gcc/testsuite/gcc.dg/ipa/ipa-sra-20.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -fipa-sra" } */
   3
   4 typedef struct {
   5   int a;
   6 } b;
   7 typedef struct {
   8   double c;
   9   double a;
  10 } d;
  11 typedef struct {
  12   d e;
  13   d f;
  14 } g;
  15 g h;
  16 b i, m;
  17 int j, k, l, n, o;
  18 static b q(d s) {
  19   int r = s.c ?: 0;
  20   if (r)
  21     if (j)
  22       l = j - 2;
  23   o = k;
  24   n = l;
  25   i = m;
  26   return m;
  27 }
  28 static void t(g s) {
  29   {
  30     d p = s.e;
  31     int r = p.c ?: 0;
  32     if (r) {
  33       l = j - 2;
  34     }
  35   }
  36   b f = q(s.f);
  37 }
  38 void main() { t(h); }