*]]
 ; CHECK-NEXT:    call void @use8(i8 [[T0]])
-; CHECK-NEXT:    [[T1:%.*]] = icmp slt i8 [[X]], 0
-; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[T1]], i8 [[X]], i8 [[T0]], !prof !0
-; CHECK-NEXT:    [[T3:%.*]] = add i8 [[TMP1]], [[Y:%.*]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X]], i1 false)
+; CHECK-NEXT:    [[T3:%.*]] = sub i8 [[Y:%.*]], [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[T3]]
 ;
   %t0 = sub i8 0, %x
@@ -1171,8 +1170,7 @@
 ; CHECK-LABEL: @negate_nabs(
 ; CHECK-NEXT:    [[T0:%.*]] = sub i8 0, [[X:%.*]]
 ; CHECK-NEXT:    call void @use8(i8 [[T0]])
-; CHECK-NEXT:    [[T1:%.*]] = icmp slt i8 [[X]], 0
-; CHECK-NEXT:    [[TMP1:%.*]] = select i1 [[T1]], i8 [[T0]], i8 [[X]], !prof !0
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[X]], i1 false)
 ; CHECK-NEXT:    [[T3:%.*]] = add i8 [[TMP1]], [[Y:%.*]]
 ; CHECK-NEXT:    ret i8 [[T3]]
 ;
Index: llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
===================================================================
--- llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
+++ llvm/test/Transforms/PhaseOrdering/X86/vector-reductions.ll
@@ -71,12 +71,10 @@
 ; CHECK-NEXT:    [[TMP2:%.*]] = bitcast i32* [[VEC1:%.*]] to <4 x i32>*
 ; CHECK-NEXT:    [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP2]], align 4
 ; CHECK-NEXT:    [[TMP4:%.*]] = sub nsw <4 x i32> [[TMP1]], [[TMP3]]
-; CHECK-NEXT:    [[TMP5:%.*]] = icmp slt <4 x i32> [[TMP4]], zeroinitializer
-; CHECK-NEXT:    [[TMP6:%.*]] = sub nsw <4 x i32> zeroinitializer, [[TMP4]]
-; CHECK-NEXT:    [[TMP7:%.*]] = select <4 x i1> [[TMP5]], <4 x i32> [[TMP6]], <4 x i32> [[TMP4]]
-; CHECK-NEXT:    [[TMP8:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP7]])
-; CHECK-NEXT:    [[CMP5:%.*]] = icmp sle i32 [[TMP8]], [[TOLERANCE:%.*]]
-; CHECK-NEXT:    [[COND6:%.*]] = zext i1 [[CMP5]] to i32
+; CHECK-NEXT:    [[TMP5:%.*]] = call <4 x i32> @llvm.abs.v4i32(<4 x i32> [[TMP4]], i1 true)
+; CHECK-NEXT:    [[TMP6:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP5]])
+; CHECK-NEXT:    [[CMP5_NOT:%.*]] = icmp sle i32 [[TMP6]], [[TOLERANCE:%.*]]
+; CHECK-NEXT:    [[COND6:%.*]] = zext i1 [[CMP5_NOT]] to i32
 ; CHECK-NEXT:    ret i32 [[COND6]]
 ;
 entry:
@@ -134,8 +132,8 @@
 ; CHECK-NEXT:    [[TMP3:%.*]] = load <4 x i32>, <4 x i32>* [[TMP2]], align 4
 ; CHECK-NEXT:    [[TMP4:%.*]] = sub <4 x i32> [[TMP1]], [[TMP3]]
 ; CHECK-NEXT:    [[TMP5:%.*]] = call i32 @llvm.experimental.vector.reduce.add.v4i32(<4 x i32> [[TMP4]])
-; CHECK-NEXT:    [[CMP3:%.*]] = icmp ule i32 [[TMP5]], [[TOLERANCE:%.*]]
-; CHECK-NEXT:    [[COND:%.*]] = zext i1 [[CMP3]] to i32
+; CHECK-NEXT:    [[CMP3_NOT:%.*]] = icmp ule i32 [[TMP5]], [[TOLERANCE:%.*]]
+; CHECK-NEXT:    [[COND:%.*]] = zext i1 [[CMP3_NOT]] to i32
 ; CHECK-NEXT:    ret i32 [[COND]]
 ;
 entry:
Index: llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll
===================================================================
--- llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll
+++ llvm/test/Transforms/PhaseOrdering/min-max-abs-cse.ll
@@ -33,10 +33,8 @@
 
 define i8 @abs_swapped(i8 %a) {
 ; CHECK-LABEL: @abs_swapped(
-; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
-; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[NEG]], i8 [[A]]
-; CHECK-NEXT:    ret i8 [[M1]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[A:%.*]], i1 false)
+; CHECK-NEXT:    ret i8 [[TMP1]]
 ;
   %neg = sub i8 0, %a
   %cmp1 = icmp sgt i8 %a, 0
@@ -81,9 +79,8 @@
 
 define i8 @nabs_different_constants(i8 %a) {
 ; CHECK-LABEL: @nabs_different_constants(
-; CHECK-NEXT:    [[NEG:%.*]] = sub i8 0, [[A:%.*]]
-; CHECK-NEXT:    [[CMP1:%.*]] = icmp slt i8 [[A]], 0
-; CHECK-NEXT:    [[M1:%.*]] = select i1 [[CMP1]], i8 [[A]], i8 [[NEG]]
+; CHECK-NEXT:    [[TMP1:%.*]] = call i8 @llvm.abs.i8(i8 [[A:%.*]], i1 false)
+; CHECK-NEXT:    [[M1:%.*]] = sub i8 0, [[TMP1]]
 ; CHECK-NEXT:    ret i8 [[M1]]
 ;
   %neg = sub i8 0, %a