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| author | Anton Korobeynikov <asl@math.spbu.ru> | 2007-08-23 07:21:06 +0000 |
|---|---|---|
| committer | Anton Korobeynikov <asl@math.spbu.ru> | 2007-08-23 07:21:06 +0000 |
| commit | 97cdac8d19d47edeef478c3738fcd429cdce7528 (patch) | |
| tree | ab1b0d99f1b6c30da080b13fd90c6736eee8a4d8 /llvm/lib | |
| parent | 10cb5e520f264abb558f1fa5e9b9cb76445f0675 (diff) | |
| download | bcm5719-llvm-97cdac8d19d47edeef478c3738fcd429cdce7528.tar.gz bcm5719-llvm-97cdac8d19d47edeef478c3738fcd429cdce7528.zip | |
Perform correct codegen for eh_dwarf_cfa intrinsic.
llvm-svn: 41316
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp index 78539d454ed..1dde705bf59 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp +++ b/llvm/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, |
