Adds fuzz mode

1 files changed, 21 insertions, 2 deletions

diff --git a/gcc/ipa-escape-analysis.c b/gcc/ipa-escape-analysis.c
index 5b0e878fb2c..ba0ae26c88e 100644
--- a/gcc/ipa-escape-analysis.c
+++ b/gcc/ipa-escape-analysis.c
@@ -36,6 +36,8 @@
 #include "collect-types.h"
 #include "name-types.h"
 
+#define FUZZ_MODE 0
+
 namespace type_playground {
 enum type_comparison_func_enum {
   EQ_POINTER = 0,
@@ -177,6 +179,9 @@ collect_types_from_constructor_array(const_tree expr, typeset &types)
   const_tree type = TREE_TYPE(expr);
   assert_is_type(type, ARRAY_TYPE);
   //TODO: Collect types from here
+#ifdef FUZZ_MODE
+  gcc_unreachable();
+#endif
 }
 
 static void
@@ -191,6 +196,9 @@ collect_types_from_constructor_record_or_union(const_tree expr, typeset &types)
   const bool is_valid_input = is_record || is_union || is_qual_union;
   gcc_assert(is_valid_input);
   //TODO: Collect types from here
+#ifdef FUZZ_MODE
+  gcc_unreachable();
+#endif
 }
 
 static void
@@ -222,6 +230,9 @@ collect_types_from_constructor(const_tree expr, typeset &types)
     break;
     default:
       // TODO: I should fuzz this, I got a constructor of an integer type?
+#ifdef FUZZ_MODE
+      gcc_unreachable();
+#endif
       return; 
     break;
   }
@@ -252,6 +263,9 @@ static void
 collect_types_from_bit_field_ref(const_tree expr, typeset &types)
 {
   // TODO: How to collect types from bit_field_ref?
+#ifdef FUZZ_MODE
+  gcc_unreachable();
+#endif
 }
 
 static void
@@ -264,6 +278,9 @@ collect_types_from_view_convert_expr(const_tree expr, typeset &types)
   // through an integer mode and an intermediate BIT_FIELD_REF. 
   // https://gcc.gnu.org/wiki/MemRef
   //TODO: How to collect types from VIEW_CONVERT_EXPR?
+#ifdef FUZZ_MODE
+  gcc_unreachable();
+#endif
 }
 
 static void
@@ -475,7 +492,7 @@ collect_types_from_stmt_return(gimple *stmt, typeset &types)
   is_gimple_code(stmt, GIMPLE_RETURN);
   const_tree retval = gimple_return_retval(stmt);
   gcc_assert(retval);
-  collect_types_from_expr(retval);
+  collect_types_from_expr(retval, types);
 }
 
 static void
@@ -498,6 +515,9 @@ collect_types_from_stmt(gimple *stmt, typeset &types)
     break;
     case GIMPLE_LABEL:
     case GIMPLE_PREDICT:
+#ifdef FUZZ_MODE
+      gcc_unreachable();
+#endif
     break;
     default:
       {
@@ -733,7 +753,6 @@ iphw_execute()
 
   // We still need to collect types from
   // the function signatures of functions without gimple bodies...
-
   filter_out_types_in_set(types);
   compare_types_in_set(types);
   return 0;