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[JS IR] Perform optimizations on the generated JS code

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The patch adopts and reuses the optimizations from the legacy backend.

The optimizations remove useless temporary variables,
statements and simplify generated JS code.

The optimizations can be disabled by `-Xoptimize-generated-js=false`.

Related to KT-51139
This commit is contained in:
Alexander Korepanov
2023-04-11 20:04:28 +02:00
committed by Space Team
parent 84b5af3c89
commit 79d378f2bd
87 changed files with 173 additions and 224 deletions
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compiler/testData/debug/localVariables/catchClause.kt
Vendored
-1
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@@ -22,7 +22,6 @@ fun box() {
// EXPECTATIONS JS_IR
// test.kt:4 box:
// test.kt:5 box: a=1:number
// test.kt:5 box: a=1:number
// test.kt:6 box: a=0:number
// test.kt:7 box: a=0:number
// test.kt:8 box: a=0:number
compiler/testData/debug/localVariables/destructuring/assignment.kt
Vendored
-1
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@@ -17,6 +17,5 @@ fun box(): String {
// EXPECTATIONS JS_IR
// test.kt:5 box:
// test.kt:7 box: p=kotlin.Pair
// test.kt:7 box: p=kotlin.Pair
// test.kt:7 box: p=kotlin.Pair, o="O":kotlin.String
// test.kt:9 box: p=kotlin.Pair, o="O":kotlin.String, k="K":kotlin.String
compiler/testData/debug/localVariables/destructuring/assignmentCustomComponentNs.kt
Vendored
-1
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@@ -36,7 +36,6 @@ fun box(): String {
// test.kt:2 <init>: x="X":kotlin.String, y="Y":kotlin.String
// test.kt:2 <init>: x="X":kotlin.String, y="Y":kotlin.String
// test.kt:14 box: p=MyPair
// test.kt:14 box: p=MyPair
// test.kt:4 component1:
// test.kt:14 box: p=MyPair, o="O":kotlin.String
// test.kt:8 component2:
compiler/testData/debug/localVariables/destructuring/assignmentCustomComponentNsMultiline.kt
Vendored
-1
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@@ -44,7 +44,6 @@ fun box(): String {
// test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String
// test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String
// test.kt:4 <init>: x="X":kotlin.String, y="Y":kotlin.String
// test.kt:23 box: p=MyPair
// test.kt:18 box: p=MyPair
// test.kt:6 component1:
// test.kt:20 box: p=MyPair, o="O":kotlin.String
compiler/testData/debug/localVariables/destructuring/assignmentMultiline.kt
Vendored
-1
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@@ -30,7 +30,6 @@ fun box(): String {
// EXPECTATIONS JS_IR
// test.kt:6 box:
// test.kt:15 box: p=kotlin.Pair
// test.kt:10 box: p=kotlin.Pair
// test.kt:12 box: p=kotlin.Pair, o="O":kotlin.String
// test.kt:17 box: p=kotlin.Pair, o="O":kotlin.String, k="K":kotlin.String
compiler/testData/debug/localVariables/destructuring/assignmentUnderscoreNames.kt
Vendored
-1
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@@ -17,6 +17,5 @@ fun box(): String {
// EXPECTATIONS JS_IR
// test.kt:5 box:
// test.kt:7 box: p=kotlin.Triple
// test.kt:7 box: p=kotlin.Triple
// test.kt:7 box: p=kotlin.Triple, o="O":kotlin.String
// test.kt:9 box: p=kotlin.Triple, o="O":kotlin.String, k="K":kotlin.String
compiler/testData/debug/localVariables/destructuring/assignmentUnderscoreNamesMultiline.kt
Vendored
-1
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@@ -32,7 +32,6 @@ fun box(): String {
// EXPECTATIONS JS_IR
// test.kt:6 box:
// test.kt:17 box: p=kotlin.Triple
// test.kt:12 box: p=kotlin.Triple
// test.kt:14 box: p=kotlin.Triple, o="O":kotlin.String
// test.kt:19 box: p=kotlin.Triple, o="O":kotlin.String, k="K":kotlin.String
compiler/testData/debug/localVariables/destructuring/forLoop.kt
Vendored
-3
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@@ -20,9 +20,6 @@ fun box() {
