Fast compiler: Load globals variables directly from property cells....

test/mjsunit/compiler/simple-global-access.js

+// Copyright 2010 the V8 project authors. All rights reserved.
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
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+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --fast-compiler
+
+// Test global variable loads with the fast compiler.
+var g1 = 42;
+var g2 = 43;
+var g3 = 44;
+
+function f1() { this.x = this.y = this.z = g1; }
+function f2() { this.x = g1; this.y = g2; this.z = g3; }
+
+var o = {x:0, y:0, z:0, m1:f1, m2:f2}
+
+o.m1();
+
+assertEquals(42, o.x);
+assertEquals(42, o.y);
+assertEquals(42, o.z);
+
+
+o.m2();
+
+assertEquals(42, o.x);
+assertEquals(43, o.y);
+assertEquals(44, o.z);