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Testcase for PR82421

Message ID alpine.LSU.2.20.1710061019530.6597@zhemvz.fhfr.qr
State New
Headers show
Series Testcase for PR82421 | expand

Commit Message

Richard Biener Oct. 6, 2017, 8:20 a.m. UTC 
Which was fixed by the code-gen rewrite.

Richard.

2017-10-06  Richard Biener  <rguenther@suse.de>

	PR tree-optimization/82421
	* gcc.dg/graphite/pr82421.c: New testcase.
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Patch

Index: gcc/testsuite/gcc.dg/graphite/pr82421.c
===================================================================
--- gcc/testsuite/gcc.dg/graphite/pr82421.c	(nonexistent)
+++ gcc/testsuite/gcc.dg/graphite/pr82421.c	(working copy)
@@ -0,0 +1,21 @@ 
+/* { dg-do compile } */
+/* { dg-options "-O -floop-nest-optimize" } */
+
+int pc;
+
+void
+qy (int l9)
+{
+  int tw = 4;
+  int fb[tw];
+
+  while (l9 < 1)
+    {
+      int dr;
+
+      pc = fb[2];
+      for (dr = 0; dr < tw; ++dr)
+	fb[dr] = 0;
+      ++l9;
+    }
+}