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Pseudocode: Generate merge instruction regardless of number of branches

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This commit is contained in:
Alexey Sedunov
2014-07-25 20:59:00 +04:00
parent d008cb8c21
commit 9f3ebe5f3b
21 changed files with 525 additions and 500 deletions
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compiler/testData/cfg/controlStructures/FinallyTestCopy.instructions
+17 -14
View File
@@ -304,44 +304,47 @@ L0:
w(list|<v0>)
2 mark({ try { doSmth() } finally { if(list != null) { } } })
mark(try { doSmth() } finally { if(list != null) { } })
jmp?(L2 [onExceptionToFinallyBlock]) NEXT:[mark({ if(list != null) { } }), mark({ doSmth() })]
jmp?(L2 [onExceptionToFinallyBlock]) NEXT:[mark({ if(list != null) { } }), mark({ doSmth() })]
3 mark({ doSmth() })
mark(doSmth())
call(doSmth(), doSmth) -> <v1>
2 jmp(L3 [skipFinallyToErrorBlock]) NEXT:[mark({ if(list != null) { } })]
2 jmp(L3 [skipFinallyToErrorBlock]) NEXT:[mark({ if(list != null) { } })]
L2 [onExceptionToFinallyBlock]:
L4 [start finally]:
3 mark({ if(list != null) { } }) PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
3 mark({ if(list != null) { } }) PREV:[jmp?(L2 [onExceptionToFinallyBlock])]
mark(if(list != null) { })
r(list) -> <v2>
r(null) -> <v3>
mark(list != null)
call(list != null, equals|<v2>, <v3>) -> <v4>
jf(L5|<v4>) NEXT:[read (Unit), mark({ })]
jf(L5|<v4>) NEXT:[read (Unit), mark({ })]
4 mark({ })
read (Unit)
3 jmp(L6) NEXT:[jmp(error)]
3 jmp(L6) NEXT:[merge(if(list != null) { }|!<v5>) -> <v6>]
L5:
read (Unit) PREV:[jf(L5|<v4>)]
read (Unit) PREV:[jf(L5|<v4>)]
L6:
merge(if(list != null) { }|!<v5>) -> <v6> PREV:[jmp(L6), read (Unit)]
L7 [finish finally]:
2 jmp(error) NEXT:[<ERROR>] PREV:[jmp(L6), read (Unit)]
2 jmp(error) NEXT:[<ERROR>]
L3 [skipFinallyToErrorBlock]:
3 mark({ if(list != null) { } }) PREV:[jmp(L3 [skipFinallyToErrorBlock])]
3 mark({ if(list != null) { } }) PREV:[jmp(L3 [skipFinallyToErrorBlock])]
mark(if(list != null) { })
r(list) -> <v2>
r(null) -> <v3>
mark(list != null)
call(list != null, equals|<v2>, <v3>) -> <v4>
jf(copy L5|<v4>) NEXT:[read (Unit), mark({ })]
jf(copy L5|<v4>) NEXT:[read (Unit), mark({ })]
4 mark({ })
read (Unit)
3 jmp(copy L6) NEXT:[<END>]
read (Unit) PREV:[jf(copy L5|<v4>)]
3 jmp(copy L6) NEXT:[merge(if(list != null) { }|!<v5>) -> <v6>]
read (Unit) PREV:[jf(copy L5|<v4>)]
merge(if(list != null) { }|!<v5>) -> <v6> PREV:[jmp(copy L6), read (Unit)]
2 merge(try { doSmth() } finally { if(list != null) { } }|<v1>) -> <v7>
L1:
1 <END> NEXT:[<SINK>] PREV:[jmp(copy L6), read (Unit)]
1 <END> NEXT:[<SINK>]
error:
<ERROR> PREV:[jmp(error)]
<ERROR> PREV:[jmp(error)]
sink:
<SINK> PREV:[<ERROR>, <END>]
<SINK> PREV:[<ERROR>, <END>]
=====================