re PR middle-end/59669 (ICE: SIGSEGV with #pragma omp declare simd linear)

	PR middle-end/59669
	* omp-low.c (simd_clone_adjust): Don't crash if def is NULL.
testsuite/
	* gcc.dg/gomp/pr59669-1.c: New test.
	* gcc.dg/gomp/pr59669-2.c: New test.

From-SVN: r206431

gcc/ChangeLog

 2014-01-08  Marek Polacek  <polacek@redhat.com>
 
+	PR middle-end/59669
+	* omp-low.c (simd_clone_adjust): Don't crash if def is NULL.
+
+2014-01-08  Marek Polacek  <polacek@redhat.com>
+
 	PR sanitizer/59667
 	* ubsan.c (ubsan_type_descriptor): Call strip_array_types on type2.
 

gcc/omp-low.c

@@ -11537,7 +11537,7 @@ simd_clone_adjust (struct cgraph_node *node)
 	unsigned int alignment = node->simdclone->args[i].alignment;
 	tree orig_arg = node->simdclone->args[i].orig_arg;
 	tree def = ssa_default_def (cfun, orig_arg);
-	if (!has_zero_uses (def))
+	if (def && !has_zero_uses (def))
 	  {
 	    tree fn = builtin_decl_explicit (BUILT_IN_ASSUME_ALIGNED);
 	    gimple_seq seq = NULL;
@@ -11587,7 +11587,7 @@ simd_clone_adjust (struct cgraph_node *node)
 	tree def = ssa_default_def (cfun, orig_arg);
 	gcc_assert (INTEGRAL_TYPE_P (TREE_TYPE (orig_arg))
 		    || POINTER_TYPE_P (TREE_TYPE (orig_arg)));
-	if (!has_zero_uses (def))
+	if (def && !has_zero_uses (def))
 	  {
 	    iter1 = make_ssa_name (orig_arg, NULL);
 	    iter2 = make_ssa_name (orig_arg, NULL);

gcc/testsuite/ChangeLog

+2014-01-08  Marek Polacek  <polacek@redhat.com>
+
+	PR middle-end/59669
+	* gcc.dg/gomp/pr59669-1.c: New test.
+	* gcc.dg/gomp/pr59669-2.c: New test.
+
 2014-01-08  Martin Jambor  <mjambor@suse.cz>
 
 	PR ipa/59610

gcc/testsuite/gcc.dg/gomp/pr59669-1.c

+/* PR middle-end/59669 */
+/* { dg-do compile } */
+/* { dg-options "-fopenmp" } */
+
+#pragma omp declare simd linear(a)
+void
+foo (int a)
+{
+}

gcc/testsuite/gcc.dg/gomp/pr59669-2.c

+/* PR middle-end/59669 */
+/* { dg-do compile } */
+/* { dg-options "-fopenmp" } */
+
+#pragma omp declare simd uniform(a) aligned(a:32)
+void
+bar (int *a)
+{
+}