diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 6502977bb18..914f9a513e9 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,9 @@ +2005-07-12 Andrew Pinski + + PR tree-opt/22335 + * gcc.dg/pr22335-1.c: New test. + * gcc.dg/pr22335-2.c: New test. + 2005-07-12 Volker Reichelt PR c++/20172 diff --git a/gcc/testsuite/gcc.dg/pr22335-1.c b/gcc/testsuite/gcc.dg/pr22335-1.c new file mode 100644 index 00000000000..a2a760bfc96 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr22335-1.c @@ -0,0 +1,10 @@ +/* { dg-do compile } */ +/* { dg-options "-O1 -fdelete-null-pointer-checks" } */ +int t(int *a) +{ + int i; + *a = 1; + i = a == 0; + return i; +} + diff --git a/gcc/testsuite/gcc.dg/pr22335-2.c b/gcc/testsuite/gcc.dg/pr22335-2.c new file mode 100644 index 00000000000..afba95521b3 --- /dev/null +++ b/gcc/testsuite/gcc.dg/pr22335-2.c @@ -0,0 +1,39 @@ +/* { dg-do compile } */ +/* { dg-options "-O2" } */ +void abort(void) __attribute__((__noreturn__)); +typedef struct { + int container; +} edge_iterator; +struct ls_expr +{ + int index; + int stores; + struct ls_expr * next; +}; +struct ls_expr * pre_ldst_mems; +edge_iterator ei; +void +store_motion (void) +{ + struct ls_expr * ptr, **prev_next_ptr_ptr; + edge_iterator ei1; + edge_iterator ei2; + int a = ptr != ((void *)0); + for (ptr = pre_ldst_mems, prev_next_ptr_ptr = &pre_ldst_mems; + ptr != ((void *)0); + ptr = *prev_next_ptr_ptr) + if (!((ptr)->stores)) + *prev_next_ptr_ptr = ptr->next; + else + prev_next_ptr_ptr = &ptr->next; + + for (ptr = pre_ldst_mems; ptr != 0; ptr = ptr->next) + ; + ei1 = ei; + ei2 = ei1; + if (!ei2.container) + abort (); + ei2 = ei1; + if (!ei2.container) + abort (); +}