[clang] [libclc] [llvm] [libclc] Add initial LIT tests (PR #87989)

[Fraser Cormack via llvm-commits]

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@@ -215,6 +215,9 @@ void addOpenMPDeviceRTL(const Driver &D, const llvm::opt::ArgList &DriverArgs,
                         StringRef BitcodeSuffix, const llvm::Triple &Triple,
                         const ToolChain &HostTC);
 
+void addOpenCLBuiltinsLib(const Driver &D, const llvm::opt::ArgList &DriverArgs,
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frasercrmck wrote:

Just rebased on top of #146503 for now. I haven't set up Graphite or any of those other tools that can stack PRs for me.

https://github.com/llvm/llvm-project/pull/87989