Pseudocode: Generate fake values for Unit/Nothing-typed expressions
This commit is contained in:
Alexey Sedunov
@@ -7,6 +7,9 @@ tailRecursive fun test() : Int {
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}
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}
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---------------------
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test() <v0>: * NEW: call(test(), test) -> <v0>
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{ test() } <v0>: * COPY
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=====================
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{ // do nothing } !<v1>: *
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test() <v0>: * NEW: call(test(), test) -> <v0>
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{ test() } <v0>: * COPY
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try { // do nothing } finally { test() } !<v1>: * COPY
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{ try { // do nothing } finally { test() } } !<v1>: * COPY
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=====================
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@@ -7,5 +7,10 @@ tailRecursive fun test() : Int {
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}
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}
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---------------------
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test() <v0>: Int NEW: call(test(), test) -> <v0>
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=====================
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{ // do nothing } !<v2>: *
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test() <v0>: Int NEW: call(test(), test) -> <v0>
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return test() !<v1>: *
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{ return test() } !<v1>: * COPY
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try { // do nothing } finally { return test() } !<v2>: * COPY
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{ try { // do nothing } finally { return test() } } !<v2>: * COPY
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=====================
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@@ -24,23 +24,23 @@ L0:
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jf(L2|<v5>) NEXT:[read (Unit), r(sum) -> <v6>]
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r(sum) -> <v6>
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ret(*|<v6>) L1 NEXT:[<END>]
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- jmp(L3) NEXT:[r(x) -> <v7>] PREV:[]
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- jmp(L3) NEXT:[r(x) -> <v8>] PREV:[]
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L2:
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read (Unit) PREV:[jf(L2|<v5>)]
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L3:
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r(x) -> <v7>
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r(1) -> <v8>
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r(x) -> <v8>
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r(1) -> <v9>
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mark(x - 1)
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call(x - 1, minus|<v7>, <v8>) -> <v9>
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r(sum) -> <v10>
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r(x) -> <v11>
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call(x - 1, minus|<v8>, <v9>) -> <v10>
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r(sum) -> <v11>
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r(x) -> <v12>
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mark(sum + x)
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call(sum + x, plus|<v10>, <v11>) -> <v12>
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call(sum + x, plus|<v11>, <v12>) -> <v13>
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mark(sum(x - 1, sum + x))
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call(sum(x - 1, sum + x), sum|<v9>, <v12>) -> <v13>
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ret(*|<v13>) L1
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call(sum(x - 1, sum + x), sum|<v10>, <v13>) -> <v14>
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ret(*|<v14>) L1
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L1:
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1 <END> NEXT:[<SINK>] PREV:[ret(*|<v6>) L1, ret(*|<v13>) L1]
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1 <END> NEXT:[<SINK>] PREV:[ret(*|<v6>) L1, ret(*|<v14>) L1]
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error:
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<ERROR> PREV:[]
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sink:
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@@ -4,19 +4,23 @@ tailRecursive fun sum(x: Long, sum: Long): Long {
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return sum(x - 1, sum + x)
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}
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---------------------
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<v0>: Long NEW: magic[FAKE_INITIALIZER](x: Long) -> <v0>
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<v1>: Long NEW: magic[FAKE_INITIALIZER](sum: Long) -> <v1>
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x <v2>: OR{{<: Any}, {<: Any}} NEW: r(x) -> <v2>
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0 <v3>: {<: Number} NEW: r(0) -> <v3>
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toLong() <v4>: * NEW: call(toLong(), toLong|<v3>) -> <v4>
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0.toLong() <v4>: * COPY
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x == 0.toLong() <v5>: Boolean NEW: call(x == 0.toLong(), equals|<v2>, <v4>) -> <v5>
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sum <v6>: Long NEW: r(sum) -> <v6>
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x <v7>: Long NEW: r(x) -> <v7>
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1 <v8>: Int NEW: r(1) -> <v8>
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x - 1 <v9>: Long NEW: call(x - 1, minus|<v7>, <v8>) -> <v9>
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sum <v10>: Long NEW: r(sum) -> <v10>
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x <v11>: Long NEW: r(x) -> <v11>
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sum + x <v12>: Long NEW: call(sum + x, plus|<v10>, <v11>) -> <v12>
