r307693 - [OPENMP] Add restriction for reduction clause in taskloop directives.
Alexey Bataev via cfe-commits
cfe-commits at lists.llvm.org
Tue Jul 11 12:16:44 PDT 2017
Author: abataev
Date: Tue Jul 11 12:16:44 2017
New Revision: 307693
URL: http://llvm.org/viewvc/llvm-project?rev=307693&view=rev
Log:
[OPENMP] Add restriction for reduction clause in taskloop directives.
Added checks for the reduction clauses in the taskloop directives:
1. Only addressable items must be used in reduction clauses.
2. Reduction clauses cannot be used with nogroup clauses.
Added:
cfe/trunk/test/OpenMP/taskloop_reduction_messages.cpp
cfe/trunk/test/OpenMP/taskloop_simd_reduction_messages.cpp
Modified:
cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
cfe/trunk/lib/Sema/SemaOpenMP.cpp
cfe/trunk/test/OpenMP/taskloop_ast_print.cpp
cfe/trunk/test/OpenMP/taskloop_simd_ast_print.cpp
Modified: cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td?rev=307693&r1=307692&r2=307693&view=diff
==============================================================================
--- cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td (original)
+++ cfe/trunk/include/clang/Basic/DiagnosticSemaKinds.td Tue Jul 11 12:16:44 2017
@@ -8860,6 +8860,10 @@ def warn_omp_nesting_simd : Warning<
def err_omp_orphaned_device_directive : Error<
"orphaned 'omp %0' directives are prohibited"
"; perhaps you forget to enclose the directive into a %select{|||target |teams }1region?">;
+def err_omp_reduction_non_addressable_expression : Error<
+ "expected addressable reduction item for the task-based directives">;
+def err_omp_reduction_with_nogroup : Error<
+ "'reduction' clause cannot be used with 'nogroup' clause">;
} // end of OpenMP category
let CategoryName = "Related Result Type Issue" in {
Modified: cfe/trunk/lib/Sema/SemaOpenMP.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/lib/Sema/SemaOpenMP.cpp?rev=307693&r1=307692&r2=307693&view=diff
==============================================================================
--- cfe/trunk/lib/Sema/SemaOpenMP.cpp (original)
+++ cfe/trunk/lib/Sema/SemaOpenMP.cpp Tue Jul 11 12:16:44 2017
@@ -6106,6 +6106,33 @@ static bool checkGrainsizeNumTasksClause
return ErrorFound;
}
+static bool checkReductionClauseWithNogroup(Sema &S,
+ ArrayRef<OMPClause *> Clauses) {
+ OMPClause *ReductionClause = nullptr;
+ OMPClause *NogroupClause = nullptr;
+ for (auto *C : Clauses) {
+ if (C->getClauseKind() == OMPC_reduction) {
+ ReductionClause = C;
+ if (NogroupClause)
+ break;
+ continue;
+ }
+ if (C->getClauseKind() == OMPC_nogroup) {
+ NogroupClause = C;
+ if (ReductionClause)
+ break;
+ continue;
+ }
+ }
+ if (ReductionClause && NogroupClause) {
+ S.Diag(ReductionClause->getLocStart(), diag::err_omp_reduction_with_nogroup)
+ << SourceRange(NogroupClause->getLocStart(),
+ NogroupClause->getLocEnd());
+ return true;
+ }
+ return false;
+}
+
StmtResult Sema::ActOnOpenMPTaskLoopDirective(
ArrayRef<OMPClause *> Clauses, Stmt *AStmt, SourceLocation StartLoc,
SourceLocation EndLoc,
@@ -6132,6 +6159,11 @@ StmtResult Sema::ActOnOpenMPTaskLoopDire
// not appear on the same taskloop directive.
if (checkGrainsizeNumTasksClauses(*this, Clauses))
return StmtError();
+ // OpenMP, [2.9.2 taskloop Construct, Restrictions]
+ // If a reduction clause is present on the taskloop directive, the nogroup
+ // clause must not be specified.
