Displaying 3 results from an estimated 3 matches for "eltnum".
2009 May 21
0
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
On Wed, May 20, 2009 at 4:55 PM, Dan Gohman <gohman at apple.com> wrote:
> Can you explain why you chose the approach of using a new pass?
> I pictured removing LegalizeDAG's type legalization code would
> mostly consist of finding all the places that use TLI.getTypeAction
> and just deleting code for handling its Expand and Promote. Are you
> anticipating something more
2009 May 20
2
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
On May 20, 2009, at 1:34 PM, Eli Friedman wrote:
> On Wed, May 20, 2009 at 1:19 PM, Eli Friedman
> <eli.friedman at gmail.com> wrote:
>
>> Per subject, this patch adding an additional pass to handle vector
>>
>> operations; the idea is that this allows removing the code from
>>
>> LegalizeDAG that handles illegal types, which should be a significant
2009 May 21
2
[LLVMdev] [PATCH] Add new phase to legalization to handle vector operations
...assert(Node->getOperand(0).getValueType() == NewVT &&
- "Concat of non-legal vectors not yet supported!");
- Result = Node->getOperand(0);
- break;
- case ISD::VECTOR_SHUFFLE: {
- // Figure out if the scalar is the LHS or RHS and return it.
- SDValue EltNum = Node->getOperand(2).getOperand(0);
- if (cast<ConstantSDNode>(EltNum)->getZExtValue())
- Result = ScalarizeVectorOp(Node->getOperand(1));
- else
- Result = ScalarizeVectorOp(Node->getOperand(0));
- break;
- }
- case ISD::EXTRACT_SUBVECTOR:
- Result = DAG....