If at least one of the range bounds is "pure", order doesn't matter

2017-07-07 13:07:29 +03:00
parent 22e12dc139
commit ad80c3cd7f
3 changed files with 22 additions and 3 deletions
@@ -52,8 +52,14 @@ class SimpleBoundedValue(
    ) : this(codegen, rangeCall, lowBound, true, highBound, true)

    override fun putHighLow(v: InstructionAdapter, type: Type) {
-        lowBound.put(type, v)
-        highBound.put(type, v)
-        AsmUtil.swap(v, type, type)
+        if (!lowBound.canHaveSideEffects() || !highBound.canHaveSideEffects()) {
+            highBound.put(type, v)
+            lowBound.put(type, v)
+        }
+        else {
+            lowBound.put(type, v)
+            highBound.put(type, v)
+            AsmUtil.swap(v, type, type)
+        }
    }
 }