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3a4b9f3891
This one is a bit complicated, as it has some interesting interactions, as 'gang' Sema is required to look at its containing compute construct. Except in the case of a combined construct, they are the same. This resulted in a large refactor of the checking code for CheckGangExpr, plus some additional work on the diagnostics for its interaction with 'num_gangs' and 'vector'/'worker'.
343 lines
11 KiB
C++
343 lines
11 KiB
C++
// RUN: %clang_cc1 %s -fopenacc -verify
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struct S{};
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struct Converts{
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operator int();
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};
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template<typename T, unsigned Zero, unsigned Two, unsigned Four>
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void ParallelOrOrphanTempl() {
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T i;
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// expected-error@+1{{'num' argument on 'gang' clause is not permitted on an orphaned 'loop' construct}}
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#pragma acc loop gang(i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{'num' argument on 'gang' clause is not permitted on an orphaned 'loop' construct}}
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#pragma acc loop gang(num:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'parallel' compute construct}}
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#pragma acc parallel
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#pragma acc loop gang(i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'parallel' compute construct}}
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#pragma acc parallel
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#pragma acc loop gang(num:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{argument to 'gang' clause dimension must be a constant expression}}
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#pragma acc loop gang(dim:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{argument to 'gang' clause dimension must be a constant expression}}
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#pragma acc parallel
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#pragma acc loop gang(dim:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 0}}
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#pragma acc loop gang(dim:Zero)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 0}}
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#pragma acc parallel
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#pragma acc loop gang(dim:Zero)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 4}}
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#pragma acc loop gang(dim:Four)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 4}}
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#pragma acc parallel
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#pragma acc loop gang(dim:Four)
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for(int i = 0; i < 5; ++i);
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#pragma acc loop gang(static:i) gang(dim:Two)
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for(int i = 0; i < 5; ++i);
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#pragma acc parallel
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#pragma acc loop gang(dim:Two) gang(static:*)
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for(int i = 0; i < 5; ++i);
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#pragma acc parallel
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#pragma acc loop gang(dim:Two, static:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+4{{OpenACC 'gang' clause may have at most one 'static' argument}}
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// expected-note@+3{{previous expression is here}}
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// expected-error@+2{{OpenACC 'gang' clause may have at most one 'dim' argument}}
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// expected-note@+1{{previous expression is here}}
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#pragma acc loop gang(static:i, static:i, dim:Two, dim:1)
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for(int i = 0; i < 5; ++i);
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}
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void ParallelOrOrphan() {
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ParallelOrOrphanTempl<int, 0, 2, 4>(); // expected-note{{in instantiation of function template}}
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int i;
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// expected-error@+1{{'num' argument on 'gang' clause is not permitted on an orphaned 'loop' construct}}
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#pragma acc loop gang(i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{'num' argument on 'gang' clause is not permitted on an orphaned 'loop' construct}}
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#pragma acc loop gang(num:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'parallel' compute construct}}
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#pragma acc parallel
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#pragma acc loop gang(i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'parallel' compute construct}}
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#pragma acc parallel
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#pragma acc loop gang(num:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{argument to 'gang' clause dimension must be a constant expression}}
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#pragma acc loop gang(dim:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{argument to 'gang' clause dimension must be a constant expression}}
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#pragma acc parallel
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#pragma acc loop gang(dim:i)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 0}}
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#pragma acc loop gang(dim:0)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 0}}
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#pragma acc parallel
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#pragma acc loop gang(dim:0)
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for(int i = 0; i < 5; ++i);
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// expected-error@+1{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 4}}
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#pragma acc loop gang(dim:4)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{argument to 'gang' clause dimension must be 1, 2, or 3: evaluated to 4}}
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#pragma acc parallel
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#pragma acc loop gang(dim:4)
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for(int i = 0; i < 5; ++i);
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#pragma acc loop gang(static:i) gang(dim:2)
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for(int i = 0; i < 5; ++i);
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:i)
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for(int i = 0; i < 5; ++i);
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S s;
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// expected-error@+2{{OpenACC clause 'gang' requires expression of integer type ('S' invalid)}}
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:s)
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for(int i = 0; i < 5; ++i);
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Converts C;
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:C)
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for(int i = 0; i < 5; ++i);
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}
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template<typename SomeS, typename SomeC, typename Int>
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void StaticIsIntegralTempl() {
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SomeS s;
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// expected-error@+2{{OpenACC clause 'gang' requires expression of integer type ('S' invalid)}}
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:s)
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for(int i = 0; i < 5; ++i);
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SomeC C;
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:C)
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for(int i = 0; i < 5; ++i);
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Int i;
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:i)
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for(int i = 0; i < 5; ++i);
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:*)
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for(int i = 0; i < 5; ++i);
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}
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void StaticIsIntegral() {
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StaticIsIntegralTempl<S, Converts, int>();// expected-note{{in instantiation of function template}}
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S s;
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// expected-error@+2{{OpenACC clause 'gang' requires expression of integer type ('S' invalid)}}
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:s)
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for(int i = 0; i < 5; ++i);
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Converts C;
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#pragma acc parallel
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#pragma acc loop gang(dim:2) gang(static:C)
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for(int i = 0; i < 5; ++i);
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}
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template<unsigned I>
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void SerialTempl() {
