From: Bin Cheng <bin.cheng@arm.com>
Date: Tue, 10 Feb 2015 02:34:41 +0000 (+0000)
Subject: re PR tree-optimization/43378 (IVOPTs messes up code)
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=940652d50fe5189458c11ff2fccff7ab38209ded;p=gcc.git

re PR tree-optimization/43378 (IVOPTs messes up code)


	PR tree-optimization/43378
	* gcc.dg/tree-ssa/pr43378.c: New test.

From-SVN: r220563
---

diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f34de6ed35d..ca2cf304a11 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,8 @@
+2015-02-10  Bin Cheng  <bin.cheng@arm.com>
+
+	PR tree-optimization/43378
+	* gcc.dg/tree-ssa/pr43378.c: New test.
+
 2015-02-08  Jan Hubicka  <hubicka@ucw.cz>
 
 	PR ipa/64978
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr43378.c b/gcc/testsuite/gcc.dg/tree-ssa/pr43378.c
new file mode 100644
index 00000000000..1861b4515d1
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr43378.c
@@ -0,0 +1,17 @@
+/* { dg-do compile } */
+/* { dg-options "-O2 -fdump-tree-ivopts" } */
+
+void bar (int, int, int);
+void foo (int left, int rite, int element)
+{
+  while (left <= rite)
+    {
+      rite -= element;
+      bar (left, rite, element);
+      left += element;
+    }
+}
+
+/* { dg-final { scan-tree-dump-times "rite_\[0-9\]* = rite_\[0-9\]* - element" 1 "ivopts"} } */
+/* { dg-final { scan-tree-dump-times "left_\[0-9\]* = left_\[0-9\]* \\+ element|left_\[0-9\]* = element_\[0-9\]*\\(D\\) \\+ left" 1 "ivopts"} } */
+/* { dg-final { cleanup-tree-dump "ivopts" } } */