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Pseudocode: Introduce pseudo-value analysis

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This commit is contained in:
Alexey Sedunov
2014-05-12 17:42:44 +04:00
parent 3ce96671d9
commit d2c055e9da
103 changed files with 2417 additions and 1432 deletions
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compiler/testData/cfg-variables/bugs/varInitializationInIfInCycle.instructions
+22 -19
View File
@@ -16,36 +16,38 @@ fun foo(numbers: Collection<Int>) {
L0:
1 <START> INIT: in: {} out: {}
v(numbers: Collection<Int>) INIT: in: {} out: {numbers=D}
w(numbers) INIT: in: {numbers=D} out: {numbers=ID}
magic(numbers: Collection<Int>) -> <v0> INIT: in: {numbers=D} out: {numbers=D}
w(numbers|<v0>) INIT: in: {numbers=D} out: {numbers=ID}
2 mark({ for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue } }) INIT: in: {numbers=ID} out: {numbers=ID}
3 mark(for (i in numbers) { val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue }) USE: in: {numbers=READ} out: {numbers=READ}
r(numbers) USE: in: {} out: {numbers=READ}
r(numbers) -> <v1> USE: in: {} out: {numbers=READ}
v(i) INIT: in: {numbers=ID} out: {i=D, numbers=ID}
L3:
jmp?(L2) INIT: in: {i=D, numbers=ID} out: {i=D, numbers=ID}
L4 [loop entry point]:
L5 [body entry point]:
w(i) INIT: in: {i=D, numbers=ID} out: {i=ID, numbers=ID} USE: in: {} out: {}
magic(numbers|<v1>) -> <v2>
w(i|<v2>) INIT: in: {i=D, numbers=ID} out: {i=ID, numbers=ID} USE: in: {} out: {}
4 mark({ 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}
v(val b: Boolean) INIT: in: {i=ID, numbers=ID} out: {b=D, i=ID, numbers=ID}
mark(if (1 < 2) { b = false } else { b = true }) INIT: in: {b=D, i=ID, numbers=ID} out: {b=D, i=ID, numbers=ID}
mark(1 < 2)
r(1)
r(2)
call(<, compareTo)
jf(L6)
r(1) -> <v3>
r(2) -> <v4>
call(<, compareTo|<v3>, <v4>) -> <v5>
jf(L6|<v5>)
5 mark({ b = false })
r(false) USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
w(b) INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
r(false) -> <v6> USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
w(b|<v6>) INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
4 jmp(L7) INIT: in: {b=ID, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {b=READ} out: {b=READ}
L6:
5 mark({ b = true }) INIT: in: {b=D, i=ID, numbers=ID} out: {b=D, i=ID, numbers=ID}
r(true) USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
w(b) INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
r(true) -> <v7> USE: in: {b=WRITTEN_AFTER_READ} out: {b=WRITTEN_AFTER_READ}
w(b|<v7>) INIT: in: {b=D, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {b=READ} out: {b=WRITTEN_AFTER_READ}
L7:
4 mark(use(b)) INIT: in: {b=ID, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {b=READ} out: {b=READ}
r(b) USE: in: {} out: {b=READ}
call(use, use)
r(b) -> <v8> USE: in: {} out: {b=READ}
call(use, use|<v8>) -> <v9>
jmp(L4 [loop entry point]) USE: in: {} out: {}
- 3 jmp?(L4 [loop entry point])
L2:
@@ -61,14 +63,15 @@ sink:
fun use(vararg a: Any?) = a
---------------------
L0:
1 <START> INIT: in: {} out: {}
v(vararg a: Any?) INIT: in: {} out: {a=D}
w(a) INIT: in: {a=D} out: {a=ID} USE: in: {a=READ} out: {a=READ}
r(a) INIT: in: {a=ID} out: {a=ID} USE: in: {} out: {a=READ}
1 <START> INIT: in: {} out: {}
v(vararg a: Any?) INIT: in: {} out: {a=D}
magic(vararg a: Any?) -> <v0> INIT: in: {a=D} out: {a=D}
w(a|<v0>) INIT: in: {a=D} out: {a=ID} USE: in: {a=READ} out: {a=READ}
r(a) -> <v1> INIT: in: {a=ID} out: {a=ID} USE: in: {} out: {a=READ}
L1:
<END>
error:
<ERROR> INIT: in: {} out: {}
<ERROR> INIT: in: {} out: {}
sink:
<SINK> INIT: in: {a=ID} out: {a=ID} USE: in: {} out: {}
<SINK> INIT: in: {a=ID} out: {a=ID} USE: in: {} out: {}
=====================