Displaying 2 results from an estimated 2 matches for "d58512".
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58512
2019 Feb 27
2
Dealing with illegal operand mappings in RegBankSelect
...case what do you do in here that we could maybe generalize?
>>>
>> Sorry, I mean report them as legal so they are left as-is with no copy inserted. I can see the operand is illegal and do everything needed in the target applyMappingImpl (first sample case is https://reviews.llvm.org/D58512 <https://reviews.llvm.org/D58512>)
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> Wow, that’s quite a lot of code to fix a couple of operands :)
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> Couldn’t we do that expansion as part of the selection of the “pseudo copy”?
That would require looking for all the uses of the copy and applying this to them. It’s really...
2019 Feb 26
3
Dealing with illegal operand mappings in RegBankSelect
> On Feb 21, 2019, at 12:18 AM, Quentin Colombet via llvm-dev <llvm-dev at lists.llvm.org> wrote:
>
> Hi Matt,
>
>> On Feb 20, 2019, at 4:49 PM, Arsenault, Matthew via llvm-dev <llvm-dev at lists.llvm.org <mailto:llvm-dev at lists.llvm.org>> wrote:
>>
>> Hi,
>>
>> Some operations on AMDGPU require operands which must be in a register