PATCH: WIP SLPVectorize: Enable vectorization of allocas

[Matt Arsenault]

+// FIXME: How to determine this?
+static AllocaInst* derivedFromAlloca(Value *Ptr) {
+  return dyn_cast<AllocaInst>(Ptr);
+}

I think what you're looking for here is GetUnderlyingObject, and checking
if it's an AllocaInst


On Thu, Oct 24, 2013 at 9:02 PM, Tom Stellard <tom at stellard.net> wrote:

> Hi,
>
> As a follow up to this discussion:
> http://lists.cs.uiuc.edu/pipermail/llvmdev/2013-October/066780.html
>
> I put together a very simple patch that begins to implement the
> transformation
> mentioned in the llvm-dev thread.  The patch is incomplete and is mostly
> comments
> with question about how to do certain things, but it does work for the
> simple test case included in the patch.
>
> I'd appreciate any feedback people can give me on this patch and the
> questions posed in the comments.
>
> Thanks,
> Tom
>
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>
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