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Mark some expressions after processing their components

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when it's semantically correct

Expressions: calls, 'for' loops, elvis operators
It's significant for reporting 'unreachable code' correctly
This commit is contained in:
Svetlana Isakova
2014-06-12 12:58:57 +04:00
parent 6e622f2301
commit 9480907514
39 changed files with 181 additions and 178 deletions
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compiler/testData/cfg-variables/bugs/varInitializationInIfInCycle.instructions
+8 -8
View File
@@ -18,22 +18,22 @@ L0:
v(numbers: Collection<Int>) INIT: in: {} out: {numbers=D}
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) -> <v1> USE: in: {} out: {numbers=READ}
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} USE: in: {numbers=READ} out: {numbers=READ}
3 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]:
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}
w(i|<v2>) INIT: in: {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: {}
4 mark({ val b: Boolean if (1 < 2) { b = false } else { b = true } use(b) continue })
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) -> <v3>
r(2) -> <v4>
mark(1 < 2)
call(<, compareTo|<v3>, <v4>) -> <v5>
jf(L6|<v5>)
5 mark({ b = false })
@@ -45,8 +45,8 @@ L6:
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) -> <v8> USE: in: {} out: {b=READ}
4 r(b) -> <v8> INIT: in: {b=ID, i=ID, numbers=ID} out: {b=ID, i=ID, numbers=ID} USE: in: {} out: {b=READ}
mark(use(b))
call(use, use|<v8>) -> <v9>
jmp(L4 [loop entry point]) USE: in: {} out: {}
- 3 jmp?(L4 [loop entry point])