[turbofan] Make an OptionalOperator for MachineOperatorBuilder.

src/compiler/common-operator-reducer.cc

Index: src/compiler/common-operator-reducer.cc
diff --git a/src/compiler/common-operator-reducer.cc b/src/compiler/common-operator-reducer.cc
index 2ade817c234b1b3a564a27d080bcd8a446bdcdff..2cd23e51504cc55e6f25abd810f94a5814790d6b 100644
--- a/src/compiler/common-operator-reducer.cc
+++ b/src/compiler/common-operator-reducer.cc
@@ -59,35 +59,35 @@ Reduction CommonOperatorReducer::ReducePhi(Node* node) {
         Float32BinopMatcher mcond(cond);
         if (mcond.left().Is(0.0) && mcond.right().Equals(vtrue) &&
             vfalse->opcode() == IrOpcode::kFloat32Sub &&
-            machine()->HasFloat32Abs()) {
+            machine()->Float32Abs().supported()) {
           Float32BinopMatcher mvfalse(vfalse);
           if (mvfalse.left().IsZero() && mvfalse.right().Equals(vtrue)) {
-            return Change(node, machine()->Float32Abs(), vtrue);
+            return Change(node, machine()->Float32Abs().op(), vtrue);
           }
         }
         if (mcond.left().Equals(vtrue) && mcond.right().Equals(vfalse) &&
-            machine()->HasFloat32Min()) {
-          return Change(node, machine()->Float32Min(), vtrue, vfalse);
+            machine()->Float32Min().supported()) {
+          return Change(node, machine()->Float32Min().op(), vtrue, vfalse);
         } else if (mcond.left().Equals(vfalse) && mcond.right().Equals(vtrue) &&
-                   machine()->HasFloat32Max()) {
-          return Change(node, machine()->Float32Max(), vtrue, vfalse);
+                   machine()->Float32Max().supported()) {
+          return Change(node, machine()->Float32Max().op(), vtrue, vfalse);
         }
       } else if (cond->opcode() == IrOpcode::kFloat64LessThan) {
         Float64BinopMatcher mcond(cond);
         if (mcond.left().Is(0.0) && mcond.right().Equals(vtrue) &&
             vfalse->opcode() == IrOpcode::kFloat64Sub &&
-            machine()->HasFloat64Abs()) {
+            machine()->Float64Abs().supported()) {
           Float64BinopMatcher mvfalse(vfalse);
           if (mvfalse.left().IsZero() && mvfalse.right().Equals(vtrue)) {
-            return Change(node, machine()->Float64Abs(), vtrue);
+            return Change(node, machine()->Float64Abs().op(), vtrue);
           }
         }
         if (mcond.left().Equals(vtrue) && mcond.right().Equals(vfalse) &&
-            machine()->HasFloat64Min()) {
-          return Change(node, machine()->Float64Min(), vtrue, vfalse);
+            machine()->Float64Min().supported()) {
+          return Change(node, machine()->Float64Min().op(), vtrue, vfalse);
         } else if (mcond.left().Equals(vfalse) && mcond.right().Equals(vtrue) &&
-                   machine()->HasFloat64Max()) {
-          return Change(node, machine()->Float64Max(), vtrue, vfalse);
+                   machine()->Float64Max().supported()) {
+          return Change(node, machine()->Float64Max().op(), vtrue, vfalse);
         }
       }
     }
@@ -118,18 +118,18 @@ Reduction CommonOperatorReducer::ReduceSelect(Node* node) {
       Float32BinopMatcher mcond(cond);
       if (mcond.left().Is(0.0) && mcond.right().Equals(vtrue) &&
           vfalse->opcode() == IrOpcode::kFloat32Sub &&
-          machine()->HasFloat32Abs()) {
+          machine()->Float32Abs().supported()) {
         Float32BinopMatcher mvfalse(vfalse);
         if (mvfalse.left().IsZero() && mvfalse.right().Equals(vtrue)) {
-          return Change(node, machine()->Float32Abs(), vtrue);
+          return Change(node, machine()->Float32Abs().op(), vtrue);
         }
       }
       if (mcond.left().Equals(vtrue) && mcond.right().Equals(vfalse) &&
-          machine()->HasFloat32Min()) {
-        return Change(node, machine()->Float32Min(), vtrue, vfalse);
+          machine()->Float32Min().supported()) {
+        return Change(node, machine()->Float32Min().op(), vtrue, vfalse);
       } else if (mcond.left().Equals(vfalse) && mcond.right().Equals(vtrue) &&
-                 machine()->HasFloat32Max()) {
-        return Change(node, machine()->Float32Max(), vtrue, vfalse);
+                 machine()->Float32Max().supported()) {
+        return Change(node, machine()->Float32Max().op(), vtrue, vfalse);
       }
       break;
     }
@@ -137,18 +137,18 @@ Reduction CommonOperatorReducer::ReduceSelect(Node* node) {
       Float64BinopMatcher mcond(cond);
       if (mcond.left().Is(0.0) && mcond.right().Equals(vtrue) &&
           vfalse->opcode() == IrOpcode::kFloat64Sub &&
-          machine()->HasFloat64Abs()) {
+          machine()->Float64Abs().supported()) {
         Float64BinopMatcher mvfalse(vfalse);
         if (mvfalse.left().IsZero() && mvfalse.right().Equals(vtrue)) {
-          return Change(node, machine()->Float64Abs(), vtrue);
+          return Change(node, machine()->Float64Abs().op(), vtrue);
         }
       }
       if (mcond.left().Equals(vtrue) && mcond.right().Equals(vfalse) &&
-          machine()->HasFloat64Min()) {
-        return Change(node, machine()->Float64Min(), vtrue, vfalse);
+          machine()->Float64Min().supported()) {
+        return Change(node, machine()->Float64Min().op(), vtrue, vfalse);
       } else if (mcond.left().Equals(vfalse) && mcond.right().Equals(vtrue) &&
-                 machine()->HasFloat64Max()) {
-        return Change(node, machine()->Float64Max(), vtrue, vfalse);
+                 machine()->Float64Max().supported()) {
+        return Change(node, machine()->Float64Max().op(), vtrue, vfalse);
       }
       break;
     }