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Minimize copying on getting the address of a call if required

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gingerBill
2021-05-24 23:51:01 +01:00
parent e948fcd2f1
commit c21c754b6f
1 changed files with 5 additions and 1 deletions
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src/llvm_backend.cpp
+5 -1
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@@ -12599,7 +12599,7 @@ lbAddr lb_build_addr(lbProcedure *p, Ast *expr) {
if (is_type_relative_pointer(type_of_expr(de->expr))) { if (is_type_relative_pointer(type_of_expr(de->expr))) {
lbAddr addr = lb_build_addr(p, de->expr); lbAddr addr = lb_build_addr(p, de->expr);
addr.relative.deref = true; addr.relative.deref = true;
return addr; return addr;\
} }
lbValue addr = lb_build_expr(p, de->expr); lbValue addr = lb_build_expr(p, de->expr);
return lb_addr(addr); return lb_addr(addr);
@@ -12608,9 +12608,13 @@ lbAddr lb_build_addr(lbProcedure *p, Ast *expr) {
case_ast_node(ce, CallExpr, expr); case_ast_node(ce, CallExpr, expr);
// NOTE(bill): This is make sure you never need to have an 'array_ev' // NOTE(bill): This is make sure you never need to have an 'array_ev'
lbValue e = lb_build_expr(p, expr); lbValue e = lb_build_expr(p, expr);
#if 1
return lb_addr(lb_address_from_load_or_generate_local(p, e));
#else
lbAddr v = lb_add_local_generated(p, e.type, false); lbAddr v = lb_add_local_generated(p, e.type, false);
lb_addr_store(p, v, e); lb_addr_store(p, v, e);
return v; return v;
#endif
case_end; case_end;
case_ast_node(cl, CompoundLit, expr); case_ast_node(cl, CompoundLit, expr);