// TARGET_BACKEND: JVM_IR fun box(): String { for (i in (1..8).reversed() step 2) { } return "OK" } // For "step" progressions in JVM IR, a call to getProgressionLastElement() is made to compute the "last" value. // 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: // // // Standard form of loop over progression // val last = getProgressionLastElement(8, 1, -2) // var inductionVar = 8 // val step = -2 // if (last <= inductionVar) { // // Loop is not empty // do { // val i = inductionVar // inductionVar += step // // Loop body // } while (i != last) // } // // We can't use "0 reversed" in the regex below because "reversed" is in the test filename. // 0 INVOKE.*reversed // 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