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gh-98831: add variable stack effect support to cases generator (#101309)

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Irit Katriel 2023-01-25 20:41:03 +00:00 • committed by GitHub
parent a178ba82bf
commit 19f90d6b97
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3 changed files with 924 additions and 194 deletions
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12
Python/compile.c
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@ -36,7 +36,7 @@
#include "pycore_pymem.h" // _PyMem_IsPtrFreed()
#include "pycore_symtable.h" // PySTEntryObject
#include "opcode_metadata.h" // _PyOpcode_opcode_metadata
#include "opcode_metadata.h" // _PyOpcode_opcode_metadata, _PyOpcode_num_popped/pushed
#define DEFAULT_BLOCK_SIZE 16
@ -8651,13 +8651,15 @@ no_redundant_jumps(cfg_builder *g) {
static bool
opcode_metadata_is_sane(cfg_builder *g) {
bool result = true;
for (basicblock *b = g->g_entryblock; b != NULL; b = b->b_next) {
for (int i = 0; i < b->b_iused; i++) {
struct instr *instr = &b->b_instr[i];
int opcode = instr->i_opcode;
int oparg = instr->i_oparg;
assert(opcode <= MAX_REAL_OPCODE);
int pushed = _PyOpcode_opcode_metadata[opcode].n_pushed;
int popped = _PyOpcode_opcode_metadata[opcode].n_popped;
int popped = _PyOpcode_num_popped(opcode, oparg);
int pushed = _PyOpcode_num_pushed(opcode, oparg);
assert((pushed < 0) == (popped < 0));
if (pushed >= 0) {
assert(_PyOpcode_opcode_metadata[opcode].valid_entry);
@ -8666,12 +8668,12 @@ opcode_metadata_is_sane(cfg_builder *g) {
fprintf(stderr,
"op=%d: stack_effect (%d) != pushed (%d) - popped (%d)\n",
opcode, effect, pushed, popped);
return false;
result = false;
}
}
}
}
return true;
return result;
}
static bool

1028
Python/opcode_metadata.h
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