Alexander Korepanov
79d378f2bd
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
65 lines
1.1 KiB
Kotlin
Vendored
65 lines
1.1 KiB
Kotlin
Vendored
// FILE: test.kt
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fun foo(x: Int) {
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when (val y =
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when {
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x == 0 -> 1
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x == 1 -> 2
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else -> 0
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}) {
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0 -> 3
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1 -> 4
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}
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}
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fun box() {
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foo(0)
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foo(1)
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foo(2)
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}
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// The JVM_IR backend optimizes the inner when to a switch and therefore goes directly to the
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// right case without stepping through evaluation of each condition.
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// EXPECTATIONS JVM JVM_IR
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// test.kt:16 box
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// test.kt:5 foo
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// test.kt:6 foo
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// test.kt:4 foo
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// test.kt:11 foo
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// test.kt:13 foo
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// test.kt:17 box
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// test.kt:5 foo
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// EXPECTATIONS JVM
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// test.kt:6 foo
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// EXPECTATIONS JVM JVM_IR
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// test.kt:7 foo
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// test.kt:4 foo
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// test.kt:13 foo
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// test.kt:18 box
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// test.kt:5 foo
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// EXPECTATIONS JVM
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// test.kt:6 foo
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// test.kt:7 foo
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// EXPECTATIONS JVM JVM_IR
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// test.kt:8 foo
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// test.kt:4 foo
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// test.kt:10 foo
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// test.kt:13 foo
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// test.kt:19 box
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// EXPECTATIONS JS_IR
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// test.kt:16 box
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// test.kt:5 foo
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// test.kt:6 foo
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// test.kt:13 foo
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// test.kt:17 box
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// test.kt:5 foo
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// test.kt:7 foo
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// test.kt:13 foo
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// test.kt:18 box
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// test.kt:5 foo
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// test.kt:8 foo
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// test.kt:13 foo
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// test.kt:19 box
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