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eb257fe37b
'num_gangs', 'num_workers', and 'vector_length' are similar to eachother, and are all the same implementation as for compute constructs, so this patch just enables them and adds the necessary testing to ensure they work correctly. These will get more complicated when they get combined with 'gang', 'worker', 'vector' and 'reduction', but those restrictions will be implemented when those clauses are enabled.
46 lines
1.7 KiB
C
46 lines
1.7 KiB
C
// RUN: %clang_cc1 %s -fopenacc -verify
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short getS();
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float getF();
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void Test() {
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#pragma acc kernels loop num_gangs(1)
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for(int i = 5; i < 10;++i);
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// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial loop' directive}}
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#pragma acc serial loop num_gangs(1)
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for(int i = 5; i < 10;++i);
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#pragma acc parallel loop num_gangs(1)
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for(int i = 5; i < 10;++i);
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// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type}}
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#pragma acc parallel loop num_gangs(getF())
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for(int i = 5; i < 10;++i);
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// expected-error@+1{{expected expression}}
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#pragma acc kernels loop num_gangs()
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for(int i = 5; i < 10;++i);
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// expected-error@+1{{expected expression}}
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#pragma acc parallel loop num_gangs()
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for(int i = 5; i < 10;++i);
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// expected-error@+2{{OpenACC 'num_gangs' clause cannot appear more than once on a 'kernels loop' directive}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc kernels loop num_gangs(1) num_gangs(2)
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for(int i = 5; i < 10;++i);
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// expected-error@+2{{OpenACC 'num_gangs' clause cannot appear more than once on a 'parallel loop' directive}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc parallel loop num_gangs(1) num_gangs(2)
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for(int i = 5; i < 10;++i);
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// expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'kernels loop' directive expects maximum of 1, 2 were provided}}
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#pragma acc kernels loop num_gangs(1, getS())
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for(int i = 5; i < 10;++i);
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// expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'parallel loop' directive expects maximum of 3, 4 were provided}}
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#pragma acc parallel loop num_gangs(getS(), 1, getS(), 1)
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for(int i = 5; i < 10;++i);
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}
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