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-rw-r--r--src/llvm_backend_proc.cpp11
1 files changed, 9 insertions, 2 deletions
diff --git a/src/llvm_backend_proc.cpp b/src/llvm_backend_proc.cpp
index ed7587bfd..a9de7b231 100644
--- a/src/llvm_backend_proc.cpp
+++ b/src/llvm_backend_proc.cpp
@@ -911,6 +911,9 @@ lbValue lb_emit_call(lbProcedure *p, lbValue value, Array<lbValue> const &args,
auto processed_args = array_make<lbValue>(permanent_allocator(), 0, args.count);
{
+
+ bool is_odin_cc = is_calling_convention_odin(pt->Proc.calling_convention);
+
lbFunctionType *ft = lb_get_function_type(m, p, pt);
bool return_by_pointer = ft->ret.kind == lbArg_Indirect;
@@ -946,8 +949,12 @@ lbValue lb_emit_call(lbProcedure *p, lbValue value, Array<lbValue> const &args,
} else if (arg->kind == lbArg_Indirect) {
lbValue ptr = {};
if (arg->is_byval) {
- ptr = lb_copy_value_to_ptr(p, x, original_type, arg->byval_alignment);
- } else if (is_calling_convention_odin(pt->Proc.calling_convention)) {
+ if (is_odin_cc && are_types_identical(original_type, t_source_code_location)) {
+ ptr = lb_address_from_load_or_generate_local(p, x);
+ } else {
+ ptr = lb_copy_value_to_ptr(p, x, original_type, arg->byval_alignment);
+ }
+ } else if (is_odin_cc) {
// NOTE(bill): Odin parameters are immutable so the original value can be passed if possible
// i.e. `T const &` in C++
ptr = lb_address_from_load_or_generate_local(p, x);