factor/basis/compiler/cfg/dominance/dominance-tests.factor

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Factor

USING: accessors arrays assocs compiler.cfg compiler.cfg.dominance
compiler.cfg.dominance.private compiler.cfg.debugger compiler.cfg.predecessors
compiler.cfg.utilities grouping kernel math.ranges namespaces sequences sets
tools.test vectors ;
IN: compiler.cfg.dominance.tests
: test-dominance ( -- )
0 get block>cfg needs-dominance ;
! Example with no back edges
V{ } 0 test-bb
V{ } 1 test-bb
V{ } 2 test-bb
V{ } 3 test-bb
V{ } 4 test-bb
V{ } 5 test-bb
0 { 1 2 } edges
1 3 edge
2 4 edge
3 4 edge
4 5 edge
{ } [ test-dominance ] unit-test
{ t } [ 0 get dom-parent 0 get eq? ] unit-test
{ t } [ 1 get dom-parent 0 get eq? ] unit-test
{ t } [ 2 get dom-parent 0 get eq? ] unit-test
{ t } [ 4 get dom-parent 0 get eq? ] unit-test
{ t } [ 3 get dom-parent 1 get eq? ] unit-test
{ t } [ 5 get dom-parent 4 get eq? ] unit-test
{ t } [ 0 get dom-children 1 get 2 get 4 get 3array set= ] unit-test
{ t } [ 0 get 3 get dominates? ] unit-test
{ f } [ 3 get 4 get dominates? ] unit-test
{ f } [ 1 get 4 get dominates? ] unit-test
{ t } [ 4 get 5 get dominates? ] unit-test
{ f } [ 1 get 5 get dominates? ] unit-test
! Example from the paper
V{ } 0 test-bb
V{ } 1 test-bb
V{ } 2 test-bb
V{ } 3 test-bb
V{ } 4 test-bb
0 { 1 2 } edges
1 3 edge
2 4 edge
3 4 edge
4 3 edge
{ } [ test-dominance ] unit-test
{ t } [ 0 4 [a,b] [ get dom-parent 0 get eq? ] all? ] unit-test
! The other example from the paper
V{ } 0 test-bb
V{ } 1 test-bb
V{ } 2 test-bb
V{ } 3 test-bb
V{ } 4 test-bb
V{ } 5 test-bb
0 { 1 2 } edges
1 5 edge
2 { 4 3 } edges
5 4 edge
4 { 5 3 } edges
3 4 edge
{ } [ test-dominance ] unit-test
{ t } [ 0 5 [a,b] [ get dom-parent 0 get eq? ] all? ] unit-test
: non-det-test ( -- cfg )
9 iota [ V{ } clone over insns>block ] { } map>assoc dup
{
{ 0 1 }
{ 1 2 } { 1 7 }
{ 2 3 } { 2 5 }
{ 3 4 }
{ 5 6 }
{ 7 8 }
} make-edges 0 of block>cfg ;
: dom-childrens>numbers ( -- assoc )
dom-childrens get
[ [ number>> ] [ [ number>> ] map ] bi* ] assoc-map ;
! It is essential that the same dominance map is created each time and
! that it does not differ due to hashing irregularities.
{ t } [
20 [
non-det-test needs-dominance dom-childrens>numbers
] replicate all-equal?
] unit-test