diff options
Diffstat (limited to 'lib/Target/X86/X86ISelLowering.h')
-rw-r--r-- | lib/Target/X86/X86ISelLowering.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/Target/X86/X86ISelLowering.h b/lib/Target/X86/X86ISelLowering.h index 1026480..d978676 100644 --- a/lib/Target/X86/X86ISelLowering.h +++ b/lib/Target/X86/X86ISelLowering.h @@ -424,12 +424,14 @@ namespace llvm { /// probably because the source does not need to be loaded. If /// 'NonScalarIntSafe' is true, that means it's safe to return a /// non-scalar-integer type, e.g. empty string source, constant, or loaded - /// from memory. It returns EVT::Other if SelectionDAG should be responsible - /// for determining it. + /// from memory. 'MemcpyStrSrc' indicates whether the memcpy source is + /// constant so it does not need to be loaded. + /// It returns EVT::Other if SelectionDAG should be responsible for + /// determining the type. virtual EVT - getOptimalMemOpType(uint64_t Size, - unsigned DstAlign, unsigned SrcAlign, - bool NonScalarIntSafe, SelectionDAG &DAG) const; + getOptimalMemOpType(uint64_t Size, unsigned DstAlign, unsigned SrcAlign, + bool NonScalarIntSafe, bool MemcpyStrSrc, + SelectionDAG &DAG) const; /// allowsUnalignedMemoryAccesses - Returns true if the target allows /// unaligned memory accesses. of the specified type. |