Mark Punzalan
50 lines
1.4 KiB
Kotlin
Vendored
50 lines
1.4 KiB
Kotlin
Vendored
// TARGET_BACKEND: JVM_IR
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// WITH_RUNTIME
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fun box(): String {
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val uintRange = 1u..7u
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for (i in uintRange step 2) {
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}
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return "OK"
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}
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// For "step" progressions in JVM IR, a call to getProgressionLastElement() is made to compute the "last" value.
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// If "step" is called on a non-literal progression, there is a check to see if that progression's step value is < 0.
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// However, if the progression is of type *Range (e.g., IntRange) instead of *Progression (e.g., IntProgression), this
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// check is not needed since *Range always has step == 1.
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//
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// Expected lowered form of loop:
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//
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// // Additional statements:
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// val nestedFirst = uintRange.first
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// val nestedLast = uintRange.last
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//
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// // Standard form of loop over progression
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// var inductionVar = nestedFirst
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// val last = getProgressionLastElement(nestedFirst, nestedLast, 2)
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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 += 2
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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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// 1 getFirst
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// 1 getLast
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// 0 getStep
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// 1 INVOKESTATIC kotlin/internal/UProgressionUtilKt.getProgressionLastElement
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// 0 NEW java/lang/IllegalArgumentException
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// 0 ATHROW
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// 1 INVOKESTATIC kotlin/UnsignedKt.uintCompare
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// 1 IFGT
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// 1 IF_ICMPNE
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// 2 IF
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// 0 INEG
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// 0 INVOKESTATIC kotlin/UInt.constructor-impl
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// 0 INVOKE\w+ kotlin/UInt.(un)?box-impl
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