diff --git a/llvm/unittests/Frontend/CMakeLists.txt b/llvm/unittests/Frontend/CMakeLists.txt
--- a/llvm/unittests/Frontend/CMakeLists.txt
+++ b/llvm/unittests/Frontend/CMakeLists.txt
@@ -11,6 +11,7 @@
 add_llvm_unittest(LLVMFrontendTests
   OpenMPContextTest.cpp
   OpenMPIRBuilderTest.cpp
+  OpenMPParsingTest.cpp
 
   DEPENDS
   omp_gen
diff --git a/llvm/unittests/Frontend/OpenMPParsingTest.cpp b/llvm/unittests/Frontend/OpenMPParsingTest.cpp
new file mode 100644
--- /dev/null
+++ b/llvm/unittests/Frontend/OpenMPParsingTest.cpp
@@ -0,0 +1,84 @@
+//===- llvm/unittest/IR/OpenMPIRParsingTest.cpp ---------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/Frontend/OpenMP/OMPConstants.h"
+#include "gtest/gtest.h"
+
+using namespace llvm;
+using namespace llvm::omp;
+
+namespace {
+
+TEST(OpenMPParsingTest, OpenMPDirectiveKind) {
+  EXPECT_EQ(getOpenMPDirectiveKind("foobar"), OMPD_unknown);
+
+  EXPECT_EQ(getOpenMPDirectiveKind("for"), OMPD_for);
+  EXPECT_EQ(getOpenMPDirectiveKind("simd"), OMPD_simd);
+  EXPECT_EQ(getOpenMPDirectiveKind("for simd"), OMPD_for_simd);
+}
+
+TEST(OpenMPParsingTest, getOpenMPDirectiveName) {
+  EXPECT_EQ(getOpenMPDirectiveName(OMPD_unknown), "unknown");
+
+  EXPECT_EQ(getOpenMPDirectiveName(OMPD_for), "for");
+  EXPECT_EQ(getOpenMPDirectiveName(OMPD_simd), "simd");
+  EXPECT_EQ(getOpenMPDirectiveName(OMPD_for_simd), "for simd");
+}
+
+TEST(OpenMPParsingTest, getOpenMPClauseKind) {
+  EXPECT_EQ(getOpenMPClauseKind("foobar"), OMPC_unknown);
+
+  EXPECT_EQ(getOpenMPClauseKind("schedule"), OMPC_schedule);
+  EXPECT_EQ(getOpenMPClauseKind("if"), OMPC_if);
+}
+
+TEST(OpenMPParsingTest, getOpenMPClauseName) {
+  EXPECT_EQ(getOpenMPClauseName(OMPC_unknown), "unknown");
+
+  EXPECT_EQ(getOpenMPClauseName(OMPC_schedule), "schedule");
+  EXPECT_EQ(getOpenMPClauseName(OMPC_if), "if");
+}
+
+TEST(OpenMPParsingTest, isAllowedClauseForDirective) {
+  EXPECT_TRUE(isAllowedClauseForDirective(OMPD_for, OMPC_schedule, 30));
+  EXPECT_FALSE(isAllowedClauseForDirective(OMPD_for, OMPC_num_teams, 30));
+
+  EXPECT_FALSE(isAllowedClauseForDirective(OMPD_for, OMPC_order, 30));
+  EXPECT_FALSE(isAllowedClauseForDirective(OMPD_for, OMPC_order, 45));
+  EXPECT_TRUE(isAllowedClauseForDirective(OMPD_for, OMPC_order, 50));
+  EXPECT_TRUE(isAllowedClauseForDirective(OMPD_for, OMPC_order, 51));
+}
+
+TEST(OpenMPParsingTest, getOrderKind) {
+  EXPECT_EQ(getOrderKind("foobar"), OMP_ORDER_concurrent);
+  EXPECT_EQ(getOrderKind("default"), OMP_ORDER_concurrent);
+}
+
+TEST(OpenMPParsingTest, getProcBindKind) {
+  EXPECT_EQ(getProcBindKind("foobar"), OMP_PROC_BIND_unknown);
+
+  EXPECT_EQ(getProcBindKind("master"), OMP_PROC_BIND_master);
+  EXPECT_EQ(getProcBindKind("close"), OMP_PROC_BIND_close);
+  EXPECT_EQ(getProcBindKind("spread"), OMP_PROC_BIND_spread);
+  EXPECT_EQ(getProcBindKind("default"), OMP_PROC_BIND_default);
+  EXPECT_EQ(getProcBindKind("unknown"), OMP_PROC_BIND_unknown);
+}
+
+TEST(OpenMPParsingTest, getScheduleKind) {
+  EXPECT_EQ(getScheduleKind("foobar"), OMP_SCHEDULE_Default);
+
+  // FIXME: Why are these not lower case?
+  EXPECT_EQ(getScheduleKind("Static"), OMP_SCHEDULE_Static);
+  EXPECT_EQ(getScheduleKind("Dynamic"), OMP_SCHEDULE_Dynamic);
+  EXPECT_EQ(getScheduleKind("Guided"), OMP_SCHEDULE_Guided);
+  EXPECT_EQ(getScheduleKind("Auto"), OMP_SCHEDULE_Auto);
+  EXPECT_EQ(getScheduleKind("Runtime"), OMP_SCHEDULE_Runtime);
+  EXPECT_EQ(getScheduleKind("Default"), OMP_SCHEDULE_Default);
+}
+
+} // namespace