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d47401e376
Researching in prep of doing the implementation for lowering, I found that the source of the valid identifiers list from flang is in the frontend. This patch adds the same list to the frontend, but does it as a sema diagnostic, so we still parse it as an identifier/identifier-like thing, but then diagnose it as invalid later.
72 lines
2.8 KiB
C++
72 lines
2.8 KiB
C++
// RUN: %clang_cc1 %s -fopenacc -verify
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struct NotConvertible{} NC;
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short getS();
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int getI();
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struct AmbiguousConvert{
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operator int(); // #AMBIG_INT
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operator short(); // #AMBIG_SHORT
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operator float();
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} Ambiguous;
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struct ExplicitConvertOnly {
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explicit operator int() const; // #EXPL_CONV
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} Explicit;
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void uses() {
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#pragma acc init
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#pragma acc init if (getI() < getS())
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#pragma acc init device_num(getI())
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#pragma acc init device_type(host) device_num(getI())
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#pragma acc init device_type(nvidia) if (getI() < getS())
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#pragma acc init device_type(multicore) device_num(getI()) if (getI() < getS())
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// expected-error@+1{{value of type 'struct NotConvertible' is not contextually convertible to 'bool'}}
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#pragma acc init if (NC)
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// expected-error@+1{{OpenACC clause 'device_num' requires expression of integer type ('struct NotConvertible' invalid)}}
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#pragma acc init device_num(NC)
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// expected-error@+3{{multiple conversions from expression type 'struct AmbiguousConvert' to an integral type}}
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// expected-note@#AMBIG_INT{{conversion to integral type 'int'}}
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// expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}}
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#pragma acc init device_num(Ambiguous)
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// expected-error@+2{{OpenACC integer expression requires explicit conversion from 'struct ExplicitConvertOnly' to 'int'}}
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// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
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#pragma acc init device_num(Explicit)
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}
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template<typename T>
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void TestInst() {
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T t;
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#pragma acc init
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#pragma acc init if (T::value < T{})
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#pragma acc init device_type(radeon) device_num(getI()) if (getI() < getS())
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#pragma acc init device_type(multicore) device_type(host) device_num(t) if (t < T::value) device_num(getI()) if (getI() < getS())
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// expected-error@+1{{value of type 'const NotConvertible' is not contextually convertible to 'bool'}}
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#pragma acc init if (T::NCValue)
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// expected-error@+1{{OpenACC clause 'device_num' requires expression of integer type ('const NotConvertible' invalid)}}
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#pragma acc init device_num(T::NCValue)
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// expected-error@+3{{multiple conversions from expression type 'const AmbiguousConvert' to an integral type}}
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// expected-note@#AMBIG_INT{{conversion to integral type 'int'}}
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// expected-note@#AMBIG_SHORT{{conversion to integral type 'short'}}
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#pragma acc init device_num(T::ACValue)
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// expected-error@+2{{OpenACC integer expression requires explicit conversion from 'const ExplicitConvertOnly' to 'int'}}
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// expected-note@#EXPL_CONV{{conversion to integral type 'int'}}
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#pragma acc init device_num(T::EXValue)
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}
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struct HasStuff {
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static constexpr AmbiguousConvert ACValue;
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static constexpr ExplicitConvertOnly EXValue;
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static constexpr NotConvertible NCValue;
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static constexpr unsigned value = 5;
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operator char();
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};
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void Inst() {
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TestInst<HasStuff>(); // expected-note {{in instantiation of function template specialization}}
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}
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