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Merge branch 'master' into harmony

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This commit is contained in:
Richard van Velzen
2016-05-04 20:13:35 +02:00
parent d1b4f61f93 a0e03c9df4
commit e36e07fa77
13 changed files with 263 additions and 49 deletions
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48
test/compress/issue-1034.js
View File

@@ -39,7 +39,7 @@ non_hoisted_function_after_return_2a: {
hoist_funs: false, dead_code: true, conditionals: true, comparisons: true,
evaluate: true, booleans: true, loops: true, unused: true, keep_fargs: true,
if_return: true, join_vars: true, cascade: true, side_effects: true,
collapse_vars: false
collapse_vars: false, passes: 2
}
input: {
function foo(x) {
@@ -57,20 +57,11 @@ non_hoisted_function_after_return_2a: {
}
}
expect: {
// NOTE: Output is correct, but suboptimal. Not a regression. Can be improved in future.
// This output is run through non_hoisted_function_after_return_2b with same flags.
function foo(x) {
if (x) {
return bar(1);
} else {
return bar(2);
var b;
}
var c = bar(3);
return bar(x ? 1 : 2);
function bar(x) {
return 7 - x;
}
return b || c;
}
}
expect_warnings: [
@@ -79,7 +70,12 @@ non_hoisted_function_after_return_2a: {
"WARN: Dropping unreachable code [test/compress/issue-1034.js:51,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:51,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:48,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:55,21]"
"WARN: Dropping unused function nope [test/compress/issue-1034.js:55,21]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:53,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:53,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:56,12]",
"WARN: Dropping unused variable b [test/compress/issue-1034.js:51,20]",
"WARN: Dropping unused variable c [test/compress/issue-1034.js:53,16]"
]
}
@@ -91,7 +87,6 @@ non_hoisted_function_after_return_2b: {
collapse_vars: false
}
input: {
// Note: output of test non_hoisted_function_after_return_2a run through compress again
function foo(x) {
if (x) {
return bar(1);
@@ -107,31 +102,20 @@ non_hoisted_function_after_return_2b: {
}
}
expect: {
// the output we would have liked to see from non_hoisted_function_after_return_2a
function foo(x) {
return bar(x ? 1 : 2);
function bar(x) { return 7 - x; }
}
}
expect_warnings: [
// Notice that some warnings are repeated by multiple compress passes.
// Not a regression. There is room for improvement here.
// Warnings should be cached and only output if unique.
"WARN: Dropping unreachable code [test/compress/issue-1034.js:100,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:100,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:100,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:100,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:100,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:100,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:100,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:100,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:102,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:102,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:106,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:100,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:100,16]",
"WARN: Dropping unused variable b [test/compress/issue-1034.js:100,20]",
"WARN: Dropping unused variable c [test/compress/issue-1034.js:102,16]"
// duplicate warnings no longer emitted
"WARN: Dropping unreachable code [test/compress/issue-1034.js:95,16]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:95,16]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:97,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:97,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:101,12]",
"WARN: Dropping unused variable b [test/compress/issue-1034.js:95,20]",
"WARN: Dropping unused variable c [test/compress/issue-1034.js:97,16]"
]
}

96
test/compress/issue-1052.js Normal file
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@@ -0,0 +1,96 @@
multiple_functions: {
options = { if_return: true, hoist_funs: false };
input: {
( function() {
if ( !window ) {
return;
}
function f() {}
function g() {}
} )();
}
expect: {
( function() {
function f() {}
function g() {}
// NOTE: other compression steps will reduce this
// down to just `window`.
if ( window );
} )();
}
}
single_function: {
options = { if_return: true, hoist_funs: false };
input: {
( function() {
if ( !window ) {
return;
}
function f() {}
} )();
}
expect: {
( function() {
function f() {}
if ( window );
} )();
}
}
deeply_nested: {
options = { if_return: true, hoist_funs: false };
input: {
( function() {
if ( !window ) {
return;
}
function f() {}
function g() {}
if ( !document ) {
return;
}
function h() {}
} )();
}
expect: {
( function() {
function f() {}
function g() {}
function h() {}
// NOTE: other compression steps will reduce this
// down to just `window`.
if ( window )
if (document);
} )();
}
}
not_hoisted_when_already_nested: {
options = { if_return: true, hoist_funs: false };
input: {
( function() {
if ( !window ) {
return;
}
if ( foo ) function f() {}
} )();
}
expect: {
( function() {
if ( window )
if ( foo ) function f() {}
} )();
}
}