Redirect reference in the symbol table (PR ipa/84833).

2018-03-16  Martin Liska  <mliska@suse.cz>

	PR ipa/84833
	* multiple_target.c (create_dispatcher_calls): Redirect
	reference in the symbol table.
2018-03-16  Martin Liska  <mliska@suse.cz>

	PR ipa/84833
	* gcc.target/i386/mvc11.c: New test.

From-SVN: r258596

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 96b45d4d2f7550864c87a99dd6c5a1b41110754c..78f492b728cbc0908b7d6585224cd2273c791dbf 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-03-16  Martin Liska  <mliska@suse.cz>
+
+       PR ipa/84833
+       * multiple_target.c (create_dispatcher_calls): Redirect
+       reference in the symbol table.
+
 2018-03-16  Martin Liska  <mliska@suse.cz>
 
        PR ipa/84722

diff --git a/gcc/multiple_target.c b/gcc/multiple_target.c
index 95297f3cd307eba350e30a1855e2cca9cd3b097d..b006a5ab6eca98c3380030eff403dc664178be0f 100644 (file)
--- a/gcc/multiple_target.c
+++ b/gcc/multiple_target.c
@@ -144,6 +144,10 @@ create_dispatcher_calls (struct cgraph_node *node)
                  if (ref->referring->decl != resolver_decl)
                    walk_gimple_stmt (&it, NULL, replace_function_decl, &wi);
                }
+
+             symtab_node *source = ref->referring;
+             ref->remove_reference ();
+             source->create_reference (inode, IPA_REF_ADDR);
            }
          else if (ref->use == IPA_REF_ALIAS)
            {

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index d4fbd1b94e5b4bd8ee238ef220dbec382ba62643..e3795cdc8f031663a06cd466c0a61e8d0a16edf6 100644 (file)
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-03-16  Martin Liska  <mliska@suse.cz>
+
+       PR ipa/84833
+       * gcc.target/i386/mvc11.c: New test.
+
 2018-03-16  Martin Liska  <mliska@suse.cz>
 
        PR ipa/84722

diff --git a/gcc/testsuite/gcc.target/i386/mvc11.c b/gcc/testsuite/gcc.target/i386/mvc11.c
new file mode 100644 (file)
index 0000000..5bd10f4
--- /dev/null
+++ b/gcc/testsuite/gcc.target/i386/mvc11.c
@@ -0,0 +1,28 @@
+/* { dg-do run } */
+/* { dg-require-ifunc "" } */
+/* { dg-options "-std=gnu99" } */
+
+__attribute__((noipa)) int 
+baz (int (*fn) (void))
+{
+  asm volatile ("" : "+g" (fn) : : "memory");
+  return fn ();
+}
+
+__attribute__((target_clones("arch=sandybridge", "default"))) static int
+bar (void)
+{
+  return 1;
+}
+
+__attribute__((target_clones("arch=sandybridge", "default"))) int
+foo (void)
+{
+  baz (bar) - 1;
+}
+
+int
+main ()
+{
+  foo ();
+}