Dmitry Petrov
30 lines
895 B
Kotlin
Vendored
30 lines
895 B
Kotlin
Vendored
// IMPORTANT!
|
|
// Please, when your changes cause failures in bytecodeText tests for 'for' loops,
|
|
// examine the resulting bytecode shape carefully.
|
|
// Range and progression-based loops generated with Kotlin compiler should be
|
|
// as close as possible to Java counter loops ('for (int i = a; i < b; ++i) { ... }').
|
|
// Otherwise it may result in performance regression due to missing HotSpot optimizations.
|
|
// Run Kotlin compiler benchmarks (https://github.com/Kotlin/kotlin-benchmarks)
|
|
// with compiler built from your changes if you are not sure.
|
|
|
|
fun intArray() = intArrayOf(0, 0, 0, 0)
|
|
fun longArray() = longArrayOf(0, 0, 0, 0)
|
|
|
|
fun f(): Int {
|
|
var n = 0
|
|
for (i in intArray()) {
|
|
n++
|
|
}
|
|
|
|
for (i in longArray()) {
|
|
n++
|
|
}
|
|
return n
|
|
}
|
|
|
|
// 0 iterator
|
|
// 1 INVOKESTATIC .*\.intArray \(\)
|
|
// 1 INVOKESTATIC .*\.longArray \(\)
|
|
// 2 ARRAYLENGTH
|
|
// 2 IF_ICMPGE
|
|
// 2 IF |