1 files changed, 44 insertions, 0 deletions
diff --git a/gcc/rust/hir/rust-ast-lower-expr.cc b/gcc/rust/hir/rust-ast-lower-expr.cc
index 3784e74..07d0c835 100644
--- a/gcc/rust/hir/rust-ast-lower-expr.cc
+++ b/gcc/rust/hir/rust-ast-lower-expr.cc
@@ -955,6 +955,50 @@ ASTLoweringExpr::visit (AST::InlineAsm &expr)
 			  hir_operands, expr.get_clobber_abi (),
 			  expr.get_options (), mapping);
 }
+
+void
+ASTLoweringExpr::visit (AST::LlvmInlineAsm &expr)
+{
+  auto crate_num = mappings.get_current_crate ();
+  Analysis::NodeMapping mapping (crate_num, expr.get_node_id (),
+				 mappings.get_next_hir_id (crate_num),
+				 mappings.get_next_localdef_id (crate_num));
+
+  std::vector<LlvmOperand> inputs;
+  std::vector<LlvmOperand> outputs;
+
+  for (auto i : expr.get_inputs ())
+    {
+      std::unique_ptr<Expr> inner_expr
+	= std::unique_ptr<Expr> (translate (*i.expr.get ()));
+      inputs.emplace_back (i.constraint, std::move (inner_expr));
+    }
+
+  for (auto o : expr.get_outputs ())
+    {
+      std::unique_ptr<Expr> inner_expr
+	= std::unique_ptr<Expr> (translate (*o.expr.get ()));
+      outputs.emplace_back (o.constraint, std::move (inner_expr));
+    }
+
+  HIR::LlvmInlineAsm::Options options{expr.is_volatile (),
+				      expr.is_stack_aligned (),
+				      expr.get_dialect ()};
+
+  // We're not really supporting llvm_asm, only the bare minimum
+  // we're quite conservative here as the current code support more usecase.
+  rust_assert (outputs.size () == 0);
+  rust_assert (inputs.size () <= 1);
+  rust_assert (expr.get_clobbers ().size () <= 1);
+  rust_assert (expr.get_templates ().size () == 1);
+  rust_assert (expr.get_templates ()[0].symbol == "");
+
+  translated
+    = new HIR::LlvmInlineAsm (expr.get_locus (), inputs, outputs,
+			      expr.get_templates (), expr.get_clobbers (),
+			      options, expr.get_outer_attrs (), mapping);
+}
+
 void
 ASTLoweringExpr::visit (AST::FormatArgs &fmt)
 {