gcc/testsuite/jit.dg/test-alias-attribute.c

   1 /* { dg-do compile { target x86_64-*-* } } */
   2 /* { dg-require-alias "" } */
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6
   7 #include "libgccjit.h"
   8
   9 #define TEST_COMPILING_TO_FILE
  10 #define OUTPUT_KIND      GCC_JIT_OUTPUT_KIND_ASSEMBLER
  11 #define OUTPUT_FILENAME  "output-of-test-alias-attribute.c.s"
  12 #include "harness.h"
  13
  14 void
  15 create_code (gcc_jit_context *ctxt, void *user_data)
  16 {
  17   /* Let's try to inject the equivalent of:
  18
  19 void xxx () {}
  20 void f () __attribute__ ((alias ("xxx")));
  21   */
  22   gcc_jit_type *void_type =
  23     gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_VOID);
  24
  25   /* Creating the `xxx` function. */
  26   gcc_jit_function *xxx_func =
  27     gcc_jit_context_new_function (ctxt, NULL,
  28           GCC_JIT_FUNCTION_EXPORTED,
  29           void_type,
  30           "xxx",
  31           0, NULL,
  32           0);
  33
  34   /* Creating the `f` function. */
  35   gcc_jit_function *f_func =
  36     gcc_jit_context_new_function (ctxt, NULL,
  37                                   GCC_JIT_FUNCTION_IMPORTED,
  38                                   void_type,
  39                                   "f",
  40                                   0, NULL,
  41                                   0);
  42   gcc_jit_function_add_string_attribute(f_func, GCC_JIT_FN_ATTRIBUTE_ALIAS, "xxx");
  43
  44   /* void xxx () {} */
  45   gcc_jit_block *block = gcc_jit_function_new_block (xxx_func, NULL);
  46   gcc_jit_block_end_with_void_return (block, NULL);
  47 }
  48
  49 /* { dg-final { jit-verify-output-file-was-created "" } } */
  50 /* Check that the attribute was applied correctly */
  51 /* { dg-final { jit-verify-assembler-output ".set\\s+f,xxx" } } */