+ if (checkReductionClauseWithNogroup(*this, Clauses))
+ return StmtError();
getCurFunction()->setHasBranchProtectedScope();
return OMPTaskLoopDirective::Create(Context, StartLoc, EndLoc,
@@ -6175,6 +6207,11 @@ StmtResult Sema::ActOnOpenMPTaskLoopSimd
// not appear on the same taskloop directive.
if (checkGrainsizeNumTasksClauses(*this, Clauses))
return StmtError();
+ // OpenMP, [2.9.2 taskloop Construct, Restrictions]
+ // If a reduction clause is present on the taskloop directive, the nogroup
+ // clause must not be specified.
+ if (checkReductionClauseWithNogroup(*this, Clauses))
+ return StmtError();
getCurFunction()->setHasBranchProtectedScope();
return OMPTaskLoopSimdDirective::Create(Context, StartLoc, EndLoc,
@@ -9399,6 +9436,12 @@ OMPClause *Sema::ActOnOpenMPReductionCla
SimpleRefExpr, RefRes.get());
if (!PostUpdateRes.isUsable())
continue;
+ if (isOpenMPTaskingDirective(DSAStack->getCurrentDirective())) {
+ Diag(RefExpr->getExprLoc(),
+ diag::err_omp_reduction_non_addressable_expression)
+ << RefExpr->getSourceRange();
+ continue;
+ }
ExprPostUpdates.push_back(
IgnoredValueConversions(PostUpdateRes.get()).get());
}
Modified: cfe/trunk/test/OpenMP/taskloop_ast_print.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/taskloop_ast_print.cpp?rev=307693&r1=307692&r2=307693&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/taskloop_ast_print.cpp (original)
+++ cfe/trunk/test/OpenMP/taskloop_ast_print.cpp Tue Jul 11 12:16:44 2017
@@ -20,7 +20,7 @@ T tmain(T argc) {
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
// CHECK-NEXT: a = 2;
#pragma omp parallel
-#pragma omp taskloop private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) shared(g) if (c) final(d) mergeable priority(f) nogroup num_tasks(N) reduction(min:a)
+#pragma omp taskloop private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) shared(g) if (c) final(d) mergeable priority(f) nogroup num_tasks(N)
for (int i = 0; i < 2; ++i)
for (int j = 0; j < 2; ++j)
for (int j = 0; j < 2; ++j)
@@ -33,7 +33,7 @@ T tmain(T argc) {
for (int j = 0; j < 2; ++j)
foo();
// CHECK-NEXT: #pragma omp parallel
- // CHECK-NEXT: #pragma omp taskloop private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) shared(g) if(c) final(d) mergeable priority(f) nogroup num_tasks(N) reduction(min: a)
+ // CHECK-NEXT: #pragma omp taskloop private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) shared(g) if(c) final(d) mergeable priority(f) nogroup num_tasks(N)
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
// CHECK-NEXT: for (int j = 0; j < 2; ++j)
// CHECK-NEXT: for (int j = 0; j < 2; ++j)
@@ -53,8 +53,8 @@ int main(int argc, char **argv) {
int b = argc, c, d, e, f, g;
static int a;
// CHECK: static int a;
-#pragma omp taskloop if(taskloop: a) default(none) shared(a) final(b) priority(5) nogroup num_tasks(argc) reduction(*: g)
- // CHECK-NEXT: #pragma omp taskloop if(taskloop: a) default(none) shared(a) final(b) priority(5) nogroup num_tasks(argc) reduction(*: g)
+#pragma omp taskloop if(taskloop: a) default(none) shared(a) final(b) priority(5) num_tasks(argc) reduction(*: g)
+ // CHECK-NEXT: #pragma omp taskloop if(taskloop: a) default(none) shared(a) final(b) priority(5) num_tasks(argc) reduction(*: g)
for (int i = 0; i < 2; ++i)
a = 2;
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
Added: cfe/trunk/test/OpenMP/taskloop_reduction_messages.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/taskloop_reduction_messages.cpp?rev=307693&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/taskloop_reduction_messages.cpp (added)
+++ cfe/trunk/test/OpenMP/taskloop_reduction_messages.cpp Tue Jul 11 12:16:44 2017
@@ -0,0 +1,331 @@
+// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s
+// RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s
+// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+void foobar(int &ref) {
+#pragma omp taskloop reduction(+:ref)
+ for (int i = 0; i < 10; ++i)
+ foo();
+}
+
+struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+ mutable int a;
+ S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
+
+public:
+ S2() : a(0) {}
+ S2(S2 &s2) : a(s2.a) {}
+ static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
+ static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
+S2 b; // expected-note 3 {{'b' defined here}}
+const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
+class S3 {
