From 995046865885827b79226597586736fd0846cf71 Mon Sep 17 00:00:00 2001
From: Martin Liska <mliska@suse.cz>
Date: Wed, 3 Jan 2018 10:24:40 +0100
Subject: [PATCH] Handle noipa attribute in IPA visibility (PR ipa/83594).

2018-01-03  Martin Liska  <mliska@suse.cz>

	PR ipa/83594
	* ipa-visibility.c (function_and_variable_visibility): Skip
	functions with noipa attribure.
2018-01-03  Martin Liska  <mliska@suse.cz>

	PR ipa/83594
	* gcc.dg/ipa/pr83594.c: New test.

From-SVN: r256167
---
 gcc/ChangeLog                      | 6 ++++++
 gcc/ipa-visibility.c               | 3 ++-
 gcc/testsuite/ChangeLog            | 5 +++++
 gcc/testsuite/gcc.dg/ipa/pr83594.c | 5 +++++
 4 files changed, 18 insertions(+), 1 deletion(-)
 create mode 100644 gcc/testsuite/gcc.dg/ipa/pr83594.c

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 5e86e97b755..6ca0368a26a 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2018-01-03  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/83594
+	* ipa-visibility.c (function_and_variable_visibility): Skip
+	functions with noipa attribure.
+
 2018-01-03  Jakub Jelinek  <jakub@redhat.com>
 
 	* gcc.c (process_command): Update copyright notice dates.
diff --git a/gcc/ipa-visibility.c b/gcc/ipa-visibility.c
index b6bc870b11d..9f136d9069c 100644
--- a/gcc/ipa-visibility.c
+++ b/gcc/ipa-visibility.c
@@ -623,7 +623,8 @@ function_and_variable_visibility (bool whole_program)
     {
       if (node->get_availability () != AVAIL_INTERPOSABLE
 	  || DECL_EXTERNAL (node->decl)
-	  || node->has_aliases_p ())
+	  || node->has_aliases_p ()
+	  || lookup_attribute ("noipa", DECL_ATTRIBUTES (node->decl)))
 	continue;
 
       cgraph_node *alias = 0;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a61567618cc..f4fdd0da7a7 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2018-01-03  Martin Liska  <mliska@suse.cz>
+
+	PR ipa/83594
+	* gcc.dg/ipa/pr83594.c: New test.
+
 2018-01-03  Richard Sandiford  <richard.sandiford@linaro.org>
 	    Alan Hayward  <alan.hayward@arm.com>
 	    David Sherwood  <david.sherwood@arm.com>
diff --git a/gcc/testsuite/gcc.dg/ipa/pr83594.c b/gcc/testsuite/gcc.dg/ipa/pr83594.c
new file mode 100644
index 00000000000..1927c636ec0
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/pr83594.c
@@ -0,0 +1,5 @@
+__attribute__((noipa))
+void foo ()
+{
+  foo ();
+}
-- 
2.30.2