[LLVMdev] callinst vs. invokeinst

[Chris Lattner]

On Mon, 30 Oct 2006, Ryan M. Lefever wrote:
> What is the difference between a CallInst and an InvokeInst in LLVM?  Is
> an InvokeInst a CallInst that can throw an exception?

They both allow the callee to throw an exception.  Invoke is used when a 
callee is calling a function and wants to stop unwinding if it throws.

Some references:

http://llvm.org/docs/LangRef.html#i_invoke
http://llvm.org/pubs/2004-01-30-CGO-LLVM.html

-Chris

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