/* Merges the inlinee's spesh graph into the inliner. */
static void merge_graph(MVMThreadContext *tc, MVMSpeshGraph *inliner,
MVMSpeshGraph *inlinee, MVMCode *inlinee_code,
MVMSpeshIns *invoke_ins) {
MVMSpeshFacts **merged_facts;
MVMuint16 *merged_fact_counts;
MVMint32 i, total_inlines, orig_deopt_addrs;
MVMSpeshBB *inlinee_first_bb = NULL, *inlinee_last_bb = NULL;
MVMint32 active_handlers_at_invoke = 0;
/* If the inliner and inlinee are from different compilation units, we
* potentially have to fix up extra things. */
MVMint32 same_comp_unit = inliner->sf->body.cu == inlinee->sf->body.cu;
/* Renumber the locals, lexicals, and basic blocks of the inlinee; also
* re-write any indexes in annotations that need it. */
MVMSpeshBB *bb = inlinee->entry;
while (bb) {
MVMSpeshIns *ins = bb->first_ins;
while (ins) {
MVMuint16 opcode = ins->info->opcode;
MVMSpeshAnn *ann = ins->annotations;
while (ann) {
switch (ann->type) {
case MVM_SPESH_ANN_FH_START:
case MVM_SPESH_ANN_FH_END:
case MVM_SPESH_ANN_FH_GOTO:
ann->data.frame_handler_index += inliner->num_handlers;
break;
case MVM_SPESH_ANN_DEOPT_INLINE:
ann->data.deopt_idx += inliner->num_deopt_addrs;
break;
case MVM_SPESH_ANN_INLINE_START:
case MVM_SPESH_ANN_INLINE_END:
ann->data.inline_idx += inliner->num_inlines;
break;
}
ann = ann->next;
}
if (opcode == MVM_SSA_PHI) {
for (i = 0; i < ins->info->num_operands; i++)
ins->operands[i].reg.orig += inliner->num_locals;
}
else {
for (i = 0; i < ins->info->num_operands; i++) {
MVMuint8 flags = ins->info->operands[i];
switch (flags & MVM_operand_rw_mask) {
case MVM_operand_read_reg:
case MVM_operand_write_reg:
ins->operands[i].reg.orig += inliner->num_locals;
break;
case MVM_operand_read_lex:
case MVM_operand_write_lex:
ins->operands[i].lex.idx += inliner->num_lexicals;
break;
default: {
MVMuint32 type = flags & MVM_operand_type_mask;
if (type == MVM_operand_spesh_slot) {
ins->operands[i].lit_i16 += inliner->num_spesh_slots;
}
else if (type == MVM_operand_callsite) {
if (!same_comp_unit)
fix_callsite(tc, inliner, inlinee, &(ins->operands[i]));
}
else if (type == MVM_operand_coderef) {
if (!same_comp_unit)
fix_coderef(tc, inliner, inlinee, &(ins->operands[i]));
}
else if (type == MVM_operand_str) {
if (!same_comp_unit)
fix_str(tc, inliner, inlinee, &(ins->operands[i]));
}
break;
}
}
}
}
ins = ins->next;
}
bb->idx += inliner->num_bbs - 1; /* -1 as we won't include entry */
bb->inlined = 1;
if (!bb->linear_next)
inlinee_last_bb = bb;
bb = bb->linear_next;
}
/* Incorporate the basic blocks by concatening them onto the end of the
* linear_next chain of the inliner; skip the inlinee's fake entry BB. */
bb = inliner->entry;
while (bb) {
if (!bb->linear_next) {
/* Found the end; insert and we're done. */
bb->linear_next = inlinee_first_bb = inlinee->entry->linear_next;
bb = NULL;
}
else {
bb = bb->linear_next;
}
}
/* Merge facts. */
merged_facts = MVM_spesh_alloc(tc, inliner,
(inliner->num_locals + inlinee->num_locals) * sizeof(MVMSpeshFacts *));
memcpy(merged_facts, inliner->facts,
inliner->num_locals * sizeof(MVMSpeshFacts *));
memcpy(merged_facts + inliner->num_locals, inlinee->facts,
inlinee->num_locals * sizeof(MVMSpeshFacts *));
inliner->facts = merged_facts;
merged_fact_counts = MVM_spesh_alloc(tc, inliner,
(inliner->num_locals + inlinee->num_locals) * sizeof(MVMuint16));
memcpy(merged_fact_counts, inliner->fact_counts,
inliner->num_locals * sizeof(MVMuint16));
memcpy(merged_fact_counts + inliner->num_locals, inlinee->fact_counts,
inlinee->num_locals * sizeof(MVMuint16));
inliner->fact_counts = merged_fact_counts;
/* Copy over spesh slots. */
for (i = 0; i < inlinee->num_spesh_slots; i++)
MVM_spesh_add_spesh_slot(tc, inliner, inlinee->spesh_slots[i]);
/* If they are from separate compilation units, make another pass through
* to fix up on wvals. Note we can't do this in the first pass as we must
* not modify the spesh slots once we've got started with the rewrites.
