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from rpython.jit.codewriter.liveness import compute_liveness
from rpython.jit.codewriter.format import unformat_assembler, assert_format
class TestFlatten:
def liveness_test(self, input, output):
ssarepr = unformat_assembler(input)
compute_liveness(ssarepr)
assert_format(ssarepr, output)
def test_simple_no_live(self):
self.liveness_test("""
-live-
int_add %i0, $10 -> %i1
-live-
""", """
-live- %i0
int_add %i0, $10 -> %i1
-live-
""")
def test_simple(self):
self.liveness_test("""
-live-
int_add %i0, $10 -> %i1
-live-
int_add %i0, $3 -> %i2
-live-
int_mul %i1, %i2 -> %i3
-live-
int_add %i0, $6 -> %i4
-live-
int_mul %i3, %i4 -> %i5
-live-
int_return %i5
""", """
-live- %i0
int_add %i0, $10 -> %i1
-live- %i0, %i1
int_add %i0, $3 -> %i2
-live- %i0, %i1, %i2
int_mul %i1, %i2 -> %i3
-live- %i0, %i3
int_add %i0, $6 -> %i4
-live- %i3, %i4
int_mul %i3, %i4 -> %i5
-live- %i5
int_return %i5
""")
def test_one_path(self):
self.liveness_test("""
int_add %i0, $5 -> %i2
-live-
int_is_true %i2 -> %i3
goto_if_not %i3, L1
int_copy %i0 -> %i4
int_add %i4, $1 -> %i5
-live-
int_return %i5
---
L1:
int_copy %i1 -> %i6
int_add %i6, $2 -> %i7
-live-
int_return %i7
""", """
int_add %i0, $5 -> %i2
-live- %i0, %i1, %i2
int_is_true %i2 -> %i3
goto_if_not %i3, L1
int_copy %i0 -> %i4
int_add %i4, $1 -> %i5
-live- %i5
int_return %i5
---
L1:
int_copy %i1 -> %i6
int_add %i6, $2 -> %i7
-live- %i7
int_return %i7
""")
def test_other_path(self):
self.liveness_test("""
int_add %i0, $5 -> %i2
-live- %i2
int_is_true %i2 -> %i3
goto_if_not %i3, L1
int_copy %i0 -> %i4
int_copy %i1 -> %i5
int_add %i4, %i5 -> %i6
-live- %i6
int_return %i6
---
L1:
int_copy %i0 -> %i7
int_add %i7, $2 -> %i8
-live- %i8
int_return %i8
""", """
int_add %i0, $5 -> %i2
-live- %i0, %i1, %i2
int_is_true %i2 -> %i3
goto_if_not %i3, L1
int_copy %i0 -> %i4
int_copy %i1 -> %i5
int_add %i4, %i5 -> %i6
-live- %i6
int_return %i6
---
L1:
int_copy %i0 -> %i7
int_add %i7, $2 -> %i8
-live- %i8
int_return %i8
""")
def test_no_path(self):
self.liveness_test("""
int_add %i0, %i1 -> %i2
-live- %i2
int_is_true %i2 -> %i3
goto_if_not %i3, L1
int_copy %i0 -> %i4
int_add %i4, $5 -> %i5
-live- %i5
int_return %i5
---
L1:
int_copy %i0 -> %i6
int_add %i6, $2 -> %i7
-live- %i7
int_return %i7
""", """
int_add %i0, %i1 -> %i2
-live- %i0, %i2
int_is_true %i2 -> %i3
goto_if_not %i3, L1
int_copy %i0 -> %i4
int_add %i4, $5 -> %i5
-live- %i5
int_return %i5
---
L1:
int_copy %i0 -> %i6
int_add %i6, $2 -> %i7
-live- %i7
int_return %i7
""")
def test_list_of_kind(self):
self.liveness_test("""
-live-
foobar I[$25, %i0]
""", """
-live- %i0
foobar I[$25, %i0]
""")
def test_switch(self):
self.liveness_test("""
goto_maybe L1
-live-
fooswitch <SwitchDictDescr 4:L2, 5:L3>
---
L3:
int_return %i7
---
L1:
int_return %i4
---
L2:
int_return %i3
""", """
goto_maybe L1
-live- %i3, %i7
fooswitch <SwitchDictDescr 4:L2, 5:L3>
---
L3:
int_return %i7
---
L1:
int_return %i4
---
L2:
int_return %i3
""")
def test_already_some(self):
self.liveness_test("""
foo %i0, %i1, %i2
-live- %i0, $52, %i2, %i0
bar %i3, %i4, %i5
""", """
foo %i0, %i1, %i2
-live- %i0, %i2, %i3, %i4, %i5
bar %i3, %i4, %i5
""")
def test_keepalive(self):
self.liveness_test("""
-live-
build $1 -> %i6
-live-
foo %i0, %i1 -> %i2
-live-
bar %i3, %i2 -> %i5
-live- %i6
""", """
-live- %i0, %i1, %i3
build $1 -> %i6
-live- %i0, %i1, %i3, %i6
foo %i0, %i1 -> %i2
-live- %i2, %i3, %i6
bar %i3, %i2 -> %i5
-live- %i6
""")
def test_live_with_label(self):
self.liveness_test("""
-live- L1
foo %i0
---
L1:
bar %i1
""", """
-live- %i0, %i1, L1
foo %i0
---
L1:
bar %i1
""")
|
