[llvm] [PowerPC] Exploit xxeval instruction for operations of the form ternary(A,X, XOR(B,C)) and ternary(A,X, OR(B,C)) (PR #157909)

Tony Varghese via llvm-commits llvm-commits at lists.llvm.org
Mon Sep 22 04:21:48 PDT 2025


https://github.com/tonykuttai updated https://github.com/llvm/llvm-project/pull/157909

>From 6f852c3714504baa36b58db9a419bc9d80fb0e29 Mon Sep 17 00:00:00 2001
From: Tony Varghese <tony.varghese at ibm.com>
Date: Wed, 10 Sep 2025 17:14:33 +0000
Subject: [PATCH 1/2] Exploit xxeval instruction for operations of the form
 ternary(A, X, XOR(B,C)) and ternary(A, X, OR(B,C))

---
 llvm/lib/Target/PowerPC/PPCInstrP10.td        |  89 ++++++++++++++-
 .../CodeGen/PowerPC/xxeval-vselect-x-or.ll    | 106 +++++-------------
 .../CodeGen/PowerPC/xxeval-vselect-x-xor.ll   |  74 ++++--------
 3 files changed, 138 insertions(+), 131 deletions(-)

diff --git a/llvm/lib/Target/PowerPC/PPCInstrP10.td b/llvm/lib/Target/PowerPC/PPCInstrP10.td
index 149a44ddfc10c..8ee9cc952dec6 100644
--- a/llvm/lib/Target/PowerPC/PPCInstrP10.td
+++ b/llvm/lib/Target/PowerPC/PPCInstrP10.td
@@ -2326,6 +2326,91 @@ multiclass XXEvalTernarySelectC<ValueType Vt>{
   def : XXEvalPattern<Vt, (vselect Vt:$vA, (VNand Vt:$vB, Vt:$vC), Vt:$vC), 94>;
 }
 
