From: Daniel Berlin <dberlin@gcc.gnu.org>
Date: Tue, 27 Sep 2005 15:33:51 +0000 (+0000)
Subject: Add missing part of committed patch from 21st
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8ec88e19de05f73576e780f06331a1906fefacc5;p=gcc.git

Add missing part of committed patch from 21st

From-SVN: r104696
---

diff --git a/gcc/tree-ssa-loop-niter.c b/gcc/tree-ssa-loop-niter.c
index b720e194201..6d8b5086de5 100644
--- a/gcc/tree-ssa-loop-niter.c
+++ b/gcc/tree-ssa-loop-niter.c
@@ -1437,10 +1437,12 @@ infer_loop_bounds_from_undefined (struct loop *loop)
 
 		/* For each array access, analyze its access function
 		   and record a bound on the loop iteration domain.  */
-		if (TREE_CODE (op1) == ARRAY_REF)
+		if (TREE_CODE (op1) == ARRAY_REF 
+		    && !ref_contains_indirect_ref (op1))
 		  estimate_iters_using_array (stmt, op1);
 
-		if (TREE_CODE (op0) == ARRAY_REF)
+		if (TREE_CODE (op0) == ARRAY_REF 
+		    && !ref_contains_indirect_ref (op0))
 		  estimate_iters_using_array (stmt, op0);
 
 		/* For each signed type variable in LOOP, analyze its
@@ -1491,7 +1493,8 @@ infer_loop_bounds_from_undefined (struct loop *loop)
 
 		for (args = TREE_OPERAND (stmt, 1); args;
 		     args = TREE_CHAIN (args))
-		  if (TREE_CODE (TREE_VALUE (args)) == ARRAY_REF)
+		  if (TREE_CODE (TREE_VALUE (args)) == ARRAY_REF
+		      && !ref_contains_indirect_ref (TREE_VALUE (args)))
 		    estimate_iters_using_array (stmt, TREE_VALUE (args));
 
 		break;