Don't taint relaxed loads that immediately comes before an AcqRel read-modify-write op
[oota-llvm.git] / include / llvm / IR / Instructions.h
index 28e1fd9..cc6c259 100644 (file)
@@ -228,6 +228,14 @@ public:
   LoadInst(Value *Ptr, const char *NameStr, bool isVolatile,
            BasicBlock *InsertAtEnd);
 
+  bool getHasSubsequentAcqlRMW() {
+    return hasSubsequentAcqlRMW_;
+  }
+
+  void setHasSubsequentAcqlRMW(bool val) {
+    hasSubsequentAcqlRMW_ = val;
+  }
+
   /// isVolatile - Return true if this is a load from a volatile memory
   /// location.
   ///
@@ -306,6 +314,8 @@ private:
   void setInstructionSubclassData(unsigned short D) {
     Instruction::setInstructionSubclassData(D);
   }
+
+  bool hasSubsequentAcqlRMW_;
 };
 
 //===----------------------------------------------------------------------===//