+// =============================================================================
+// XXEVAL Ternary Pattern Multiclass: XXEvalTernarySelectXor
+// This class matches the equivalent Ternary Operation: A ? f(B,C) : XOR(B,C)
+// and emit the corresponding xxeval instruction with the imm value.
+//
+// The patterns implement xxeval vector select operations where:
+// - A is the selector vector
+// - f(B,C) is the "true" case op in set {B, C, AND(B,C), OR(B,C), NOR(B,C)} 
+// - XOR(B,C) is the "false" case op on vectors B and C
+// =============================================================================
+multiclass XXEvalTernarySelectXor<ValueType Vt> {
+  // Pattern: A ? AND(B,C) : XOR(B,C) XXEVAL immediate value: 97
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VAnd Vt:$vB, Vt:$vC), (VXor Vt:$vB, Vt:$vC)),
+            97>;
+  
+  // Pattern: A ? B : XOR(B,C) XXEVAL immediate value: 99
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, Vt:$vB, (VXor Vt:$vB, Vt:$vC)),
+            99>;
+  
+  // Pattern: A ? C : XOR(B,C) XXEVAL immediate value: 101
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, Vt:$vC, (VXor Vt:$vB, Vt:$vC)),
+            101>;
+  
+  // Pattern: A ? OR(B,C) : XOR(B,C) XXEVAL immediate value: 103
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VOr Vt:$vB, Vt:$vC), (VXor Vt:$vB, Vt:$vC)),
+            103>;
+  
+  // Pattern: A ? NOR(B,C) : XOR(B,C) XXEVAL immediate value: 104
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VNor Vt:$vB, Vt:$vC), (VXor Vt:$vB, Vt:$vC)),
+            104>;
+}
+
+// =============================================================================
+// XXEVAL Ternary Pattern Multiclass: XXEvalTernarySelectOr
+// This class matches the equivalent Ternary Operation: A ? f(B,C) : OR(B,C)
+// and emit the corresponding xxeval instruction with the imm value.
+//
+// The patterns implement xxeval vector select operations where:
+// - A is the selector vector
+// - f(B,C) is the "true" case op in set {B, C, AND(B,C), EQV(B,C), NOT(B), 
+//   NOT(C), NAND(B,C)} 
+// - OR(B,C) is the "false" case op on vectors B and C
+// =============================================================================
+multiclass XXEvalTernarySelectOr<ValueType Vt> {
+  // Pattern: A ? AND(B,C) : OR(B,C) XXEVAL immediate value: 113
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VAnd Vt:$vB, Vt:$vC), (VOr Vt:$vB, Vt:$vC)),
+            113>;
+  
+  // Pattern: A ? B : OR(B,C) XXEVAL immediate value: 115
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, Vt:$vB, (VOr Vt:$vB, Vt:$vC)),
+            115>;
+  
+  // Pattern: A ? C : OR(B,C) XXEVAL immediate value: 117
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, Vt:$vC, (VOr Vt:$vB, Vt:$vC)),
+            117>;
+  
+  // Pattern: A ? EQV(B,C) : OR(B,C) XXEVAL immediate value: 121
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VEqv Vt:$vB, Vt:$vC), (VOr Vt:$vB, Vt:$vC)),
+            121>;
+  
+  // Pattern: A ? NOT(C) : OR(B,C) XXEVAL immediate value: 122
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VNot Vt:$vC), (VOr Vt:$vB, Vt:$vC)),
+            122>;
+  
+  // Pattern: A ? NOT(B) : OR(B,C) XXEVAL immediate value: 124
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VNot Vt:$vB), (VOr Vt:$vB, Vt:$vC)),
+            124>;
+  
+  // Pattern: A ? NAND(B,C) : OR(B,C) XXEVAL immediate value: 126
+  def : XXEvalPattern<
+            Vt, (vselect Vt:$vA, (VNand Vt:$vB, Vt:$vC), (VOr Vt:$vB, Vt:$vC)),
+            126>;
+}
+
 let Predicates = [PrefixInstrs, HasP10Vector] in {
   let AddedComplexity = 400 in {
     def : Pat<(v4i32 (build_vector i32immNonAllOneNonZero:$A,
@@ -2438,7 +2523,9 @@ let Predicates = [PrefixInstrs, HasP10Vector] in {
     foreach Ty = [v4i32, v2i64, v8i16, v16i8] in {
         defm : XXEvalTernarySelectAnd<Ty>;
         defm : XXEvalTernarySelectB<Ty>;
-        defm : XXEvalTernarySelectC<Ty>; 
+        defm : XXEvalTernarySelectC<Ty>;
+        defm : XXEvalTernarySelectXor<Ty>;
+        defm : XXEvalTernarySelectOr<Ty>;
     }
 
     // Anonymous patterns to select prefixed VSX loads and stores.
diff --git a/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-or.ll b/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-or.ll
index 861789f4d3261..25983ea314cb0 100644
--- a/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-or.ll
+++ b/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-or.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; Test file to verify the emission of Vector selection instructions when ternary operators are used.
+; Test file to verify the emission of Vector Evaluate instructions when ternary operators are used.
 
