test/FrontendC/2007-09-20-GcrootAttribute.c

   1 // RUN: %llvmgcc -S -emit-llvm %s -o - | grep llvm.gcroot
   2 // RUN: %llvmgcc -S -emit-llvm %s -o - | grep llvm.gcroot | count 6
   3 // RUN: %llvmgcc -S -emit-llvm %s -o - | llvm-as
   4
   5 typedef struct foo_s
   6 {
   7   int a;
   8 } foo, __attribute__ ((gcroot)) *foo_p;
   9
  10 foo my_foo;
  11
  12 int alpha ()
  13 {
  14   foo my_foo2 = my_foo;
  15
  16   return my_foo2.a;
  17 }
  18
  19 int bar (foo a)
  20 {
  21   foo_p b;
  22   return b->a;
  23 }
  24
  25 foo_p baz (foo_p a, foo_p b, foo_p *c)
  26 {
  27   a = b = *c;
  28   return a;
  29 }