* Now we've resolved all that, we're good to map wvals elsewhere into
* some extra spesh slots. */
if (!same_comp_unit) {
bb = inlinee->entry;
while (bb) {
MVMSpeshIns *ins = bb->first_ins;
while (ins) {
MVMuint16 opcode = ins->info->opcode;
if (opcode == MVM_OP_wval || opcode == MVM_OP_wval_wide)
fix_wval(tc, inliner, inlinee, ins);
ins = ins->next;
}
bb = bb->linear_next;
}
}
/* Merge de-opt tables, if needed. */
orig_deopt_addrs = inliner->num_deopt_addrs;
if (inlinee->num_deopt_addrs) {
assert(inlinee->deopt_addrs != inliner->deopt_addrs);
inliner->alloc_deopt_addrs += inlinee->alloc_deopt_addrs;
if (inliner->deopt_addrs)
inliner->deopt_addrs = MVM_realloc(inliner->deopt_addrs,
inliner->alloc_deopt_addrs * sizeof(MVMint32) * 2);
else
inliner->deopt_addrs = MVM_malloc(inliner->alloc_deopt_addrs * sizeof(MVMint32) * 2);
memcpy(inliner->deopt_addrs + inliner->num_deopt_addrs * 2,
inlinee->deopt_addrs, inlinee->alloc_deopt_addrs * sizeof(MVMint32) * 2);
inliner->num_deopt_addrs += inlinee->num_deopt_addrs;
}
/* Merge inlines table, and add us an entry too. */
total_inlines = inliner->num_inlines + inlinee->num_inlines + 1;
inliner->inlines = inliner->num_inlines
? MVM_realloc(inliner->inlines, total_inlines * sizeof(MVMSpeshInline))
: MVM_malloc(total_inlines * sizeof(MVMSpeshInline));
memcpy(inliner->inlines + inliner->num_inlines, inlinee->inlines,
inlinee->num_inlines * sizeof(MVMSpeshInline));
for (i = inliner->num_inlines; i < total_inlines - 1; i++) {
inliner->inlines[i].locals_start += inliner->num_locals;
inliner->inlines[i].lexicals_start += inliner->num_lexicals;
inliner->inlines[i].return_deopt_idx += orig_deopt_addrs;
}
inliner->inlines[total_inlines - 1].code = inlinee_code;
inliner->inlines[total_inlines - 1].g = inlinee;
inliner->inlines[total_inlines - 1].locals_start = inliner->num_locals;
inliner->inlines[total_inlines - 1].lexicals_start = inliner->num_lexicals;
switch (invoke_ins->info->opcode) {
case MVM_OP_invoke_v:
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_VOID;
break;
case MVM_OP_invoke_o:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_OBJ;
break;
case MVM_OP_invoke_i:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_INT;
break;
case MVM_OP_invoke_n:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_NUM;
break;
case MVM_OP_invoke_s:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_STR;
break;
default:
MVM_oops(tc, "Spesh inline: unknown invoke instruction");
}
inliner->inlines[total_inlines - 1].return_deopt_idx = return_deopt_idx(tc, invoke_ins);
inliner->num_inlines = total_inlines;
/* Create/update per-specialization local and lexical type maps. */
if (!inliner->local_types) {
MVMint32 local_types_size = inliner->num_locals * sizeof(MVMuint16);
inliner->local_types = MVM_malloc(local_types_size);
memcpy(inliner->local_types, inliner->sf->body.local_types, local_types_size);
}
inliner->local_types = MVM_realloc(inliner->local_types,
(inliner->num_locals + inlinee->num_locals) * sizeof(MVMuint16));
memcpy(inliner->local_types + inliner->num_locals,
inlinee->local_types ? inlinee->local_types : inlinee->sf->body.local_types,
inlinee->num_locals * sizeof(MVMuint16));
if (!inliner->lexical_types) {
MVMint32 lexical_types_size = inliner->num_lexicals * sizeof(MVMuint16);
inliner->lexical_types = MVM_malloc(lexical_types_size);
