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| author | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2018-07-25 17:08:13 +0000 |
|---|---|---|
| committer | Ulrich Weigand <ulrich.weigand@de.ibm.com> | 2018-07-25 17:08:13 +0000 |
| commit | 5f75371c5d0794cf2b92b18b5a97575b002b1ba7 (patch) | |
| tree | f302eb7bbc932b6c97cf09ce11fdc8cc7ced852f /llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | |
| parent | 7e7268ac1cff9616ff4891595f885ff9d2568757 (diff) | |
| download | bcm5719-llvm-5f75371c5d0794cf2b92b18b5a97575b002b1ba7.tar.gz bcm5719-llvm-5f75371c5d0794cf2b92b18b5a97575b002b1ba7.zip | |
Fix corruption of result number in LegalizeVectorOps.cpp
When VectorLegalizer::LegalizeOp creates a new SDValue after iterating
over its arguments, we need to refer to the same result number of the
new node that the original value used.
Reviewed by: cameron.mcinally
Differential Revision: https://reviews.llvm.org/D49805
llvm-svn: 337939
Diffstat (limited to 'llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp')
| -rw-r--r-- | llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp index ee2906f9e82..67928d4bdbd 100644 --- a/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp +++ b/llvm/lib/CodeGen/SelectionDAG/LegalizeVectorOps.cpp @@ -223,7 +223,8 @@ SDValue VectorLegalizer::LegalizeOp(SDValue Op) { for (const SDValue &Op : Node->op_values()) Ops.push_back(LegalizeOp(Op)); - SDValue Result = SDValue(DAG.UpdateNodeOperands(Op.getNode(), Ops), 0); + SDValue Result = SDValue(DAG.UpdateNodeOperands(Op.getNode(), Ops), + Op.getResNo()); bool HasVectorValue = false; if (Op.getOpcode() == ISD::LOAD) { |
