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Store only data for variables declared in current lexical scope.

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Remove data for other variables (when leaving a scope).
This commit is contained in:
Svetlana Isakova
2014-03-05 19:35:39 +04:00
parent 9dd23d9289
commit 35c6a656c9
17 changed files with 219 additions and 131 deletions
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compiler/testData/cfg-variables/basic/VariablesUsage.instructions
+10 -10
View File
@@ -7,7 +7,7 @@ fun foo() {
}
---------------------
L0:
1 <START> INIT: in: {} out: {}
1 <START> INIT: in: {} out: {} USE: in: {} out: {}
2 mark({ var a = 1 use(a) a = 2 use(a) })
v(var a = 1) INIT: in: {} out: {a=D}
r(1) INIT: in: {a=D} out: {a=D}
@@ -21,11 +21,11 @@ L0:
r(a) USE: in: {} out: {a=READ}
call(use, use)
L1:
1 <END>
1 <END> INIT: in: {} out: {}
error:
<ERROR> INIT: in: {} out: {}
<ERROR>
sink:
<SINK> INIT: in: {a=ID} out: {a=ID} USE: in: {} out: {}
<SINK> USE: in: {} out: {}
=====================
== bar ==
fun bar() {
@@ -34,17 +34,17 @@ fun bar() {
}
---------------------
L0:
1 <START> INIT: in: {} out: {}
1 <START> INIT: in: {} out: {} USE: in: {} out: {}
2 mark({ val b: Int b = 3 })
v(val b: Int) INIT: in: {} out: {b=D}
r(3) INIT: in: {b=D} out: {b=D} USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
w(b) INIT: in: {b=D} out: {b=ID} USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
r(3) INIT: in: {b=D} out: {b=D} USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
w(b) INIT: in: {b=D} out: {b=ID} USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
L1:
1 <END> INIT: in: {b=ID} out: {b=ID}
1 <END> INIT: in: {} out: {}
error:
<ERROR> INIT: in: {} out: {}
<ERROR>
sink:
<SINK> INIT: in: {b=ID} out: {b=ID} USE: in: {} out: {}
<SINK> USE: in: {} out: {}
=====================
== use ==
fun use(a: Int) = a