mirror of git://gcc.gnu.org/git/gcc.git
89 lines
1.8 KiB
C
89 lines
1.8 KiB
C
// { dg-do run }
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extern "C" void abort ();
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namespace NS
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{
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struct U
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{
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void foo (U &, bool);
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U ();
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};
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struct S
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{
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int s;
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#pragma omp declare reduction (foo : U, S : omp_out.foo (omp_in, false))
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#pragma omp declare reduction (foo : int : omp_out += omp_in) \
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initializer (omp_priv = int ())
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void baz (int v)
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{
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S s;
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int q = 0;
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if (s.s != 6 || v != 0) abort ();
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s.s = 20;
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#pragma omp parallel num_threads (4) reduction (foo : s, v) \
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reduction (::NS::U::operator + : q)
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{
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if (s.s != 6 || q != 0 || v != 0) abort ();
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asm volatile ("" : "+m" (s.s), "+r" (q), "+r" (v));
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s.s++; q++; v++;
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}
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if (s.s != 20 + q * 7 || q != v) abort ();
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}
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void foo (S &x) { s += x.s; }
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void foo (S &x, bool y) { s += x.s; if (y) abort (); }
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S (const S &x) { s = x.s + 1; }
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S (const S &x, bool y) { s = x.s + 2; if (y) abort (); }
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S () { s = 6; }
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S (int x) { s = x; }
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~S ();
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};
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#pragma omp declare reduction (bar : S : omp_out.foo (omp_in)) \
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initializer (omp_priv (8))
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}
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NS::S::~S ()
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{
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if (s < 6) abort ();
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s = -1;
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/* Ensure the above store is not DSEd. */
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asm volatile ("" : : "r" (&s) : "memory");
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}
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struct T : public NS::S
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{
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void baz ()
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{
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S s;
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int q = 0;
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if (s.s != 6) abort ();
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#pragma omp parallel num_threads (4) reduction (foo:s) \
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reduction (+: q)
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{
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if (s.s != 6 || q != 0) abort ();
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asm volatile ("" : "+m" (s.s), "+r" (q));
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s.s += 2; q++;
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}
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if (s.s != 6 + q * 8) abort ();
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}
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};
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int
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main ()
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{
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NS::S s;
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s.baz (0);
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T t;
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t.baz ();
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int q = 0;
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if (s.s != 6) abort ();
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// Test ADL
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#pragma omp parallel num_threads (4) reduction (bar:s) reduction (+:q)
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{
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if (s.s != 8 || q != 0) abort ();
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asm volatile ("" : "+m" (s.s), "+r" (q));
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s.s += 4; q++;
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}
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if (s.s != 6 + q * 12) abort ();
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}
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