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gh-87092: bring compiler code closer to a preprocessing-opt-assembler organisation #97644

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Merged
merged 12 commits into from
Oct 5, 2022
Merged

gh-87092: bring compiler code closer to a preprocessing-opt-assembler organisation #97644

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27102b2
add unit test for const trimming
iritkatriel Sep 20, 2022
9827030
move trim_unused_consts to assembly stage
iritkatriel Sep 20, 2022
103c9ae
move a few things around
iritkatriel Sep 20, 2022
bab900a
remove redundant assert and move another up to just after the value w…
iritkatriel Sep 20, 2022
9736e75
move push_cold_blocks_to_end up
iritkatriel Sep 21, 2022
eb6cd76
reduce repetition: create basicblock_append_instructions and call it …
iritkatriel Sep 29, 2022
fa0b95d
move remove_redundant_nops call into convert_exception_handlers_to_no…
iritkatriel Sep 29, 2022
8a2f28e
move check_loads function to optimization stage
iritkatriel Sep 29, 2022
85751ea
mark's review comments
iritkatriel Oct 3, 2022
5f78cc7
fix comment
iritkatriel Oct 3, 2022
e44b087
Call it preprocessing
iritkatriel Oct 4, 2022
4f15173
Merge branch 'main' into compiler_refactor
iritkatriel Oct 4, 2022
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mark's review comments
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@iritkatriel
iritkatriel committed Oct 3, 2022
commit 85751ea45c49539918a806bb33fc8d9d011b8ef5
10 changes: 5 additions & 5 deletions Python/compile.c
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Original file line number Diff line number Diff line change
Expand Up @@ -7975,8 +7975,8 @@ scan_block_for_local(int target, basicblock *b, bool unsafe_to_start,
#undef MAYBE_PUSH

static int
add_checks_for_loads_of_unknown_variables(basicblock *entryblock,
struct compiler *c)
add_checks_for_loads_of_uninitialized_variables(basicblock *entryblock,
struct compiler *c)
{
basicblock **stack = make_cfg_traversal_stack(entryblock);
if (stack == NULL) {
Expand Down Expand Up @@ -8639,7 +8639,7 @@ assemble(struct compiler *c, int addNone)
}
nlocalsplus -= numdropped;

/** Desugaring **/
/** Map labels to targets and mark exception handlers **/
if (translate_jump_labels_to_targets(g->g_entryblock)) {
goto error;
}
Expand All @@ -8658,7 +8658,7 @@ assemble(struct compiler *c, int addNone)
if (optimize_cfg(g, consts, c->c_const_cache)) {
goto error;
}
if (add_checks_for_loads_of_unknown_variables(g->g_entryblock, c) < 0) {
if (add_checks_for_loads_of_uninitialized_variables(g->g_entryblock, c) < 0) {
goto error;
}

Expand All @@ -8669,11 +8669,11 @@ assemble(struct compiler *c, int addNone)
propagate_line_numbers(g->g_entryblock);
guarantee_lineno_for_exits(g->g_entryblock, c->u->u_firstlineno);

/** Assembly **/
if (push_cold_blocks_to_end(g, code_flags) < 0) {
goto error;
}

/** Assembly **/
int maxdepth = stackdepth(g->g_entryblock, code_flags);
if (maxdepth < 0) {
goto error;
Expand Down