CFI: Add tests for 32-bit, 64-bit and memory bitsets. Break optimization in more places.

llvm-svn: 230116

1 files changed, 53 insertions, 0 deletions

diff --git a/compiler-rt/test/cfi/utils.h b/compiler-rt/test/cfi/utils.h
new file mode 100644
index 000000000000..5c290d151069
--- /dev/null
+++ b/compiler-rt/test/cfi/utils.h
@@ -0,0 +1,53 @@
+#ifndef UTILS_H
+#define UTILS_H
+
+inline void break_optimization(void *arg) {
+  __asm__ __volatile__("" : : "r" (arg) : "memory");
+}
+
+// Tests will instantiate this class to pad out bit sets to test out the various
+// ways we can represent the bit set (32-bit inline, 64-bit inline, memory).
+// This class has 37 virtual member functions, which forces us to use a
+// pointer-aligned bitset.
+template <typename T, unsigned I>
+class Deriver : T {
+  virtual void f() {}
+  virtual void g() {}
+  virtual void f1() {}
+  virtual void f2() {}
+  virtual void f3() {}
+  virtual void f4() {}
+  virtual void f5() {}
+  virtual void f6() {}
+  virtual void f7() {}
+  virtual void f8() {}
+  virtual void f9() {}
+  virtual void f10() {}
+  virtual void f11() {}
+  virtual void f12() {}
+  virtual void f13() {}
+  virtual void f14() {}
+  virtual void f15() {}
+  virtual void f16() {}
+  virtual void f17() {}
+  virtual void f18() {}
+  virtual void f19() {}
+  virtual void f20() {}
+  virtual void f21() {}
+  virtual void f22() {}
+  virtual void f23() {}
+  virtual void f24() {}
+  virtual void f25() {}
+  virtual void f26() {}
+  virtual void f27() {}
+  virtual void f28() {}
+  virtual void f29() {}
+  virtual void f30() {}
+  virtual void f31() {}
+  virtual void f32() {}
+  virtual void f33() {}
+  virtual void f34() {}
+  virtual void f35() {}
+};
+
+#endif