CGM.getOpenMPRuntime().emitSingleRegion(*this, CodeGen, S.getLocStart(),
CopyprivateVars, DestExprs, SrcExprs,
AssignmentOps);
- // Emit an implicit barrier at the end.
- if (!S.getSingleClause(OMPC_nowait)) {
+ // Emit an implicit barrier at the end (if no 'nowait' clause and no
+ // 'copyprivate' clause).
+ if (!S.getSingleClause(OMPC_nowait) && CopyprivateVars.empty()) {
CGM.getOpenMPRuntime().emitBarrierCall(*this, S.getLocStart(), OMPD_single);
}
}
// CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: br label {{%?}}[[EXIT]]
// CHECK: [[EXIT]]
-// CHECK-NOT: __kmpc_cancel_barrier
+// CHECK-NOT: call {{.+}} @__kmpc_cancel_barrier
#pragma omp single nowait
a = 2;
// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
// CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0
// CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
// CHECK: [[THEN]]
+// CHECK-NEXT: store i8 2, i8* [[A_ADDR]]
+// CHECK-NEXT: call void @__kmpc_end_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
+// CHECK-NEXT: br label {{%?}}[[EXIT]]
+// CHECK: [[EXIT]]
+// CHECK: call{{.*}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_SINGLE_LOC]], i32 [[GTID]])
+#pragma omp single
+ a = 2;
+// CHECK: [[RES:%.+]] = call i32 @__kmpc_single([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]])
+// CHECK-NEXT: [[IS_SINGLE:%.+]] = icmp ne i32 [[RES]], 0
+// CHECK-NEXT: br i1 [[IS_SINGLE]], label {{%?}}[[THEN:.+]], label {{%?}}[[EXIT:.+]]
+// CHECK: [[THEN]]
// CHECK-NEXT: invoke void [[FOO]]()
// CHECK: to label {{%?}}[[CONT:.+]] unwind
// CHECK: [[CONT]]
// CHECK: [[COPY_LIST_VOID_PTR:%.+]] = bitcast [5 x i8*]* [[COPY_LIST]] to i8*
// CHECK: [[DID_IT_VAL:%.+]] = load i32, i32* [[DID_IT]],
// CHECK: call void @__kmpc_copyprivate([[IDENT_T_TY]]* [[DEFAULT_LOC]], i32 [[GTID]], i32 40, i8* [[COPY_LIST_VOID_PTR]], void (i8*, i8*)* [[COPY_FUNC:@.+]], i32 [[DID_IT_VAL]])
-// CHECK: call{{.*}} @__kmpc_cancel_barrier([[IDENT_T_TY]]* [[IMPLICIT_BARRIER_SINGLE_LOC]], i32 [[GTID]])
+// CHECK-NOT: call {{.+}} @__kmpc_cancel_barrier
#pragma omp single copyprivate(a, c, tc, a2, tc2)
foo();
// CHECK-NOT: call i32 @__kmpc_single