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
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#pragma acc serial
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#pragma acc loop gang(I)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
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#pragma acc serial
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#pragma acc loop gang(num:I)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'dim' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
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#pragma acc serial
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#pragma acc loop gang(dim:I)
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for(int i = 0; i < 5; ++i);
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#pragma acc serial
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#pragma acc loop gang(static:I)
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for(int i = 0; i < 5; ++i);
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}
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void Serial() {
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SerialTempl<2>();
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
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#pragma acc serial
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#pragma acc loop gang(1)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'num' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
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#pragma acc serial
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#pragma acc loop gang(num:1)
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for(int i = 0; i < 5; ++i);
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// expected-error@+2{{'dim' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'serial' compute construct}}
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#pragma acc serial
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#pragma acc loop gang(dim:1)
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for(int i = 0; i < 5; ++i);
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#pragma acc serial
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#pragma acc loop gang(static:1)
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for(int i = 0; i < 5; ++i);
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int i;
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#pragma acc serial
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#pragma acc loop gang(static:i)
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for(int i = 0; i < 5; ++i);
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}
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template<typename T>
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void KernelsTempl() {
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T t;
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// expected-error@+2{{'dim' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'kernels' compute construct}}
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#pragma acc kernels
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#pragma acc loop gang(dim:t)
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for(int i = 0; i < 5; ++i);
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#pragma acc kernels
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#pragma acc loop gang(static:t)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{'num' argument to 'gang' clause not allowed on a 'loop' construct associated with a 'kernels' construct that has a 'num_gangs' clause}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc kernels num_gangs(t)
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#pragma acc loop gang(t)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{'num' argument to 'gang' clause not allowed on a 'loop' construct associated with a 'kernels' construct that has a 'num_gangs' clause}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc kernels num_gangs(t)
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#pragma acc loop gang(num:t)
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for(int i = 0; i < 5; ++i);
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}
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void Kernels() {
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KernelsTempl<unsigned>();
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// expected-error@+2{{'dim' argument on 'gang' clause is not permitted on a 'loop' construct associated with a 'kernels' compute construct}}
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#pragma acc kernels
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#pragma acc loop gang(dim:1)
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for(int i = 0; i < 5; ++i);
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unsigned t;
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#pragma acc kernels
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#pragma acc loop gang(static:t)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{'num' argument to 'gang' clause not allowed on a 'loop' construct associated with a 'kernels' construct that has a 'num_gangs' clause}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc kernels num_gangs(1)
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#pragma acc loop gang(1)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{'num' argument to 'gang' clause not allowed on a 'loop' construct associated with a 'kernels' construct that has a 'num_gangs' clause}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc kernels num_gangs(1)
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#pragma acc loop gang(num:1)
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for(int i = 0; i < 5; ++i);
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#pragma acc kernels
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#pragma acc loop gang(num:1)
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for(int j = 0; j < 5; ++j) {
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// expected-error@+2{{loop with a 'gang' clause may not exist in the region of a 'gang' clause on a 'kernels' construct}}
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// expected-note@-3{{previous clause is here}}
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#pragma acc loop gang(static:1)
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for(int i = 0; i < 5; ++i);
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}
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#pragma acc kernels
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#pragma acc loop gang(num:1)
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for(int j = 0; j < 5; ++j) {
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#pragma acc loop worker(1) vector(1)
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for(int i = 0; i < 5; ++i);
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}
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#pragma acc kernels
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#pragma acc loop gang(num:1)
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for(int j = 0; j < 5; ++j) {
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// allowed, intervening compute construct
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#pragma acc serial
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#pragma acc loop gang(static:1)
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for(int i = 0; i < 5; ++i);
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}
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#pragma acc kernels
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#pragma acc loop gang(num:1)
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for(int i = 0; i < 5; ++i);
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// OK, on a different 'loop', not in the assoc statement.
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#pragma acc loop gang(static:1)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{OpenACC 'gang' clause may have at most one unnamed or 'num' argument}}
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// expected-note@+2{{previous expression is here}}
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#pragma acc kernels
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#pragma acc loop gang(5, num:1)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{OpenACC 'gang' clause may have at most one unnamed or 'num' argument}}
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// expected-note@+2{{previous expression is here}}
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#pragma acc kernels
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#pragma acc loop gang(num:5, 1)
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for(int i = 0; i < 5; ++i);
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// expected-error@+3{{OpenACC 'gang' clause may have at most one unnamed or 'num' argument}}
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// expected-note@+2{{previous expression is here}}
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#pragma acc kernels
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#pragma acc loop gang(num:5, num:1)
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for(int i = 0; i < 5; ++i);
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}
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void MaxOneEntry() {
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// expected-error@+3{{OpenACC 'gang' clause may have at most one 'static' argument}}
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// expected-note@+2{{previous expression is here}}
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#pragma acc kernels
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#pragma acc loop gang(static: 1, static:1)
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for(int i = 0; i < 5; ++i);
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#pragma acc kernels
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#pragma acc loop gang gang(static:1)
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for(int i = 0; i < 5; ++i);
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}
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