1 files changed, 27 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c
new file mode 100644
index 000000000..cad6f2da6
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.target/i386/patch-functions-force-no-patching.c
@@ -0,0 +1,27 @@
+/* { dg-do compile } */
+/* { dg-require-effective-target lp64 } */
+/* { dg-options "-mpatch-functions-for-instrumentation -mno-patch-functions-main-always" } */
+
+/* Even complicated functions shouldn't get patched if they have the
+   never_patch_for_instrumentation attribute. */
+
+/* { dg-final { scan-assembler-not ".byte\t0xeb,0x09(.*).byte\t0x90" } } */
+/* { dg-final { scan-assembler-not "ret(.*).byte\t0x90(.*).byte\t0x90" } } */
+
+__attribute__ ((never_patch_for_instrumentation))
+int foo () {
+  volatile unsigned x = 0;
+  volatile unsigned y = 1;
+  x += y;
+  x *= y;
+  while (++x)
+    foo ();
+  return y;
+}
+
+
+int main ()
+{
+  int x = 0;
+  return 0;
+}