[llvm] [offload][SYCL] Add SYCL Module splitting (PR #119713)

[Fraser Cormack via llvm-commits]

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@@ -123,6 +189,16 @@ int main(int argc, char **argv) {
     Out->keep();
   };
 
+  if (SYCLSplitMode != IRSplitMode::IRSM_NONE) {
+    auto E = runSYCLSplitModule(std::move(M));
+    if (E) {
+      errs() << E << "\n";
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frasercrmck wrote:

Should we return 1 if there's an error? Looks like there's a chance we return 0 on error here.

https://github.com/llvm/llvm-project/pull/119713