test/FrontendC/2007-02-05-nested.c

   1 // RUN: %llvmgcc -S -fnested-functions -O0 -o - -emit-llvm %s
   2 // PR915
   3
   4 extern void abort(void);
   5
   6 void nest(int n)
   7 {
   8   int a = 0;
   9   int b = 5;
  10   int c = 0;
  11   int d = 7;
  12
  13   void o(int i, int j)
  14   {
  15     if (i!=j)
  16       abort();
  17   }
  18
  19   void f(x)
  20     int x; /* K&R style */
  21   {
  22     int e = 0;
  23     int f = 2;
  24     int g = 0;
  25
  26     void y(void)
  27     {
  28       c = n;
  29       e = 1;
  30       g = x;
  31     }
  32
  33     void z(void)
  34     {
  35       a = 4;
  36       g = 3;
  37     }
  38
  39     a = 5;
  40     y();
  41     c = x;
  42     z();
  43     o(1,e);
  44     o(2,f);
  45     o(3,g);
  46   }
  47
  48   c = 2;
  49   f(6);
  50   o(4,a);
  51   o(5,b);
  52   o(6,c);
  53   o(7,d);
  54 }