Add missing gimple_call_set_fntype

2019-10-04  Martin Jambor  <mjambor@suse.cz>

	* tree-ssa-forwprop.c (simplify_builtin_call): Set gimple call
	fntype when switching to calling memcpy instead of memset.

From-SVN: r276593

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5883b18..a013d86 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2019-10-04  Martin Jambor  <mjambor@suse.cz>
+
+       * tree-ssa-forwprop.c (simplify_builtin_call): Set gimple call
+       fntype when switching to calling memcpy instead of memset.
+
 2019-10-04  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
        * hash-table.h (hash_table::empty_slow): Don't assign

diff --git a/gcc/tree-ssa-forwprop.c b/gcc/tree-ssa-forwprop.c
index 221f140..a1e22c9 100644 (file)
--- a/gcc/tree-ssa-forwprop.c
+++ b/gcc/tree-ssa-forwprop.c
@@ -1426,8 +1426,10 @@ simplify_builtin_call (gimple_stmt_iterator *gsi_p, tree callee2)
              if (!is_gimple_val (ptr1))
                ptr1 = force_gimple_operand_gsi (gsi_p, ptr1, true, NULL_TREE,
                                                 true, GSI_SAME_STMT);
-             gimple_call_set_fndecl (stmt2,
-                                     builtin_decl_explicit (BUILT_IN_MEMCPY));
+             tree fndecl = builtin_decl_explicit (BUILT_IN_MEMCPY);
+             gimple_call_set_fndecl (stmt2, fndecl);
+             gimple_call_set_fntype (as_a <gcall *> (stmt2),
+                                     TREE_TYPE (fndecl));
              gimple_call_set_arg (stmt2, 0, ptr1);
              gimple_call_set_arg (stmt2, 1, new_str_cst);
              gimple_call_set_arg (stmt2, 2,