Viewing file:  nvptx-nrv1.C (1.88 KB) -rw-r--r--
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// { dg-do compile { target nvptx-*-* } }
// { dg-additional-options "-m64" }
// Check NRV optimization doesn't change the PTX prototypes.
struct A
{
int d;
// { dg-final { scan-assembler-times ".weak .func _ZN1AC1Ev \\(.param.u64 %in_ar0\\)(?:;|\[\r\n\]+\{)" 2 } }
A () { d = 123; }
A (const A & o) { d = o.d; }
void frob ();
};
namespace unopt
{
// { dg-final { scan-assembler ".extern .func _ZN5unopt3fooEv \\(.param.u64 %in_ar0\\);" } }
A __attribute__ ((__optimize__ ("O0"))) foo ();
// { dg-final { scan-assembler-times ".visible .func _ZN5unopt3barEv \\(.param.u64 %in_ar0\\)(?:;|\[\r\n\]+\{)" 2 } }
A __attribute__ ((__optimize__ ("O0"), noinline)) bar()
{
A l;
return l;
}
// { dg-final { scan-assembler-times ".visible .func _ZN5unopt3bazEv \\(.param.u64 %in_ar0\\)(?:;|\[\r\n\]+\{)" 2 } }
A __attribute__ ((__optimize__ ("O0"), noinline)) baz ()
{
return foo ();
}
void __attribute__ ((__optimize__ ("O0"), noinline)) quux ()
{
bar ().frob ();
baz ().frob ();
foo ().frob ();
}
}
namespace opt
{
// { dg-final { scan-assembler ".extern .func _ZN3opt3fooEv \\(.param.u64 %in_ar0\\);" } }
A __attribute__ ((__optimize__ ("O2"), noinline)) foo ();
// { dg-final { scan-assembler-times ".visible .func _ZN3opt3barEv \\(.param.u64 %in_ar0\\)(?:;|\[\r\n\]+\{)" 2 } }
A __attribute__ ((__optimize__ ("O2"), noinline)) bar()
{
A l;
return l;
}
// { dg-final { scan-assembler-times ".visible .func _ZN3opt3bazEv \\(.param.u64 %in_ar0\\)(?:;|\[\r\n\]+\{)" 2 } }
A __attribute__ ((__optimize__ ("O2"))) baz ()
{
return foo ();
}
void __attribute__ ((__optimize__ ("O2"), noinline)) quux ()
{
bar ().frob ();
baz ().frob ();
foo ().frob ();
}
}
// Make sure we're not trying return a return value anywhere.
// { dg-final { scan-assembler-not "st.param.u64\[\t \]*\\\[%out_retval\\\], %\[_a-z0-9\]*;" } }
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