Displaying 3 results from an estimated 3 matches for "srclo".
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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
...return LegalizeOp(NV);
- break; // The target decided this was legal after all
- }
- }
-
- // Expand the source, then glue it back together for the call. We must expand
- // the source in case it is shared (this pass of legalize must traverse it).
- if (ExpandSource) {
- SDValue SrcLo, SrcHi;
- ExpandOp(Source, SrcLo, SrcHi);
- Source = DAG.getNode(ISD::BUILD_PAIR, dl, SourceVT, SrcLo, SrcHi);
- }
-
- RTLIB::Libcall LC = isSigned ?
- RTLIB::getSINTTOFP(SourceVT, DestTy) :
- RTLIB::getUINTTOFP(SourceVT, DestTy);
- assert(LC != RTLIB::UNKNOWN_LIBCALL && &quo...