Nathan =?utf-8?q?Gauër?= <brio...@google.com>, Nathan =?utf-8?q?Gauër?= <brio...@google.com>, Nathan =?utf-8?q?Gauër?= <brio...@google.com>, Nathan =?utf-8?q?Gauër?= <brio...@google.com>, Nathan =?utf-8?q?Gauër?= <brio...@google.com>, 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 +1130,92 @@ struct BitTest { static BitTest decodeBitTestBuiltin(unsigned BuiltinID); }; + +// Returns the first convergence entry/loop/anchor instruction found in |BB|. +// std::nullptr otherwise. +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 nullptr; +} + } // namespace +llvm::CallBase * +CodeGenFunction::AddConvergenceControlAttr(llvm::CallBase *Input, + llvm::Value *ParentToken) { + llvm::Value *bundleArgs[] = {ParentToken}; + llvm::OperandBundleDef OB("convergencectrl", bundleArgs); + auto Output = llvm::CallBase::addOperandBundle( + Input, llvm::LLVMContext::OB_convergencectrl, OB, Input); + Input->replaceAllUsesWith(Output); + Input->eraseFromParent(); + return Output; +} + +llvm::IntrinsicInst * +CodeGenFunction::EmitConvergenceLoop(llvm::BasicBlock *BB, ---------------- ssahasra wrote: Other places use "LoopToken". Ending with "Token" certainly feels more consistent. https://github.com/llvm/llvm-project/pull/80680 _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits