Changes in directory llvm/lib/Target/PowerPC:
PPCISelLowering.cpp updated: 1.151 -> 1.152 --- Log message: Fix a crash when faced with a shuffle vector that has an undef in its mask. --- Diffs of the changes: (+5 -1) PPCISelLowering.cpp | 6 +++++- 1 files changed, 5 insertions(+), 1 deletion(-) Index: llvm/lib/Target/PowerPC/PPCISelLowering.cpp diff -u llvm/lib/Target/PowerPC/PPCISelLowering.cpp:1.151 llvm/lib/Target/PowerPC/PPCISelLowering.cpp:1.152 --- llvm/lib/Target/PowerPC/PPCISelLowering.cpp:1.151 Fri Apr 14 18:19:08 2006 +++ llvm/lib/Target/PowerPC/PPCISelLowering.cpp Sat Apr 15 18:48:05 2006 @@ -1116,7 +1116,11 @@ std::vector<SDOperand> ResultMask; for (unsigned i = 0, e = PermMask.getNumOperands(); i != e; ++i) { - unsigned SrcElt =cast<ConstantSDNode>(PermMask.getOperand(i))->getValue(); + unsigned SrcElt; + if (PermMask.getOperand(i).getOpcode() == ISD::UNDEF) + SrcElt = 0; + else + SrcElt = cast<ConstantSDNode>(PermMask.getOperand(i))->getValue(); for (unsigned j = 0; j != BytesPerElement; ++j) ResultMask.push_back(DAG.getConstant(SrcElt*BytesPerElement+j, _______________________________________________ llvm-commits mailing list llvm-commits@cs.uiuc.edu http://lists.cs.uiuc.edu/mailman/listinfo/llvm-commits