From 2aa4df35d973508f2f254ca2c3e182b64af5cc54 Mon Sep 17 00:00:00 2001
From: Valentin Clement <clementval@gmail.com>
Date: Tue, 15 Jul 2025 14:12:57 -0700
Subject: [PATCH] [mlir][nvvm] Fix control reaches end of non-void function
 warning

---
 mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp b/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp
index eecca64c4bf81..b3577c6702389 100644
--- a/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp
+++ b/mlir/lib/Target/LLVMIR/Dialect/NVVM/NVVMToLLVMIRTranslation.cpp
@@ -118,6 +118,7 @@ static llvm::Intrinsic::ID getMatchSyncIntrinsicId(Type valType,
     return valType.isInteger(32) ? llvm::Intrinsic::nvvm_match_all_sync_i32p
                                  : llvm::Intrinsic::nvvm_match_all_sync_i64p;
   }
+  llvm_unreachable("unsupported match sync kind");
 }
 
 static llvm::Intrinsic::ID getVoteSyncIntrinsicId(NVVM::VoteSyncKind kind) {