diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
-rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 72ee750..4a89578 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -450,8 +450,8 @@ void SelectionDAGLowering::visitRet(ReturnInst &I) { case MVT::f64: break; // No extension needed! } - - DAG.setRoot(DAG.getNode(ISD::RET, MVT::Other, getRoot(), Op1)); + // Allow targets to lower this further to meet ABI requirements + DAG.setRoot(TLI.LowerReturnTo(getRoot(), Op1, DAG)); } void SelectionDAGLowering::visitBr(BranchInst &I) { @@ -898,6 +898,11 @@ MachineBasicBlock *TargetLowering::InsertAtEndOfBasicBlock(MachineInstr *MI, return 0; } +SDOperand TargetLowering::LowerReturnTo(SDOperand Chain, SDOperand Op, + SelectionDAG &DAG) { + return DAG.getNode(ISD::RET, MVT::Other, Chain, Op); +} + SDOperand TargetLowering::LowerVAStart(SDOperand Chain, SDOperand VAListP, Value *VAListV, SelectionDAG &DAG) { |