Support tail calls in mir via TerminatorKind::TailCall

2024-02-15 19:54:37 +00:00
parent e2cf31a614
commit 484152d562
41 changed files with 328 additions and 88 deletions
--- a/compiler/rustc_codegen_cranelift/src/base.rs
+++ b/compiler/rustc_codegen_cranelift/src/base.rs
@@ -491,6 +491,11 @@ fn codegen_fn_body(fx: &mut FunctionCx<'_, '_, '_>, start_block: Block) {
                    )
                });
            }
+            // FIXME(explicit_tail_calls): add support for tail calls to the cranelift backend, once cranelift supports tail calls
+            TerminatorKind::TailCall { fn_span, .. } => span_bug!(
+                *fn_span,
+                "tail calls are not yet supported in `rustc_codegen_cranelift` backend"
+            ),
            TerminatorKind::InlineAsm {
                template,
                operands,