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

   1 /* { dg-do compile { target x86_64-*-* } } */
   2
   3 #include <stdlib.h>
   4 #include <stdio.h>
   5
   6 #include "libgccjit.h"
   7
   8 #define TEST_ESCHEWS_SET_OPTIONS
   9 static void set_options (gcc_jit_context *ctxt, const char *argv0)
  10 {
  11   // Set "-O2".
  12   gcc_jit_context_set_int_option(ctxt, GCC_JIT_INT_OPTION_OPTIMIZATION_LEVEL, 2);
  13 }
  14
  15 #define TEST_COMPILING_TO_FILE
  16 #define OUTPUT_KIND      GCC_JIT_OUTPUT_KIND_ASSEMBLER
  17 #define OUTPUT_FILENAME  "output-of-test-cold-attribute.c.s"
  18 #include "harness.h"
  19
  20 void
  21 create_code (gcc_jit_context *ctxt, void *user_data)
  22 {
  23   /* Let's try to inject the equivalent of:
  24 int
  25 __attribute__ ((cold))
  26 t()
  27 {
  28   return -1;
  29 }
  30
  31   */
  32   gcc_jit_type *int_type =
  33     gcc_jit_context_get_type (ctxt, GCC_JIT_TYPE_INT);
  34
  35   gcc_jit_function *func_t =
  36     gcc_jit_context_new_function (ctxt, NULL,
  37                                   GCC_JIT_FUNCTION_EXPORTED,
  38                                   int_type,
  39                                   "t",
  40                                   0, NULL,
  41                                   0);
  42   gcc_jit_function_add_attribute(func_t, GCC_JIT_FN_ATTRIBUTE_COLD);
  43   gcc_jit_block *block = gcc_jit_function_new_block (func_t, NULL);
  44   gcc_jit_rvalue *ret = gcc_jit_context_new_rvalue_from_int (ctxt,
  45     int_type,
  46     -1);
  47
  48   gcc_jit_block_end_with_return (block, NULL, ret);
  49 }
  50
  51 /* { dg-final { jit-verify-output-file-was-created "" } } */
  52 /* { dg-final { jit-verify-assembler-output "orl" } } */