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Pseudocode: Introduce pseudo-value analysis

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This commit is contained in:
Alexey Sedunov
2014-05-12 17:42:44 +04:00
parent 3ce96671d9
commit d2c055e9da
103 changed files with 2417 additions and 1432 deletions
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compiler/testData/cfg-variables/basic/VariablesInitialization.instructions
+13 -12
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@@ -10,12 +10,12 @@ L0:
1 <START> INIT: in: {} out: {} USE: in: {} out: {}
2 mark({ val a = 1 val b: Int b = 2 42 })
v(val a = 1) INIT: in: {} out: {a=D}
r(1) INIT: in: {a=D} out: {a=D}
w(a) INIT: in: {a=D} out: {a=ID}
r(1) -> <v0> INIT: in: {a=D} out: {a=D}
w(a|<v0>) INIT: in: {a=D} out: {a=ID}
v(val b: Int) INIT: in: {a=ID} out: {a=ID, b=D}
r(2) INIT: in: {a=ID, b=D} out: {a=ID, b=D} USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
w(b) INIT: in: {a=ID, b=D} out: {a=ID, b=ID} USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
r(42) INIT: in: {a=ID, b=ID} out: {a=ID, b=ID}
r(2) -> <v1> INIT: in: {a=ID, b=D} out: {a=ID, b=D} USE: in: {b=ONLY_WRITTEN_NEVER_READ} out: {b=ONLY_WRITTEN_NEVER_READ}
w(b|<v1>) INIT: in: {a=ID, b=D} out: {a=ID, b=ID} USE: in: {} out: {b=ONLY_WRITTEN_NEVER_READ}
r(42) -> <v2> INIT: in: {a=ID, b=ID} out: {a=ID, b=ID}
L1:
1 <END> INIT: in: {} out: {}
error:
@@ -33,15 +33,16 @@ fun bar(foo: Foo) {
L0:
1 <START> INIT: in: {} out: {}
v(foo: Foo) INIT: in: {} out: {foo=D}
w(foo) INIT: in: {foo=D} out: {foo=ID}
magic(foo: Foo) -> <v0> INIT: in: {foo=D} out: {foo=D}
w(foo|<v0>) INIT: in: {foo=D} out: {foo=ID}
2 mark({ foo.c foo.c = 2 42 }) INIT: in: {foo=ID} out: {foo=ID}
mark(foo.c)
r(foo) USE: in: {c=READ, foo=READ} out: {c=READ, foo=READ}
r(c) USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=READ, foo=READ}
r(2) USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
r(foo) USE: in: {c=ONLY_WRITTEN_NEVER_READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
w(foo.c) INIT: in: {foo=ID} out: {c=I, foo=ID} USE: in: {} out: {c=ONLY_WRITTEN_NEVER_READ}
r(42) INIT: in: {c=I, foo=ID} out: {c=I, foo=ID}
r(foo) -> <v1> USE: in: {c=READ, foo=READ} out: {c=READ, foo=READ}
r(c|<v1>) -> <v2> USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=READ, foo=READ}
r(2) -> <v3> USE: in: {c=ONLY_WRITTEN_NEVER_READ, foo=READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
r(foo) -> <v4> USE: in: {c=ONLY_WRITTEN_NEVER_READ} out: {c=ONLY_WRITTEN_NEVER_READ, foo=READ}
w(foo.c|<v4>, <v3>) INIT: in: {foo=ID} out: {c=I, foo=ID} USE: in: {} out: {c=ONLY_WRITTEN_NEVER_READ}
r(42) -> <v5> INIT: in: {c=I, foo=ID} out: {c=I, foo=ID}
L1:
1 <END>
error: