[llvm] [SPIR-V] Allow intrinsics with aggregate return type to reach GlobalISel (PR #108893)

[Nathan Gauër via llvm-commits]

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@@ -188,6 +188,40 @@ bool isConvergenceIntrinsic(const Instruction *I) {
          II->getIntrinsicID() == Intrinsic::experimental_convergence_loop ||
          II->getIntrinsicID() == Intrinsic::experimental_convergence_anchor;
 }
+
+bool isInternalNonVoidIntrinsic(const Value *I) {
+  if (const auto *II = dyn_cast<IntrinsicInst>(I))
+    switch (II->getIntrinsicID()) {
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Keenuts wrote:

This is supposed to be the list of internal intrinsics not returning void?

https://github.com/llvm/llvm-project/pull/108893