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/* Test that IPA-CP is able to figure out that both parameters a are constant 7
even though f and h recursively call each other and specialize them
accordingly. */
/* { dg-do compile } */
/* { dg-options "-O3 -fipa-cp -fipa-cp-clone -fdump-ipa-cp -fno-early-inlining" } */
/* { dg-add-options bind_pic_locally } */
extern void use_stuff (int);
static
int g (int b, int c)
{
int i;
for (i = 0; i < b; i++)
use_stuff (c);
}
static void f (int a, int x, int z);
static void h (int z, int a)
{
use_stuff (z);
f (a, 9, 10);
}
static void
f (int a, int x, int z)
{
if (z > 1)
g (a, x);
else
h (5, a);
}
int
main (int argc, char *argv[])
{
int i;
for (i = 0; i < 100; i++)
f (7, 8, argc);
return 0;
}
/* { dg-final { scan-ipa-dump "Creating a specialized node of f" "cp" } } */
/* { dg-final { scan-ipa-dump "replacing param .0 a with const 7" "cp" } } */
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