42f4e505a3
This patch implements the 'loop' construct AST, as well as the basic appertainment rule. Additionally, it sets up the 'parent' compute construct, which is necessary for codegen/other diagnostics. A 'loop' can apply to a for or range-for loop, otherwise it has no other restrictions (though some of its clauses do).
59 lines
2.1 KiB
C
59 lines
2.1 KiB
C
// RUN: %clang_cc1 %s -fopenacc -verify
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short getS();
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void Test() {
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#pragma acc kernels num_gangs(1)
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while(1);
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// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
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#pragma acc serial num_gangs(1)
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while(1);
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#pragma acc parallel num_gangs(1)
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while(1);
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// expected-error@+2{{OpenACC 'num_gangs' clause cannot appear more than once on a 'kernels' directive}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc kernels num_gangs(1) num_gangs(2)
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while(1);
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// expected-error@+2{{OpenACC 'num_gangs' clause cannot appear more than once on a 'parallel' directive}}
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// expected-note@+1{{previous clause is here}}
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#pragma acc parallel num_gangs(1) num_gangs(2)
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while(1);
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// expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'kernels' directive expects maximum of 1, 2 were provided}}
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#pragma acc kernels num_gangs(1, getS())
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while(1);
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// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'serial' directive}}
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#pragma acc serial num_gangs(1, getS())
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while(1);
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#pragma acc parallel num_gangs(1, getS())
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while(1);
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struct NotConvertible{} NC;
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// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
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#pragma acc parallel num_gangs(NC)
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while(1);
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// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
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#pragma acc parallel num_gangs(1, NC)
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while(1);
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// expected-error@+1{{OpenACC clause 'num_gangs' requires expression of integer type ('struct NotConvertible' invalid)}}
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#pragma acc parallel num_gangs(NC, 1)
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while(1);
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#pragma acc parallel num_gangs(getS(), 1, getS())
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while(1);
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// expected-error@+1{{too many integer expression arguments provided to OpenACC 'num_gangs' clause: 'parallel' directive expects maximum of 3, 4 were provided}}
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#pragma acc parallel num_gangs(getS(), 1, getS(), 1)
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while(1);
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// expected-error@+1{{OpenACC 'num_gangs' clause is not valid on 'loop' directive}}
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#pragma acc loop num_gangs(1)
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for(;;);
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}
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