+ int a;
+
+public:
+ int b;
+ S3() : a(0) {}
+ S3(const S3 &s3) : a(s3.a) {}
+ S3 operator+(const S3 &arg1) { return arg1; }
+};
+int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
+S3 c; // expected-note 3 {{'c' defined here}}
+const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
+extern const int f; // expected-note 4 {{'f' declared here}}
+class S4 {
+ int a;
+ S4(); // expected-note {{implicitly declared private here}}
+ S4(const S4 &s4);
+ S4 &operator+(const S4 &arg) { return (*this); }
+
+public:
+ S4(int v) : a(v) {}
+};
+S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
+class S5 {
+ int a:32;
+ S5() : a(0) {} // expected-note {{implicitly declared private here}}
+ S5(const S5 &s5) : a(s5.a) {}
+ S5 &operator+(const S5 &arg);
+
+public:
+ S5(int v) : a(v) {}
+};
+class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
+#if __cplusplus >= 201103L // C++11 or later
+// expected-note at -2 3 {{candidate function (the implicit move assignment operator) not viable}}
+#endif
+ int a;
+
+public:
+ S6() : a(6) {}
+ operator int() { return 6; }
+} o;
+
+struct S7 {
+ int a: 32;
+ S7() {
+#pragma omp taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
+};
+
+S3 h, k;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class T> // expected-note {{declared here}}
+T tmain(T argc) {
+ const T d = T(); // expected-note 4 {{'d' defined here}}
+ const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
+ T qa[5] = {T()};
+ T i;
+ T &j = i; // expected-note 4 {{'j' defined here}}
+ S3 &p = k; // expected-note 2 {{'p' defined here}}
+ const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
+ T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
+ T fl;
+#pragma omp taskloop reduction // expected-error {{expected '(' after 'reduction'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(&& : argc)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(^ : T) // expected-error {{'T' does not refer to a value}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified list item cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(k)
+#pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp taskloop reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(fl)
+#pragma omp taskloop reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel reduction(* : fl)
+#pragma omp taskloop reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+
+ return T();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+ const int d = 5; // expected-note 2 {{'d' defined here}}
+ const int da[5] = {0}; // expected-note {{'da' defined here}}
+ int qa[5] = {0};
+ S4 e(4);
+ S5 g(5);
+ int i;
+ int &j = i; // expected-note 2 {{'j' defined here}}
+ S3 &p = k; // expected-note 2 {{'p' defined here}}
+ const int &r = da[i]; // expected-note {{'r' defined here}}
+ int &q = qa[i]; // expected-note {{'q' defined here}}
+ float fl;
+#pragma omp taskloop reduction // expected-error {{expected '(' after 'reduction'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop' are ignored}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(~ : argc) // expected-error {{expected unqualified-id}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(&& : argc)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified list item cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{invalid operands to binary expression ('S4' and 'S4')}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : o) // expected-error {{no viable overloaded '='}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(k)
+#pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp taskloop reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(fl)
+#pragma omp taskloop reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel reduction(* : fl)
+#pragma omp taskloop reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+ static int m;
+#pragma omp taskloop reduction(+ : m) // OK
+ for (int i = 0; i < 10; ++i)
+ m++;
+#pragma omp taskloop nogroup reduction(+ : m) // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
+ for (int i = 0; i < 10; ++i)
+ m++;
+
+ return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
+}
Modified: cfe/trunk/test/OpenMP/taskloop_simd_ast_print.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/taskloop_simd_ast_print.cpp?rev=307693&r1=307692&r2=307693&view=diff
==============================================================================
