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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/lexicalScopes/propertyAccessorScope.instructions
Vendored
+10 -10
View File
@@ -16,11 +16,11 @@ L0:
2 mark({ class A { var a : Int get() { return field } set(v: Int) { field = v } } })
jmp?(L2)
v(var a : Int get() { return field } set(v: Int) { field = v }) INIT: in: {} out: {a=D}
jmp?(L3) INIT: in: {a=D} out: {a=D} USE: in: {field=ONLY_WRITTEN_NEVER_READ, field=READ} out: {field=ONLY_WRITTEN_NEVER_READ, field=READ}
d(get() { return field }) USE: in: {field=READ} out: {field=READ}
jmp?(L3) INIT: in: {a=D} out: {a=D} USE: in: {field=ONLY_WRITTEN_NEVER_READ, field=READ} out: {field=ONLY_WRITTEN_NEVER_READ, field=READ}
d(get() { return field }) INIT: in: {a=-} out: {a=-} USE: in: {field=READ} out: {field=READ}
L3 [after local declaration]:
jmp?(L6)
d(set(v: Int) { field = v }) INIT: in: {a=D, field=I} out: {a=D, field=I} USE: in: {field=ONLY_WRITTEN_NEVER_READ} out: {field=ONLY_WRITTEN_NEVER_READ}
jmp?(L6) INIT: in: {a=D} out: {a=D}
d(set(v: Int) { field = v }) INIT: in: {a=-, field=I?} out: {a=-, field=I?} USE: in: {field=ONLY_WRITTEN_NEVER_READ} out: {field=ONLY_WRITTEN_NEVER_READ}
L1:
L2 [after local class]:
L6 [after local declaration]:
@@ -28,7 +28,7 @@ L6 [after local declaration]:
error:
<ERROR>
sink:
<SINK> INIT: in: {field=I} out: {field=I} USE: in: {} out: {}
<SINK> INIT: in: {field=I?} out: {field=I?} USE: in: {} out: {}
=====================
== get_a ==
get() {
@@ -45,7 +45,7 @@ L5:
error:
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {a=D} out: {a=D} USE: in: {} out: {}
<SINK> INIT: in: {a=-} out: {a=-} USE: in: {} out: {}
=====================
== set_a ==
set(v: Int) {
@@ -57,13 +57,13 @@ L7:
v(v: Int) INIT: in: {a=D} out: {a=D, v=D}
magic[FAKE_INITIALIZER](v: Int) -> <v0> INIT: in: {a=D, v=D} out: {a=D, v=D}
w(v|<v0>) INIT: in: {a=D, v=D} out: {a=D, v=ID}
4 mark({ field = v }) INIT: in: {a=D, v=ID} out: {a=D, v=ID} USE: in: {field=ONLY_WRITTEN_NEVER_READ, v=READ} out: {field=ONLY_WRITTEN_NEVER_READ, v=READ}
r(v) -> <v1> USE: in: {field=ONLY_WRITTEN_NEVER_READ} out: {field=ONLY_WRITTEN_NEVER_READ, v=READ}
w(field|<v1>) INIT: in: {a=D, v=ID} out: {a=D, field=I, v=ID} USE: in: {} out: {field=ONLY_WRITTEN_NEVER_READ}
4 mark({ field = v }) INIT: in: {a=D, v=ID} out: {a=D, v=ID} USE: in: {field=ONLY_WRITTEN_NEVER_READ, v=READ} out: {field=ONLY_WRITTEN_NEVER_READ, v=READ}
r(v) -> <v1> USE: in: {field=ONLY_WRITTEN_NEVER_READ} out: {field=ONLY_WRITTEN_NEVER_READ, v=READ}
w(field|<v1>) INIT: in: {a=D, v=ID} out: {a=D, field=I, v=ID} USE: in: {} out: {field=ONLY_WRITTEN_NEVER_READ}
L8:
3 <END> INIT: in: {a=D, field=I, v=ID} out: {a=D, field=I, v=ID}
error:
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {a=D, field=I, v=ID} out: {a=D, field=I, v=ID} USE: in: {} out: {}
<SINK> INIT: in: {a=-, field=I?, v=I?} out: {a=-, field=I?, v=I?} USE: in: {} out: {}
=====================