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Unified Diff: test/mjsunit/es7/syntactic-tail-call-simple.js

Issue 1917993004: [es8] Initial set of changes to support syntactic tail calls. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Addressing comments Created 4 years, 8 months ago
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Index: test/mjsunit/es7/syntactic-tail-call-simple.js
diff --git a/test/mjsunit/es6/tail-call-simple.js b/test/mjsunit/es7/syntactic-tail-call-simple.js
similarity index 70%
copy from test/mjsunit/es6/tail-call-simple.js
copy to test/mjsunit/es7/syntactic-tail-call-simple.js
index cc638082be592e953332cce27474daaecb68c2be..02f235e6d38230fe81ba9acd0b10e658de768846 100644
--- a/test/mjsunit/es6/tail-call-simple.js
+++ b/test/mjsunit/es7/syntactic-tail-call-simple.js
@@ -2,34 +2,17 @@
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
-// Flags: --allow-natives-syntax --harmony-tailcalls --stack-size=100
-
-//
-// Tail calls work only in strict mode.
-//
-(function() {
- function f(n) {
- if (n <= 0) {
- return "foo";
- }
- return f(n - 1);
- }
- assertThrows(()=>{ f(1e5) });
- %OptimizeFunctionOnNextCall(f);
- assertThrows(()=>{ f(1e5) });
-})();
-
+// Flags: --allow-natives-syntax --harmony-explicit-tailcalls --stack-size=100
//
// Tail call normal functions.
//
(function() {
- "use strict";
function f(n) {
if (n <= 0) {
return "foo";
}
- return f(n - 1);
+ return continue f(n - 1);
}
assertEquals("foo", f(1e5));
%OptimizeFunctionOnNextCall(f);
@@ -38,12 +21,11 @@
(function() {
- "use strict";
function f(n) {
if (n <= 0) {
return "foo";
}
- return f(n - 1, 42); // Call with arguments adaptor.
+ return continue f(n - 1, 42); // Call with arguments adaptor.
}
assertEquals("foo", f(1e5));
%OptimizeFunctionOnNextCall(f);
@@ -52,18 +34,17 @@
(function() {
- "use strict";
function f(n){
if (n <= 0) {
return "foo";
}
- return g(n - 1);
+ return continue g(n - 1);
}
function g(n){
if (n <= 0) {
return "bar";
}
- return f(n - 1);
+ return continue f(n - 1);
}
assertEquals("foo", f(1e5));
assertEquals("bar", f(1e5 + 1));
@@ -74,18 +55,17 @@
(function() {
- "use strict";
function f(n){
if (n <= 0) {
return "foo";
}
- return g(n - 1, 42); // Call with arguments adaptor.
+ return continue g(n - 1, 42); // Call with arguments adaptor.
}
function g(n){
if (n <= 0) {
return "bar";
}
- return f(n - 1, 42); // Call with arguments adaptor.
+ return continue f(n - 1, 42); // Call with arguments adaptor.
}
assertEquals("foo", f(1e5));
assertEquals("bar", f(1e5 + 1));
@@ -99,16 +79,15 @@
// Tail call bound functions.
//
(function() {
- "use strict";
function f0(n) {
if (n <= 0) {
return "foo";
}
- return f_bound(n - 1);
+ return continue f_bound(n - 1);
}
var f_bound = f0.bind({});
function f(n) {
- return f_bound(n);
+ return continue f_bound(n);
}
assertEquals("foo", f(1e5));
%OptimizeFunctionOnNextCall(f);
@@ -117,23 +96,22 @@
(function() {
- "use strict";
function f0(n){
if (n <= 0) {
return "foo";
}
- return g_bound(n - 1);
+ return continue g_bound(n - 1);
}
function g0(n){
if (n <= 0) {
return "bar";
}
- return f_bound(n - 1);
+ return continue f_bound(n - 1);
}
var f_bound = f0.bind({});
var g_bound = g0.bind({});
function f(n) {
- return f_bound(n);
+ return continue f_bound(n);
}
assertEquals("foo", f(1e5));
assertEquals("bar", f(1e5 + 1));
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