memcpy(inliner->lexical_types, inliner->sf->body.lexical_types, lexical_types_size);
}
inliner->lexical_types = MVM_realloc(inliner->lexical_types,
(inliner->num_lexicals + inlinee->num_lexicals) * sizeof(MVMuint16));
memcpy(inliner->lexical_types + inliner->num_lexicals,
inlinee->lexical_types ? inlinee->lexical_types : inlinee->sf->body.lexical_types,
inlinee->num_lexicals * sizeof(MVMuint16));
/* Merge handlers from inlinee. */
if (inlinee->num_handlers) {
MVMuint32 total_handlers = inliner->num_handlers + inlinee->num_handlers;
resize_handlers_table(tc, inliner, total_handlers);
memcpy(inliner->handlers + inliner->num_handlers, inlinee->handlers,
inlinee->num_handlers * sizeof(MVMFrameHandler));
for (i = inliner->num_handlers; i < total_handlers; i++) {
inliner->handlers[i].block_reg += inliner->num_locals;
inliner->handlers[i].label_reg += inliner->num_locals;
}
}
/* If the inliner has handlers in effect at the point of the call that we
* are inlining, then we duplicate those and place them surrounding the
* inlinee, but with the goto still pointing to the original location.
* This means that we can still do a linear scan when searching for an
* exception handler, and don't have to try the (costly and fiddly) matter
* of trying to traverse the post-inlined call chain. */
if (inliner->sf->body.num_handlers) {
/* Walk inliner looking for handlers in effect at the point we hit the
* invoke instruction we're currently inlining; also record all of the
* instructions where the handler "goto" annotation lives. */
MVMuint32 orig_handlers = inliner->sf->body.num_handlers;
MVMuint8 *active = MVM_spesh_alloc(tc, inliner, orig_handlers);
MVMSpeshIns **handler_goto_ins = MVM_spesh_alloc(tc, inliner,
orig_handlers * sizeof(MVMSpeshIns *));
MVMint32 found_invoke = 0;
bb = inliner->entry;
while (bb && !bb->inlined) {
MVMSpeshIns *ins = bb->first_ins;
while (ins) {
MVMSpeshAnn *ann = ins->annotations;
while (ann) {
if (ann->type == MVM_SPESH_ANN_FH_GOTO) {
if (ann->data.frame_handler_index < orig_handlers)
handler_goto_ins[ann->data.frame_handler_index] = ins;
}
else if (!found_invoke) {
/* Only update these to the point we found the invoke
* being inlined, so it serves as a snapshot of what
* is active. */
if (ann->type == MVM_SPESH_ANN_FH_START)
active[ann->data.frame_handler_index] = 1;
else if (ann->type == MVM_SPESH_ANN_FH_END)
active[ann->data.frame_handler_index] = 0;
}
ann = ann->next;
}
if (ins == invoke_ins) {
/* Found it; see if we have any handlers active. If so, we
* will continue walking to collect goto annotations. */
found_invoke = 1;
for (i = 0; i < orig_handlers; i++)
active_handlers_at_invoke += active[i];
if (!active_handlers_at_invoke)
break;
}
ins = ins->next;
}
if (found_invoke && !active_handlers_at_invoke)
break;
bb = bb->linear_next;
}
/* If we found handlers active at the point of invoke, duplicate them
* in the handlers table and add annotations. */
if (active_handlers_at_invoke) {
MVMuint32 insert_pos = inliner->num_handlers + inlinee->num_handlers;
resize_handlers_table(tc, inliner, insert_pos + active_handlers_at_invoke);
for (i = orig_handlers - 1; i >= 0; i--) {
if (active[i]) {
/* Add handler start annotation to first inlinee instruction. */
MVMSpeshAnn *new_ann = MVM_spesh_alloc(tc, inliner, sizeof(MVMSpeshAnn));
new_ann->type = MVM_SPESH_ANN_FH_START;
