Upload Kmake

deps/v8/test/mjsunit/maglev/load-named.js

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+// Copyright 2022 the V8 project authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Flags: --allow-natives-syntax --maglev
+
+// Checks simple monomorphic load of a Smi field works
+(function() {
+  function load(o) {
+    return o.smi;
+  }
+
+  %PrepareFunctionForOptimization(load);
+  assertEquals(42, load({smi:42}));
+
+  %OptimizeMaglevOnNextCall(load);
+  assertEquals(42, load({smi:42}));
+  assertTrue(isMaglevved(load));
+
+  // We should deopt here.
+  assertEquals(42, load({y:0, smi:42}));
+  assertFalse(isMaglevved(load));
+})();
+
+// Checks simple monomorphic load of a Double field works
+(function() {
+  function load(o) {
+    return o.float64;
+  }
+
+  %PrepareFunctionForOptimization(load);
+  assertEquals(42.5, load({float64:42.5}));
+
+  %OptimizeMaglevOnNextCall(load);
+  assertEquals(42.5, load({float64:42.5}));
+  assertTrue(isMaglevved(load));
+
+  // We should deopt here.
+  assertEquals(42.5, load({y:0, float64:42.5}));
+  assertFalse(isMaglevved(load));
+})();
+
+// Checks simple monomorphic load of a Double field works with a float64 add.
+(function() {
+  function load(o) {
+    return o.float64 + o.float64;
+  }
+
+  %PrepareFunctionForOptimization(load);
+  assertEquals(85, load({float64:42.5}));
+
+  %OptimizeMaglevOnNextCall(load);
+  assertEquals(85, load({float64:42.5}));
+  assertTrue(isMaglevved(load));
+
+  // We should deopt here.
+  assertEquals(85, load({y:0, float64:42.5}));
+  assertFalse(isMaglevved(load));
+})();