[OpenMP] Parsing and sema support for the from clause
Summary:
The patch contains the parsing and sema support for the `from` clause.
Patch based on the original post by Kelvin Li.
Reviewers: hfinkel, carlo.bertolli, kkwli0, arpith-jacob, ABataev
Subscribers: caomhin, cfe-commits
Differential Revision: http://reviews.llvm.org/D18488
llvm-svn: 270882
diff --git a/clang/test/OpenMP/target_update_from_messages.cpp b/clang/test/OpenMP/target_update_from_messages.cpp
new file mode 100644
index 0000000..6aff083
--- /dev/null
+++ b/clang/test/OpenMP/target_update_from_messages.cpp
@@ -0,0 +1,176 @@
+// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 100 %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+struct S1; // expected-note 2 {{declared here}}
+extern S1 a;
+class S2 {
+ mutable int a;
+public:
+ S2():a(0) { }
+ S2(S2 &s2):a(s2.a) { }
+ static float S2s; // expected-note 4 {{mappable type cannot contain static members}}
+ static const float S2sc; // expected-note 4 {{mappable type cannot contain static members}}
+};
+const float S2::S2sc = 0;
+const S2 b;
+const S2 ba[5];
+class S3 {
+ int a;
+public:
+ S3():a(0) { }
+ S3(S3 &s3):a(s3.a) { }
+};
+const S3 c;
+const S3 ca[5];
+extern const int f;
+class S4 {
+ int a;
+ S4();
+ S4(const S4 &s4);
+public:
+ S4(int v):a(v) { }
+};
+class S5 {
+ int a;
+ S5():a(0) {}
+ S5(const S5 &s5):a(s5.a) { }
+public:
+ S5(int v):a(v) { }
+};
+struct S6 {
+ int ii;
+ int aa[30];
+ float xx;
+ double *pp;
+};
+struct S7 {
+ int i;
+ int a[50];
+ float x;
+ S6 s6[5];
+ double *p;
+ unsigned bfa : 4;
+};
+
+S3 h;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+typedef int to;
+
+template <typename T, int I> // expected-note {{declared here}}
+T tmain(T argc) {
+ const T d = 5;
+ const T da[5] = { 0 };
+ S4 e(4);
+ S5 g(5);
+ T i, t[20];
+ T &j = i;
+ T *k = &j;
+ T x;
+ T y;
+ T from;
+ const T (&l)[5] = da;
+ T *m;
+ S7 s7;
+
+#pragma omp target update from // expected-error {{expected '(' after 'from'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from() // expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update() // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(alloc) // expected-error {{use of undeclared identifier 'alloc'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(x)
+#pragma omp target update from(t[:I])
+#pragma omp target update from(T) // expected-error {{'T' does not refer to a value}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(I) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
+#pragma omp target update from(S2::S2s)
+#pragma omp target update from(S2::S2sc)
+#pragma omp target update from(from)
+#pragma omp target update from(y x) // expected-error {{expected ',' or ')' in 'from' clause}}
+#pragma omp target update from(argc > 0 ? x : y) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
+#pragma omp target update from(S1) // expected-error {{'S1' does not refer to a value}}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error 2 {{type 'S2' is not mappable to target}}
+#pragma omp target update from(ba) // expected-error 2 {{type 'S2' is not mappable to target}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(h) // expected-error {{threadprivate variables are not allowed in 'from' clause}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(k), to(k) // expected-error 2 {{variable can appear only once in OpenMP 'target update' construct}} expected-note 2 {{used here}}
+#pragma omp target update from(t), from(t[:5]) // expected-error 2 {{variable can appear only once in OpenMP 'target update' construct}} expected-note 2 {{used here}}
+#pragma omp target update from(da)
+#pragma omp target update from(da[:4])
+
+#pragma omp target update from(x, a[:2]) // expected-error {{subscripted value is not an array or pointer}}
+#pragma omp target update from(x, c[:]) // expected-error {{subscripted value is not an array or pointer}}
+#pragma omp target update from(x, (m+1)[2]) // expected-error 2 {{expected expression containing only member accesses and/or array sections based on named variables}}
+#pragma omp target update from(s7.i, s7.a[:3])
+#pragma omp target update from(s7.s6[1].aa[0:5])
+#pragma omp target update from(x, s7.s6[:5].aa[6]) // expected-error {{OpenMP array section is not allowed here}}
