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690b8e0ac9
Introduce lowering to remove null checks for primitive type expressions and replace them with true/false. Side-effects are preserved. Generate ifnull/ifnonnull instructions for null checks instead of materializing a null literal for an equality check.
25 lines
523 B
Kotlin
Vendored
25 lines
523 B
Kotlin
Vendored
fun almostAlwaysTrue() = true
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fun runNoInline(f: () -> Unit) = f()
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fun test() {
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lateinit var z: String
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runNoInline {
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// NB this code can be executed in a different thread multiple times, each time with different results.
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// So, 'z' can be initialized at any moment, and should be checked on every read.
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if (almostAlwaysTrue()) {
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z = ""
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}
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}
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println(z)
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println(z)
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println(z)
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}
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// 0 IFNULL
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// 3 IFNONNULL
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// 3 throwUninitializedPropertyAccessException
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