[LLVMdev] convert switch stmts to If statements

[Nadav Rotem]

There is also the LowerSwitch pass that converts switch instructions to a sequence of branches. 

On May 6, 2013, at 1:24 PM, George Baah <georgebaah at gmail.com> wrote:

> I mean an llvm Pass that transforms switch statements into if statements. For example, if I have code with switch statements then running the pass will convert all switches to ifs in the bytecode.
> 
> George
> 
> 
> On Mon, May 6, 2013 at 4:20 PM, Hal Finkel <hfinkel at anl.gov> wrote:
> ----- Original Message -----
> > From: "George Baah" <georgebaah at gmail.com>
> > To: "LLVM Developers Mailing List" <llvmdev at cs.uiuc.edu>
> > Sent: Monday, May 6, 2013 3:09:33 PM
> > Subject: [LLVMdev] convert switch stmts to If statements
> >
> >
> >
> >
> > Hi All, Is there a pass in llvm that converts switch statements to if
> > statements?
> >
> 
> What do you mean by convert? SelectionDAGBuilder::visitSwitch in lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp converts the switch statements for code generation either into indirect jump tables or into binary-search trees (which I suppose you could call if statements).
> 
>  -Hal
> 
> >
> > George
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> 
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