re PR tree-optimization/91114 (ICE in vect_analyze_loop, at tree-vect-loop.c:2415)

2019-07-09  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/91114
	* tree-vect-data-refs.c (vect_analyze_data_refs): Failure to
	find a vector type isn't fatal.

	* gcc.dg/vect/pr91114.c: New testcase.

From-SVN: r273306

gcc/ChangeLog

+2019-07-09  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/91114
+	* tree-vect-data-refs.c (vect_analyze_data_refs): Failure to
+	find a vector type isn't fatal.
+
 2019-07-09  Sylvia Taylor  <sylvia.taylor@arm.com>
 
 	* config/aarch64/aarch64-simd.md

gcc/testsuite/ChangeLog

+2019-07-09  Richard Biener  <rguenther@suse.de>
+
+	PR tree-optimization/91114
+	* gcc.dg/vect/pr91114.c: New testcase.
+
 2019-07-09  Sylvia Taylor  <sylvia.taylor@arm.com>
 
 	* gcc.target/aarch64/crypto-fuse-1.c: Remove.

gcc/testsuite/gcc.dg/vect/pr91114.c

+/* { dg-do compile } */
+/* { dg-additional-options "-fopenmp-simd" } */
+
+void
+ne (double *zu)
+{
+  int h3;
+
+#pragma omp simd simdlen (4)
+  for (h3 = 0; h3 < 4; ++h3)
+    zu[h3] = 0;
+}

gcc/tree-vect-data-refs.c

@@ -4360,6 +4360,8 @@ vect_analyze_data_refs (vec_info *vinfo, poly_uint64 *min_vf, bool *fatal)
 	      STMT_VINFO_VECTORIZABLE (stmt_info) = false;
 	      continue;
 	    }
+	  if (fatal)
+	    *fatal = false;
 	  return opt_result::failure_at (stmt_info->stmt,
 					 "not vectorized:"
 					 " no vectype for stmt: %G"