[LLVMdev] where are my phi-nodes?

[Pedro Ferreira]

They have been converted into stores. If you want PHI nodes to appear,
try running the "mem2reg" pass with "opt -mem2reg test.ll -S".

On Fri, 2010-09-10 at 13:27 +0200, Maarten Faddegon wrote:
> Hi,
> 
> I am interested in SSA and read llvm uses SSA in its ir. I decided to
> write a simple program and compile it with llvm to the human readable
> assembly language representation of the ir. I expected phi nodes all
> over the place. However, I could not find a single one! Could you tell
> my why that is so?
> 
> I compiled with "llvm-gcc -emit-llvm test.c -S -o test.ll". Attached
> to this message are the source and the resulting ll output.
> 
> Thanks in advance,
> 
>   Maarten Faddegon
> 
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