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| author | Dan Gohman <gohman@apple.com> | 2008-03-24 16:38:05 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-03-24 16:38:05 +0000 |
| commit | d8ea040c310540e14ba9064f68744f79ef122cc0 (patch) | |
| tree | 8a3bc5ef84f6f530c72808dbaa162a4c4f5fd58c /llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | |
| parent | 3471ae8c5d3de87f5b064a3b0705830fc44bc328 (diff) | |
| download | bcm5719-llvm-d8ea040c310540e14ba9064f68744f79ef122cc0.tar.gz bcm5719-llvm-d8ea040c310540e14ba9064f68744f79ef122cc0.zip | |
APIntify SelectionDAG's EXTRACT_ELEMENT code.
llvm-svn: 48726
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp index 2f109a2018a..05f7edb47cc 100644 --- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAG.cpp @@ -2119,8 +2119,10 @@ SDOperand SelectionDAG::getNode(unsigned Opcode, MVT::ValueType VT, // EXTRACT_ELEMENT of a constant int is also very common. if (ConstantSDNode *C = dyn_cast<ConstantSDNode>(N1)) { - unsigned Shift = MVT::getSizeInBits(VT) * N2C->getValue(); - return getConstant(C->getValue() >> Shift, VT); + unsigned ElementSize = MVT::getSizeInBits(VT); + unsigned Shift = ElementSize * N2C->getValue(); + APInt ShiftedVal = C->getAPIntValue().lshr(Shift); + return getConstant(ShiftedVal.trunc(ElementSize), VT); } break; case ISD::EXTRACT_SUBVECTOR: |