new_ann->data.frame_handler_index = insert_pos;
new_ann->next = inlinee_first_bb->first_ins->annotations;
inlinee_first_bb->first_ins->annotations = new_ann;
/* Add handler end annotation to last inlinee instruction. */
new_ann = MVM_spesh_alloc(tc, inliner, sizeof(MVMSpeshAnn));
new_ann->type = MVM_SPESH_ANN_FH_END;
new_ann->data.frame_handler_index = insert_pos;
new_ann->next = inlinee_last_bb->last_ins->annotations;
inlinee_last_bb->last_ins->annotations = new_ann;
/* Add handler goto annotation to original target in inliner. */
new_ann = MVM_spesh_alloc(tc, inliner, sizeof(MVMSpeshAnn));
new_ann->type = MVM_SPESH_ANN_FH_GOTO;
new_ann->data.frame_handler_index = insert_pos;
new_ann->next = handler_goto_ins[i]->annotations;
handler_goto_ins[i]->annotations = new_ann;
/* Copy handler entry to new slot. */
memcpy(inliner->handlers + insert_pos, inliner->handlers + i,
sizeof(MVMFrameHandler));
insert_pos++;
}
}
}
}
/* Update total locals, lexicals, basic blocks, and handlers of the
* inliner. */
inliner->num_bbs += inlinee->num_bbs - 1;
inliner->num_locals += inlinee->num_locals;
inliner->num_lexicals += inlinee->num_lexicals;
inliner->num_handlers += inlinee->num_handlers + active_handlers_at_invoke;
}
/* Merges the inlinee's spesh graph into the inliner. */
static void merge_graph(MVMThreadContext *tc, MVMSpeshGraph *inliner,
MVMSpeshGraph *inlinee, MVMCode *inlinee_code,
MVMSpeshIns *invoke_ins) {
MVMSpeshFacts **merged_facts;
MVMuint16 *merged_fact_counts;
MVMint32 i, total_inlines, orig_deopt_addrs;
/* If the inliner and inlinee are from different compilation units, we
* potentially have to fix up extra things. */
MVMint32 same_comp_unit = inliner->sf->body.cu == inlinee->sf->body.cu;
/* Renumber the locals, lexicals, and basic blocks of the inlinee; also
* re-write any indexes in annotations that need it. */
MVMSpeshBB *bb = inlinee->entry;
while (bb) {
MVMSpeshIns *ins = bb->first_ins;
while (ins) {
MVMuint16 opcode = ins->info->opcode;
MVMSpeshAnn *ann = ins->annotations;
while (ann) {
switch (ann->type) {
case MVM_SPESH_ANN_FH_START:
case MVM_SPESH_ANN_FH_END:
case MVM_SPESH_ANN_FH_GOTO:
ann->data.frame_handler_index += inliner->num_handlers;
break;
case MVM_SPESH_ANN_DEOPT_INLINE:
ann->data.deopt_idx += inliner->num_deopt_addrs;
break;
case MVM_SPESH_ANN_INLINE_START:
case MVM_SPESH_ANN_INLINE_END:
ann->data.inline_idx += inliner->num_inlines;
break;
}
ann = ann->next;
}
if (opcode == MVM_SSA_PHI) {
for (i = 0; i < ins->info->num_operands; i++)
ins->operands[i].reg.orig += inliner->num_locals;
}
else {
for (i = 0; i < ins->info->num_operands; i++) {
MVMuint8 flags = ins->info->operands[i];
switch (flags & MVM_operand_rw_mask) {
case MVM_operand_read_reg:
case MVM_operand_write_reg:
ins->operands[i].reg.orig += inliner->num_locals;
break;
case MVM_operand_read_lex:
case MVM_operand_write_lex:
ins->operands[i].lex.idx += inliner->num_lexicals;
break;
default: {
MVMuint32 type = flags & MVM_operand_type_mask;
if (type == MVM_operand_spesh_slot) {
ins->operands[i].lit_i16 += inliner->num_spesh_slots;
}
else if (type == MVM_operand_callsite) {
if (!same_comp_unit)
fix_callsite(tc, inliner, inlinee, &(ins->operands[i]));
}
else if (type == MVM_operand_coderef) {
if (!same_comp_unit)
fix_coderef(tc, inliner, inlinee, &(ins->operands[i]));
}
