be_abi_omit_fp() added

clear the abi callback environment after done for safety

diff --git a/ir/be/beabi.c b/ir/be/beabi.c
index 3d28942..bb4b42d 100644 (file)
--- a/ir/be/beabi.c
+++ b/ir/be/beabi.c
@@ -1799,6 +1799,7 @@ be_abi_irg_t *be_abi_introduce(be_irg_t *birg)
        arch_env_push_irn_handler(env->birg->main_env->arch_env, &env->irn_handler);
 
        env->call->cb->done(env->cb);
+       env->cb = NULL;
        return env;
 }
 
@@ -2079,3 +2080,11 @@ static const arch_irn_ops_if_t abi_irn_ops = {
 static const arch_irn_handler_t abi_irn_handler = {
        abi_get_irn_ops
 };
+
+/**
+ * Returns non-zero if the ABI has omitted the frame pointer in
+ * the current graph.
+ */
+int be_abi_omit_fp(const be_abi_irg_t *abi) {
+       return abi->call->flags.bits.try_omit_fp;
+}

diff --git a/ir/be/beabi.h b/ir/be/beabi.h
index e364bed..8a8e868 100644 (file)
--- a/ir/be/beabi.h
+++ b/ir/be/beabi.h
@@ -155,4 +155,10 @@ struct _be_stack_layout_t {
  */
 const be_stack_layout_t *be_abi_get_stack_layout(const be_abi_irg_t *abi);
 
+/**
+ * Returns non-zero if the ABI has omitted the frame pointer in
+ * the current graph.
+ */
+int be_abi_omit_fp(const be_abi_irg_t *abi);
+
 #endif /* _BEABI_H */