diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/llvm/Target/TargetLowering.h | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/include/llvm/Target/TargetLowering.h b/include/llvm/Target/TargetLowering.h index b5c7e43858..f29f620697 100644 --- a/include/llvm/Target/TargetLowering.h +++ b/include/llvm/Target/TargetLowering.h @@ -713,14 +713,16 @@ public: /// \brief Determine if the target supports unaligned memory accesses. /// - /// This function returns true if the target allows unaligned memory accesses. - /// of the specified type. If true, it also returns whether the unaligned - /// memory access is "fast" in the second argument by reference. This is used, - /// for example, in situations where an array copy/move/set is converted to a - /// sequence of store operations. It's use helps to ensure that such - /// replacements don't generate code that causes an alignment error (trap) on - /// the target machine. - virtual bool allowsUnalignedMemoryAccesses(EVT, bool * /*Fast*/ = 0) const { + /// This function returns true if the target allows unaligned memory accesses + /// of the specified type in the given address space. If true, it also returns + /// whether the unaligned memory access is "fast" in the third argument by + /// reference. This is used, for example, in situations where an array + /// copy/move/set is converted to a sequence of store operations. Its use + /// helps to ensure that such replacements don't generate code that causes an + /// alignment error (trap) on the target machine. + virtual bool allowsUnalignedMemoryAccesses(EVT, + unsigned AddrSpace = 0, + bool * /*Fast*/ = 0) const { return false; } |