else if (type == MVM_operand_str) {
if (!same_comp_unit)
fix_str(tc, inliner, inlinee, &(ins->operands[i]));
}
break;
}
}
}
}
ins = ins->next;
}
bb->idx += inliner->num_bbs - 1; /* -1 as we won't include entry */
bb->inlined = 1;
bb = bb->linear_next;
}
/* Incorporate the basic blocks by concatening them onto the end of the
* linear_next chain of the inliner; skip the inlinee's fake entry BB. */
bb = inliner->entry;
while (bb) {
if (!bb->linear_next) {
/* Found the end; insert and we're done. */
bb->linear_next = inlinee->entry->linear_next;
bb = NULL;
}
else {
bb = bb->linear_next;
}
}
/* Merge facts. */
merged_facts = MVM_spesh_alloc(tc, inliner,
(inliner->num_locals + inlinee->num_locals) * sizeof(MVMSpeshFacts *));
memcpy(merged_facts, inliner->facts,
inliner->num_locals * sizeof(MVMSpeshFacts *));
memcpy(merged_facts + inliner->num_locals, inlinee->facts,
inlinee->num_locals * sizeof(MVMSpeshFacts *));
inliner->facts = merged_facts;
merged_fact_counts = MVM_spesh_alloc(tc, inliner,
(inliner->num_locals + inlinee->num_locals) * sizeof(MVMuint16));
memcpy(merged_fact_counts, inliner->fact_counts,
inliner->num_locals * sizeof(MVMuint16));
memcpy(merged_fact_counts + inliner->num_locals, inlinee->fact_counts,
inlinee->num_locals * sizeof(MVMuint16));
inliner->fact_counts = merged_fact_counts;
/* Copy over spesh slots. */
for (i = 0; i < inlinee->num_spesh_slots; i++)
MVM_spesh_add_spesh_slot(tc, inliner, inlinee->spesh_slots[i]);
/* If they are from separate compilation units, make another pass through
* to fix up on wvals. Note we can't do this in the first pass as we must
* not modify the spesh slots once we've got started with the rewrites.
* Now we've resolved all that, we're good to map wvals elsewhere into
* some extra spesh slots. */
if (!same_comp_unit) {
bb = inlinee->entry;
while (bb) {
MVMSpeshIns *ins = bb->first_ins;
while (ins) {
MVMuint16 opcode = ins->info->opcode;
if (opcode == MVM_OP_wval || opcode == MVM_OP_wval_wide)
fix_wval(tc, inliner, inlinee, ins);
ins = ins->next;
}
bb = bb->linear_next;
}
}
/* Merge de-opt tables, if needed. */
orig_deopt_addrs = inliner->num_deopt_addrs;
if (inlinee->num_deopt_addrs) {
assert(inlinee->deopt_addrs != inliner->deopt_addrs);
inliner->alloc_deopt_addrs += inlinee->alloc_deopt_addrs;
if (inliner->deopt_addrs)
inliner->deopt_addrs = MVM_realloc(inliner->deopt_addrs,
inliner->alloc_deopt_addrs * sizeof(MVMint32) * 2);
else
inliner->deopt_addrs = MVM_malloc(inliner->alloc_deopt_addrs * sizeof(MVMint32) * 2);
memcpy(inliner->deopt_addrs + inliner->num_deopt_addrs * 2,
inlinee->deopt_addrs, inlinee->alloc_deopt_addrs * sizeof(MVMint32) * 2);
inliner->num_deopt_addrs += inlinee->num_deopt_addrs;
}
/* Merge inlines table, and add us an entry too. */
total_inlines = inliner->num_inlines + inlinee->num_inlines + 1;
inliner->inlines = inliner->num_inlines
? MVM_realloc(inliner->inlines, total_inlines * sizeof(MVMSpeshInline))
: MVM_malloc(total_inlines * sizeof(MVMSpeshInline));
memcpy(inliner->inlines + inliner->num_inlines, inlinee->inlines,
inlinee->num_inlines * sizeof(MVMSpeshInline));
for (i = inliner->num_inlines; i < total_inlines - 1; i++) {
inliner->inlines[i].locals_start += inliner->num_locals;
inliner->inlines[i].lexicals_start += inliner->num_lexicals;
inliner->inlines[i].return_deopt_idx += orig_deopt_addrs;
}