// test.kt:5 box:
// test.kt:6 box: map=kotlin.collections.HashMap
// test.kt:6 box: map=kotlin.collections.HashMap
// test.kt:6 box: map=kotlin.collections.HashMap
// test.kt:6 box: map=kotlin.collections.HashMap
// test.kt:6 box: map=kotlin.collections.HashMap, a="1":kotlin.String
// test.kt:7 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
// test.kt:6 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
// test.kt:9 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
compiler/testData/debug/localVariables/destructuring/forLoopMultiline.kt
Vendored
+1 -4
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@@ -43,9 +43,6 @@ fun box() {
// test.kt:5 box:
// test.kt:15 box: map=kotlin.collections.HashMap
// test.kt:15 box: map=kotlin.collections.HashMap
// test.kt:15 box: map=kotlin.collections.HashMap
// test.kt:10 box: map=kotlin.collections.HashMap
// test.kt:12 box: map=kotlin.collections.HashMap, a="1":kotlin.String
// test.kt:18 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
// test.kt:15 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
// test.kt:20 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
// test.kt:20 box: map=kotlin.collections.HashMap, a="1":kotlin.String, b="23":kotlin.String
compiler/testData/debug/localVariables/forLoopMultiline.kt
Vendored
+1 -2
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@@ -36,8 +36,7 @@ fun box() {
// test.kt:5 box:
// test.kt:11 box: map=kotlin.collections.HashMap
// test.kt:11 box: map=kotlin.collections.HashMap
// test.kt:11 box: map=kotlin.collections.HashMap
// test.kt:14 box: map=kotlin.collections.HashMap, e=kotlin.collections.AbstractMutableMap.SimpleEntry
// test.kt:14 box: map=kotlin.collections.HashMap, e=kotlin.collections.AbstractMutableMap.SimpleEntry
// test.kt:11 box: map=kotlin.collections.HashMap, e=kotlin.collections.AbstractMutableMap.SimpleEntry
// test.kt:16 box: map=kotlin.collections.HashMap, e=kotlin.collections.AbstractMutableMap.SimpleEntry
// test.kt:16 box: map=kotlin.collections.HashMap, e=kotlin.collections.AbstractMutableMap.SimpleEntry
compiler/testData/debug/localVariables/inlineProperty.kt
Vendored
-2
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@@ -24,7 +24,5 @@ fun box() {
// test.kt:8 box:
// test.kt:2 <init>:
// test.kt:4 box: a=A
// test.kt:9 box: a=A
// test.kt:10 box: a=A, y=1:number
// test.kt:10 box: a=A, y=1:number
// test.kt:11 box: a=A, y=2:number
compiler/testData/debug/localVariables/jsCode.kt
Vendored
+1 -2
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@@ -81,8 +81,7 @@ fun box() {
// a.kt:6 exclamate: s="Jesse":kotlin.String
// test.kt:52 box: jesse="Jesse":kotlin.String, walter1="Walter!":kotlin.String, jesse1="Jesse!":kotlin.String
// a.kt:6 exclamate: s="Jesse!":kotlin.String
// a.kt:29 box: jesse="Jesse":kotlin.String, walter1="Walter!":kotlin.String, jesse1="Jesse!":kotlin.String
// a.kt:22 value:
// test.kt:63 box: jesse="Jesse":kotlin.String, walter1="Walter!":kotlin.String, jesse1="Jesse!":kotlin.String
// test.kt:59 localFun: hello="hello":kotlin.String, world="world":kotlin.String
// test.kt:64 box: jesse="Jesse":kotlin.String, walter1="Walter!":kotlin.String, jesse1="Jesse!":kotlin.String
// test.kt:64 box: jesse="Jesse":kotlin.String, walter1="Walter!":kotlin.String, jesse1="Jesse!":kotlin.String
compiler/testData/debug/localVariables/suspend/completion/nonStaticSimple.kt
Vendored
+1 -1
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@@ -18,7 +18,7 @@ suspend fun box() {
// test.kt:10 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
// EXPECTATIONS JS_IR
// test.kt:9 box: $completion=EmptyContinuation
// test.kt:10 box: $completion=EmptyContinuation
// test.kt:4 <init>:
// test.kt:9 box: $completion=EmptyContinuation
