sdcc/support/regression/tests/gcc-torture-execute-lto-tbaa-1.c

   1 /*
   2 lto-tbaa-1.c from the execute part of the gcc torture tests.
   3 */
   4
   5 #include <testfwk.h>
   6
   7 /* { dg-additional-options "-fno-early-inlining -fno-ipa-cp" }  */
   8 struct a {
   9   float *b;
  10 } *a;
  11 struct b {
  12   int *b;
  13 } b;
  14 struct c {
  15   float *b;
  16 } *c;
  17 int d;
  18 void use_a (struct a *a)
  19 {
  20   (void)a;
  21 }
  22 void set_b (int **a)
  23 {
  24   *a=&d;
  25 }
  26 void use_c (struct c *a)
  27 {
  28   (void)a;
  29 }
  30 int **retme(int **val)
  31 {
  32   return val;
  33 }
  34 int e;
  35 struct b b= {&e};
  36 struct b b2;
  37 struct b b3;
  38 int **ptr = &b2.b;
  39 void
  40 testTortureExecute (void)
  41 {
  42   a= (void *)0;
  43   b.b=&e;
  44   ptr =retme ( &b.b);
  45   set_b (ptr);
  46   b3=b;
  47   ASSERT(b3.b == &d);
  48   c= (void *)0;
  49   return;
  50 }