38bcd483dd
This patch gives basic parsing and semantic support for "parallel masked taskloop simd" construct introduced in OpenMP 5.1 (section 2.16.10) Differential Revision: https://reviews.llvm.org/D128946
206 lines
9.2 KiB
C++
206 lines
9.2 KiB
C++
// RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp %s -Wuninitialized
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// RUN: %clang_cc1 -x c++ -std=c++11 -verify -fopenmp-simd %s -Wuninitialized
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struct B {
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static int ib[20]; // expected-note 0 {{'B::ib' declared here}}
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static constexpr int bfoo() { return 8; }
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};
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namespace X {
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B x; // expected-note {{'x' defined here}}
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};
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constexpr int bfoo() { return 4; }
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int **z;
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const int C1 = 1;
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const int C2 = 2;
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void test_aligned_colons(int *&rp)
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{
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int *B = 0;
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#pragma omp parallel masked taskloop simd aligned(B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'}}
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#pragma omp parallel masked taskloop simd aligned(B::ib:B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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#pragma omp parallel masked taskloop simd aligned(B:B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{unexpected ':' in nested name specifier; did you mean '::'?}}
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#pragma omp parallel masked taskloop simd aligned(z:B:bfoo())
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for (int i = 0; i < 10; ++i) ;
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#pragma omp parallel masked taskloop simd aligned(B:B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+2 {{integral constant expression must have integral or unscoped enumeration type, not 'int **'}}
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'B'}}
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#pragma omp parallel masked taskloop simd aligned(X::x : ::z)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{integral constant expression must have integral or unscoped enumeration type, not 'B'}}
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#pragma omp parallel masked taskloop simd aligned(B,rp,::z: X::x)
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for (int i = 0; i < 10; ++i) ;
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#pragma omp parallel masked taskloop simd aligned(::z)
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for (int i = 0; i < 10; ++i) ;
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// expected-error@+1 {{expected variable name}}
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#pragma omp parallel masked taskloop simd aligned(B::bfoo())
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for (int i = 0; i < 10; ++i) ;
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// expected-warning@+1 {{aligned clause will be ignored because the requested alignment is not a power of 2}}
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#pragma omp parallel masked taskloop simd aligned(B::ib,B:C1+C2)
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for (int i = 0; i < 10; ++i) ;
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}
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// expected-note@+1 {{'num' defined here}}
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template<int L, class T, class N> T test_template(T* arr, N num) {
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N i;
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T sum = (T)0;
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T ind2 = - num * L;
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// Negative number is passed as L.
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// expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
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#pragma omp parallel masked taskloop simd aligned(arr:L)
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for (i = 0; i < num; ++i) {
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T cur = arr[(int)ind2];
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ind2 += L;
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sum += cur;
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}
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
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#pragma omp parallel masked taskloop simd aligned(num:4)
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for (i = 0; i < num; ++i);
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return T();
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}
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template<int LEN> int test_warn() {
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int *ind2 = 0;
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// expected-error@+1 {{argument to 'aligned' clause must be a strictly positive integer value}}
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#pragma omp parallel masked taskloop simd aligned(ind2:LEN)
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for (int i = 0; i < 100; i++) {
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ind2 += LEN;
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}
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return 0;
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}
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struct S1; // expected-note 2 {{declared here}}
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extern S1 a; // expected-note {{'a' declared here}}
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class S2 {
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mutable int a;
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public:
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S2():a(0) { }
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};
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const S2 b; // expected-note 1 {{'b' defined here}}
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const S2 ba[5];
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class S3 {
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int a;
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public:
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S3():a(0) { }
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};
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const S3 ca[5];
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class S4 {
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int a;
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S4();
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public:
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S4(int v):a(v) { }
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};
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class S5 {
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int a;
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S5():a(0) {}
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public:
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S5(int v):a(v) { }
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};
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S3 h; // expected-note 2 {{'h' defined here}}
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#pragma omp threadprivate(h)
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template<class I, class C> int foomain(I argc, C **argv) {
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I e(argc);
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I g(argc);
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int i; // expected-note {{'i' defined here}}
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// expected-note@+1 {{declared here}}
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int &j = i;
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#pragma omp parallel masked taskloop simd aligned // expected-error {{expected '(' after 'aligned'}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned () // expected-error {{expected expression}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argc // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (I k = 0; k < argc; ++k) ++k;
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// FIXME: Should argc really be a pointer?
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#pragma omp parallel masked taskloop simd aligned (*argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argc : 5) // expected-warning {{aligned clause will be ignored because the requested alignment is not a power of 2}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argv[1]) // expected-error {{expected variable name}}
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned(e, g)
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for (I k = 0; k < argc; ++k) ++k;
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
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#pragma omp parallel masked taskloop simd aligned(h)
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for (I k = 0; k < argc; ++k) ++k;
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
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#pragma omp parallel masked taskloop simd aligned(i)
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for (I k = 0; k < argc; ++k) ++k;
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#pragma omp parallel
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{
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int *v = 0;
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I i;
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#pragma omp parallel masked taskloop simd aligned(v:16)
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for (I k = 0; k < argc; ++k) { i = k; v += 2; }
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}
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float *f;
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#pragma omp parallel masked taskloop simd aligned(f)
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for (I k = 0; k < argc; ++k) ++k;
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int v = 0;
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// expected-note@+2 {{initializer of 'j' is not a constant expression}}
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// expected-error@+1 {{integral constant expression}}
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#pragma omp parallel masked taskloop simd aligned(f:j)
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for (I k = 0; k < argc; ++k) { ++k; v += j; }
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#pragma omp parallel masked taskloop simd aligned(f)
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for (I k = 0; k < argc; ++k) ++k;
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return 0;
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}
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// expected-note@+1 2 {{'argc' defined here}}
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int main(int argc, char **argv) {
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double darr[100];
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// expected-note@+1 {{in instantiation of function template specialization 'test_template<-4, double, int>' requested here}}
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test_template<-4>(darr, 4);
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test_warn<4>(); // ok
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// expected-note@+1 {{in instantiation of function template specialization 'test_warn<0>' requested here}}
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test_warn<0>();
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int i;
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int &j = i;
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#pragma omp parallel masked taskloop simd aligned // expected-error {{expected '(' after 'aligned'}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned ( // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned () // expected-error {{expected expression}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argv // expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
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#pragma omp parallel masked taskloop simd aligned (argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'int'}}
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#pragma omp parallel masked taskloop simd aligned (argc)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (S1) // expected-error {{'S1' does not refer to a value}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+2 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S1'}}
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S2'}}
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#pragma omp parallel masked taskloop simd aligned(a, b)
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for (int k = 0; k < argc; ++k) ++k;
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#pragma omp parallel masked taskloop simd aligned (argv[1]) // expected-error {{expected variable name}}
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for (int k = 0; k < argc; ++k) ++k;
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// expected-error@+1 {{argument of aligned clause should be array, pointer, reference to array or reference to pointer, not 'S3'}}
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#pragma omp parallel masked taskloop simd aligned(h)
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for (int k = 0; k < argc; ++k) ++k;
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int *pargc = &argc;
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// expected-note@+1 {{in instantiation of function template specialization 'foomain<int *, char>' requested here}}
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foomain<int*,char>(pargc,argv);
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return 0;
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}
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