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

61 lines
962 B
Factor

USING: compiler.cfg.liveness compiler.cfg.debugger
compiler.cfg.instructions compiler.cfg.predecessors
compiler.cfg.registers compiler.cfg cpu.architecture
accessors namespaces sequences kernel tools.test vectors ;
IN: compiler.cfg.liveness.tests
: test-liveness ( -- )
cfg new 1 get >>entry
compute-live-sets ;
! Sanity check...
V{
T{ ##peek f 0 D 0 }
T{ ##replace f 0 D 0 }
T{ ##replace f 1 D 1 }
T{ ##peek f 1 D 1 }
T{ ##branch }
} 1 test-bb
V{
T{ ##replace f 2 D 0 }
T{ ##branch }
} 2 test-bb
V{
T{ ##replace f 3 D 0 }
T{ ##return }
} 3 test-bb
1 { 2 3 } edges
test-liveness
[
H{
{ 1 1 }
{ 2 2 }
{ 3 3 }
}
]
[ 1 get live-in ]
unit-test
! Tricky case; defs must be killed before uses
V{
T{ ##peek f 0 D 0 }
T{ ##branch }
} 1 test-bb
V{
T{ ##add-imm f 0 0 10 }
T{ ##return }
} 2 test-bb
1 2 edge
test-liveness
[ H{ { 0 0 } } ] [ 2 get live-in ] unit-test