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50 lines
1.4 KiB
Kotlin
Vendored
50 lines
1.4 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM_IR
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fun one() = 1
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fun box(): String {
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for (i in 1..6 step one() step one()) {
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}
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return "OK"
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}
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// For "step" progressions in JVM IR, if the step is non-constant, there is a check that it is > 0, and if not, an IllegalArgumentException
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// is thrown.
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//
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// Expected lowered form of loop:
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//
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// // Additional variables:
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// val innerStepArg = one()
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// val innerNewStep = if (innerStepArg > 0) innerStepArg
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// else throw IllegalArgumentException("Step must be positive, was: $innerStepArg.")
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// val outerNestedLast = getProgressionLastElement(1, 6, innerNewStep)
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// val outerStepArg = one()
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// val outerNewStep = if (outerStepArg > 0) outerStepArg
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// else throw IllegalArgumentException("Step must be positive, was: $outerStepArg.")
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//
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// // Standard form of loop over progression
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// var inductionVar = 1
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// val last = getProgressionLastElement(1, outerNestedLast, outerNewStep)
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// val step = outerNewStep
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// if (inductionVar <= last) {
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// // Loop is not empty
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// do {
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// val i = inductionVar
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// inductionVar += step
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// // Loop body
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// } while (i != last)
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// }
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// 0 iterator
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// 0 getStart
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// 0 getEnd
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// 0 getFirst
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// 0 getLast
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// 0 getStep
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// 2 INVOKESTATIC kotlin/internal/ProgressionUtilKt.getProgressionLastElement
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// 2 NEW java/lang/IllegalArgumentException
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// 2 ATHROW
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// 1 IF_ICMPGT
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// 1 IF_ICMPNE
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// 2 IFLE
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// 4 IF |