================
@@ -1130,8 +1130,96 @@ struct BitTest {
static BitTest decodeBitTestBuiltin(unsigned BuiltinID);
};
+
+// Returns the first convergence entry/loop/anchor instruction found in |BB|.
+// std::nullopt otherwise.
+std::optional<llvm::IntrinsicInst *> getConvergenceToken(llvm::BasicBlock *BB)
{
----------------
Keenuts wrote:
No strong opinion. My rational is if you read "optional", you know it's not
always there. But I'm fine with the pointer, changed to pointer.
https://github.com/llvm/llvm-project/pull/80680
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