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/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized -fno-tree-sra" } */
/* Even without SRA being enabled, we should be able to eliminate every structure store and load here. */
extern void foo (const int);
int main(void)
{
struct a
{
int e;
int f;
int g;
} a;
struct a b;
int x, c;
a.e = 50;
a.f = 9;
a.g = a.e * a.f;
foo (a.f);
foo (a.g);
x = a.f;
c = a.e;
foo (x);
foo (c);
a.e = 5;
a.f = 40;
a.g = 90;
foo (a.e);
foo (a.f);
foo (a.g);
c = a.f;
foo (c);
b.e = 9;
a.e = b.e + 1 * c;
a.f = 30;
foo (a.e);
foo (a.f);
x = a.e * a.f;
foo (x);
}
/* { dg-final { scan-tree-dump-times "a.e" 0 "optimized" } } */
/* { dg-final { scan-tree-dump-times "a.f" 0 "optimized" } } */
/* { dg-final { scan-tree-dump-times "a.g" 0 "optimized" } } */
/* { dg-final { scan-tree-dump-times "b.e" 0 "optimized" } } */
/* { dg-final { cleanup-tree-dump "optimized" } } */
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