--- cfe/trunk/test/OpenMP/taskloop_simd_ast_print.cpp (original)
+++ cfe/trunk/test/OpenMP/taskloop_simd_ast_print.cpp Tue Jul 11 12:16:44 2017
@@ -21,7 +21,7 @@ T tmain(T argc) {
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
// CHECK-NEXT: a = 2;
#pragma omp parallel
-#pragma omp taskloop simd private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) shared(g) if (c) final(d) mergeable priority(f) simdlen(N) nogroup num_tasks(N) reduction(min:a)
+#pragma omp taskloop simd private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) shared(g) if (c) final(d) mergeable priority(f) simdlen(N) nogroup num_tasks(N)
for (int i = 0; i < 2; ++i)
for (int j = 0; j < 2; ++j)
for (int j = 0; j < 2; ++j)
@@ -34,7 +34,7 @@ T tmain(T argc) {
for (int j = 0; j < 2; ++j)
foo();
// CHECK-NEXT: #pragma omp parallel
- // CHECK-NEXT: #pragma omp taskloop simd private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) shared(g) if(c) final(d) mergeable priority(f) simdlen(N) nogroup num_tasks(N) reduction(min: a)
+ // CHECK-NEXT: #pragma omp taskloop simd private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) shared(g) if(c) final(d) mergeable priority(f) simdlen(N) nogroup num_tasks(N)
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
// CHECK-NEXT: for (int j = 0; j < 2; ++j)
// CHECK-NEXT: for (int j = 0; j < 2; ++j)
@@ -54,8 +54,8 @@ int main(int argc, char **argv) {
int b = argc, c, d, e, f, g;
static int a;
// CHECK: static int a;
-#pragma omp taskloop simd if(taskloop: a) default(none) shared(a) final(b) priority(5) safelen(8) linear(b), aligned(argv) nogroup num_tasks(argc) reduction(*: g)
- // CHECK-NEXT: #pragma omp taskloop simd if(taskloop: a) default(none) shared(a) final(b) priority(5) safelen(8) linear(b) aligned(argv) nogroup num_tasks(argc) reduction(*: g)
+#pragma omp taskloop simd if(taskloop: a) default(none) shared(a) final(b) priority(5) safelen(8) linear(b), aligned(argv) num_tasks(argc) reduction(*: g)
+ // CHECK-NEXT: #pragma omp taskloop simd if(taskloop: a) default(none) shared(a) final(b) priority(5) safelen(8) linear(b) aligned(argv) num_tasks(argc) reduction(*: g)
for (int i = 0; i < 2; ++i)
a = 2;
// CHECK-NEXT: for (int i = 0; i < 2; ++i)
Added: cfe/trunk/test/OpenMP/taskloop_simd_reduction_messages.cpp
URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/OpenMP/taskloop_simd_reduction_messages.cpp?rev=307693&view=auto
==============================================================================
--- cfe/trunk/test/OpenMP/taskloop_simd_reduction_messages.cpp (added)
+++ cfe/trunk/test/OpenMP/taskloop_simd_reduction_messages.cpp Tue Jul 11 12:16:44 2017
@@ -0,0 +1,331 @@
+// RUN: %clang_cc1 -verify -fopenmp -ferror-limit 150 -o - %s
+// RUN: %clang_cc1 -verify -fopenmp -std=c++98 -ferror-limit 150 -o - %s
+// RUN: %clang_cc1 -verify -fopenmp -std=c++11 -ferror-limit 150 -o - %s
+
+void foo() {
+}
+
+bool foobool(int argc) {
+ return argc;
+}
+
+void foobar(int &ref) {
+#pragma omp taskloop simd reduction(+:ref)
+ for (int i = 0; i < 10; ++i)
+ foo();
+}
+
+struct S1; // expected-note {{declared here}} expected-note 4 {{forward declaration of 'S1'}}
+extern S1 a;
+class S2 {
+ mutable int a;
+ S2 &operator+(const S2 &arg) { return (*this); } // expected-note 3 {{implicitly declared private here}}
+
+public:
+ S2() : a(0) {}
+ S2(S2 &s2) : a(s2.a) {}
+ static float S2s; // expected-note 2 {{static data member is predetermined as shared}}
+ static const float S2sc;
+};
+const float S2::S2sc = 0; // expected-note 2 {{'S2sc' defined here}}
+S2 b; // expected-note 3 {{'b' defined here}}
+const S2 ba[5]; // expected-note 2 {{'ba' defined here}}
+class S3 {
+ int a;
+
+public:
+ int b;
+ S3() : a(0) {}
+ S3(const S3 &s3) : a(s3.a) {}
+ S3 operator+(const S3 &arg1) { return arg1; }
+};
+int operator+(const S3 &arg1, const S3 &arg2) { return 5; }
+S3 c; // expected-note 3 {{'c' defined here}}
+const S3 ca[5]; // expected-note 2 {{'ca' defined here}}
+extern const int f; // expected-note 4 {{'f' declared here}}
+class S4 {
+ int a;
+ S4(); // expected-note {{implicitly declared private here}}
+ S4(const S4 &s4);
+ S4 &operator+(const S4 &arg) { return (*this); }
+
+public:
+ S4(int v) : a(v) {}
+};
+S4 &operator&=(S4 &arg1, S4 &arg2) { return arg1; }
+class S5 {
+ int a;
+ S5() : a(0) {} // expected-note {{implicitly declared private here}}
