Break / continue implementation, test with break / continue, related changes in loop & loop tests

compiler/testData/ir/irCfg/loop/digitCount.txt

@@ -40,6 +40,12 @@ OUTGOING -> BB 1
 BB 5
 INCOMING <- BB 3
     CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+CONTENT
+OUTGOING -> BB 6
+    Do..while exit: DO_WHILE label=null origin=DO_WHILE_LOOP
+BB 6
+INCOMING <- BB 5
+    Do..while exit: DO_WHILE label=null origin=DO_WHILE_LOOP
 CONTENT
       1 GET_VAR 'count: Int' type=kotlin.Int origin=null
       2 RETURN type=kotlin.Nothing from='digitCountInNumber(Int, Int): Int'

compiler/testData/ir/irCfg/loop/factorial.txt

@@ -28,6 +28,12 @@ OUTGOING -> BB 1
 BB 3
 INCOMING <- BB 1
     CALL 'hasNext(): Boolean' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
+CONTENT
+OUTGOING -> BB 4
+    While exit: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+BB 4
+INCOMING <- BB 3
+    While exit: WHILE label=null origin=FOR_LOOP_INNER_WHILE
 CONTENT
       1 GET_VAR 'result: Int' type=kotlin.Int origin=null
       2 RETURN type=kotlin.Nothing from='factorial(Int): Int'

compiler/testData/ir/irCfg/loop/isPerfect.kt

@@ -0,0 +1,9 @@
+fun isPerfect(n: Int): Boolean {
+    var sum = 1
+    for (m in 2..n/2) {
+        if (n % m > 0) continue
+        sum += m
+        if (sum > n) break
+    }
+    return sum == n
+}

compiler/testData/ir/irCfg/loop/isPerfect.txt

@@ -0,0 +1,74 @@
+// FILE: /isPerfect.kt
+// FUN: isPerfect
+BB 0
+CONTENT
+      1 FUN public fun isPerfect(n: kotlin.Int): kotlin.Boolean
+      2 CONST Int type=kotlin.Int value='1'
+      3 VAR var sum: kotlin.Int
+      4 CALL 'iterator(): IntIterator' type=kotlin.collections.IntIterator origin=FOR_LOOP_ITERATOR
+      5 VAR IR_TEMPORARY_VARIABLE val tmp0_iterator: kotlin.collections.IntIterator
+      6 WHILE label=null origin=FOR_LOOP_INNER_WHILE
+OUTGOING -> BB 1
+    While entry: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+BB 1
+INCOMING <- BB 0, 3, 6
+    While entry: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+CONTENT
+OUTGOING -> BB 2, 7
+    CALL 'hasNext(): Boolean' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
+BB 2
+INCOMING <- BB 1
+    CALL 'hasNext(): Boolean' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
+CONTENT
+      1 CALL 'next(): Int' type=kotlin.Int origin=FOR_LOOP_NEXT
+      2 VAR val m: kotlin.Int
+      3 WHEN type=kotlin.Unit origin=null
+OUTGOING -> BB 3, 4
+    CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+BB 3
+INCOMING <- BB 2
+    CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+CONTENT
+      1 CONTINUE label=null loop.label=null
+OUTGOING -> BB 1
+    While entry: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+BB 4
+INCOMING <- BB 2
+    CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+CONTENT
+      1 SET_VAR 'sum: Int' type=kotlin.Unit origin=PLUSEQ
+      2 WHEN type=kotlin.Unit origin=null
+OUTGOING -> BB 5, 6
+    CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+BB 5
+INCOMING <- BB 4
+    CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+CONTENT
+      1 BREAK label=null loop.label=null
+OUTGOING -> BB 8
+    While exit: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+BB 6
+INCOMING <- BB 4
+    CALL 'GT0(Int): Boolean' type=kotlin.Boolean origin=GT
+CONTENT
+OUTGOING -> BB 1
+    While entry: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+BB 7
+INCOMING <- BB 1
+    CALL 'hasNext(): Boolean' type=kotlin.Boolean origin=FOR_LOOP_HAS_NEXT
+CONTENT
+OUTGOING -> BB 8
+    While exit: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+BB 8
+INCOMING <- BB 5, 7
+    While exit: WHILE label=null origin=FOR_LOOP_INNER_WHILE
+CONTENT
+      1 CALL 'EQEQ(Any?, Any?): Boolean' type=kotlin.Boolean origin=EQEQ
+      2 RETURN type=kotlin.Nothing from='isPerfect(Int): Boolean'
+OUTGOING -> NONE
+    Function exit: FUN public fun isPerfect(n: kotlin.Int): kotlin.Boolean
+
+// END FUN: isPerfect
+
+// END FILE: /isPerfect.kt
+