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enhance evaluate & reduce_vars (#3873)

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This commit is contained in:
Alex Lam S.L
2020-05-10 20:08:05 +01:00
committed by GitHub
parent 7e0ad232b0
commit e23bf48052
4 changed files with 188 additions and 67 deletions
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86
test/compress/reduce_vars.js
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@@ -1197,11 +1197,10 @@ toplevel_on_loops_1: {
while (x);
}
expect: {
function bar() {
console.log("bar:", --x);
}
var x = 3;
for (;bar(), x;);
for (;function() {
console.log("bar:", --x);
}(), x;);
}
expect_stdout: true
}
@@ -1254,10 +1253,9 @@ toplevel_on_loops_2: {
while (x);
}
expect: {
function bar() {
for (;;) (function() {
console.log("bar:");
}
for (;;) bar();
})();
}
}
@@ -4231,13 +4229,12 @@ issue_2450_4: {
}
expect: {
var a;
function f(b) {
console.log(a === b);
a = b;
}
function g() {}
for (var i = 3; --i >= 0;)
f(g);
(function(b) {
console.log(a === b);
a = b;
})(g);
}
expect_stdout: [
"false",
@@ -4338,14 +4335,13 @@ perf_1: {
console.log(sum);
}
expect: {
function indirect_foo(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}
var sum = 0;
for (var i = 0; i < 100; ++i)
sum += indirect_foo(i, i + 1, 3 * i);
sum += function(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}(i, i + 1, 3 * i);
console.log(sum);
}
expect_stdout: "348150"
@@ -4406,14 +4402,13 @@ perf_3: {
console.log(sum);
}
expect: {
var indirect_foo = function(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}
var sum = 0;
for (var i = 0; i < 100; ++i)
sum += indirect_foo(i, i + 1, 3 * i);
sum += function(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}(i, i + 1, 3 * i);
console.log(sum);
}
expect_stdout: "348150"
@@ -4475,14 +4470,13 @@ perf_5: {
console.log(sum);
}
expect: {
function indirect_foo(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}
var sum = 0;
for (var i = 0; i < 100; ++i)
sum += indirect_foo(i, i + 1, 3 * i);
sum += function(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}(i, i + 1, 3 * i);
console.log(sum);
}
expect_stdout: "348150"
@@ -4543,14 +4537,13 @@ perf_7: {
console.log(sum);
}
expect: {
var indirect_foo = function(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}
var sum = 0;
for (var i = 0; i < 100; ++i)
sum += indirect_foo(i, i + 1, 3 * i);
sum += function(x, y, z) {
return function(x, y, z) {
return x < y ? x * y + z : x * z - y;
}(x, y, z);
}(i, i + 1, 3 * i);
console.log(sum);
}
expect_stdout: "348150"
@@ -7054,24 +7047,3 @@ issue_3866: {
}
expect_stdout: "PASS"
}
void_side_effects: {
options = {
evaluate: true,
reduce_vars: true,
toplevel: true,
unused: true,
}
input: {
var a = void console.log("PASS");
console.log(a);
}
expect: {
console.log("PASS");
console.log(void 0);
}
expect_stdout: [
"PASS",
"undefined",
]
}