[PATCH] x86 avx: add isel pattern for (v2f64 (X86VBroadcast f64:$src))

[Akira Hatanaka]

Thanks, committed in r218431.

On Wed, Sep 24, 2014 at 5:28 PM, Chandler Carruth <chandlerc at google.com>
wrote:

> LGTM.
>
> On Wed, Sep 24, 2014 at 5:21 PM, Akira Hatanaka <ahatanak at gmail.com>
> wrote:
>
>> The attached patch adds a pattern for X86Broadcast. This is the error
>> message I'm currently seeing when I compile the test case:
>>
>>
>> LLVM ERROR: Cannot select: 0x7fda11827200: v2f64 = X86ISD::VBROADCAST
>> 0x7fda12024918 [ORD=2] [ID=14]
>>
>>   0x7fda12024918: f64,ch = load 0x7fda1150bcd0, 0x7fda12024600,
>> 0x7fda12025050<LD8[ConstantPool]> [ORD=2] [ID=12]
>>
>>     0x7fda12024600: i64 = X86ISD::WrapperRIP 0x7fda12024c30 [ID=10]
>>
>>       0x7fda12024c30: i64 = TargetConstantPool<double -1.000000e+00> 0
>> [ID=8]
>>
>>     0x7fda12025050: i64 = undef [ID=2]
>>
>> This fixes PR21050.
>>
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>>
>
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