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-rw-r--r--gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c32
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c b/gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c
new file mode 100644
index 000000000..074f44a6d
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/ipa-pta-14.c
@@ -0,0 +1,32 @@
+/* { dg-do run } */
+/* { dg-options "-O2 -fipa-pta -fno-tree-sra -fdump-ipa-pta-details" } */
+
+struct X {
+ int i;
+ void *p;
+};
+
+static void * __attribute__((noinline,noclone))
+foo(struct X *q, void *p)
+{
+ struct X b;
+ b.p = p;
+ *q = b;
+ return q->p;
+}
+extern void abort (void);
+int main()
+{
+ struct X a, c;
+ void *p;
+ a.p = (void *)&c;
+ p = foo(&a, &a);
+ /* { dg-final { scan-ipa-dump "foo.result = { NULL a\[^ \]* c\[^ \]* }" "pta" { xfail *-*-* } } } */
+ /* { dg-final { scan-ipa-dump "foo.result = { NULL a\[^ \]* a\[^ \]* c\[^ \]* }" "pta" } } */
+ ((struct X *)p)->p = (void *)0;
+ if (a.p != (void *)0)
+ abort ();
+ return 0;
+}
+
+/* { dg-final { cleanup-ipa-dump "pta" } } */