[clang] clang: Add convergence control bundles when creating calls (PR #230765)

[Eli Friedman via cfe-commits]

================
@@ -5448,12 +5448,13 @@ CodeGenFunction::getBundlesForFunclet(llvm::Value *Callee) {
 llvm::CallInst *CodeGenFunction::EmitRuntimeCall(llvm::FunctionCallee callee,
                                                  ArrayRef<llvm::Value *> args,
                                                  const llvm::Twine &name) {
-  llvm::CallInst *call = Builder.CreateCall(
-      callee, args, getBundlesForFunclet(callee.getCallee()), name);
+  SmallVector<llvm::OperandBundleDef> BundleList =
+      getBundlesForFunclet(callee.getCallee());
+  if (auto *F = dyn_cast<llvm::Function>(callee.getCallee());
+      F && F->isConvergent())
----------------
efriedma-quic wrote:

I don't think this pattern works correctly with indirect calls.  Indirect calls are probably irrelevant for many targets that care about convergence, but I wouldn't want to assume the combination is impossible.

https://github.com/llvm/llvm-project/pull/230765