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improve unused efficiency (#3813)

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This commit is contained in:
Alex Lam S.L
2020-04-23 01:31:35 +01:00
committed by GitHub
parent 3ae24329eb
commit 99cf3a38c5
3 changed files with 39 additions and 43 deletions
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6
test/compress/directives.js
View File

@@ -46,7 +46,7 @@ simple_statement_is_not_a_directive: {
drop_lone_use_strict: {
options = {
directives: true,
side_effects: true,
unused: true,
}
input: {
function f1() {
@@ -66,10 +66,8 @@ drop_lone_use_strict: {
function f1() {
}
function f2() {
"use strict";
function f3() {
}
}
(function() {})();
}
}

8
test/compress/issue-1034.js
View File

@@ -90,13 +90,13 @@ non_hoisted_function_after_return_2a: {
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:7,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:4,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:11,21]",
"INFO: pass 0: last_count: Infinity, count: 37",
"INFO: pass 0: last_count: Infinity, count: 36",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:9,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:9,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:12,12]",
"INFO: Dropping unused variable b [test/compress/issue-1034.js:7,20]",
"INFO: Dropping unused variable c [test/compress/issue-1034.js:9,16]",
"INFO: pass 1: last_count: 37, count: 18",
"INFO: pass 1: last_count: 36, count: 18",
]
}
@@ -248,13 +248,13 @@ non_hoisted_function_after_return_2a_strict: {
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:8,16]",
"WARN: Dropping unused variable a [test/compress/issue-1034.js:5,20]",
"WARN: Dropping unused function nope [test/compress/issue-1034.js:12,21]",
"INFO: pass 0: last_count: Infinity, count: 48",
"INFO: pass 0: last_count: Infinity, count: 47",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:10,12]",
"WARN: Declarations in unreachable code! [test/compress/issue-1034.js:10,12]",
"WARN: Dropping unreachable code [test/compress/issue-1034.js:13,12]",
"INFO: Dropping unused variable b [test/compress/issue-1034.js:8,20]",
"INFO: Dropping unused variable c [test/compress/issue-1034.js:10,16]",
"INFO: pass 1: last_count: 48, count: 29",
"INFO: pass 1: last_count: 47, count: 29",
]
}