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sum(x - 1, sum + x) <v13>: Long NEW: call(sum(x - 1, sum + x), sum|<v9>, <v12>) -> <v13>
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<v0>: Long NEW: magic[FAKE_INITIALIZER](x: Long) -> <v0>
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<v1>: Long NEW: magic[FAKE_INITIALIZER](sum: Long) -> <v1>
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x <v2>: OR{{<: Any}, {<: Any}} NEW: r(x) -> <v2>
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0 <v3>: {<: Number} NEW: r(0) -> <v3>
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toLong() <v4>: * NEW: call(toLong(), toLong|<v3>) -> <v4>
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0.toLong() <v4>: * COPY
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x == 0.toLong() <v5>: Boolean NEW: call(x == 0.toLong(), equals|<v2>, <v4>) -> <v5>
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sum <v6>: Long NEW: r(sum) -> <v6>
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return sum !<v7>: *
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if (x == 0.toLong()) return sum !<v7>: * COPY
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x <v8>: Long NEW: r(x) -> <v8>
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1 <v9>: Int NEW: r(1) -> <v9>
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x - 1 <v10>: Long NEW: call(x - 1, minus|<v8>, <v9>) -> <v10>
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sum <v11>: Long NEW: r(sum) -> <v11>
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x <v12>: Long NEW: r(x) -> <v12>
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sum + x <v13>: Long NEW: call(sum + x, plus|<v11>, <v12>) -> <v13>
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sum(x - 1, sum + x) <v14>: Long NEW: call(sum(x - 1, sum + x), sum|<v10>, <v13>) -> <v14>
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return sum(x - 1, sum + x) !<v15>: *
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{ if (x == 0.toLong()) return sum return sum(x - 1, sum + x) } !<v15>: * COPY
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=====================
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@@ -11,24 +11,25 @@ L0:
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1 <START>
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2 mark({ try { return foo() } catch (e: Throwable) { } })
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mark(try { return foo() } catch (e: Throwable) { })
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jmp?(L2 [onException]) NEXT:[v(e: Throwable), mark({ return foo() })]
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jmp?(L2 [onException]) NEXT:[v(e: Throwable), mark({ return foo() })]
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3 mark({ return foo() })
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mark(foo())
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call(foo(), foo) -> <v0>
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ret(*|<v0>) L1 NEXT:[<END>]
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- 2 jmp(L3 [afterCatches]) NEXT:[<END>] PREV:[]
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ret(*|<v0>) L1 NEXT:[<END>]
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- 2 jmp(L3 [afterCatches]) NEXT:[merge(try { return foo() } catch (e: Throwable) { }|!<v1>, !<v3>) -> <v4>] PREV:[]
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L2 [onException]:
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3 v(e: Throwable) PREV:[jmp?(L2 [onException])]
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magic[FAKE_INITIALIZER](e: Throwable) -> <v1>
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w(e|<v1>)
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3 v(e: Throwable) PREV:[jmp?(L2 [onException])]
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magic[FAKE_INITIALIZER](e: Throwable) -> <v2>
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w(e|<v2>)
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4 mark({ })
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read (Unit)
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3 jmp(L3 [afterCatches])
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L1:
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L3 [afterCatches]:
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1 <END> NEXT:[<SINK>] PREV:[ret(*|<v0>) L1, jmp(L3 [afterCatches])]
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2 merge(try { return foo() } catch (e: Throwable) { }|!<v1>, !<v3>) -> <v4>
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L1:
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1 <END> NEXT:[<SINK>] PREV:[ret(*|<v0>) L1, merge(try { return foo() } catch (e: Throwable) { }|!<v1>, !<v3>) -> <v4>]
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error:
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<ERROR> PREV:[]
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<ERROR> PREV:[]
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sink:
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<SINK> PREV:[<ERROR>, <END>]
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<SINK> PREV:[<ERROR>, <END>]
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=====================
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@@ -7,6 +7,11 @@ tailRecursive fun foo() {
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}
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}
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---------------------
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<v1>: {<: Throwable} NEW: magic[FAKE_INITIALIZER](e: Throwable) -> <v1>
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foo() <v0>: Unit NEW: call(foo(), foo) -> <v0>
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<v2>: {<: Throwable} NEW: magic[FAKE_INITIALIZER](e: Throwable) -> <v2>
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foo() <v0>: Unit NEW: call(foo(), foo) -> <v0>
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return foo() !<v1>: *
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{ return foo() } !<v1>: * COPY
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{ } !<v3>: *
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try { return foo() } catch (e: Throwable) { } <v4>: * NEW: merge(try { return foo() } catch (e: Throwable) { }|!<v1>, !<v3>) -> <v4>
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{ try { return foo() } catch (e: Throwable) { } } <v4>: * COPY
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=====================
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