[OpenMP] Sema and parsing for 'target simd' pragma
This patch is to implement sema and parsing for 'target simd' pragma.
Differential Revision: https://reviews.llvm.org/D22479
llvm-svn: 276203
diff --git a/clang/test/OpenMP/target_simd_loop_messages.cpp b/clang/test/OpenMP/target_simd_loop_messages.cpp
new file mode 100644
index 0000000..67201fb
--- /dev/null
+++ b/clang/test/OpenMP/target_simd_loop_messages.cpp
@@ -0,0 +1,629 @@
+// RUN: %clang_cc1 -fsyntax-only -fopenmp -x c++ -std=c++11 -fexceptions -fcxx-exceptions -verify %s
+
+class S {
+ int a;
+ S() : a(0) {}
+
+public:
+ S(int v) : a(v) {}
+ S(const S &s) : a(s.a) {}
+};
+
+static int sii;
+// expected-note@+1 {{defined as threadprivate or thread local}}
+#pragma omp threadprivate(sii)
+static int globalii;
+
+int test_iteration_spaces() {
+ const int N = 100;
+ float a[N], b[N], c[N];
+ int ii, jj, kk;
+ float fii;
+ double dii;
+#pragma omp target simd
+ for (int i = 0; i < 10; i += 1) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp target simd
+ for (char i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp target simd
+ for (char i = 0; i < 10; i += '\1') {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp target simd
+ for (long long i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ }
+// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'double'}}
+#pragma omp target simd
+ for (long long i = 0; i < 10; i += 1.5) {
+ c[i] = a[i] + b[i];
+ }
+#pragma omp target simd
+ for (long long i = 0; i < 'z'; i += 1u) {
+ c[i] = a[i] + b[i];
+ }
+// expected-error@+2 {{variable must be of integer or random access iterator type}}
+#pragma omp target simd
+ for (float fi = 0; fi < 10.0; fi++) {
+ c[(int)fi] = a[(int)fi] + b[(int)fi];
+ }
+// expected-error@+2 {{variable must be of integer or random access iterator type}}
+#pragma omp target simd
+ for (double fi = 0; fi < 10.0; fi++) {
+ c[(int)fi] = a[(int)fi] + b[(int)fi];
+ }
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (int &ref = ii; ref < 10; ref++) {
+ }
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (int i; i < 10; i++)
+ c[i] = a[i];
+
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (int i = 0, j = 0; i < 10; ++i)
+ c[i] = a[i];
+
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+// expected-warning@+3 {{expression result unused}}
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (ii + 1; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (c[ii] = 0; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+// Ok to skip parenthesises.
+#pragma omp target simd
+ for (((ii)) = 0; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp target simd
+ for (int i = 0; i; i++)
+ c[i] = a[i];
+
+// expected-error@+3 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'i'}}
+#pragma omp target simd
+ for (int i = 0; jj < kk; ii++)
+ c[i] = a[i];
+
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp target simd
+ for (int i = 0; !!i; i++)
+ c[i] = a[i];
+
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp target simd
+ for (int i = 0; i != 1; i++)
+ c[i] = a[i];
+
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'i'}}
+#pragma omp target simd
+ for (int i = 0;; i++)
+ c[i] = a[i];
+
+// Ok.
+#pragma omp target simd
+ for (int i = 11; i > 10; i--)
+ c[i] = a[i];
+
+// Ok.
+#pragma omp target simd
+ for (int i = 0; i < 10; ++i)
+ c[i] = a[i];
+
+// Ok.
+#pragma omp target simd
+ for (ii = 0; ii < 10; ++ii)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ++jj)
+ c[ii] = a[jj];
+
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ++++ii)
+ c[ii] = a[ii];
+
+// Ok but undefined behavior (in general, cannot check that incr
+// is really loop-invariant).
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii = ii + ii)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{expression must have integral or unscoped enumeration type, not 'float'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii = ii + 1.0f)
+ c[ii] = a[ii];
+
+// Ok - step was converted to integer type.
