Pseudocode: Introduce pseudo-value analysis

compiler/testData/cfg/arrays/arraySetPlusAssign.instructions

@@ -6,24 +6,23 @@ fun foo(a: Array<Int>) {
 L0:
   1 <START>
     v(a: Array<Int>)
-    w(a)
+    magic(a: Array<Int>) -> <v0>
+    w(a|<v0>)
   2 mark({ a[0] += 1 })
     mark(a[0] += 1)
     mark(a[0])
-    r(a)
-    r(0)
-    call(a[0], get)
-    r(1)
-    call(+=, plus)
-    mark(a[0])
-    r(a)
-    r(0)
-    r(1)
-    call(a[0], set)
+    r(a) -> <v1>
+    r(0) -> <v2>
+    call(a[0], get|<v1>, <v2>) -> <v3>
+    r(1) -> <v4>
+    call(+=, plus|<v3>, <v4>) -> <v5>
+    r(a) -> <v6>
+    r(0) -> <v7>
+    call(a[0] += 1, set|<v6>, <v7>, <v5>) -> <v8>
 L1:
-  1 <END>                  NEXT:[<SINK>]
+  1 <END>                                            NEXT:[<SINK>]
 error:
-    <ERROR>                PREV:[]
+    <ERROR>                                          PREV:[]
 sink:
-    <SINK>                 PREV:[<ERROR>, <END>]
+    <SINK>                                           PREV:[<ERROR>, <END>]
 =====================