diff options
Diffstat (limited to 'llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h')
| -rw-r--r-- | llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h index fadbcc63845..0f79e019300 100644 --- a/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h +++ b/llvm/lib/Target/AMDGPU/AMDGPUISelLowering.h @@ -110,9 +110,23 @@ protected: SDValue getLoHalf64(SDValue Op, SelectionDAG &DAG) const; SDValue getHiHalf64(SDValue Op, SelectionDAG &DAG) const; + /// Split a vector type into two parts. The first part is a power of two + /// vector. The second part is whatever is left over, and is a scalar if it + /// would otherwise be a 1-vector. + std::pair<EVT, EVT> getSplitDestVTs(const EVT &VT, SelectionDAG &DAG) const; + + /// Split a vector value into two parts of types LoVT and HiVT. HiVT could be + /// scalar. + std::pair<SDValue, SDValue> splitVector(const SDValue &N, const SDLoc &DL, + const EVT &LoVT, const EVT &HighVT, + SelectionDAG &DAG) const; + /// Split a vector load into 2 loads of half the vector. SDValue SplitVectorLoad(SDValue Op, SelectionDAG &DAG) const; + /// Widen a vector load from vec3 to vec4. + SDValue WidenVectorLoad(SDValue Op, SelectionDAG &DAG) const; + /// Split a vector store into 2 stores of half the vector. SDValue SplitVectorStore(SDValue Op, SelectionDAG &DAG) const; |
