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

PR tree-optimization/43378 * gcc.dg/tree-ssa/pr43378.c: New test. From-SVN: r220563

re PR tree-optimization/43378 (IVOPTs messes up code)
PR tree-optimization/43378 * gcc.dg/tree-ssa/pr43378.c: New test. From-SVN: r220563
940652d5 · Bin Cheng · Bin Cheng · a9e083cc · 940652d5 · 940652d5
Commit 940652d5 authored Feb 10, 2015 by Bin Cheng Committed by Bin Cheng Feb 10, 2015
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gcc/testsuite/ChangeLog
+5 -0

gcc/testsuite/gcc.dg/tree-ssa/pr43378.c
+17 -0

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--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
+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

--- a/gcc/testsuite/gcc.dg/tree-ssa/pr43378.c
+++ b/gcc/testsuite/gcc.dg/tree-ssa/pr43378.c
+/* { 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" } } */