== foo == fun foo(numbers: Collection) { for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue } } --------------------- L0: 1 INIT: in: {} out: {} v(numbers: Collection) INIT: in: {} out: {} magic[FAKE_INITIALIZER](numbers: Collection) -> INIT: in: {} out: {} w(numbers|) INIT: in: {} out: {} 2 mark({ for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue } }) INIT: in: {} out: {} 3 r(numbers) -> mark(numbers) call(numbers, iterator|) -> v(i) INIT: in: {} out: {} L2 [loop entry point]: L6 [condition entry point]: mark(numbers) INIT: in: {} out: {} call(numbers, hasNext) -> jmp?(L3) mark(numbers) call(numbers, next) -> magic[LOOP_RANGE_ITERATION](numbers|) -> w(i|) INIT: in: {} out: {} mark(for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue }) INIT: in: {} out: {} USE: in: {} out: {} L4 [body entry point]: 4 mark({ val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue }) v(val b: Boolean) INIT: in: {} out: {b=D} mark(if (1 < 2) { b = false } else { b = true }) INIT: in: {b=D} out: {b=D} r(1) -> r(2) -> mark(1 < 2) call(1 < 2, compareTo|, ) -> jf(L7|) 5 mark({ b = false }) r(false) -> USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ} w(b|) INIT: in: {b=D} out: {b=ID} USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ} 4 jmp(L8) INIT: in: {b=ID} out: {b=ID} USE: in: {b=READ} out: {b=READ} L7 [else branch]: 5 mark({ b = true }) INIT: in: {b=D} out: {b=D} r(true) -> USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ} w(b|) INIT: in: {b=D} out: {b=ID} USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ} L8 ['if' expression result]: 4 merge(if (1 < 2) { b = false } else { b = true }|!, !) -> INIT: in: {b=ID} out: {b=ID} USE: in: {b=READ} out: {b=READ} r(b) -> USE: in: {} out: {b=READ} mark(use(b)) call(use(b), use|) -> jmp(L6) USE: in: {} out: {} - 3 jmp(L2) L3 [loop exit point]: L5 [body exit point]: read (Unit) INIT: in: {} out: {} L1: 1 error: sink: USE: in: {} out: {} ===================== == use == fun use(vararg a: Any?) = a --------------------- L0: 1 INIT: in: {} out: {} v(vararg a: Any?) INIT: in: {} out: {} magic[FAKE_INITIALIZER](vararg a: Any?) -> INIT: in: {} out: {} w(a|) INIT: in: {} out: {} r(a) -> INIT: in: {} out: {} ret(*|) L1 L1: error: sink: USE: in: {} out: {} =====================