// TARGET_BACKEND: JVM_IR fun box(): String { for (i in 1..5 step 2 step 1) { } return "OK" } // For "step" progressions in JVM IR, a call to getProgressionLastElement() is made to compute the "last" value. This is normally done for // each nested call to "step", except when the step value is constant and == 1. // If the step is non-constant, there is a check that it is > 0, and if not, an IllegalArgumentException is thrown. However, when the // step is constant and > 0, this check does not need to be added. // // Expected lowered form of loop: // // // Additional variables: // val innerNestedLast = getProgressionLastElement(1, 5, 2) // // // Standard form of loop over progression // var inductionVar = 1 // val last = innerNestedLast // val step = 1 // if (inductionVar <= last) { // // Loop is not empty // do { // val i = inductionVar // inductionVar += step // // Loop body // } while (i != last) // } // 0 iterator // 0 getStart // 0 getEnd // 0 getFirst // 0 getLast // 0 getStep // 1 INVOKESTATIC kotlin/internal/ProgressionUtilKt.getProgressionLastElement // 0 NEW java/lang/IllegalArgumentException // 0 ATHROW // 1 IF_ICMPGT // 1 IF_ICMPNE // 2 IF