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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/expressions/LazyBooleans.instructions
+9 -7
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@@ -70,20 +70,22 @@ L9:
r(a) -> <v21>
jf(L10|<v21>) NEXT:[read (Unit), r(11) -> <v22>]
r(11) -> <v22>
jmp(L11) NEXT:[r(12) -> <v23>]
jmp(L11) NEXT:[merge(if (a) 11|<v22>) -> <v23>]
L10:
read (Unit) PREV:[jf(L10|<v21>)]
L11:
r(12) -> <v23> PREV:[jmp(L11), read (Unit)]
merge(if (a) 11|<v22>) -> <v23> PREV:[jmp(L11), read (Unit)]
r(12) -> <v24>
mark(if (a) else 13)
r(a) -> <v24>
jf(L12|<v24>) NEXT:[r(13) -> <v25>, read (Unit)]
r(a) -> <v25>
jf(L12|<v25>) NEXT:[r(13) -> <v26>, read (Unit)]
read (Unit)
jmp(L13) NEXT:[r(14) -> <v26>]
jmp(L13) NEXT:[merge(if (a) else 13|<v26>) -> <v27>]
L12:
r(13) -> <v25> PREV:[jf(L12|<v24>)]
r(13) -> <v26> PREV:[jf(L12|<v25>)]
L13:
r(14) -> <v26> PREV:[jmp(L13), r(13) -> <v25>]
merge(if (a) else 13|<v26>) -> <v27> PREV:[jmp(L13), r(13) -> <v26>]
r(14) -> <v28>
L1:
1 <END> NEXT:[<SINK>]
error: