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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/basic/UsageInFunctionLiteral.instructions
+6 -6
View File
@@ -39,14 +39,14 @@ L3:
magic(x: Int) -> <v0> INIT: in: {x=D} out: {x=D}
w(x|<v0>) INIT: in: {x=D} out: {x=ID}
4 mark(val y = x + a use(a)) INIT: in: {x=ID} out: {x=ID}
v(val y = x + a) INIT: in: {x=ID} out: {x=ID, y=D}
mark(x + a) INIT: in: {x=ID, y=D} out: {x=ID, y=D} USE: in: {a=READ, x=READ} out: {a=READ, x=READ}
r(x) -> <v1> USE: in: {a=READ} out: {a=READ, x=READ}
v(val y = x + a) INIT: in: {x=ID} out: {x=ID, y=D} USE: in: {a=READ, x=READ} out: {a=READ, x=READ}
r(x) -> <v1> INIT: in: {x=ID, y=D} out: {x=ID, y=D} USE: in: {a=READ} out: {a=READ, x=READ}
r(a) -> <v2>
mark(x + a)
call(+, plus|<v1>, <v2>) -> <v3>
w(y|<v3>) INIT: in: {x=ID, y=D} out: {x=ID, y=ID}
mark(use(a)) INIT: in: {x=ID, y=ID} out: {x=ID, y=ID} USE: in: {a=READ} out: {a=READ}
r(a) -> <v4> USE: in: {} out: {a=READ}
w(y|<v3>) INIT: in: {x=ID, y=D} out: {x=ID, y=ID} USE: in: {a=READ} out: {a=READ}
r(a) -> <v4> INIT: in: {x=ID, y=ID} out: {x=ID, y=ID} USE: in: {} out: {a=READ}
mark(use(a))
call(use, use|<v4>) -> <v5>
L4:
3 <END> INIT: in: {x=ID} out: {x=ID}