gcc/testsuite/jit.dg/test-sizeof.c

   1 #include <stdlib.h>
   2 #include <stdio.h>
   3 #include <string.h>
   4 #include <stdint.h>
   5
   6 #include "libgccjit.h"
   7
   8 #include "harness.h"
   9
  10 void
  11 create_code (gcc_jit_context *ctxt, void *user_data)
  12 {
  13   /* Let's try to inject the equivalent of:
  14 int
  15 my_sizeof ()
  16 {
  17    return sizeof(int32_t);
  18 }
  19    */
  20   gcc_jit_type *int32 =
  21     gcc_jit_context_get_int_type (ctxt, 4, 1);
  22   gcc_jit_type *int_type =
  23     gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
  24
  25   gcc_jit_function *func =
  26     gcc_jit_context_new_function (ctxt,
  27                                   NULL,
  28                                   GCC_JIT_FUNCTION_EXPORTED,
  29                                   int_type,
  30                                   "my_sizeof",
  31                                   0, NULL, 0);
  32
  33   gcc_jit_block *initial =
  34     gcc_jit_function_new_block (func, "initial");
  35
  36   gcc_jit_block_end_with_return(initial, NULL,
  37     gcc_jit_context_new_sizeof(ctxt, int32));
  38 }
  39
  40 void
  41 verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
  42 {
  43   typedef int (*my_sizeof_type) ();
  44   CHECK_NON_NULL (result);
  45   my_sizeof_type my_sizeof =
  46     (my_sizeof_type)gcc_jit_result_get_code (result, "my_sizeof");
  47   CHECK_NON_NULL (my_sizeof);
  48   int val = my_sizeof ();
  49   CHECK_VALUE (val, 4);
  50 }