re PR middle-end/66251 (ICE in vect_get_vec_def_for_operand, at tree-vect-stmts.c:1484)

2015-05-22  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/66251
	* tree-vect-stmts.c (vectorizable_conversion): Properly
	set STMT_VINFO_VEC_STMT even for the SLP case.

	* gfortran.fortran-torture/compile/pr66251.f90: New testcase.

From-SVN: r223552

gcc/ChangeLog

+2015-05-22  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/66251
+	* tree-vect-stmts.c (vectorizable_conversion): Properly
+	set STMT_VINFO_VEC_STMT even for the SLP case.
+
 2015-05-22  Marek Polacek  <polacek@redhat.com>
 
 	* doc/extend.texi: Use @pxref instead of @xref.

gcc/testsuite/ChangeLog

+2015-05-22  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/66251
+	* gfortran.fortran-torture/compile/pr66251.f90: New testcase.
+
 2015-05-22  Marek Polacek  <polacek@redhat.com>
 
 	PR c/47043

gcc/testsuite/gfortran.fortran-torture/compile/pr66251.f90

+SUBROUTINE dbcsr_data_convert (n)
+  COMPLEX(KIND=4), DIMENSION(:), POINTER :: s_data_c
+  COMPLEX(KIND=8), DIMENSION(:), POINTER :: t_data_z
+  t_data_z(1:n) = CMPLX(s_data_c(1:n), KIND=8)
+  CALL foo()
+END SUBROUTINE dbcsr_data_convert
+

gcc/tree-vect-stmts.c

@@ -3964,14 +3964,12 @@ vectorizable_conversion (gimple stmt, gimple_stmt_iterator *gsi,
 
 	      if (slp_node)
 		SLP_TREE_VEC_STMTS (slp_node).quick_push (new_stmt);
+
+	      if (!prev_stmt_info)
+		STMT_VINFO_VEC_STMT (stmt_info) = new_stmt;
 	      else
-		{
-		  if (!prev_stmt_info)
-		    STMT_VINFO_VEC_STMT (stmt_info) = new_stmt;
-		  else
-		    STMT_VINFO_RELATED_STMT (prev_stmt_info) = new_stmt;
-		  prev_stmt_info = vinfo_for_stmt (new_stmt);
-		}
+		STMT_VINFO_RELATED_STMT (prev_stmt_info) = new_stmt;
+	      prev_stmt_info = vinfo_for_stmt (new_stmt);
 	    }
 	}