[OPENMP]Initial support for 'allocate' clause.

Added parsing/sema analysis of the allocate clause.

llvm-svn: 357068
diff --git a/clang/test/OpenMP/for_ast_print.cpp b/clang/test/OpenMP/for_ast_print.cpp
index 760d44c..cdbe9aa 100644
--- a/clang/test/OpenMP/for_ast_print.cpp
+++ b/clang/test/OpenMP/for_ast_print.cpp
@@ -105,14 +105,14 @@
   T b = argc, c, d, e, f, g;
   static T a;
 // CHECK: static T a;
-#pragma omp for schedule(dynamic) linear(a)
-  // CHECK-NEXT: #pragma omp for schedule(dynamic) linear(a)
+#pragma omp for schedule(dynamic) linear(a) allocate(a)
+  // CHECK-NEXT: #pragma omp for schedule(dynamic) linear(a) allocate(a)
   for (int i = 0; i < 2; ++i)
     a = 2;
 // CHECK-NEXT: for (int i = 0; i < 2; ++i)
 // CHECK-NEXT: a = 2;
 #pragma omp parallel
-#pragma omp for private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) schedule(static, N) ordered(N) nowait
+#pragma omp for allocate(argc) private(argc, b), firstprivate(c, d), lastprivate(d, f) collapse(N) schedule(static, N) ordered(N) nowait
   for (int i = 0; i < 2; ++i)
     for (int j = 0; j < 2; ++j)
       for (int j = 0; j < 2; ++j)
@@ -125,7 +125,7 @@
           for (int j = 0; j < 2; ++j)
             foo();
   // CHECK-NEXT: #pragma omp parallel
-  // CHECK-NEXT: #pragma omp for private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) schedule(static, N) ordered(N) nowait
+  // CHECK-NEXT: #pragma omp for allocate(argc) private(argc,b) firstprivate(c,d) lastprivate(d,f) collapse(N) schedule(static, N) ordered(N) nowait
   // 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)