diff options
Diffstat (limited to 'llvm/lib/Target')
| -rw-r--r-- | llvm/lib/Target/X86/X86ISelDAGToDAG.cpp | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp index fff6bb8571e..df7f1fc524b 100644 --- a/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp +++ b/llvm/lib/Target/X86/X86ISelDAGToDAG.cpp @@ -1375,6 +1375,7 @@ static bool foldMaskAndShiftToExtract(SelectionDAG &DAG, SDValue N, insertDAGNode(DAG, N, ShlCount); insertDAGNode(DAG, N, Shl); DAG.ReplaceAllUsesWith(N, Shl); + DAG.RemoveDeadNode(N.getNode()); AM.IndexReg = And; AM.Scale = (1 << ScaleLog); return false; @@ -1441,6 +1442,7 @@ static bool foldMaskedShiftToScaledMask(SelectionDAG &DAG, SDValue N, insertDAGNode(DAG, N, NewAnd); insertDAGNode(DAG, N, NewShift); DAG.ReplaceAllUsesWith(N, NewShift); + DAG.RemoveDeadNode(N.getNode()); AM.Scale = 1 << ShiftAmt; AM.IndexReg = NewAnd; @@ -1551,6 +1553,7 @@ static bool foldMaskAndShiftToScale(SelectionDAG &DAG, SDValue N, insertDAGNode(DAG, N, NewSHLAmt); insertDAGNode(DAG, N, NewSHL); DAG.ReplaceAllUsesWith(N, NewSHL); + DAG.RemoveDeadNode(N.getNode()); AM.Scale = 1 << AMShiftAmt; AM.IndexReg = NewSRL; @@ -1609,6 +1612,7 @@ static bool foldMaskedShiftToBEXTR(SelectionDAG &DAG, SDValue N, insertDAGNode(DAG, N, NewSHLAmt); insertDAGNode(DAG, N, NewSHL); DAG.ReplaceAllUsesWith(N, NewSHL); + DAG.RemoveDeadNode(N.getNode()); AM.Scale = 1 << AMShiftAmt; AM.IndexReg = NewAnd; @@ -1940,6 +1944,7 @@ bool X86DAGToDAGISel::matchAddressRecursively(SDValue N, X86ISelAddressMode &AM, insertDAGNode(*CurDAG, N, Zext); insertDAGNode(*CurDAG, N, NewShl); CurDAG->ReplaceAllUsesWith(N, NewShl); + CurDAG->RemoveDeadNode(N.getNode()); return false; } } |
