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More precise value reassignment analysis. #KT-7418 Fixed. #KT-6902 Fixed.

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Variable can now be "exactly initialized", "may be initialized" and "not initialized".
A set of relevant tests. Some fixed tests.
This commit is contained in:
Mikhail Glukhikh
2015-09-01 19:16:27 +03:00
parent c59b118b09
commit 285d5d06c7
26 changed files with 269 additions and 53 deletions
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compiler/testData/cfg-variables/bugs/referenceToPropertyInitializer.instructions
Vendored
+3 -3
View File
@@ -10,7 +10,7 @@ L0:
v(val sum: (Int)->Int = { (x: Int) -> sum(x - 1) + x }) INIT: in: {} out: {sum=D}
mark({ (x: Int) -> sum(x - 1) + x }) INIT: in: {sum=D} out: {sum=D}
jmp?(L2)
d({ (x: Int) -> sum(x - 1) + x }) USE: in: {sum=READ} out: {sum=READ}
d({ (x: Int) -> sum(x - 1) + x }) USE: in: {sum=READ} out: {sum=READ}
L2 [after local declaration]:
r({ (x: Int) -> sum(x - 1) + x }) -> <v0>
w(sum|<v0>) INIT: in: {sum=D} out: {sum=ID}
@@ -19,7 +19,7 @@ L1:
error:
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {sum=D} out: {sum=D} USE: in: {} out: {}
<SINK> INIT: in: {sum=I?D} out: {sum=I?D} USE: in: {} out: {}
=====================
== anonymous_0 ==
{ (x: Int) ->
@@ -101,7 +101,7 @@ L1:
error:
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {obj=D} out: {obj=D} USE: in: {} out: {}
<SINK> INIT: in: {obj=I?D} out: {obj=I?D} USE: in: {} out: {}
=====================
== foo ==
fun foo() {
compiler/testData/cfg-variables/bugs/varInitializationInIfInCycle.instructions
Vendored
+3 -3
View File
@@ -23,9 +23,9 @@ L0:
v(i) INIT: in: {numbers=ID} out: {i=D, numbers=ID}
L2 [loop entry point]:
L6 [condition entry point]:
jmp?(L3) INIT: in: {i=D, numbers=ID} out: {i=D, numbers=ID}
jmp?(L3) INIT: in: {i=I?D, numbers=ID} out: {i=I?D, numbers=ID}
magic[LOOP_RANGE_ITERATION](numbers|<v1>) -> <v2>
w(i|<v2>) INIT: in: {i=D, numbers=ID} out: {i=ID, numbers=ID}
w(i|<v2>) INIT: in: {i=I?D, numbers=ID} out: {i=ID, numbers=ID}
mark(for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue }) INIT: in: {i=ID, numbers=ID} out: {i=ID, numbers=ID} USE: in: {} out: {}
L4 [body entry point]:
4 mark({ val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue })
@@ -53,7 +53,7 @@ L8 ['if' expression result]:
- 3 jmp(L2)
L3 [loop exit point]:
L5 [body exit point]:
read (Unit) INIT: in: {i=D, numbers=ID} out: {i=D, numbers=ID}
read (Unit) INIT: in: {i=I?D, numbers=ID} out: {i=I?D, numbers=ID}
L1:
1 <END> INIT: in: {numbers=ID} out: {numbers=ID}
error: