Nathan =?utf-8?q?Gauër?= <brio...@google.com>,
Nathan =?utf-8?q?Gauër?= <brio...@google.com>
Message-ID:
In-Reply-To: <llvm.org/llvm/llvm-project/pull/80...@github.com>
================
@@ -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)
{
+ for (auto &I : *BB) {
+ auto *II = dyn_cast<llvm::IntrinsicInst>(&I);
+ if (II && isConvergenceControlIntrinsic(II->getIntrinsicID()))
+ return II;
+ }
+ return std::nullopt;
+}
+
} // namespace
+llvm::CallBase *
+CodeGenFunction::AddConvergenceControlAttr(llvm::CallBase *Input,
+ llvm::Value *ParentToken) {
+ llvm::Value *bundleArgs[] = {ParentToken};
----------------
arsenm wrote:
Can you avoid bundleArgs and just construct the array inline?
https://github.com/llvm/llvm-project/pull/80680
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