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Add gcc.dg/tree-ssa/modref-3.c testcase

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* gcc.dg/tree-ssa/modref-3.c: New test.
This commit is contained in:
Jan Hubicka 2020-10-03 17:20:54 +02:00
parent c34db4b6f8
commit a1f77106ec
1 changed files with 31 additions and 0 deletions
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31
gcc/testsuite/gcc.dg/tree-ssa/modref-3.c Normal file
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@ -0,0 +1,31 @@
/* { dg-do compile } */
/* { dg-options "-O2 -fdump-tree-optimized" } */
struct a
{
int b;
int c;
};
__attribute__ ((noclone, noinline))
void
test (struct a *a)
{
a->b = 2;
}
int
foo ()
{
struct a a = {113,114};
test (&a);
return a.c;
}
int
foo2 (struct a *a)
{
a->b = 123;
a->c = 124;
test (a);
return a->c;
}
/* { dg-final { scan-tree-dump "return 114" "optimized"} } */
/* { dg-final { scan-tree-dump "return 124" "optimized"} } */