From: Jakub Jelinek <jakub@redhat.com>
Date: Wed, 8 Jan 2014 18:41:22 +0000 (+0100)
Subject: re PR ipa/59722 (Bootstrap comparison failure on i686-linux)
X-Git-Tag: releases/gcc-4.9.0~1776
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=c6de66659813cd840c2e1f5fe9698ba857618627;p=thirdparty%2Fgcc.git

re PR ipa/59722 (Bootstrap comparison failure on i686-linux)

	PR ipa/59722
	* ipa-prop.c (ipa_analyze_params_uses): Ignore uses in debug stmts.

	* gcc.dg/pr59722.c: New test.

From-SVN: r206438
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 7c1edb58dea4..89aa4002e3e1 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/59722
+	* ipa-prop.c (ipa_analyze_params_uses): Ignore uses in debug stmts.
+
 2014-01-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	PR middle-end/57748
diff --git a/gcc/ipa-prop.c b/gcc/ipa-prop.c
index 786a96f8d334..af2e22392b0b 100644
--- a/gcc/ipa-prop.c
+++ b/gcc/ipa-prop.c
@@ -2127,8 +2127,11 @@ ipa_analyze_params_uses (struct cgraph_node *node,
 	      FOR_EACH_IMM_USE_FAST (use_p, imm_iter, ddef)
 		if (!is_gimple_call (USE_STMT (use_p)))
 		  {
-		    controlled_uses = IPA_UNDESCRIBED_USE;
-		    break;
+		    if (!is_gimple_debug (USE_STMT (use_p)))
+		      {
+			controlled_uses = IPA_UNDESCRIBED_USE;
+			break;
+		      }
 		  }
 		else
 		  controlled_uses++;
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index 827b482c55ca..4a7b63c30081 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2014-01-08  Jakub Jelinek  <jakub@redhat.com>
+
+	PR ipa/59722
+	* gcc.dg/pr59722.c: New test.
+
 2014-01-08  Bernd Edlinger  <bernd.edlinger@hotmail.de>
 
 	PR middle-end/57748
diff --git a/gcc/testsuite/gcc.dg/pr59722.c b/gcc/testsuite/gcc.dg/pr59722.c
new file mode 100644
index 000000000000..7626fd22e1d8
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/pr59722.c
@@ -0,0 +1,36 @@
+/* PR ipa/59722 */
+/* { dg-do compile } */
+/* { dg-options "-O2 -fcompare-debug" } */
+
+extern void abrt (const char *, int) __attribute__((noreturn));
+void baz (int *, int *);
+
+static inline int
+bar (void)
+{
+  return 1;
+}
+
+static inline void
+foo (int *x, int y (void))
+{
+  while (1)
+    {
+      int a = 0;
+      if (*x)
+	{
+	  baz (x, &a);
+	  while (a && !y ())
+	    ;
+	  break;
+	}
+      abrt ("", 1);
+    }
+}
+
+void
+test (int x)
+{
+  foo (&x, bar);
+  foo (&x, bar);
+}