[LLVMdev] [Patch] Fix SSE2 packing intrinsics return type

Eli Friedman eli.friedman at gmail.com
Wed Jun 10 13:23:20 PDT 2009

On Wed, Jun 10, 2009 at 5:54 AM, Nicolas Capens<nicolas at capens.net> wrote:
> What exactly do mean by an AutoUpgrade patch?

See lib/VMCore/AutoUpgrade.cpp.

> I don't see how this could cause any issues with backward compatibility.
> People currently using these intrinsics need a bitcast of the result to
> avoid an assert, and with the patch applied the bitcast is no longer
> necessary.

The issue isn't source-code compatibility (which we don't care about
anyway), but rather bitcode compatibility.


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