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Unified Diff: test/mjsunit/compiler/deopt-inlined-from-call.js

Issue 588573002: Optimize Function.prototype.call (Closed) Base URL: https://github.com/v8/v8.git@master
Patch Set: Created 6 years, 3 months ago
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Index: test/mjsunit/compiler/deopt-inlined-from-call.js
diff --git a/test/mjsunit/compiler/deopt-inlined-from-call.js b/test/mjsunit/compiler/deopt-inlined-from-call.js
new file mode 100644
index 0000000000000000000000000000000000000000..24d73546f617645bedeaa26b3b500da68e066881
--- /dev/null
+++ b/test/mjsunit/compiler/deopt-inlined-from-call.js
@@ -0,0 +1,154 @@
+// Copyright 2014 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:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following
+// disclaimer in the documentation and/or other materials provided
+// with the distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived
+// from this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Flags: --allow-natives-syntax --noalways-opt
+
+var global = this;
+
+Array.prototype.f = function() {
+ return 0;
+};
+
+(function() {
+ var called = 0;
+
+ function g(x, y, called) {
+ return called + 1;
+ }
+
+ function f(deopt, called) {
+ return g([].f.call({}), deopt + 1, called);
+ }
+
+ called = f(0, called);
+ called = f(0, called);
+ %OptimizeFunctionOnNextCall(f);
+ called = f(0, called);
+ assertOptimized(f);
+ called = f({}, called);
+ assertUnoptimized(f);
+ assertEquals(4, called);
+})();
+
+(function() {
+ // The array built-ins are only inlined if the receiver is a
+ // HConstant, this seems to require a *unique* global identifier
+ // each time.
+ global.a1 = [1,2,3,4];
+ var obj = {value: 3};
+
+ function f(b) {
+ return [].pop.call(a1) + b.value;
+ }
+
+ assertEquals(7, f(obj));
+ assertEquals(6, f(obj));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals(5, f(obj));
+ assertOptimized(f);
+ assertEquals(4, f({d: 0, value: 3}));
+ assertUnoptimized(f);
+ assertEquals(0, a1.length);
+})();
+
+
+(function() {
+ global.a2 = [1,2,3,4];
+ var obj = {value: 3};
+
+ function f(b) {
+ return [].shift.call(a2) + b.value;
+ }
+
+ assertEquals(4, f(obj));
+ assertEquals(5, f(obj));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals(6, f(obj));
+ assertOptimized(f);
+ assertEquals(7, f({d: 0, value: 3}));
+ assertUnoptimized(f);
+ assertEquals(0, a2.length);
+})();
+
+(function() {
+ global.a3 = [1,2,3,4];
+ var obj = {value: 3};
+
+ function f(b) {
+ return [].push.call(a3, b.value);
+ }
+
+ assertEquals(5, f(obj));
+ assertEquals(6, f(obj));
+ %OptimizeFunctionOnNextCall(f);
+ assertEquals(7, f(obj));
+ assertOptimized(f);
+ assertEquals(8, f({d: 0, value: 3}));
+ assertUnoptimized(f);
+ assertEquals(8, a3.length);
+ assertEquals(3, a3[7]);
+})();
+
+(function() {
+ global.a4 = [1,2,3,4];
+ var obj = {value: 3};
+
+ function f(b) {
+ return [].indexOf.call(a4, b.value);
+ }
+
+ f(obj);
+ f(obj);
+ %OptimizeFunctionOnNextCall(f);
+ var index1 = f(obj);
+ assertOptimized(f);
+ var index2 = f({d: 0, value: 3});
+ assertUnoptimized(f);
+
+ assertEquals(2, index1);
+ assertEquals(index1, index2);
+})();
+
+(function() {
+ global.a5 = [1,2,3,4];
+ var obj = {value: 3};
+
+ function f(b) {
+ return [].lastIndexOf.call(a5, b.value);
+ }
+
+ f(obj);
+ f(obj);
+ %OptimizeFunctionOnNextCall(f);
+ var index1 = f(obj);
+ assertOptimized(f);
+ var index2 = f({d: 0, value: 3});
+ assertUnoptimized(f);
+
+ assertEquals(2, index1);
+ assertEquals(index1, index2);
+})();
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