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| author | Chris Lattner <sabre@nondot.org> | 2005-12-12 22:27:43 +0000 |
|---|---|---|
| committer | Chris Lattner <sabre@nondot.org> | 2005-12-12 22:27:43 +0000 |
| commit | b42ce7ca63f3376b4b1b7163cdc535fff85711c8 (patch) | |
| tree | 917245c23e110963947a196ea8748783fd830a31 /llvm/lib/CodeGen | |
| parent | 1b668bc808efd67ea7812b903c4bf5cbe757be0e (diff) | |
| download | bcm5719-llvm-b42ce7ca63f3376b4b1b7163cdc535fff85711c8.tar.gz bcm5719-llvm-b42ce7ca63f3376b4b1b7163cdc535fff85711c8.zip | |
Fix CodeGen/Generic/2005-12-12-ExpandSextInreg.ll
llvm-svn: 24677
Diffstat (limited to 'llvm/lib/CodeGen')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp index 620b6439c68..6896fb39e26 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp @@ -3196,6 +3196,16 @@ void SelectionDAGLegalize::ExpandOp(SDOperand Op, SDOperand &Lo, SDOperand &Hi){ Lo = LegalizeOp(Node->getOperand(0)); Hi = LegalizeOp(Node->getOperand(1)); break; + + case ISD::SIGN_EXTEND_INREG: + ExpandOp(Node->getOperand(0), Lo, Hi); + // Sign extend the lo-part. + Hi = DAG.getNode(ISD::SRA, NVT, Lo, + DAG.getConstant(MVT::getSizeInBits(NVT)-1, + TLI.getShiftAmountTy())); + // sext_inreg the low part if needed. + Lo = DAG.getNode(ISD::SIGN_EXTEND_INREG, NVT, Lo, Node->getOperand(1)); + break; case ISD::CTPOP: ExpandOp(Node->getOperand(0), Lo, Hi); |
