[HWASan] Add "N" suffix to generic __hwasan_load/store.

Summary:
"N" suffix is added by the instrumentation and interface functions
are expected to be exported from the library as __hwasan_loadN* and
__hwasan_storeN*.

Reviewers: eugenis

Subscribers: kubamracek, delcypher, #sanitizers, llvm-commits

Differential Revision: https://reviews.llvm.org/D45739

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@330297 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 22 insertions, 0 deletions

diff --git a/test/hwasan/TestCases/check-interface.cc b/test/hwasan/TestCases/check-interface.cc
new file mode 100644
index 000000000..7ad911480
--- /dev/null
+++ b/test/hwasan/TestCases/check-interface.cc
@@ -0,0 +1,22 @@
+// RUN: %clangxx_hwasan -mllvm -hwasan-instrument-with-calls=1 -O0 %s -o %t
+// RUN: %clangxx_hwasan -mllvm -hwasan-instrument-with-calls=1 -O0 %s -o %t -fsanitize-recover=hwaddress
+
+// REQUIRES: stable-runtime
+
+// Utilizes all flavors of __hwasan_load/store interface functions to verify
+// that the instrumentation and the interface provided by HWASan do match.
+// In case of a discrepancy, this test fails to link.
+
+#include <sanitizer/hwasan_interface.h>
+
+#define F(T) void f_##T(T *a, T *b) { *a = *b; }
+
+F(uint8_t)
+F(uint16_t)
+F(uint32_t)
+F(uint64_t)
+
+typedef unsigned V32 __attribute__((__vector_size__(32)));
+F(V32)
+
+int main() {}