+ S5(const S5 &s5) : a(s5.a) {}
+ S5 &operator+(const S5 &arg);
+
+public:
+ S5(int v) : a(v) {}
+};
+class S6 { // expected-note 3 {{candidate function (the implicit copy assignment operator) not viable: no known conversion from 'int' to 'const S6' for 1st argument}}
+#if __cplusplus >= 201103L // C++11 or later
+// expected-note at -2 3 {{candidate function (the implicit move assignment operator) not viable}}
+#endif
+ int a;
+
+public:
+ S6() : a(6) {}
+ operator int() { return 6; }
+} o;
+
+struct S7 {
+ int a: 32;
+ S7() {
+#pragma omp taskloop reduction(+:a) // expected-error {{expected addressable reduction item for the task-based directives}}
+ for (int i = 0; i < 10; ++i)
+ ++a;
+ }
+};
+
+S3 h, k;
+#pragma omp threadprivate(h) // expected-note 2 {{defined as threadprivate or thread local}}
+
+template <class T> // expected-note {{declared here}}
+T tmain(T argc) {
+ const T d = T(); // expected-note 4 {{'d' defined here}}
+ const T da[5] = {T()}; // expected-note 2 {{'da' defined here}}
+ T qa[5] = {T()};
+ T i;
+ T &j = i; // expected-note 4 {{'j' defined here}}
+ S3 &p = k; // expected-note 2 {{'p' defined here}}
+ const T &r = da[(int)i]; // expected-note 2 {{'r' defined here}}
+ T &q = qa[(int)i]; // expected-note 2 {{'q' defined here}}
+ T fl;
+#pragma omp taskloop simd reduction // expected-error {{expected '(' after 'reduction'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(& : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(|| : argc ? i : argc) // expected-error 2 {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(foo : argc) //expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'float'}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max' or declare reduction for type 'int'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(&& : argc)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(^ : T) // expected-error {{'T' does not refer to a value}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 3 {{const-qualified list item cannot be reduction}} expected-error 2 {{'operator+' is a private member of 'S2'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 4 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 3 {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}} expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : h, k) // expected-error {{threadprivate or thread local variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : o) // expected-error 2 {{no viable overloaded '='}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 4 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(k)
+#pragma omp taskloop simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{variable can appear only once in OpenMP 'reduction' clause}} expected-note 2 {{previously referenced here}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : r) // expected-error 2 {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp taskloop simd reduction(max : j) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(fl)
+#pragma omp taskloop simd reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel reduction(* : fl)
+#pragma omp taskloop simd reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+
+ return T();
+}
+
+namespace A {
+double x;
+#pragma omp threadprivate(x) // expected-note {{defined as threadprivate or thread local}}
+}
+namespace B {
+using A::x;
+}
+
+int main(int argc, char **argv) {
+ const int d = 5; // expected-note 2 {{'d' defined here}}
+ const int da[5] = {0}; // expected-note {{'da' defined here}}
+ int qa[5] = {0};
+ S4 e(4);
+ S5 g(5);
+ int i;
+ int &j = i; // expected-note 2 {{'j' defined here}}
+ S3 &p = k; // expected-note 2 {{'p' defined here}}
+ const int &r = da[i]; // expected-note {{'r' defined here}}
+ int &q = qa[i]; // expected-note {{'q' defined here}}
+ float fl;
