LLVM insert opcode before instruction

Question

I want to insert specific opcode before BasicBlock terminator, in my case before ReturnInst.

It is possible?

Example:

TerminatorInst* terminator = BasicBlock->getTerminator();
if (isa<ReturnInst>(terminator))  
{
//Insert opcode here.    
}

Answer 1

Problem solved by using llvm::InlineAsm

llvm::InlineAsm *AsmCode = llvm::InlineAsm::get(Asm, nopInstruction, "", true, false, llvm::InlineAsm::AD_Intel);

where Asm - llvm::FunctionType, nopInstruction - llvm::StringRef(char*)