+#pragma omp target update from(x, s7.s6[:5].aa[:6]) // expected-error {{OpenMP array section is not allowed here}}
+#pragma omp target update from(s7.p[:10])
+#pragma omp target update from(x, s7.bfa) // expected-error {{bit fields cannot be used to specify storage in a 'from' clause}}
+#pragma omp target update from(x, s7.p[:]) // expected-error {{section length is unspecified and cannot be inferred because subscripted value is not an array}}
+#pragma omp target data map(to: s7.i)
+ {
+#pragma omp target update from(s7.x)
+ }
+
+ return 0;
+}
+
+int main(int argc, char **argv) {
+ const int d = 5;
+ const int da[5] = { 0 };
+ S4 e(4);
+ S5 g(5);
+ int i, t[20];
+ int &j = i;
+ int *k = &j;
+ int x;
+ int y;
+ int from;
+ const int (&l)[5] = da;
+ int *m;
+ S7 s7;
+
+#pragma omp target update from // expected-error {{expected '(' after 'from'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from( // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from() // expected-error {{expected expression}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update() // expected-warning {{extra tokens at the end of '#pragma omp target update' are ignored}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(alloc) // expected-error {{use of undeclared identifier 'alloc'}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(x)
+#pragma omp target update from(t[:i])
+#pragma omp target update from(S2::S2s)
+#pragma omp target update from(S2::S2sc)
+#pragma omp target update from(from)
+#pragma omp target update from(y x) // expected-error {{expected ',' or ')' in 'from' clause}}
+#pragma omp target update from(argc > 0 ? x : y) // expected-error {{expected expression containing only member accesses and/or array sections based on named variables}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(S1) // expected-error {{'S1' does not refer to a value}}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(a, b, c, d, f) // expected-error {{incomplete type 'S1' where a complete type is required}} expected-error 2 {{type 'S2' is not mappable to target}}
+#pragma omp target update from(ba) // expected-error 2 {{type 'S2' is not mappable to target}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(h) // expected-error {{threadprivate variables are not allowed in 'from' clause}} expected-error {{expected at least one 'to' clause or 'from' clause specified to '#pragma omp target update'}}
+#pragma omp target update from(k), to(k) // expected-error {{variable can appear only once in OpenMP 'target update' construct}} expected-note {{used here}}
+#pragma omp target update from(t), from(t[:5]) // expected-error {{variable can appear only once in OpenMP 'target update' construct}} expected-note {{used here}}
+#pragma omp target update from(da)
+#pragma omp target update from(da[:4])
+
+#pragma omp target update from(x, a[:2]) // expected-error {{subscripted value is not an array or pointer}}
+#pragma omp target update from(x, c[:]) // expected-error {{subscripted value is not an array or pointer}}
+#pragma omp target update from(x, (m+1)[2]) // expected-error {{expected expression containing only member accesses and/or array sections based on named variables}}
+#pragma omp target update from(s7.i, s7.a[:3])
+#pragma omp target update from(s7.s6[1].aa[0:5])
+#pragma omp target update from(x, s7.s6[:5].aa[6]) // expected-error {{OpenMP array section is not allowed here}}
+#pragma omp target update from(x, s7.s6[:5].aa[:6]) // expected-error {{OpenMP array section is not allowed here}}
+#pragma omp target update from(s7.p[:10])
+#pragma omp target update from(x, s7.bfa) // expected-error {{bit fields cannot be used to specify storage in a 'from' clause}}
+#pragma omp target update from(x, s7.p[:]) // expected-error {{section length is unspecified and cannot be inferred because subscripted value is not an array}}
+#pragma omp target data map(to: s7.i)
+ {
+#pragma omp target update from(s7.x)
+ }
+
+ return tmain<int, 3>(argc)+tmain<to, 4>(argc); // expected-note {{in instantiation of function template specialization 'tmain<int, 3>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<int, 4>' requested here}}
+}
+