[cfe-commits] [PATCH] PR9214: convert InvokeInst API to use ArrayRef
jay.foad at gmail.com
Thu Apr 14 04:13:53 PDT 2011
The bugs says:
> Various LLVM APIs (such as the Constant*::get APIs, the
> GetElementPtrInst::Create methods, IRBuilder CreateGEP method, etc) that take
> multiple input values take std::vectors, and some now also can take a pointer
> to the start of an array and a count (for use with SmallVector). The new
> ArrayRef class subsumes both of these uses and is more convenient to use.
I had a look at the "IRBuilder CreateGEP method", and noticed that
there are several Instructions that could take ArrayRefs where they
currently take a pair of RandomAccessIterators, both in their own
constructors and Create() methods, and in the corresponding IRBuilder
API to create them. The Instructions in question are:
This patch just converts InvokeInst, because I thought it would be the
easiest one to start with.
I'm concerned about the amount of churn it causes. It touches more or
less every place that creates an InvokeInst. I expect there to be way
more churn with more common Instructions like CallInst and
GetElementPtrInst. Do we really want to cause this pain for all
clients of the LLVM APIs?
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