This XFAILs the loop interchange testcases that are now confused
by better PRE.
Tested on x86_64-unknown-linux-gnu, applied.
Richard.
2011-07-08 Richard Guenther <rguent...@suse.de>
PR tree-optimization/49662
* gcc.dg/graphite/interchange-14.c: XFAIL.
* gcc.dg/graphite/interchange-15.c: Likewise.
* gcc.dg/graphite/interchange-mvt.c: Likewise.
Index: gcc/testsuite/gcc.dg/graphite/interchange-14.c
===================================================================
--- gcc/testsuite/gcc.dg/graphite/interchange-14.c (revision 176030)
+++ gcc/testsuite/gcc.dg/graphite/interchange-14.c (working copy)
@@ -54,5 +54,6 @@ main (void)
return 0;
}
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* PRE destroys the perfect nest and we can't cope with that yet. */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" {
xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "graphite" } } */
Index: gcc/testsuite/gcc.dg/graphite/interchange-15.c
===================================================================
--- gcc/testsuite/gcc.dg/graphite/interchange-15.c (revision 176030)
+++ gcc/testsuite/gcc.dg/graphite/interchange-15.c (working copy)
@@ -48,6 +48,7 @@ main (void)
return 0;
}
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* PRE destroys the perfect nest and we can't cope with that yet. */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" {
xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "graphite" } } */
Index: gcc/testsuite/gcc.dg/graphite/interchange-mvt.c
===================================================================
--- gcc/testsuite/gcc.dg/graphite/interchange-mvt.c (revision 176030)
+++ gcc/testsuite/gcc.dg/graphite/interchange-mvt.c (working copy)
@@ -58,6 +58,7 @@ main (void)
return 0;
}
-/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" } } */
+/* PRE destroys the perfect nest and we can't cope with that yet. */
+/* { dg-final { scan-tree-dump-times "will be interchanged" 1 "graphite" {
xfail *-*-* } } } */
/* { dg-final { cleanup-tree-dump "graphite" } } */
