re PR tree-optimization/57185 (ICE: Segmentation fault in…

re PR tree-optimization/57185 (ICE: Segmentation fault in add_field_for_reduction with -ftree-parallelize-loops=2 -fipa-pta)

2013-05-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/57185
	* tree-parloops.c (add_field_for_reduction): Handle anonymous
	SSA names properly.

	* gcc.dg/autopar/pr57185.c: New testcase.

From-SVN: r198630

gcc/ChangeLog

+2013-05-06  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/57185
+	* tree-parloops.c (add_field_for_reduction): Handle anonymous
+	SSA names properly.
+
 2013-05-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	* gimple-ssa-strength-reduction.c (slsr_process_phi): Re-enable.

gcc/testsuite/ChangeLog

+2013-05-06  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/57185
+	* gcc.dg/autopar/pr57185.c: New testcase.
+
 2013-05-06  Bill Schmidt  <wschmidt@linux.vnet.ibm.com>
 
 	* gcc.dg/tree-ssa/slsr-32.c: Re-enable.

gcc/testsuite/gcc.dg/autopar/pr57185.c

+/* { dg-do compile } */
+/* { dg-options "-O3 -ftree-parallelize-loops=2 -fipa-pta" } */
+
+int a, b;
+int *d;
+void f(void)
+{
+  int c;
+  b %= 1;
+
+  if(1 - (b < 1))
+    {
+      int *q = 0;
+
+      if(a)
+	{
+	  c = 0;
+lbl:
+	  for(*d; *d; ++*d)
+	    if(c ? : a ? : (c = 1) ? : 0)
+	      *q &= 1;
+	  return;
+	}
+
+      q = (int *)1;
+    }
+  goto lbl;
+}
+

gcc/tree-parloops.c

@@ -964,9 +964,9 @@ add_field_for_reduction (reduction_info **slot, tree type)
 {
 
   struct reduction_info *const red = *slot;
-  tree var = SSA_NAME_VAR (gimple_assign_lhs (red->reduc_stmt));
-  tree field = build_decl (gimple_location (red->reduc_stmt),
-			   FIELD_DECL, DECL_NAME (var), TREE_TYPE (var));
+  tree var = gimple_assign_lhs (red->reduc_stmt);
+  tree field = build_decl (gimple_location (red->reduc_stmt), FIELD_DECL,
+			   SSA_NAME_IDENTIFIER (var), TREE_TYPE (var));
 
   insert_field_into_struct (type, field);