+#pragma omp taskloop simd reduction // expected-error {{expected '(' after 'reduction'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction + // expected-error {{expected '(' after 'reduction'}} expected-warning {{extra tokens at the end of '#pragma omp taskloop simd' are ignored}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction( // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(- // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction() // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(*) // expected-warning {{missing ':' after reduction identifier - ignoring}} expected-error {{expected expression}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(\) // expected-error {{expected unqualified-id}} expected-warning {{missing ':' after reduction identifier - ignoring}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(foo : argc // expected-error {{expected ')'}} expected-note {{to match this '('}} expected-error {{incorrect reduction identifier, expected one of '+', '-', '*', '&', '|', '^', '&&', '||', 'min' or 'max'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(| : argc, // expected-error {{expected expression}} expected-error {{expected ')'}} expected-note {{to match this '('}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(|| : argc > 0 ? argv[1] : argv[2]) // expected-error {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(~ : argc) // expected-error {{expected unqualified-id}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(&& : argc)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(^ : S1) // expected-error {{'S1' does not refer to a value}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{const-qualified list item cannot be reduction}} expected-error {{'operator+' is a private member of 'S2'}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(min : a, b, c, d, f) // expected-error {{a reduction list item with incomplete type 'S1'}} expected-error 2 {{arguments of OpenMP clause 'reduction' for 'min' or 'max' must be of arithmetic type}} expected-error 2 {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(max : h.b) // expected-error {{expected variable name, array element or array section}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : ba) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(* : ca) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(- : da) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(^ : fl) // expected-error {{invalid operands to binary expression ('float' and 'float')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(&& : S2::S2s) // expected-error {{shared variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(&& : S2::S2sc) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(& : e, g) // expected-error {{calling a private constructor of class 'S4'}} expected-error {{invalid operands to binary expression ('S4' and 'S4')}} expected-error {{calling a private constructor of class 'S5'}} expected-error {{invalid operands to binary expression ('S5' and 'S5')}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : h, k, B::x) // expected-error 2 {{threadprivate or thread local variable cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : o) // expected-error {{no viable overloaded '='}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd private(i), reduction(+ : j), reduction(+ : q) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(k)
+#pragma omp taskloop simd reduction(+ : p), reduction(+ : p) // expected-error 2 {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : p), reduction(+ : p) // expected-error {{variable can appear only once in OpenMP 'reduction' clause}} expected-note {{previously referenced here}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp taskloop simd reduction(+ : r) // expected-error {{const-qualified list item cannot be reduction}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel shared(i)
+#pragma omp parallel reduction(min : i)
+#pragma omp taskloop simd reduction(max : j) // expected-error {{argument of OpenMP clause 'reduction' must reference the same object in all threads}}
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel private(fl)
+#pragma omp taskloop simd reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+#pragma omp parallel reduction(* : fl)
+#pragma omp taskloop simd reduction(+ : fl)
+ for (int i = 0; i < 10; ++i)
+ foo();
+ static int m;
+#pragma omp taskloop simd reduction(+ : m) // OK
+ for (int i = 0; i < 10; ++i)
+ m++;
+#pragma omp taskloop simd reduction(+ : m) nogroup // expected-error {{'reduction' clause cannot be used with 'nogroup' clause}}
+ for (int i = 0; i < 10; ++i)
+ m++;
+
+ return tmain(argc) + tmain(fl); // expected-note {{in instantiation of function template specialization 'tmain<int>' requested here}} expected-note {{in instantiation of function template specialization 'tmain<float>' requested here}}
+}
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