remove assert

Author: vikramRH

llvm/lib/Target/AMDGPU/AMDGPUAtomicOptimizer.cpp

@@ -775,7 +775,6 @@ void AMDGPUAtomicOptimizerImpl::optimizeAtomic(Instruction &I,
         // of each active lane in the wavefront. This will be our new value
         // which we will provide to the atomic operation.
         Value *const LastLaneIdx = B.getInt32(ST->getWavefrontSize() - 1);
-        assert(TyBitWidth == 32 || TyBitWidth == 64);
         NewV = B.CreateIntrinsic(Ty, Intrinsic::amdgcn_readlane,
                                  {NewV, LastLaneIdx});
       }