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-rw-r--r--gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c50
1 files changed, 50 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c b/gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c
new file mode 100644
index 000000000..a56e71a4a
--- /dev/null
+++ b/gcc/testsuite/gcc.dg/ipa/ipa-pta-1.c
@@ -0,0 +1,50 @@
+/* { dg-do run } */
+/* { dg-options "-O -fipa-pta -fdump-ipa-pta-details" } */
+
+static int __attribute__((noinline))
+foo (int *p, int *q)
+{
+ *p = 2;
+ *q = 1;
+ return *p;
+}
+
+static int __attribute__((noinline))
+bar (int *p, int *q)
+{
+ *p = -2;
+ *q = -1;
+ return *p;
+}
+
+static int __attribute__((noinline,noclone))
+foobar (int foo_p)
+{
+ int a;
+ int (*fn)(int *, int *);
+ if (foo_p)
+ fn = foo;
+ else
+ fn = bar;
+ return (*fn)(&a, &a);
+}
+
+extern void abort (void);
+
+int main()
+{
+ if (foobar (1) != 1)
+ abort ();
+
+ return 0;
+}
+
+/* IPA PTA needs to handle indirect calls properly. Verify that
+ both bar and foo get a (and only a) in their arguments points-to sets. */
+
+/* { dg-final { scan-ipa-dump "fn_1 = { bar foo }" "pta" } } */
+/* { dg-final { scan-ipa-dump "bar.arg0 = { a }" "pta" } } */
+/* { dg-final { scan-ipa-dump "bar.arg1 = { a }" "pta" } } */
+/* { dg-final { scan-ipa-dump "foo.arg0 = { a }" "pta" } } */
+/* { dg-final { scan-ipa-dump "foo.arg1 = { a }" "pta" } } */
+/* { dg-final { cleanup-ipa-dump "pta" } } */