 ; RUN: llc -verify-machineinstrs -mcpu=pwr10 -mtriple=powerpc64le-unknown-unknown \
 ; RUN:   -ppc-asm-full-reg-names --ppc-vsr-nums-as-vr < %s | FileCheck %s
@@ -15,11 +15,9 @@ define <4 x i32> @ternary_A_and_BC_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i3
 ; CHECK-LABEL: ternary_A_and_BC_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 113
 ; CHECK-NEXT:    blr
 entry:
   %and = and <4 x i32> %B, %C
@@ -33,12 +31,10 @@ define <2 x i64> @ternary_A_and_BC_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i6
 ; CHECK-LABEL: ternary_A_and_BC_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 113
 ; CHECK-NEXT:    blr
 entry:
   %and = and <2 x i64> %B, %C
@@ -52,11 +48,9 @@ define <16 x i8> @ternary_A_and_BC_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x
 ; CHECK-LABEL: ternary_A_and_BC_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 113
 ; CHECK-NEXT:    blr
 entry:
   %and = and <16 x i8> %B, %C
@@ -70,11 +64,9 @@ define <8 x i16> @ternary_A_and_BC_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i1
 ; CHECK-LABEL: ternary_A_and_BC_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 113
 ; CHECK-NEXT:    blr
 entry:
   %and = and <8 x i16> %B, %C
@@ -88,10 +80,9 @@ define <4 x i32> @ternary_A_B_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i32> %C
 ; CHECK-LABEL: ternary_A_B_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 115
 ; CHECK-NEXT:    blr
 entry:
   %or = or <4 x i32> %B, %C
@@ -104,11 +95,10 @@ define <2 x i64> @ternary_A_B_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i64> %C
 ; CHECK-LABEL: ternary_A_B_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 115
 ; CHECK-NEXT:    blr
 entry:
   %or = or <2 x i64> %B, %C
@@ -121,10 +111,9 @@ define <16 x i8> @ternary_A_B_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x i8> %
 ; CHECK-LABEL: ternary_A_B_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 115
 ; CHECK-NEXT:    blr
 entry:
   %or = or <16 x i8> %B, %C
@@ -137,10 +126,9 @@ define <8 x i16> @ternary_A_B_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i16> %C
 ; CHECK-LABEL: ternary_A_B_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 115
 ; CHECK-NEXT:    blr
 entry:
   %or = or <8 x i16> %B, %C
@@ -153,10 +141,9 @@ define <4 x i32> @ternary_A_C_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i32> %C
 ; CHECK-LABEL: ternary_A_C_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 117
 ; CHECK-NEXT:    blr
 entry:
   %or = or <4 x i32> %B, %C
@@ -169,11 +156,10 @@ define <2 x i64> @ternary_A_C_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i64> %C
 ; CHECK-LABEL: ternary_A_C_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 117
 ; CHECK-NEXT:    blr
 entry:
   %or = or <2 x i64> %B, %C
@@ -186,10 +172,9 @@ define <16 x i8> @ternary_A_C_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x i8> %
 ; CHECK-LABEL: ternary_A_C_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 117
 ; CHECK-NEXT:    blr
 entry:
   %or = or <16 x i8> %B, %C
@@ -202,10 +187,9 @@ define <8 x i16> @ternary_A_C_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i16> %C
 ; CHECK-LABEL: ternary_A_C_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlor vs0, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 117
 ; CHECK-NEXT:    blr
 entry:
   %or = or <8 x i16> %B, %C
@@ -218,11 +202,9 @@ define <4 x i32> @ternary_A_eqv_BC_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i3
 ; CHECK-LABEL: ternary_A_eqv_BC_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxleqv vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 121
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <4 x i32> %B, %C
@@ -237,12 +219,10 @@ define <2 x i64> @ternary_A_eqv_BC_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i6
 ; CHECK-LABEL: ternary_A_eqv_BC_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxleqv vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 121
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <2 x i64> %B, %C
@@ -257,11 +237,9 @@ define <16 x i8> @ternary_A_eqv_BC_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x
 ; CHECK-LABEL: ternary_A_eqv_BC_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxleqv vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 121
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <16 x i8> %B, %C
@@ -276,11 +254,9 @@ define <8 x i16> @ternary_A_eqv_BC_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i1
 ; CHECK-LABEL: ternary_A_eqv_BC_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxleqv vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 121
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <8 x i16> %B, %C
@@ -295,11 +271,9 @@ define <4 x i32> @ternary_A_not_C_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i32
 ; CHECK-LABEL: ternary_A_not_C_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlnor vs0, v4, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 122
