diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Target/R600/SIISelLowering.cpp | 20 | ||||
| -rw-r--r-- | llvm/lib/Target/R600/SIISelLowering.h | 6 |
2 files changed, 26 insertions, 0 deletions
diff --git a/llvm/lib/Target/R600/SIISelLowering.cpp b/llvm/lib/Target/R600/SIISelLowering.cpp index a4d4195edde..c3405e10453 100644 --- a/llvm/lib/Target/R600/SIISelLowering.cpp +++ b/llvm/lib/Target/R600/SIISelLowering.cpp @@ -274,6 +274,26 @@ bool SITargetLowering::allowsMisalignedMemoryAccesses(EVT VT, return VT.bitsGT(MVT::i32); } +EVT SITargetLowering::getOptimalMemOpType(uint64_t Size, unsigned DstAlign, + unsigned SrcAlign, bool IsMemset, + bool ZeroMemset, + bool MemcpyStrSrc, + MachineFunction &MF) const { + // FIXME: Should account for address space here. + + // The default fallback uses the private pointer size as a guess for a type to + // use. Make sure we switch these to 64-bit accesses. + + if (Size >= 16 && DstAlign >= 4) // XXX: Should only do for global + return MVT::v4i32; + + if (Size >= 8 && DstAlign >= 4) + return MVT::v2i32; + + // Use the default. + return MVT::Other; +} + TargetLoweringBase::LegalizeTypeAction SITargetLowering::getPreferredVectorAction(EVT VT) const { if (VT.getVectorNumElements() != 1 && VT.getScalarType().bitsLE(MVT::i16)) diff --git a/llvm/lib/Target/R600/SIISelLowering.h b/llvm/lib/Target/R600/SIISelLowering.h index d03bc864148..93e97c32357 100644 --- a/llvm/lib/Target/R600/SIISelLowering.h +++ b/llvm/lib/Target/R600/SIISelLowering.h @@ -63,6 +63,12 @@ public: unsigned Align, bool *IsFast) const override; + EVT getOptimalMemOpType(uint64_t Size, unsigned DstAlign, + unsigned SrcAlign, bool IsMemset, + bool ZeroMemset, + bool MemcpyStrSrc, + MachineFunction &MF) const override; + TargetLoweringBase::LegalizeTypeAction getPreferredVectorAction(EVT VT) const override; |
