[LLVMdev] Vector code

[Chris Lattner]

On Thu, 8 May 2008, Nicolas Capens wrote:
> I'm trying to use LLVM to generate SIMD code at runtime (in particular Intel
> SSE). But I'm having a bit of trouble understanding how to create even the
> simplest function; adding two vectors of four single-precision
> floating-point elements. I can get it to add the elements one at a time but
> not using one vector instruction.

I'd suggest writing code in C and seeing what llvm-gcc does with it. 
You can also look at (for example) llvm/test/CodeGen/X86/*.ll for many 
examples.

-Chris

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