6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-07-21 18:29:45 +00:00
Code Issues Projects Releases Wiki Activity

Add support for promoting stores from one legal type to another, allowing us

Browse Source 
to write one pattern for vector stores instead of 4.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@27730 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-04-16 01:36:45 +00:00
parent b17f1679e3
commit 2efce0a589
1 changed files with 8 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -1544,6 +1544,13 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
Tmp1 = TLI.LowerOperation(Result, DAG);
if (Tmp1.Val) Result = Tmp1;
break;
case TargetLowering::Promote:
assert(MVT::isVector(VT) && "Unknown legal promote case!");
Tmp3 = DAG.getNode(ISD::BIT_CONVERT,
TLI.getTypeToPromoteTo(ISD::STORE, VT), Tmp3);
Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2,
Node->getOperand(3));
break;
}
break;
}
@ -1576,6 +1583,7 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
Tmp3 = PackVectorOp(Node->getOperand(1), TVT);
Result = DAG.UpdateNodeOperands(Result, Tmp1, Tmp3, Tmp2,
Node->getOperand(3));
Result = LegalizeOp(Result);
break;
} else if (NumElems == 1) {
// Turn this into a normal store of the scalar type.