[llvm-commits] [llvm] r74964 - in /llvm/trunk: lib/CodeGen/SelectionDAG/LegalizeVectorTypes.cpp test/CodeGen/X86/vec_compare.ll

Evan Cheng evan.cheng at apple.com
Tue Jul 7 22:47:39 PDT 2009


On Jul 7, 2009, at 7:16 PM, Eli Friedman wrote:

> On Tue, Jul 7, 2009 at 6:29 PM, Dan Gohman<gohman at apple.com> wrote:
>> EXTRACT_SUBVECTOR is normally used to extract a legal value from
>> an illegal one. The code above does the opposite, extracting a
>> potentially illegal value from a legal one.
>
> As far as I can tell, we support both cases properly in type
> legalization; what specific case breaks?

There shouldn't be any restriction, right? Why can we use it to  
extract legal value from legal or any other combinations?

Evan

>
> -Eli
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