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/* Test of PR jit/66700. */
#include <stdlib.h>
#include <stdio.h>
#include "libgccjit.h"
#include "harness.h"
#ifdef __cplusplus
extern "C" {
#endif
extern void
write_back_through_ptr (double *d);
#ifdef __cplusplus
}
#endif
void
create_code (gcc_jit_context *ctxt, void *user_data)
{
/* Let's try to inject the equivalent of:
double
test_caller_of_write_back_through_ptr (void)
{
double d;
d = 4.0;
write_back_through_ptr (&d);
return d;
}
*/
gcc_jit_type *t_void =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
gcc_jit_type *t_double =
gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_DOUBLE);
gcc_jit_type *t_ptr_to_double =
gcc_jit_type_get_pointer (t_double);
/* Declare the imported function. */
gcc_jit_param *params[1];
params[0] =
gcc_jit_context_new_param (ctxt, NULL, t_ptr_to_double, "d");
gcc_jit_function *called_fn =
gcc_jit_context_new_function (ctxt, NULL,
GCC_JIT_FUNCTION_IMPORTED,
t_void,
"write_back_through_ptr",
1, params,
0);
/* Build the test_fn. */
gcc_jit_function *test_fn =
gcc_jit_context_new_function (ctxt, NULL,
GCC_JIT_FUNCTION_EXPORTED,
t_double,
"test_caller_of_write_back_through_ptr",
0, NULL,
0);
gcc_jit_lvalue *d =
gcc_jit_function_new_local (test_fn, NULL, t_double, "d");
gcc_jit_block *block = gcc_jit_function_new_block (test_fn, NULL);
/* "d = 0.0" */
gcc_jit_block_add_assignment (
block, NULL, d,
gcc_jit_context_new_rvalue_from_int (ctxt, t_double, 4));
/* "write_back_through_ptr (&d);" */
gcc_jit_rvalue *args[1];
args[0] = gcc_jit_lvalue_get_address (d, NULL);
gcc_jit_block_add_eval (
block, NULL,
gcc_jit_context_new_call (ctxt,
NULL,
called_fn,
1, args));
gcc_jit_block_end_with_return (block,
NULL,
gcc_jit_lvalue_as_rvalue (d));
}
extern void
write_back_through_ptr (double *d)
{
*d = 5.600000;
}
void
verify_code (gcc_jit_context *ctxt, gcc_jit_result *result)
{
typedef double (*fn_type) (void);
CHECK_NON_NULL (result);
fn_type test_caller_of_write_back_through_ptr =
(fn_type)gcc_jit_result_get_code (result,
"test_caller_of_write_back_through_ptr");
CHECK_NON_NULL (test_caller_of_write_back_through_ptr);
/* Call the JIT-generated function. */
double d = test_caller_of_write_back_through_ptr ();
/* Verify that it correctly called "write_back_through_ptr". */
CHECK_VALUE (d, 5.600000);
}
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