8000 gh-115859: Re-enable T2 optimizer pass by default by gvanrossum · Pull Request #116062 · python/cpython · GitHub
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gh-115859: Re-enable T2 optimizer pass by default #116062

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Merged
merged 9 commits into from
Feb 28, 2024
Merged

gh-115859: Re-enable T2 optimizer pass by default #116062

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d3a0695
Export sym_is_bottom
gvanrossum Feb 28, 2024
b834b29
Add a test that crashed before #116028
gvanrossum Feb 28, 2024
436a641
Tighten test (expect both guard and add)
gvanrossum Feb 28, 2024
e64d0c1
Add DECREF(temp) and out-of-space checks
gvanrossum Feb 28, 2024
66b76d5
Re-enable the optimizer
gvanrossum Feb 28, 2024
af72c76
Disable all of Tier 2 only if PYTHON_UOPS_OPTIMIZE=0
gvanrossum Feb 28, 2024
d7280d2
Fix tests skip for PYTHON_UOPS_OPTIMIZE
gvanrossum Feb 28, 2024
d2078db
Belt and suspenders -- use sym_matches_type before assert
gvanrossum Feb 28, 2024
bbe8cd9
Arrange things so DECREF(temp) happens even if sym_new_const() runs o…
gvanrossum Feb 28, 2024
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Arrange things so DECREF(temp) happens even if sym_new_const() runs o… 
…ut of space
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@gvanrossum
gvanrossum committed Feb 28, 2024
commit bbe8cd9841269a23aec3b9a88bd9f152824c1137
30 changes: 18 additions & 12 deletions Python/optimizer_bytecodes.c
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8000
Original file line number Diff line number Diff line change
Expand Up @@ -118,10 +118,11 @@ dummy_func(void) {
if (temp == NULL) {
goto error;
}
OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
res = sym_new_const(ctx, temp);
Py_DECREF(temp);
OUT_OF_SPACE_IF_NULL(res);
// TODO gh-115506:
// replace opcode with constant propagated one and add tests!
Py_DECREF(temp);
}
else {
OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyLong_Type));
Expand All @@ -139,10 +140,11 @@ dummy_func(void) {
if (temp == NULL) {
goto error;
}
OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
res = sym_new_const(ctx, temp);
Py_DECREF(temp);
OUT_OF_SPACE_IF_NULL(res);
// TODO gh-115506:
// replace opcode with constant propagated one and add tests!
Py_DECREF(temp);
}
else {
OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyLong_Type));
Expand All @@ -160,10 +162,11 @@ dummy_func(void) {
if (temp == NULL) {
goto error;
}
OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
res = sym_new_const(ctx, temp);
Py_DECREF(temp);
OUT_OF_SPACE_IF_NULL(res);
// TODO gh-115506:
// replace opcode with constant propagated one and add tests!
Py_DECREF(temp);
}
else {
OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyLong_Type));
Expand All @@ -182,10 +185,11 @@ dummy_func(void) {
if (temp == NULL) {
goto error;
}
OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
res = sym_new_const(ctx, temp);
Py_DECREF(temp);
OUT_OF_SPACE_IF_NULL(res);
// TODO gh-115506:
// replace opcode with constant propagated one and update tests!
Py_DECREF(temp);
}
else {
OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyFloat_Type));
Expand All @@ -204,10 +208,11 @@ dummy_func(void) {
if (temp == NULL) {
goto error;
}
OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
res = sym_new_const(ctx, temp);
Py_DECREF(temp);
OUT_OF_SPACE_IF_NULL(res);
// TODO gh-115506:
// replace opcode with constant propagated one and update tests!
Py_DECREF(temp);
}
else {
OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyFloat_Type));
Expand All @@ -226,10 +231,11 @@ dummy_func(void) {
if (temp == NULL) {
goto error;
}
OUT_OF_SPACE_IF_NULL(res = sym_new_const(ctx, temp));
res = sym_new_const(ctx, temp);
Py_DECREF(temp);
OUT_OF_SPACE_IF_NULL(res);
// TODO gh-115506:
// replace opcode with constant propagated one and update tests!
Py_DECREF(temp);
}
else {
OUT_OF_SPACE_IF_NULL(res = sym_new_type(ctx, &PyFloat_Type));
Expand Down
30 changes: 18 additions & 12 deletions Python/optimizer_cases.c.h
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