Re: Dead code elimination PROBLEM

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Thanks Marc for the quick replay , and sorry for the reposting it will not happen again.

How could i make the phi nodes can you give me a reference code ?
On 02/13/2014 02:16 AM, Marc Glisse wrote:
(please don't multi-post to gcc and gcc-help)

On Thu, 13 Feb 2014, chronicle wrote:

( do i need to make any kind of PHI nodes

Yes you do need PHI nodes. Why don't you compile a piece of C code that does exactly the same and see what the compiler turns it into? In particular, you will notice that there are never multiple _1=... statements.






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