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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/controlStructures/If.instructions
+8 -8
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@@ -30,12 +30,12 @@ L0:
mark("s")
r("s") -> <v2>
w(u|<v2>)
2 jmp(L3) NEXT:[mark(doSmth(u))]
2 jmp(L3) NEXT:[r(u) -> <v3>]
L2:
read (Unit) PREV:[jf(L2|<v1>)]
L3:
mark(doSmth(u)) PREV:[jmp(L3), read (Unit)]
r(u) -> <v3>
r(u) -> <v3> PREV:[jmp(L3), read (Unit)]
mark(doSmth(u))
call(doSmth, doSmth|<v3>) -> <v4>
v(var r: String)
mark(if (b) { r = "s" } else { r = "t" })
@@ -45,15 +45,15 @@ L3:
mark("s")
r("s") -> <v6>
w(r|<v6>)
2 jmp(L5) NEXT:[mark(doSmth(r))]
2 jmp(L5) NEXT:[r(r) -> <v8>]
L4:
3 mark({ r = "t" }) PREV:[jf(L4|<v5>)]
mark("t")
r("t") -> <v7>
w(r|<v7>)
L5:
2 mark(doSmth(r)) PREV:[jmp(L5), w(r|<v7>)]
r(r) -> <v8>
2 r(r) -> <v8> PREV:[jmp(L5), w(r|<v7>)]
mark(doSmth(r))
call(doSmth, doSmth|<v8>) -> <v9>
L1:
1 <END> NEXT:[<SINK>]
@@ -88,12 +88,12 @@ L0:
jf(L2|<v2>) NEXT:[read (Unit), mark({ return; })]
3 mark({ return; })
ret L1 NEXT:[<END>]
- 2 jmp(L3) NEXT:[mark(doSmth(i))] PREV:[]
- 2 jmp(L3) NEXT:[r(i) -> <v3>] PREV:[]
L2:
read (Unit) PREV:[jf(L2|<v2>)]
L3:
mark(doSmth(i))
r(i) -> <v3>
mark(doSmth(i))
call(doSmth, doSmth|<v3>) -> <v4>
mark(if (i is Int) { return; })
mark(i is Int)