1 files changed, 61 insertions, 0 deletions
diff --git a/gcc/testsuite/jit.dg/test-bitcast.c b/gcc/testsuite/jit.dg/test-bitcast.c
new file mode 100644
index 00000000000..2f80045293f
--- /dev/null
+++ b/gcc/testsuite/jit.dg/test-bitcast.c
@@ -0,0 +1,61 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "libgccjit.h"
+
+#include "harness.h"
+
+void
+create_code (gcc_jit_context *ctxt, void *user_data)
+{
+  /* Let's try to inject the equivalent of:
+int32_t
+my_bitcast (float x)
+{
+   return bitcast(x, int32_t);
+}
+   */
+  gcc_jit_type *int32 =
+    gcc_jit_context_get_int_type (ctxt, 4, 1);
+  gcc_jit_type *float_type =
+    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_FLOAT);
+
+  gcc_jit_param *x =
+    gcc_jit_context_new_param (
+      ctxt,
+      NULL,
+      float_type, "x");
+  gcc_jit_param *params[1] = {x};
+  gcc_jit_function *func =
+    gcc_jit_context_new_function (ctxt,
+				  NULL,
+				  GCC_JIT_FUNCTION_EXPORTED,
+				  int32,
+				  "my_bitcast",
+				  1, params, 0);
+
+  gcc_jit_block *initial =
+    gcc_jit_function_new_block (func, "initial");
+
+  gcc_jit_block_end_with_return(initial, NULL,
+    gcc_jit_context_new_bitcast(ctxt,
+        NULL,
+        gcc_jit_param_as_rvalue(x),
+        int32
+    ));
+}
+
+void
+verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
+{
+  typedef int32_t (*my_bitcast_fn_type) (float);
+  CHECK_NON_NULL (result);
+  my_bitcast_fn_type my_bitcast =
+    (my_bitcast_fn_type)gcc_jit_result_get_code (result, "my_bitcast");
+  CHECK_NON_NULL (my_bitcast);
+  int32_t val = my_bitcast (3.1415927f);
+  note ("my_bitcast returned: 0x%x", val);
+  CHECK_VALUE (val, 0x40490FDB);
+}