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii = ii + (int)1.1f)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; jj = ii + 2)
+ c[ii] = a[ii];
+
+// expected-warning@+3 {{relational comparison result unused}}
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii<10; jj> kk + 2)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10;)
+ c[ii] = a[ii];
+
+// expected-warning@+3 {{expression result unused}}
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; !ii)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii ? ++ii : ++jj)
+ c[ii] = a[ii];
+
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'ii'}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii = ii < 10)
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii = ii + 0)
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; ii = ii + (int)(0.8 - 0.45))
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; (ii) < 10; ii -= 25)
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; (ii < 10); ii -= 0)
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; ii > 10; (ii += 0))
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; ii < 10; (ii) = (1 - 1) + (ii))
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for ((ii = 0); ii > 10; (ii -= 0))
+ c[ii] = a[ii];
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'ii' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (ii = 0; (ii < 10); (ii -= 0))
+ c[ii] = a[ii];
+
+// expected-note@+2 {{defined as firstprivate}}
+// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target simd' directive may not be firstprivate, predetermined as linear}}
+#pragma omp target simd firstprivate(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+#pragma omp target simd linear(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+// expected-note@+2 {{defined as private}}
+// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target simd' directive may not be private, predetermined as linear}}
+#pragma omp target simd private(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+// expected-note@+2 {{defined as lastprivate}}
+// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target simd' directive may not be lastprivate, predetermined as linear}}
+#pragma omp target simd lastprivate(ii)
+ for (ii = 0; ii < 10; ii++)
+ c[ii] = a[ii];
+
+ {
+// expected-error@+2 {{loop iteration variable in the associated loop of 'omp target simd' directive may not be threadprivate or thread local, predetermined as linear}}
+#pragma omp target simd
+ for (sii = 0; sii < 10; sii += 1)
+ c[sii] = a[sii];
+ }
+
+ {
+#pragma omp target simd
+ for (globalii = 0; globalii < 10; globalii += 1)
+ c[globalii] = a[globalii];
+ }
+
+ {
+#pragma omp target simd collapse(2)
+ for (ii = 0; ii < 10; ii += 1)
+ for (globalii = 0; globalii < 10; globalii += 1)
+ c[globalii] += a[globalii] + ii;
+ }
+
+// expected-error@+2 {{statement after '#pragma omp target simd' must be a for loop}}
+#pragma omp target simd
+ for (auto &item : a) {
+ item = item + 1;
+ }
+
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'i' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (unsigned i = 9; i < 10; i--) {
+ c[i] = a[i] + b[i];
+ }
+
+ int(*lb)[4] = nullptr;
+#pragma omp target simd
+ for (int(*p)[4] = lb; p < lb + 8; ++p) {
+ }
+
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (int a{0}; a < 10; ++a) {
+ }
+
+ return 0;
+}
+
+// Iterators allowed in openmp for-loops.
+namespace std {
+struct random_access_iterator_tag {};
+template <class Iter>
+struct iterator_traits {
+ typedef typename Iter::difference_type difference_type;
+ typedef typename Iter::iterator_category iterator_category;
+};
+template <class Iter>
+typename iterator_traits<Iter>::difference_type
+distance(Iter first, Iter last) { return first - last; }
+}
+class Iter0 {
+public:
+ Iter0() {}
+ Iter0(const Iter0 &) {}
+ Iter0 operator++() { return *this; }
+ Iter0 operator--() { return *this; }
+ bool operator<(Iter0 a) { return true; }
+};
+// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'Iter0' for 1st argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'Iter0' for 1st argument}}
+int operator-(Iter0 a, Iter0 b) { return 0; }
+class Iter1 {
+public:
+ Iter1(float f = 0.0f, double d = 0.0) {}
+ Iter1(const Iter1 &) {}
+ Iter1 operator++() { return *this; }
+ Iter1 operator--() { return *this; }
+ bool operator<(Iter1 a) { return true; }
+ bool operator>=(Iter1 a) { return false; }
+};
+class GoodIter {
+public:
+ GoodIter() {}
+ GoodIter(const GoodIter &) {}
+ GoodIter(int fst, int snd) {}
+ GoodIter &operator=(const GoodIter &that) { return *this; }
+ GoodIter &operator=(const Iter0 &that) { return *this; }
+ GoodIter &operator+=(int x) { return *this; }
+ GoodIter &operator-=(int x) { return *this; }
+ explicit GoodIter(void *) {}
+ GoodIter operator++() { return *this; }
