[MachineInstr] Add mayLoadOrStore API. NFC.

llvm-svn: 237955

1 files changed, 5 insertions, 1 deletions

diff --git a/llvm/include/llvm/CodeGen/MachineInstr.h b/llvm/include/llvm/CodeGen/MachineInstr.h
index c5f11c31b2b..e57257c76bc 100644
--- a/llvm/include/llvm/CodeGen/MachineInstr.h
+++ b/llvm/include/llvm/CodeGen/MachineInstr.h
@@ -560,7 +560,6 @@ public:
     return hasProperty(MCID::MayLoad, Type);
   }
 
-
   /// Return true if this instruction could possibly modify memory.
   /// Instructions with this flag set are not necessarily simple store
   /// instructions, they may store a modified value based on their operands, or
@@ -574,6 +573,11 @@ public:
     return hasProperty(MCID::MayStore, Type);
   }
 
+  /// Return true if this instruction could possibly read or modify memory.
+  bool mayLoadOrStore(QueryType Type = AnyInBundle) const {
+    return mayLoad(Type) || mayStore(Type);
+  }
+
   //===--------------------------------------------------------------------===//
   // Flags that indicate whether an instruction can be modified by a method.
   //===--------------------------------------------------------------------===//