Add simple peeling test.

tests/c/simple_peeling.c

@@ -0,0 +1,49 @@
+// Run-time:
+//   env-var: YKD_LOG_IR=jit-post-opt
+//   env-var: YKD_SERIALISE_COMPILATION=1
+//   env-var: YK_LOG=4
+//   stderr:
+//     ...
+//     --- Begin jit-post-opt ---
+//     ...
+//     header_start ...
+//     ...
+//     header_end [%{{0}}, %{{1}}, %{{2}}, %{{3}}, %{{4}}, %{{25}}]
+//     ...
+//     body_start [%{{30}}, %{{31}}, %{{32}}, %{{33}}, %{{34}}, %{{35}}]
+//     ...
+//     body_end ...
+//     ...
+//     --- End jit-post-opt ---
+//     ...
+
+// Check that basic trace compilation works.
+
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <yk.h>
+#include <yk_testing.h>
+
+int main(int argc, char **argv) {
+  YkMT *mt = yk_mt_new(NULL);
+  yk_mt_hot_threshold_set(mt, 0);
+  YkLocation loc = yk_location_new();
+
+  int res = 9998;
+  int i = 4;
+  NOOPT_VAL(loc);
+  NOOPT_VAL(res);
+  NOOPT_VAL(i);
+  while (i > 0) {
+    yk_mt_control_point(mt, &loc);
+    fprintf(stderr, "%d\n", i);
+    i--;
+  }
+  fprintf(stderr, "exit\n");
+  NOOPT_VAL(res);
+  yk_location_drop(loc);
+  yk_mt_shutdown(mt);
+  return (EXIT_SUCCESS);
+}