[Driver][OpenMP] Add support to create jobs for bundling actions.

Summary: This patch adds the support to create a job for the `OffloadBundlingAction` which will invoke the `clang-offload-bundler` tool.

Reviewers: echristo, tra, jlebar, ABataev, hfinkel

Subscribers: whchung, mehdi_amini, cfe-commits, Hahnfeld, andreybokhanko, arpith-jacob, carlo.bertolli, caomhin

Differential Revision: https://reviews.llvm.org/D21856

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@285325 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 17 insertions, 0 deletions

diff --git a/lib/Driver/Action.cpp b/lib/Driver/Action.cpp
index 79e3da37ba..ad6fb71810 100644
--- a/lib/Driver/Action.cpp
+++ b/lib/Driver/Action.cpp
@@ -9,6 +9,7 @@
 
 #include "clang/Driver/Action.h"
 #include "clang/Driver/ToolChain.h"
+#include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSwitch.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Regex.h"
@@ -128,6 +129,22 @@ Action::getOffloadingFileNamePrefix(llvm::StringRef NormalizedTriple) const {
   return Res;
 }
 
+/// Return a string with the offload kind name. If that is not defined, we
+/// assume 'host'.
+llvm::StringRef Action::GetOffloadKindName(OffloadKind Kind) {
+  switch (Kind) {
+  case OFK_None:
+  case OFK_Host:
+    return "host";
+  case OFK_Cuda:
+    return "cuda";
+  case OFK_OpenMP:
+    return "openmp";
+
+    // TODO: Add other programming models here.
+  }
+}
+
 void InputAction::anchor() {}
 
 InputAction::InputAction(const Arg &_Input, types::ID _Type)