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Use direct parameter value in lb_find_ident when possible

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gingerBill
2022-10-30 22:58:44 +00:00
parent 83f3ae14d5
commit 8fa571c283
3 changed files with 14 additions and 0 deletions
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1
src/llvm_backend.hpp
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@@ -298,6 +298,7 @@ struct lbProcedure {
lbBlock * entry_block;
lbBlock * curr_block;
lbTargetList * target_list;
PtrMap<Entity *, lbValue> direct_parameters;
Ast *curr_stmt;

9
src/llvm_backend_general.cpp
View File

@@ -2590,6 +2590,15 @@ lbValue lb_find_or_add_entity_string_byte_slice_with_type(lbModule *m, String co
lbValue lb_find_ident(lbProcedure *p, lbModule *m, Entity *e, Ast *expr) {
if (e->flags & EntityFlag_Param) {
// NOTE(bill): Bypass the stack copied variable for
// direct parameters as there is no need for the direct load
auto *found = map_get(&p->direct_parameters, e);
if (found) {
return *found;
}
}
auto *found = map_get(&m->values, e);
if (found) {
auto v = *found;

4
src/llvm_backend_proc.cpp
View File

@@ -486,6 +486,8 @@ void lb_begin_procedure_body(lbProcedure *p) {
p->entry_block = lb_create_block(p, "entry", true);
lb_start_block(p, p->entry_block);
map_init(&p->direct_parameters, heap_allocator());
GB_ASSERT(p->type != nullptr);
lb_ensure_abi_function_type(p->module, p);
@@ -539,6 +541,8 @@ void lb_begin_procedure_body(lbProcedure *p) {
param.value = value;
param.type = e->type;
map_set(&p->direct_parameters, e, param);
lbValue ptr = lb_address_from_load_or_generate_local(p, param);
GB_ASSERT(LLVMIsAAllocaInst(ptr.value));
lb_add_entity(p->module, e, ptr);