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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).
38 lines
987 B
C
38 lines
987 B
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 parallel num_workers(1)
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while(1);
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#pragma acc kernels num_workers(1)
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while(1);
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// expected-error@+1{{OpenACC 'num_workers' clause is not valid on 'serial' directive}}
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#pragma acc serial num_workers(1)
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while(1);
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struct NotConvertible{} NC;
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// expected-error@+1{{OpenACC clause 'num_workers' requires expression of integer type ('struct NotConvertible' invalid)}}
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#pragma acc parallel num_workers(NC)
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while(1);
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#pragma acc kernels num_workers(getS())
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while(1);
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struct Incomplete *SomeIncomplete;
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// expected-error@+1{{OpenACC clause 'num_workers' requires expression of integer type ('struct Incomplete' invalid)}}
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#pragma acc kernels num_workers(*SomeIncomplete)
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while(1);
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enum E{A} SomeE;
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#pragma acc kernels num_workers(SomeE)
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while(1);
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// expected-error@+1{{OpenACC 'num_workers' clause is not valid on 'loop' directive}}
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#pragma acc loop num_workers(1)
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for(;;);
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}
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