[OPENMP] Codegen for 'proc_bind' clause (4.0).

Adds emission of the code for 'proc_bind(master|close|spread)' clause:
call void @__kmpc_push_proc_bind(<loc>, i32 thread_id, i32 4|3|2)

llvm-svn: 240018

1 files changed, 52 insertions, 0 deletions

diff --git a/clang/test/OpenMP/parallel_proc_bind_codegen.cpp b/clang/test/OpenMP/parallel_proc_bind_codegen.cpp
new file mode 100644
index 00000000000..2a8eaee127c
--- /dev/null
+++ b/clang/test/OpenMP/parallel_proc_bind_codegen.cpp
@@ -0,0 +1,52 @@
+// RUN: %clang_cc1 -verify -fopenmp -x c++ -triple %itanium_abi_triple -emit-llvm %s -fexceptions -fcxx-exceptions -o - | FileCheck %s
+// RUN: %clang_cc1 -fopenmp -x c++ -std=c++11 -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -emit-pch -o %t %s
+// RUN: %clang_cc1 -fopenmp -x c++ -triple %itanium_abi_triple -fexceptions -fcxx-exceptions -std=c++11 -include-pch %t -verify %s -emit-llvm -o - | FileCheck %s
+// expected-no-diagnostics
+#ifndef HEADER
+#define HEADER
+
+typedef __INTPTR_TYPE__ intptr_t;
+
+// CHECK-DAG: [[IDENT_T_TY:%.+]] = type { i32, i32, i32, i32, i8* }
+// CHECK-DAG: [[STR:@.+]] = private unnamed_addr constant [23 x i8] c";unknown;unknown;0;0;;\00"
+// CHECK-DAG: [[DEF_LOC_2:@.+]] = private unnamed_addr constant [[IDENT_T_TY]] { i32 0, i32 2, i32 0, i32 0, i8* getelementptr inbounds ([23 x i8], [23 x i8]* [[STR]], i32 0, i32 0) }
+
+void foo();
+
+struct S {
+  intptr_t a, b, c;
+  S(intptr_t a) : a(a) {}
+  operator char() { return a; }
+  ~S() {}
+};
+
+template <typename T>
+T tmain() {
+#pragma omp parallel proc_bind(master)
+  foo();
+  return T();
+}
+
+int main() {
+#pragma omp parallel proc_bind(spread)
+  foo();
+#pragma omp parallel proc_bind(close)
+  foo();
+  return tmain<int>();
+}
+
+// CHECK-LABEL: @main
+// CHECK:       [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]])
+// CHECK:       call void @__kmpc_push_proc_bind([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 4)
+// CHECK:       call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
+// CHECK:       call void @__kmpc_push_proc_bind([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 3)
+// CHECK:       call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
+
+// CHECK-LABEL: @{{.+}}tmain
+// CHECK:       [[GTID:%.+]] = call i32 @__kmpc_global_thread_num([[IDENT_T_TY]]* [[DEF_LOC_2]])
+// CHECK:       call void @__kmpc_push_proc_bind([[IDENT_T_TY]]* [[DEF_LOC_2]], i32 [[GTID]], i32 2)
+// CHECK:       call void (%ident_t*, i32, void (i32*, i32*, ...)*, ...) @__kmpc_fork_call(
+// CHECK:       ret i32 0
+// CHECK-NEXT:  }
+
+#endif