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <4 x i32> %C, <i32 -1, i32 -1, i32 -1, i32 -1>  ; Vector not operation
@@ -313,12 +287,10 @@ define <2 x i64> @ternary_A_not_C_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i64
 ; CHECK-LABEL: ternary_A_not_C_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlnor vs0, v4, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 122
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <2 x i64> %C, <i64 -1, i64 -1>  ; Vector not operation
@@ -332,11 +304,9 @@ define <16 x i8> @ternary_A_not_C_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x i
 ; CHECK-LABEL: ternary_A_not_C_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlnor vs0, v4, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 122
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <16 x i8> %C, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>  ; Vector not operation
@@ -350,11 +320,9 @@ define <8 x i16> @ternary_A_not_C_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i16
 ; CHECK-LABEL: ternary_A_not_C_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlnor vs0, v4, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 122
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <8 x i16> %C, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>  ; Vector not operation
@@ -368,11 +336,9 @@ define <4 x i32> @ternary_A_not_B_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i32
 ; CHECK-LABEL: ternary_A_not_B_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlnor vs0, v3, v3
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 124
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <4 x i32> %B, <i32 -1, i32 -1, i32 -1, i32 -1>  ; Vector not operation
@@ -386,12 +352,10 @@ define <2 x i64> @ternary_A_not_B_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i64
 ; CHECK-LABEL: ternary_A_not_B_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlnor vs0, v3, v3
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 124
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <2 x i64> %B, <i64 -1, i64 -1>  ; Vector not operation
@@ -405,11 +369,9 @@ define <16 x i8> @ternary_A_not_B_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x i
 ; CHECK-LABEL: ternary_A_not_B_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlnor vs0, v3, v3
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 124
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <16 x i8> %B, <i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1, i8 -1>  ; Vector not operation
@@ -423,11 +385,9 @@ define <8 x i16> @ternary_A_not_B_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i16
 ; CHECK-LABEL: ternary_A_not_B_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlnor vs0, v3, v3
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 124
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <8 x i16> %B, <i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1, i16 -1>  ; Vector not operation
@@ -441,11 +401,9 @@ define <4 x i32> @ternary_A_nand_BC_or_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i
 ; CHECK-LABEL: ternary_A_nand_BC_or_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlnand vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 126
 ; CHECK-NEXT:    blr
 entry:
   %and = and <4 x i32> %B, %C
@@ -460,12 +418,10 @@ define <2 x i64> @ternary_A_nand_BC_or_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i
 ; CHECK-LABEL: ternary_A_nand_BC_or_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlnand vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 126
 ; CHECK-NEXT:    blr
 entry:
   %and = and <2 x i64> %B, %C
@@ -480,11 +436,9 @@ define <16 x i8> @ternary_A_nand_BC_or_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x
 ; CHECK-LABEL: ternary_A_nand_BC_or_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlnand vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 126
 ; CHECK-NEXT:    blr
 entry:
   %and = and <16 x i8> %B, %C
@@ -499,11 +453,9 @@ define <8 x i16> @ternary_A_nand_BC_or_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i
 ; CHECK-LABEL: ternary_A_nand_BC_or_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlnand vs0, v3, v4
-; CHECK-NEXT:    xxlor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 126
 ; CHECK-NEXT:    blr
 entry:
   %and = and <8 x i16> %B, %C
diff --git a/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-xor.ll b/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-xor.ll
index a3fdc905cb52c..0fc296cc5a4e2 100644
--- a/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-xor.ll
+++ b/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-xor.ll
@@ -1,5 +1,5 @@
 ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py UTC_ARGS: --version 5
-; Test file to verify the emission of Vector Selection instructions when ternary operators are used.
+; Test file to verify the emission of Vector Evaluate instructions when ternary operators are used.
 
