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Make sure that there is always an index table entry for getivars

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This commit is contained in:
Maxime Chevalier-Boisvert 2021-08-25 16:10:05 -04:00 committed by Alan Wu
parent 7f2828d1c8
commit b3e993a64b
2 changed files with 75 additions and 75 deletions
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13
yjit_codegen.c
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@ -1442,8 +1442,13 @@ gen_get_ivar(jitstate_t *jit, ctx_t *ctx, const int max_chain_depth, VALUE compt
struct rb_iv_index_tbl_entry *ent;
struct st_table *iv_index_tbl = ROBJECT_IV_INDEX_TBL(comptime_receiver);
// Lookup index for the ivar the instruction loads
if (iv_index_tbl && rb_iv_index_tbl_lookup(iv_index_tbl, id, &ent)) {
// Make sure there is a mapping for this ivar in the index table
if (!iv_index_tbl || !rb_iv_index_tbl_lookup(iv_index_tbl, id, &ent)) {
rb_ivar_set(comptime_receiver, id, Qundef);
iv_index_tbl = ROBJECT_IV_INDEX_TBL(comptime_receiver);
RUBY_ASSERT(iv_index_tbl && rb_iv_index_tbl_lookup(iv_index_tbl, id, &ent));
}
uint32_t ivar_index = ent->index;
// Pop receiver if it's on the temp stack
@ -1514,10 +1519,6 @@ gen_get_ivar(jitstate_t *jit, ctx_t *ctx, const int max_chain_depth, VALUE compt
// Jump to next instruction. This allows guard chains to share the same successor.
jit_jump_to_next_insn(jit, ctx);
return YJIT_END_BLOCK;
}
GEN_COUNTER_INC(cb, getivar_name_not_mapped);
return YJIT_CANT_COMPILE;
}
static codegen_status_t

1
yjit_iface.h
View File

@ -69,7 +69,6 @@ YJIT_DECLARE_COUNTERS(
getivar_se_self_not_heap,
getivar_idx_out_of_range,
getivar_name_not_mapped,
setivar_se_self_not_heap,
setivar_idx_out_of_range,