// test.kt:5 foo: $completion=EmptyContinuation
compiler/testData/debug/localVariables/suspend/completion/nonStaticStateMachine.kt
Vendored
+1 -1
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@@ -31,7 +31,7 @@ suspend fun box() {
// test.kt:15 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
// EXPECTATIONS JS_IR
// test.kt:14 box: $completion=EmptyContinuation
// test.kt:15 box: $completion=EmptyContinuation
// test.kt:4 <init>:
// test.kt:14 box: $completion=EmptyContinuation
// test.kt:14 box: $completion=EmptyContinuation
compiler/testData/debug/localVariables/suspend/completion/staticSimpleReceiver.kt
Vendored
+1 -1
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@@ -19,7 +19,7 @@ suspend fun box() {
// test.kt:10 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
// EXPECTATIONS JS_IR
// test.kt:9 box: $completion=EmptyContinuation
// test.kt:10 box: $completion=EmptyContinuation
// test.kt:4 <init>:
// test.kt:9 box: $completion=EmptyContinuation
// test.kt:6 foo: <this>=A, $completion=EmptyContinuation
compiler/testData/debug/localVariables/suspend/completion/staticStateMachine.kt
Vendored
+1 -1
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@@ -27,7 +27,7 @@ suspend fun box() {
// test.kt:13 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
// EXPECTATIONS JS_IR
// test.kt:12 box: $completion=EmptyContinuation
// test.kt:13 box: $completion=EmptyContinuation
// test.kt:12 box: $completion=EmptyContinuation
// test.kt:6 doResume:
// test.kt:4 foo: $completion=$foo1COROUTINE$0
compiler/testData/debug/localVariables/suspend/completion/staticStateMachineReceiver.kt
Vendored
+1 -1
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@@ -33,7 +33,7 @@ suspend fun box() {
// test.kt:15 box: $completion:kotlin.coroutines.Continuation=Generated_Box_MainKt$main$1
// EXPECTATIONS JS_IR
// test.kt:14 box: $completion=EmptyContinuation
// test.kt:15 box: $completion=EmptyContinuation
// test.kt:4 <init>:
// test.kt:14 box: $completion=EmptyContinuation
// test.kt:14 box: $completion=EmptyContinuation
compiler/testData/debug/localVariables/suspend/underscoreNames.kt
Vendored
+1 -1
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@@ -42,7 +42,7 @@ suspend fun box() = foo(A()) { (x_param, _, y_param) ->
// EXPECTATIONS JS_IR
// test.kt:12 box: $completion=EmptyContinuation
// test.kt:4 <init>:
// test.kt:12 box: $completion=EmptyContinuation
// test.kt:14 box: $completion=EmptyContinuation
// test.kt:12 box$slambda:
// test.kt:12 box: $completion=EmptyContinuation
// test.kt:10 foo: a=A, block=Function2, $completion=EmptyContinuation
compiler/testData/debug/localVariables/tryFinally10.kt
Vendored
-1
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@@ -66,7 +66,6 @@ fun box() {
// test.kt:9 compute: y=42:number, i=0:number, z=32:number
// test.kt:9 compute: y=42:number, i=0:number, z=32:number
// test.kt:9 compute: y=42:number, i=0:number, z=32:number, j=0:number
// test.kt:10 compute: y=42:number, i=0:number, z=32:number, j=0:number
// test.kt:24 compute: y=42:number, i=0:number, z=32:number, j=0:number
// test.kt:28 compute: y=42:number, i=0:number, z=32:number, j=0:number
// test.kt:29 compute: y=42:number, i=0:number, z=32:number, j=0:number, s2="OK":kotlin.String
compiler/testData/debug/localVariables/underscoreNames.kt
Vendored
-4
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@@ -66,9 +66,6 @@ fun box() {
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:4 <init>: x=1:number
// test.kt:4 <init>: x=1:number, y="":kotlin.String
// test.kt:4 <init>: x=1:number, y="":kotlin.String, z=48:number
@@ -78,7 +75,6 @@ fun box() {
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:8 <init properties test.kt>:
// test.kt:12 box:
// test.kt:4 <init>: x=1:number
// test.kt:4 <init>: x=1:number, y="":kotlin.String