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CFA merge for definition / initialization : more accurate handling of unknown variables #KT-13969 Fixed

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(cherry picked from commit 4a96589)
This commit is contained in:
Mikhail Glukhikh
2016-09-26 12:51:24 +03:00
committed by Mikhail Glukhikh
parent 797f7ab28e
commit 436b0ec873
28 changed files with 167 additions and 91 deletions
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compiler/testData/cfg-variables/bugs/doWhileNotDefined.values
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+17
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@@ -0,0 +1,17 @@
== test ==
fun test(cond1: Boolean) {
do {
if (cond1) continue
val cond2 = false
} while (cond2)
}
---------------------
<v0>: Boolean NEW: magic[FAKE_INITIALIZER](cond1: Boolean) -> <v0>
cond1 <v1>: Boolean NEW: r(cond1) -> <v1>
continue !<v2>: *
if (cond1) continue <v3>: * NEW: merge(if (cond1) continue|!<v2>) -> <v3>
false <v4>: Boolean NEW: r(false) -> <v4>
cond2 <v5>: Boolean NEW: r(cond2) -> <v5>
do { if (cond1) continue val cond2 = false } while (cond2) !<v6>: *
{ do { if (cond1) continue val cond2 = false } while (cond2) } !<v6>: * COPY
=====================