<div dir="ltr"><div>Hi Bala,</div><div><br></div>For register allocation this might help :<div><a href="https://github.com/nael8r/How-To-Write-An-LLVM-Register-Allocator/blob/master/HowToWriteAnLLVMRegisterAllocator.rst">https://github.com/nael8r/How-To-Write-An-LLVM-Register-Allocator/blob/master/HowToWriteAnLLVMRegisterAllocator.rst</a><br></div><div><br></div><div>-Vivek</div></div>