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/* Test to verify that a PHI with a COND_EXPR argument in a return
statement is handled correctly.
{ dg-do compile }
{ dg-options "-O2 -Wall" } */
extern struct S s;
void* f (int n)
{
void *p;
int x = 0;
for (int i = n; i >= 0; i--)
{
p = &s;
if (p == (void*)-1)
x = 1;
else if (p)
return p;
}
/* The return statement below ends up with the following IL:
<bb 6> [local count: 59055800]:
# x_10 = PHI <1(5), 0(2)>
_5 = x_10 != 0 ? -1B : 0B;
<bb 7> [local count: 114863532]:
# _3 = PHI <&s(4), _5(6), &s(3)>
return _3; */
return x ? (void*)-1 : 0;
}
void* g (int n)
{
void *p;
int x = 0; /* { dg-message "declared here" } */
for (int i = n; i >= 0; i--)
{
p = &s;
if (p == (void*)-1)
x = 1;
else if (p)
return p;
}
/* The return statement below does not reference a COND_EXPR argument. */
return x ? &x : 0; /* { dg-warning "may return address of local variable" "missing location" { xfail *-*-* } } */
/* { dg-warning "may return address of local variable" "pr90735" { target *-*-* } 0 } */
}
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