diff options
Diffstat (limited to 'include/llvm/Target/TargetLowering.h')
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 42 |
1 files changed, 34 insertions, 8 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index a536e004c0ea..277487fee6bc 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -1235,11 +1235,10 @@ protected: HasExtractBitsInsn = hasExtractInsn; } - /// Tells the code generator not to expand sequence of operations into a - /// separate sequences that increases the amount of flow control. - void setJumpIsExpensive(bool isExpensive = true) { - JumpIsExpensive = isExpensive; - } + /// Tells the code generator not to expand logic operations on comparison + /// predicates into separate sequences that increase the amount of flow + /// control. + void setJumpIsExpensive(bool isExpensive = true); /// Tells the code generator that integer divide is expensive, and if /// possible, should be replaced by an alternate sequence of instructions not @@ -1597,6 +1596,35 @@ public: return false; } + /// \brief Get the maximum supported factor for interleaved memory accesses. + /// Default to be the minimum interleave factor: 2. + virtual unsigned getMaxSupportedInterleaveFactor() const { return 2; } + + /// \brief Lower an interleaved load to target specific intrinsics. Return + /// true on success. + /// + /// \p LI is the vector load instruction. + /// \p Shuffles is the shufflevector list to DE-interleave the loaded vector. + /// \p Indices is the corresponding indices for each shufflevector. + /// \p Factor is the interleave factor. + virtual bool lowerInterleavedLoad(LoadInst *LI, + ArrayRef<ShuffleVectorInst *> Shuffles, + ArrayRef<unsigned> Indices, + unsigned Factor) const { + return false; + } + + /// \brief Lower an interleaved store to target specific intrinsics. Return + /// true on success. + /// + /// \p SI is the vector store instruction. + /// \p SVI is the shufflevector to RE-interleave the stored vector. + /// \p Factor is the interleave factor. + virtual bool lowerInterleavedStore(StoreInst *SI, ShuffleVectorInst *SVI, + unsigned Factor) const { + return false; + } + /// Return true if zero-extending the specific node Val to type VT2 is free /// (either because it's implicitly zero-extended such as ARM ldrb / ldrh or /// because it's folded such as X86 zero-extending loads). @@ -2689,8 +2717,6 @@ public: //===--------------------------------------------------------------------===// // Div utility functions // - SDValue BuildExactSDIV(SDValue Op1, SDValue Op2, SDLoc dl, - SelectionDAG &DAG) const; SDValue BuildSDIV(SDNode *N, const APInt &Divisor, SelectionDAG &DAG, bool IsAfterLegalization, std::vector<SDNode *> *Created) const; @@ -2801,6 +2827,6 @@ void GetReturnInfo(Type* ReturnType, AttributeSet attr, SmallVectorImpl<ISD::OutputArg> &Outs, const TargetLowering &TLI); -} // namespace llvm +} // end llvm namespace #endif |