diff options
Diffstat (limited to 'lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp')
| -rw-r--r-- | lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 78539d454e..1dde705bf5 100644 --- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp @@ -2751,11 +2751,19 @@ SelectionDAGLowering::visitIntrinsicCall(CallInst &I, unsigned Intrinsic) { case Intrinsic::eh_dwarf_cfa: { if (ExceptionHandling) { MVT::ValueType VT = getValue(I.getOperand(1)).getValueType(); + SDOperand CfaArg; + if (MVT::getSizeInBits(VT) > MVT::getSizeInBits(TLI.getPointerTy())) + CfaArg = DAG.getNode(ISD::TRUNCATE, + TLI.getPointerTy(), getValue(I.getOperand(1))); + else + CfaArg = DAG.getNode(ISD::SIGN_EXTEND, + TLI.getPointerTy(), getValue(I.getOperand(1))); + SDOperand Offset = DAG.getNode(ISD::ADD, TLI.getPointerTy(), DAG.getNode(ISD::FRAME_TO_ARGS_OFFSET, - VT), - getValue(I.getOperand(1))); + TLI.getPointerTy()), + CfaArg); setValue(&I, DAG.getNode(ISD::ADD, TLI.getPointerTy(), DAG.getNode(ISD::FRAMEADDR, |