obtained gcc-4.6.4.tar.bz2 from upstream website;upstream

verified gcc-4.6.4.tar.bz2.sig;
imported gcc-4.6.4 source tree from verified upstream tarball.

downloading a git-generated archive based on the 'upstream' tag
should provide you with a source tree that is binary identical
to the one extracted from the above tarball.

if you have obtained the source via the command 'git clone',
however, do note that line-endings of files in your working
directory might differ from line-endings of the respective
files in the upstream repository.

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" } } */