view gcc/testsuite/gcc.dg/bconstp-3.c @ 158:494b0b89df80 default tip

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author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Mon, 25 May 2020 18:13:55 +0900
parents 04ced10e8804
children
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/* As bconstp-1.c, but with the __builtin_constant_p calls inside
   __builtin_choose_expr.  */
/* { dg-do compile } */

/* This test checks that builtin_constant_p can be used safely in
   initializers for static data.  The macro X() defined below should
   be an acceptable initializer expression no matter how complex its
   argument is.  */

extern int a;
extern int b;

extern int foo(void);
extern int bar(void);

#define X(exp) (__builtin_choose_expr(1, __builtin_constant_p(exp), 1) ? (exp) : -1)

const short tests[] = {
  X(0),
  X(a),
  X(0 && a),
  X(a && b),
  X(foo()),
  X(0 && foo()),
  X(a && foo()),
  X(foo() && bar())
};