From: Jakub Jelinek <jakub@redhat.com>
Date: Tue, 30 May 2017 07:42:48 +0000 (+0200)
Subject: backport: re PR middle-end/67335 (ICE in compiling omp simd function with unused... 
X-Git-Tag: releases/gcc-5.5.0~286
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=8e9838cb421ed6d95a122ca291099cf422189281;p=thirdparty%2Fgcc.git

backport: re PR middle-end/67335 (ICE in compiling omp simd function with unused argument)

	Backported from mainline
	2016-11-21  Jakub Jelinek  <jakub@redhat.com>

	PR middle-end/67335
	* omp-low.c (simd_clone_adjust_argument_types): Use NULL prefix
	for tmp simd array if DECL_NAME (parm) is NULL.

	* g++.dg/vect/simd-clone-7.cc: New test.

From-SVN: r248625
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 0f79e4fe0417..eb6f4b757f24 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,6 +1,12 @@
 2017-05-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2016-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/67335
+	* omp-low.c (simd_clone_adjust_argument_types): Use NULL prefix
+	for tmp simd array if DECL_NAME (parm) is NULL.
+
 	2016-11-16  Jakub Jelinek  <jakub@redhat.com>
 
 	PR rtl-optimization/78378
diff --git a/gcc/omp-low.c b/gcc/omp-low.c
index 0ea879f37100..308e13506073 100644
--- a/gcc/omp-low.c
+++ b/gcc/omp-low.c
@@ -12946,7 +12946,9 @@ simd_clone_adjust_argument_types (struct cgraph_node *node)
 
 	  if (node->definition)
 	    node->simdclone->args[i].simd_array
-	      = create_tmp_simd_array (IDENTIFIER_POINTER (DECL_NAME (parm)),
+	      = create_tmp_simd_array (DECL_NAME (parm)
+				       ? IDENTIFIER_POINTER (DECL_NAME (parm))
+				       : NULL,
 				       parm_type, node->simdclone->simdlen);
 	}
       adjustments.safe_push (adj);
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index a26f8973f937..677585fe4281 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,6 +1,11 @@
 2017-05-30  Jakub Jelinek  <jakub@redhat.com>
 
 	Backported from mainline
+	2016-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR middle-end/67335
+	* g++.dg/vect/simd-clone-7.cc: New test.
+
 	2016-11-18  Jakub Jelinek  <jakub@redhat.com>
 
 	PR c++/77285
diff --git a/gcc/testsuite/g++.dg/vect/simd-clone-7.cc b/gcc/testsuite/g++.dg/vect/simd-clone-7.cc
new file mode 100644
index 000000000000..fd5751b30bbd
--- /dev/null
+++ b/gcc/testsuite/g++.dg/vect/simd-clone-7.cc
@@ -0,0 +1,10 @@
+// PR middle-end/67335
+// { dg-do compile }
+// { dg-additional-options "-fopenmp-simd" }
+
+#pragma omp declare simd notinbranch uniform(y)
+float
+bar (float x, float *y, int)
+{
+  return y[0] + y[1] * x;
+}