diff options
Diffstat (limited to 'llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp')
| -rw-r--r-- | llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp index 9c7055deaaf8..7c238a1099d8 100644 --- a/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp +++ b/llvm/lib/Target/ARM/ARMISelDAGToDAG.cpp @@ -79,6 +79,10 @@ public: void Select(SDNode *N) override; + /// Return true as some complex patterns, like those that call + /// canExtractShiftFromMul can modify the DAG inplace. + bool ComplexPatternFuncMutatesDAG() const override { return true; } + bool hasNoVMLxHazardUse(SDNode *N) const; bool isShifterOpProfitable(const SDValue &Shift, ARM_AM::ShiftOpc ShOpcVal, unsigned ShAmt); |