 ; RUN: llc -verify-machineinstrs -mcpu=pwr10 -mtriple=powerpc64le-unknown-unknown \
 ; RUN:   -ppc-asm-full-reg-names --ppc-vsr-nums-as-vr < %s | FileCheck %s
@@ -15,11 +15,9 @@ define <4 x i32> @ternary_A_and_BC_xor_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i
 ; CHECK-LABEL: ternary_A_and_BC_xor_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 97
 ; CHECK-NEXT:    blr
 entry:
   %and = and <4 x i32> %B, %C
@@ -33,12 +31,10 @@ define <2 x i64> @ternary_A_and_BC_xor_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i
 ; CHECK-LABEL: ternary_A_and_BC_xor_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 97
 ; CHECK-NEXT:    blr
 entry:
   %and = and <2 x i64> %B, %C
@@ -52,11 +48,9 @@ define <16 x i8> @ternary_A_and_BC_xor_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x
 ; CHECK-LABEL: ternary_A_and_BC_xor_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 97
 ; CHECK-NEXT:    blr
 entry:
   %and = and <16 x i8> %B, %C
@@ -70,11 +64,9 @@ define <8 x i16> @ternary_A_and_BC_xor_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i
 ; CHECK-LABEL: ternary_A_and_BC_xor_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxland vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 97
 ; CHECK-NEXT:    blr
 entry:
   %and = and <8 x i16> %B, %C
@@ -88,10 +80,9 @@ define <4 x i32> @ternary_A_B_xor_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i32> %
 ; CHECK-LABEL: ternary_A_B_xor_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 99
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <4 x i32> %B, %C
@@ -104,11 +95,10 @@ define <2 x i64> @ternary_A_B_xor_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i64> %
 ; CHECK-LABEL: ternary_A_B_xor_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 99
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <2 x i64> %B, %C
@@ -121,10 +111,9 @@ define <16 x i8> @ternary_A_B_xor_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x i8>
 ; CHECK-LABEL: ternary_A_B_xor_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 99
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <16 x i8> %B, %C
@@ -137,10 +126,9 @@ define <8 x i16> @ternary_A_B_xor_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i16> %
 ; CHECK-LABEL: ternary_A_B_xor_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v3, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 99
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <8 x i16> %B, %C
@@ -153,10 +141,9 @@ define <4 x i32> @ternary_A_C_xor_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i32> %
 ; CHECK-LABEL: ternary_A_C_xor_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 101
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <4 x i32> %B, %C
@@ -169,11 +156,10 @@ define <2 x i64> @ternary_A_C_xor_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i64> %
 ; CHECK-LABEL: ternary_A_C_xor_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 101
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <2 x i64> %B, %C
@@ -186,10 +172,9 @@ define <16 x i8> @ternary_A_C_xor_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x i8>
 ; CHECK-LABEL: ternary_A_C_xor_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 101
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <16 x i8> %B, %C
@@ -202,10 +187,9 @@ define <8 x i16> @ternary_A_C_xor_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i16> %
 ; CHECK-LABEL: ternary_A_C_xor_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlxor vs0, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs0, v4, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 101
 ; CHECK-NEXT:    blr
 entry:
   %xor = xor <8 x i16> %B, %C
@@ -218,11 +202,9 @@ define <4 x i32> @ternary_A_or_BC_xor_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i3
 ; CHECK-LABEL: ternary_A_or_BC_xor_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 103
 ; CHECK-NEXT:    blr
 entry:
   %or = or <4 x i32> %B, %C
@@ -236,12 +218,10 @@ define <2 x i64> @ternary_A_or_BC_xor_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i6
 ; CHECK-LABEL: ternary_A_or_BC_xor_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 103
 ; CHECK-NEXT:    blr
 entry:
   %or = or <2 x i64> %B, %C
@@ -255,11 +235,9 @@ define <16 x i8> @ternary_A_or_BC_xor_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x
 ; CHECK-LABEL: ternary_A_or_BC_xor_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 103
 ; CHECK-NEXT:    blr
 entry:
   %or = or <16 x i8> %B, %C
@@ -273,11 +251,9 @@ define <8 x i16> @ternary_A_or_BC_xor_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i1
 ; CHECK-LABEL: ternary_A_or_BC_xor_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 103
 ; CHECK-NEXT:    blr
 entry:
   %or = or <8 x i16> %B, %C
@@ -291,11 +267,9 @@ define <4 x i32> @ternary_A_nor_BC_xor_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i
 ; CHECK-LABEL: ternary_A_nor_BC_xor_BC_4x32:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
-; CHECK-NEXT:    xxlnor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 104
 ; CHECK-NEXT:    blr
 entry:
   %or = or <4 x i32> %B, %C
@@ -310,12 +284,10 @@ define <2 x i64> @ternary_A_nor_BC_xor_BC_2x64(<2 x i1> %A, <2 x i64> %B, <2 x i
 ; CHECK-LABEL: ternary_A_nor_BC_xor_BC_2x64:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxlxor v5, v5, v5
-; CHECK-NEXT:    xxlnor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    xxsplti32dx v5, 1, 63
 ; CHECK-NEXT:    vsld v2, v2, v5
 ; CHECK-NEXT:    vsrad v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 104
 ; CHECK-NEXT:    blr
 entry:
   %or = or <2 x i64> %B, %C
@@ -330,11 +302,9 @@ define <16 x i8> @ternary_A_nor_BC_xor_BC_16x8(<16 x i1> %A, <16 x i8> %B, <16 x
 ; CHECK-LABEL: ternary_A_nor_BC_xor_BC_16x8:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltib v5, 7
-; CHECK-NEXT:    xxlnor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslb v2, v2, v5
 ; CHECK-NEXT:    vsrab v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 104
 ; CHECK-NEXT:    blr
 entry:
   %or = or <16 x i8> %B, %C
@@ -349,11 +319,9 @@ define <8 x i16> @ternary_A_nor_BC_xor_BC_8x16(<8 x i1> %A, <8 x i16> %B, <8 x i
 ; CHECK-LABEL: ternary_A_nor_BC_xor_BC_8x16:
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxspltiw v5, 983055
-; CHECK-NEXT:    xxlnor vs0, v3, v4
-; CHECK-NEXT:    xxlxor vs1, v3, v4
 ; CHECK-NEXT:    vslh v2, v2, v5
 ; CHECK-NEXT:    vsrah v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, v3, v4, 104
 ; CHECK-NEXT:    blr
 entry:
   %or = or <8 x i16> %B, %C

