1 files changed, 31 insertions, 0 deletions
diff --git a/deps/lightning/doc/incr.c b/deps/lightning/doc/incr.c
new file mode 100644
index 0000000..88859a8
--- /dev/null
+++ b/deps/lightning/doc/incr.c
@@ -0,0 +1,31 @@
+#include <stdio.h>
+#include <lightning.h>
+
+static jit_state_t *_jit;
+
+typedef int (*pifi)(int);    /* Pointer to Int Function of Int */
+
+int main(int argc, char *argv[])
+{
+  jit_node_t  *in;
+  pifi         incr;
+
+  init_jit(argv[0]);
+  _jit = jit_new_state();
+
+  jit_prolog();                    /* @t{     prolog             } */
+  in = jit_arg();                  /* @t{     in = arg           } */
+  jit_getarg(JIT_R0, in);          /* @t{     getarg R0          } */
+  jit_addi(JIT_R0, JIT_R0, 1);     /* @t{     addi   R0\, R0\, 1 } */
+  jit_retr(JIT_R0);                /* @t{     retr   R0          } */
+
+  incr = jit_emit();
+  jit_clear_state();
+
+  /* call the generated code\, passing 5 as an argument */
+  printf("%d + 1 = %d\n", 5, incr(5));
+
+  jit_destroy_state();
+  finish_jit();
+  return 0;
+}