gcc/testsuite/jit.dg/test-error-bad-bitcast2.c

#include <stdlib.h>
#include <stdio.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:

     char[4096]
     test_fn ()
     {
       int f;
       return bitcast(f, char[4096]);
     }

     and verify that the API complains about the bad cast.
  */
  gcc_jit_type *int_type =
    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
  gcc_jit_type *char_type =
    gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_CHAR);


  gcc_jit_type *array_type =
    gcc_jit_context_new_array_type (ctxt, NULL, char_type, 4096);

  gcc_jit_function *test_fn =
    gcc_jit_context_new_function (ctxt, NULL,
                                  GCC_JIT_FUNCTION_EXPORTED,
                                  array_type,
                                  "test_fn",
                                  0, NULL,
                                  0);
  gcc_jit_lvalue *f =
    gcc_jit_function_new_local (
      test_fn,
      NULL,
      int_type, "f");

  gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);

  gcc_jit_block_end_with_return (
    block, NULL,
    gcc_jit_context_new_bitcast (ctxt, NULL,
			      gcc_jit_lvalue_as_rvalue (f),
			      array_type));
}

void
verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
{
  CHECK_VALUE (result, NULL);

  /* Verify that the correct error message was emitted.  */
  CHECK_STRING_VALUE (gcc_jit_context_get_first_error (ctxt),
		      "bitcast with types of different sizes");
}