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Is there an easy way to know if, at a certain instruction, a certain value is usable or not? i.e., I am sure that if i use that value i don't to get the error "Instruction does not dominate all uses!" Thanks, GT -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.llvm.org/pipermail/llvm-dev/attachments/20130425/477fc259/attachment.html>

On 4/25/2013 11:52 AM, Giacomo Tagliabue wrote: > Is there an easy way to know if, at a certain instruction, a certain > value is usable or not? i.e., I am sure that if i use that value i don't > to get the error "Instruction does not dominate all uses!" Check if the block containing the definition dominates the block where you want to use the value. If this is the same

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