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authordnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4>2004-03-13 15:21:58 +0000
committerdnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4>2004-03-13 15:21:58 +0000
commit41d73e6351f462c282ce88a1f6bbac5baea43885 (patch)
treea4a2a2c66a24a88ae5729139727b848a49d42038
parent775b39c05ff2199b4b49191f8b038acdb58e3526 (diff)
PR optimization/14553
* gcc.dg/tree-ssa/20040313-1.c: New test. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/branches/tree-ssa-20020619-branch@79449 138bc75d-0d04-0410-961f-82ee72b054a4
-rw-r--r--gcc/testsuite/ChangeLog.tree-ssa5
-rw-r--r--gcc/testsuite/gcc.dg/tree-ssa/20040313-1.c16
2 files changed, 21 insertions, 0 deletions
diff --git a/gcc/testsuite/ChangeLog.tree-ssa b/gcc/testsuite/ChangeLog.tree-ssa
index 774adfa4b94..c3515108308 100644
--- a/gcc/testsuite/ChangeLog.tree-ssa
+++ b/gcc/testsuite/ChangeLog.tree-ssa
@@ -1,3 +1,8 @@
+2004-03-13 Diego Novillo <dnovillo@redhat.com>
+
+ PR optimization/14553
+ * gcc.dg/tree-ssa/20040313-1.c: New test.
+
2004-03-11 Kazu Hirata <kazu@cs.umass.edu>
* gcc.dg/tree-ssa/20040305-1.c: Change a constant to fit in a
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040313-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040313-1.c
new file mode 100644
index 00000000000..0ad144c03dd
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/tree-ssa/20040313-1.c
@@ -0,0 +1,16 @@
+/* { dg-do compile } */
+/* { dg-options "-O3" } */
+
+/* Test provided by Volker Reichelt in PR 14553. The redundant PHI
+ node elimination pass was not using the right API functions to
+ propagate pointers, which resulted in dereferenced pointers that
+ did not have memory tags associated with them. */
+
+void foo(int* p)
+{
+ int i;
+ for (i=1; i>0; --i, ++p)
+ *p=0;
+}
+
+void bar(int* p) { foo(p); }