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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).
59 lines
2.3 KiB
C
59 lines
2.3 KiB
C
// RUN: %clang_cc1 %s -fopenacc -verify
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typedef struct IsComplete {
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struct S { int A; } CompositeMember;
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int ScalarMember;
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float ArrayMember[5];
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void *PointerMember;
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} Complete;
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void uses(int IntParam, short *PointerParam, float ArrayParam[5], Complete CompositeParam) {
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int LocalInt;
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short *LocalPointer;
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float LocalArray[5];
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Complete LocalComposite;
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// Check Appertainment:
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#pragma acc parallel no_create(LocalInt)
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while(1);
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#pragma acc serial no_create(LocalInt)
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while(1);
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#pragma acc kernels no_create(LocalInt)
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while(1);
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// Valid cases:
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#pragma acc parallel no_create(LocalInt, LocalPointer, LocalArray)
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while(1);
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#pragma acc parallel no_create(LocalArray[2:1])
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while(1);
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#pragma acc parallel no_create(LocalComposite.ScalarMember, LocalComposite.ScalarMember)
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while(1);
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// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
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#pragma acc parallel no_create(1 + IntParam)
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while(1);
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// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
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#pragma acc parallel no_create(+IntParam)
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while(1);
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// expected-error@+1{{OpenACC sub-array length is unspecified and cannot be inferred because the subscripted value is not an array}}
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#pragma acc parallel no_create(PointerParam[2:])
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while(1);
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// expected-error@+1{{OpenACC sub-array specified range [2:5] would be out of the range of the subscripted array size of 5}}
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#pragma acc parallel no_create(ArrayParam[2:5])
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while(1);
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// expected-error@+2{{OpenACC sub-array specified range [2:5] would be out of the range of the subscripted array size of 5}}
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// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
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#pragma acc parallel no_create((float*)ArrayParam[2:5])
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while(1);
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// expected-error@+1{{OpenACC variable is not a valid variable name, sub-array, array element, member of a composite variable, or composite variable member}}
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#pragma acc parallel no_create((float)ArrayParam[2])
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while(1);
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// expected-error@+1{{OpenACC 'no_create' clause is not valid on 'loop' directive}}
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#pragma acc loop no_create(LocalInt)
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for(;;);
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}
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