6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2024-08-18 12:29:21 +00:00
Code Issues Projects Releases Wiki Activity

Allow target to custom lower READCYCLECOUNTER (when it doesn't have to be expanded).

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@32016 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2006-11-29 08:26:18 +00:00
parent b27c480d84
commit f0b3ba6752
1 changed files with 10 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@ -1847,11 +1847,19 @@ SDOperand SelectionDAGLegalize::LegalizeOp(SDOperand Op) {
case ISD::READCYCLECOUNTER:
Tmp1 = LegalizeOp(Node->getOperand(0)); // Legalize the chain
Result = DAG.UpdateNodeOperands(Result, Tmp1);
switch (TLI.getOperationAction(ISD::READCYCLECOUNTER,
Node->getValueType(0))) {
default: assert(0 && "This action is not supported yet!");
case TargetLowering::Legal: break;
case TargetLowering::Custom:
Result = TLI.LowerOperation(Result, DAG);
break;
}
// Since rdcc produce two values, make sure to remember that we legalized
// both of them.
AddLegalizedOperand(SDOperand(Node, 0), Result.getValue(0));
AddLegalizedOperand(SDOperand(Node, 1), Result.getValue(1));
AddLegalizedOperand(SDOperand(Node, 0), LegalizeOp(Result.getValue(0)));
AddLegalizedOperand(SDOperand(Node, 1), LegalizeOp(Result.getValue(1)));
return Result;
case ISD::SELECT: