rt_gccstream/gcc/testsuite/gcc.dg/tree-ssa/ssa-pre-16.c

16 lines
396 B
C

/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-pre-stats -std=c99" } */
int foo(int k, int *x)
{
int j=0;
int res = 0;
/* We should pull res = *x all the way out of the do-while */
do {
for (int n=0;n<3;++n);
res = *x;
} while (++j<k);
return res;
}
/* { dg-final { scan-tree-dump-times "Eliminated: 1" 1 "pre"} } */
/* { dg-final { cleanup-tree-dump "pre" } } */