+ GoodIter operator--() { return *this; }
+ bool operator!() { return true; }
+ bool operator<(GoodIter a) { return true; }
+ bool operator<=(GoodIter a) { return true; }
+ bool operator>=(GoodIter a) { return false; }
+ typedef int difference_type;
+ typedef std::random_access_iterator_tag iterator_category;
+};
+// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'GoodIter' for 2nd argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
+int operator-(GoodIter a, GoodIter b) { return 0; }
+// expected-note@+1 3 {{candidate function not viable: requires single argument 'a', but 2 arguments were provided}}
+GoodIter operator-(GoodIter a) { return a; }
+// expected-note@+2 {{candidate function not viable: no known conversion from 'const Iter0' to 'int' for 2nd argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'GoodIter' for 1st argument}}
+GoodIter operator-(GoodIter a, int v) { return GoodIter(); }
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'GoodIter' for 1st argument}}
+GoodIter operator+(GoodIter a, int v) { return GoodIter(); }
+// expected-note@+2 {{candidate function not viable: no known conversion from 'GoodIter' to 'int' for 1st argument}}
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter1' to 'int' for 1st argument}}
+GoodIter operator-(int v, GoodIter a) { return GoodIter(); }
+// expected-note@+1 2 {{candidate function not viable: no known conversion from 'Iter0' to 'int' for 1st argument}}
+GoodIter operator+(int v, GoodIter a) { return GoodIter(); }
+
+int test_with_random_access_iterator() {
+ GoodIter begin, end;
+ Iter0 begin0, end0;
+#pragma omp target simd
+ for (GoodIter I = begin; I < end; ++I)
+ ++I;
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (GoodIter &I = begin; I < end; ++I)
+ ++I;
+#pragma omp target simd
+ for (GoodIter I = begin; I >= end; --I)
+ ++I;
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (GoodIter I(begin); I < end; ++I)
+ ++I;
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (GoodIter I(nullptr); I < end; ++I)
+ ++I;
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (GoodIter I(0); I < end; ++I)
+ ++I;
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (GoodIter I(1, 2); I < end; ++I)
+ ++I;
+#pragma omp target simd
+ for (begin = GoodIter(0); begin < end; ++begin)
+ ++begin;
+// expected-error@+3 {{invalid operands to binary expression ('GoodIter' and 'const Iter0')}}
+// expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+#pragma omp target simd
+ for (begin = begin0; begin < end; ++begin)
+ ++begin;
+// expected-error@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (++begin; begin < end; ++begin)
+ ++begin;
+#pragma omp target simd
+ for (begin = end; begin < end; ++begin)
+ ++begin;
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+#pragma omp target simd
+ for (GoodIter I = begin; I - I; ++I)
+ ++I;
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+#pragma omp target simd
+ for (GoodIter I = begin; begin < end; ++I)
+ ++I;
+// expected-error@+2 {{condition of OpenMP for loop must be a relational comparison ('<', '<=', '>', or '>=') of loop variable 'I'}}
+#pragma omp target simd
+ for (GoodIter I = begin; !I; ++I)
+ ++I;
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (GoodIter I = begin; I >= end; I = I + 1)
+ ++I;
+#pragma omp target simd
+ for (GoodIter I = begin; I >= end; I = I - 1)
+ ++I;
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
+#pragma omp target simd
+ for (GoodIter I = begin; I >= end; I = -I)
+ ++I;
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (GoodIter I = begin; I >= end; I = 2 + I)
+ ++I;
+// expected-error@+2 {{increment clause of OpenMP for loop must perform simple addition or subtraction on loop variable 'I'}}
+#pragma omp target simd
+ for (GoodIter I = begin; I >= end; I = 2 - I)
+ ++I;
+// expected-error@+2 {{invalid operands to binary expression ('Iter0' and 'int')}}
+#pragma omp target simd
+ for (Iter0 I = begin0; I < end0; ++I)
+ ++I;
+// Initializer is constructor without params.
+// expected-error@+3 {{invalid operands to binary expression ('Iter0' and 'int')}}
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (Iter0 I; I < end0; ++I)
+ ++I;
+ Iter1 begin1, end1;
+// expected-error@+3 {{invalid operands to binary expression ('Iter1' and 'Iter1')}}
+// expected-error@+2 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+#pragma omp target simd
+ for (Iter1 I = begin1; I < end1; ++I)
+ ++I;
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (Iter1 I = begin1; I >= end1; ++I)
+ ++I;
+// expected-error@+5 {{invalid operands to binary expression ('Iter1' and 'float')}}
+// expected-error@+4 {{could not calculate number of iterations calling 'operator-' with upper and lower loop bounds}}
+// Initializer is constructor with all default params.
