[OpenMP] Parsing and sema support for map clause

http://reviews.llvm.org/D14134 

llvm-svn: 253849
diff --git a/clang/test/OpenMP/target_data_ast_print.cpp b/clang/test/OpenMP/target_data_ast_print.cpp
index 06b4616..cdff857 100644
--- a/clang/test/OpenMP/target_data_ast_print.cpp
+++ b/clang/test/OpenMP/target_data_ast_print.cpp
@@ -8,8 +8,113 @@
 
 void foo() {}
 
+template <typename T, int C>
+T tmain(T argc, T *argv) {
+  T i, j, b, c, d, e, x[20];
+
+#pragma omp target data
+  i = argc;
+
+#pragma omp target data if (target data: j > 0)
+  foo();
+
+#pragma omp target data if (b)
+  foo();
+
+#pragma omp target data map(c)
+  foo();
+
+#pragma omp target data map(c) if(b>e)
+  foo();
+
+#pragma omp target data map(x[0:10], c)
+  foo();
+
+#pragma omp target data map(to: c) map(from: d)
+  foo();
+
+#pragma omp target data map(always,alloc: e)
+  foo();
+
+// nesting a target region
+#pragma omp target data map(e)
+{
+  #pragma omp target map(always, alloc: e)
+    foo();
+}
+
+  return 0;
+}
+
+// CHECK: template <typename T = int, int C = 5> int tmain(int argc, int *argv) {
+// CHECK-NEXT: int i, j, b, c, d, e, x[20];
+// CHECK-NEXT: #pragma omp target data
+// CHECK-NEXT: i = argc;
+// CHECK-NEXT: #pragma omp target data if(target data: j > 0)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data if(b)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: c)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: c) if(b > e)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: x[0:10],c)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(to: c) map(from: d)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(always,alloc: e)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: e)
+// CHECK-NEXT: {
+// CHECK-NEXT: #pragma omp target map(always,alloc: e)
+// CHECK-NEXT: foo();
+// CHECK: template <typename T = char, int C = 1> char tmain(char argc, char *argv) {
+// CHECK-NEXT: char i, j, b, c, d, e, x[20];
+// CHECK-NEXT: #pragma omp target data
+// CHECK-NEXT: i = argc;
+// CHECK-NEXT: #pragma omp target data if(target data: j > 0)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data if(b)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: c)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: c) if(b > e)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: x[0:10],c)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(to: c) map(from: d)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(always,alloc: e)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: e)
+// CHECK-NEXT: {
+// CHECK-NEXT: #pragma omp target map(always,alloc: e)
+// CHECK-NEXT: foo();
+// CHECK: template <typename T, int C> T tmain(T argc, T *argv) {
+// CHECK-NEXT: T i, j, b, c, d, e, x[20];
+// CHECK-NEXT: #pragma omp target data
+// CHECK-NEXT: i = argc;
+// CHECK-NEXT: #pragma omp target data if(target data: j > 0)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data if(b)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: c)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: c) if(b > e)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: x[0:10],c)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(to: c) map(from: d)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(always,alloc: e)
+// CHECK-NEXT: foo();
+// CHECK-NEXT: #pragma omp target data map(tofrom: e)
+// CHECK-NEXT: {
+// CHECK-NEXT: #pragma omp target map(always,alloc: e)
+// CHECK-NEXT: foo();
+
 int main (int argc, char **argv) {
-  int b = argc, c, d, e, f, g;
+  int b = argc, c, d, e, f, g, x[20];
   static int a;
 // CHECK: static int a;
 
@@ -27,7 +132,42 @@
   foo();
 // CHECK-NEXT: foo();
 
-  return (0);
+#pragma omp target data map(c)
+// CHECK-NEXT: #pragma omp target data map(tofrom: c)
+  foo();
+// CHECK-NEXT: foo();
+
+#pragma omp target data map(c) if(b>g)
+// CHECK-NEXT: #pragma omp target data map(tofrom: c) if(b > g)
+  foo();
+// CHECK-NEXT: foo();
+
+#pragma omp target data map(x[0:10], c)
+// CHECK-NEXT: #pragma omp target data map(tofrom: x[0:10],c)
+  foo();
+// CHECK-NEXT: foo();
+
+#pragma omp target data map(to: c) map(from: d)
+// CHECK-NEXT: #pragma omp target data map(to: c) map(from: d)
+  foo();
+// CHECK-NEXT: foo();
+
+#pragma omp target data map(always,alloc: e)
+// CHECK-NEXT: #pragma omp target data map(always,alloc: e)
+  foo();
+// CHECK-NEXT: foo();
+
+// nesting a target region
+#pragma omp target data map(e)
+// CHECK-NEXT: #pragma omp target data map(tofrom: e)
+{
+// CHECK-NEXT: {
+  #pragma omp target map(always, alloc: e)
+// CHECK-NEXT: #pragma omp target map(always,alloc: e)
+    foo();
+// CHECK-NEXT: foo();
+}
+  return tmain<int, 5>(argc, &argc) + tmain<char, 1>(argv[0][0], argv[0]);
 }
 
 #endif