1 files changed, 7 insertions, 0 deletions
diff --git a/llvm/lib/Target/X86/X86ISelLowering.cpp b/llvm/lib/Target/X86/X86ISelLowering.cpp
index 84e5677d6c1..90bee41e35d 100644
--- a/llvm/lib/Target/X86/X86ISelLowering.cpp
+++ b/llvm/lib/Target/X86/X86ISelLowering.cpp
@@ -1412,6 +1412,13 @@ X86TargetLowering::getOptimalMemOpType(uint64_t Size,
   return MVT::i32;
 }
 
+bool
+X86TargetLowering::allowsUnalignedMemoryAccesses(EVT VT, bool *Fast) const {
+  if (Fast)
+    *Fast = Subtarget->isUnalignedMemAccessFast();
+  return true;
+}
+
 /// getJumpTableEncoding - Return the entry encoding for a jump table in the
 /// current function.  The returned value is a member of the
 /// MachineJumpTableInfo::JTEntryKind enum.