+// expected-warning@+2 {{initialization clause of OpenMP for loop is not in canonical form ('var = init' or 'T var = init')}}
+#pragma omp target simd
+ for (Iter1 I; I < end1; ++I) {
+ }
+ return 0;
+}
+
+template <typename IT, int ST>
+class TC {
+public:
+ int dotest_lt(IT begin, IT end) {
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (IT I = begin; I < end; I = I + ST) {
+ ++I;
+ }
+// expected-note@+3 {{loop step is expected to be positive due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to increase on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (IT I = begin; I <= end; I += ST) {
+ ++I;
+ }
+#pragma omp target simd
+ for (IT I = begin; I < end; ++I) {
+ ++I;
+ }
+ }
+
+ static IT step() {
+ return IT(ST);
+ }
+};
+template <typename IT, int ST = 0>
+int dotest_gt(IT begin, IT end) {
+// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (IT I = begin; I >= end; I = I + ST) {
+ ++I;
+ }
+// expected-note@+3 2 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (IT I = begin; I >= end; I += ST) {
+ ++I;
+ }
+
+// expected-note@+3 {{loop step is expected to be negative due to this condition}}
+// expected-error@+2 {{increment expression must cause 'I' to decrease on each iteration of OpenMP for loop}}
+#pragma omp target simd
+ for (IT I = begin; I >= end; ++I) {
+ ++I;
+ }
+
+#pragma omp target simd
+ for (IT I = begin; I < end; I += TC<int, ST>::step()) {
+ ++I;
+ }
+}
+
+void test_with_template() {
+ GoodIter begin, end;
+ TC<GoodIter, 100> t1;
+ TC<GoodIter, -100> t2;
+ t1.dotest_lt(begin, end);
+ t2.dotest_lt(begin, end); // expected-note {{in instantiation of member function 'TC<GoodIter, -100>::dotest_lt' requested here}}
+ dotest_gt(begin, end); // expected-note {{in instantiation of function template specialization 'dotest_gt<GoodIter, 0>' requested here}}
+ dotest_gt<unsigned, -10>(0, 100); // expected-note {{in instantiation of function template specialization 'dotest_gt<unsigned int, -10>' requested here}}
+}
+
+void test_loop_break() {
+ const int N = 100;
+ float a[N], b[N], c[N];
+#pragma omp target simd
+ for (int i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ for (int j = 0; j < 10; ++j) {
+ if (a[i] > b[j])
+ break; // OK in nested loop
+ }
+ switch (i) {
+ case 1:
+ b[i]++;
+ break;
+ default:
+ break;
+ }
+ if (c[i] > 10)
+ break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
+
+ if (c[i] > 11)
+ break; // expected-error {{'break' statement cannot be used in OpenMP for loop}}
+ }
+
+#pragma omp target simd
+ for (int i = 0; i < 10; i++) {
+ for (int j = 0; j < 10; j++) {
+ c[i] = a[i] + b[i];
+ if (c[i] > 10) {
+ if (c[i] < 20) {
+ break; // OK
+ }
+ }
+ }
+ }
+}
+
+void test_loop_eh() {
+ const int N = 100;
+ float a[N], b[N], c[N];
+#pragma omp target simd
+ for (int i = 0; i < 10; i++) {
+ c[i] = a[i] + b[i];
+ try { // expected-error {{'try' statement cannot be used in OpenMP simd region}}
+ for (int j = 0; j < 10; ++j) {
+ if (a[i] > b[j])
+ throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
+ }
+ throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
+ } catch (float f) {
+ if (f > 0.1)
+ throw a[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
+ return; // expected-error {{cannot return from OpenMP region}}
+ }
+ switch (i) {
+ case 1:
+ b[i]++;
+ break;
+ default:
+ break;
+ }
+ for (int j = 0; j < 10; j++) {
+ if (c[i] > 10)
+ throw c[i]; // expected-error {{'throw' statement cannot be used in OpenMP simd region}}
+ }
+ }
+ if (c[9] > 10)
+ throw c[9]; // OK
+
+#pragma omp target simd
+ for (int i = 0; i < 10; ++i) {
+ struct S {
+ void g() { throw 0; }
+ };
+ }
+}
+
+void test_loop_firstprivate_lastprivate() {
+ S s(4);
+#pragma omp target simd lastprivate(s) firstprivate(s)
+ for (int i = 0; i < 16; ++i)
+ ;
+}