diff options
Diffstat (limited to 'gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c')
-rw-r--r-- | gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c b/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c new file mode 100644 index 000000000..4be6049e9 --- /dev/null +++ b/gcc/testsuite/gcc.dg/tree-ssa/20040326-1.c @@ -0,0 +1,32 @@ +/* { dg-options "-O2 -fno-inline-functions" } */ +/* { dg-do run } */ +/* When there are no call-clobbered variables, we should still create + a .GLOBAL_VAR to model the side effects of functions. Without it, + we were moving the call to Faref() inside the second call to + Faset(). */ +extern void abort (void); +extern void exit (int); + +main () +{ + int table, c, elt; + int tem = Faref (table, elt); + Faset (table, elt, c); + Faset (table, c, tem);/* tem cannot be replaced with Faref (table, elt) */ + exit (0); +} + +int j = 0; + +int __attribute__ ((noinline)) Faref (table, elt) +{ + j = 1; + return 0; +} + +int __attribute__ ((noinline)) Faset (table, elt, c) +{ + if (j != 1) + abort (); + return 0; +} |