[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

llvm-svn: 285325

1 files changed, 7 insertions, 2 deletions

diff --git a/clang/lib/Driver/ToolChain.cpp b/clang/lib/Driver/ToolChain.cpp
index 93c6f781099..f640a85f4cf 100644
--- a/clang/lib/Driver/ToolChain.cpp
+++ b/clang/lib/Driver/ToolChain.cpp
@@ -239,6 +239,12 @@ Tool *ToolChain::getLink() const {
   return Link.get();
 }
 
+Tool *ToolChain::getOffloadBundler() const {
+  if (!OffloadBundler)
+    OffloadBundler.reset(new tools::OffloadBundler(*this));
+  return OffloadBundler.get();
+}
+
 Tool *ToolChain::getTool(Action::ActionClass AC) const {
   switch (AC) {
   case Action::AssembleJobClass:
@@ -266,8 +272,7 @@ Tool *ToolChain::getTool(Action::ActionClass AC) const {
 
   case Action::OffloadBundlingJobClass:
   case Action::OffloadUnbundlingJobClass:
-    // FIXME: Add a tool for the bundling actions.
-    return nullptr;
+    return getOffloadBundler();
   }
 
   llvm_unreachable("Invalid tool kind.");