generic load hardening test

Author: raoulstrackx

src/test/assembly/x86_64-fortanix-unknown-sgx-lvi-generic-load.rs

@@ -0,0 +1,18 @@
+// Test LVI load hardening on SGX enclave code
+
+// assembly-output: emit-asm
+// compile-flags: --crate-type staticlib
+// only-x86_64-fortanix-unknown-sgx
+
+#[no_mangle]
+pub extern fn plus_one(r: &mut u64) {
+    *r = *r + 1;
+}
+
+// CHECK: plus_one
+// CHECK: lfence
+// CHECK-NEXT: addq
+// CHECK: popq [[REGISTER:%[a-z]+]]
+// CHECK-NEXT: lfence
+// CHECK-NEXT: jmpq *[[REGISTER]]
+