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re PR tree-optimization/22335 (DOM creates mis-matched types)

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2005-07-12  Andrew Pinski  <pinskia@physics.uc.edu>

        PR tree-opt/22335
        * gcc.dg/pr22335-1.c: New test.
        * gcc.dg/pr22335-2.c: New test.

From-SVN: r101930
This commit is contained in:
Andrew Pinski 2005-07-12 17:02:54 +00:00 committed by Andrew Pinski
parent 019b02f12f
commit fd5d2c3eb8
3 changed files with 55 additions and 0 deletions
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6
gcc/testsuite/ChangeLog
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@ -1,3 +1,9 @@
2005-07-12 Andrew Pinski <pinskia@physics.uc.edu>
PR tree-opt/22335
* gcc.dg/pr22335-1.c: New test.
* gcc.dg/pr22335-2.c: New test.
2005-07-12 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
PR c++/20172

10
gcc/testsuite/gcc.dg/pr22335-1.c Normal file
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/* { dg-do compile } */
/* { dg-options "-O1 -fdelete-null-pointer-checks" } */
int t(int *a)
{
int i;
*a = 1;
i = a == 0;
return i;
}

39
gcc/testsuite/gcc.dg/pr22335-2.c Normal file
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/* { 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 ();
}