>From 2b426e1df1e879418e8d9d28dea22af70099efed Mon Sep 17 00:00:00 2001
From: Tony Varghese <tony.varghese at ibm.com>
Date: Mon, 22 Sep 2025 11:12:09 +0000
Subject: [PATCH 2/2] Fix llvm/test/CodeGen/PowerPC/xxeval-vselect-x-eqv.ll
 test failure as it picks up A ? B : XOR(B,C) pattern and matches xxeval with
 imm value 99

---
 llvm/test/CodeGen/PowerPC/xxeval-vselect-x-eqv.ll | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-eqv.ll b/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-eqv.ll
index 7fa576f599dc4..24a1724b8d335 100644
--- a/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-eqv.ll
+++ b/llvm/test/CodeGen/PowerPC/xxeval-vselect-x-eqv.ll
@@ -174,10 +174,9 @@ define <4 x i32> @ternary_A_not_C_eqv_BC_4x32(<4 x i1> %A, <4 x i32> %B, <4 x i3
 ; CHECK:       # %bb.0: # %entry
 ; CHECK-NEXT:    xxleqv v5, v5, v5
 ; CHECK-NEXT:    xxlnor vs0, v4, v4
-; CHECK-NEXT:    xxleqv vs1, v4, v3
 ; CHECK-NEXT:    vslw v2, v2, v5
 ; CHECK-NEXT:    vsraw v2, v2, v5
-; CHECK-NEXT:    xxsel v2, vs1, vs0, v2
+; CHECK-NEXT:    xxeval v2, v2, vs0, v3, 99
 ; CHECK-NEXT:    blr
 entry:
   %not = xor <4 x i32> %C, <i32 -1, i32 -1, i32 -1, i32 -1>  ; Vector not operation



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