gcc/testsuite/gcc.dg/torture/ipa-pta-1.c

   1 /* { dg-do compile { target { nonpic } } } */
   2 /* { dg-options "-fipa-pta -fdump-ipa-pta" } */
   3 /* { dg-skip-if "" { *-*-* } { "-O0" } { "" } } */
   4
   5 struct X { char x; char y; };
   6
   7 void bar (char *p);
   8
   9 void test1 (char a, char b, char c, char d, char e, char f, char g, char h)
  10 {
  11   char *p = &a;
  12   p++;
  13   bar (p);
  14 }
  15
  16 void test2 (struct X a, char b, char c, char d, char e, char f, char g, char h)
  17 {
  18   char *p = &a.x;
  19   p++;
  20   bar (p);
  21 }
  22
  23 void test3 (struct X a, char b, char c, char d, char e, char f, char g, char h)
  24 {
  25   char *p = &a.y;
  26   bar (p);
  27 }
  28
  29 void test4 (int a, char b, char c, char d, char e, char f, char g, char h)
  30 {
  31   char *p = (char *)&a;
  32   p++;
  33   p++;
  34   p++;
  35   p++;
  36   bar (p);
  37 }
  38
  39 /* { dg-final { scan-ipa-dump "bar.arg0 = { test4.arg0 test3.arg0 test2.arg0 test1.arg0 }" "pta" } } */
  40 /* { dg-final { cleanup-ipa-dump "pta" } } */