inliner->inlines[total_inlines - 1].code = inlinee_code;
inliner->inlines[total_inlines - 1].g = inlinee;
inliner->inlines[total_inlines - 1].locals_start = inliner->num_locals;
inliner->inlines[total_inlines - 1].lexicals_start = inliner->num_lexicals;
switch (invoke_ins->info->opcode) {
case MVM_OP_invoke_v:
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_VOID;
break;
case MVM_OP_invoke_o:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_OBJ;
break;
case MVM_OP_invoke_i:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_INT;
break;
case MVM_OP_invoke_n:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_NUM;
break;
case MVM_OP_invoke_s:
inliner->inlines[total_inlines - 1].res_reg = invoke_ins->operands[0].reg.orig;
inliner->inlines[total_inlines - 1].res_type = MVM_RETURN_STR;
break;
default:
MVM_exception_throw_adhoc(tc, "Spesh inline: unknown invoke instruction");
}
inliner->inlines[total_inlines - 1].return_deopt_idx = return_deopt_idx(tc, invoke_ins);
inliner->num_inlines = total_inlines;
/* Create/update per-specialization local and lexical type maps. */
if (!inliner->local_types) {
MVMint32 local_types_size = inliner->num_locals * sizeof(MVMuint16);
inliner->local_types = MVM_malloc(local_types_size);
memcpy(inliner->local_types, inliner->sf->body.local_types, local_types_size);
}
inliner->local_types = MVM_realloc(inliner->local_types,
(inliner->num_locals + inlinee->num_locals) * sizeof(MVMuint16));
memcpy(inliner->local_types + inliner->num_locals,
inlinee->local_types ? inlinee->local_types : inlinee->sf->body.local_types,
inlinee->num_locals * sizeof(MVMuint16));
if (!inliner->lexical_types) {
MVMint32 lexical_types_size = inliner->num_lexicals * sizeof(MVMuint16);
inliner->lexical_types = MVM_malloc(lexical_types_size);
memcpy(inliner->lexical_types, inliner->sf->body.lexical_types, lexical_types_size);
}
inliner->lexical_types = MVM_realloc(inliner->lexical_types,
(inliner->num_lexicals + inlinee->num_lexicals) * sizeof(MVMuint16));
memcpy(inliner->lexical_types + inliner->num_lexicals,
inlinee->lexical_types ? inlinee->lexical_types : inlinee->sf->body.lexical_types,
inlinee->num_lexicals * sizeof(MVMuint16));
/* Merge handlers. */
if (inlinee->num_handlers) {
MVMuint32 total_handlers = inliner->num_handlers + inlinee->num_handlers;
if (inliner->handlers == inliner->sf->body.handlers) {
/* Original handlers table; need a copy. */
MVMFrameHandler *new_handlers = MVM_malloc(total_handlers * sizeof(MVMFrameHandler));
memcpy(new_handlers, inliner->handlers,
inliner->num_handlers * sizeof(MVMFrameHandler));
inliner->handlers = new_handlers;
}
else {
/* Probably already did some inlines into this frame; resize. */
inliner->handlers = MVM_realloc(inliner->handlers,
total_handlers * sizeof(MVMFrameHandler));
}
memcpy(inliner->handlers + inliner->num_handlers, inlinee->handlers,
inlinee->num_handlers * sizeof(MVMFrameHandler));
for (i = inliner->num_handlers; i < total_handlers; i++) {
inliner->handlers[i].block_reg += inliner->num_locals;
inliner->handlers[i].label_reg += inliner->num_locals;
}
}
/* Update total locals, lexicals, basic blocks, and handlers of the
* inliner. */
inliner->num_bbs += inlinee->num_bbs - 1;
inliner->num_locals += inlinee->num_locals;
inliner->num_lexicals += inlinee->num_lexicals;
inliner->num_handlers += inlinee->num_handlers;
}
