diff --git a/llvm/lib/AsmParser/LLParser.cpp b/llvm/lib/AsmParser/LLParser.cpp
index 855c5d2..20d9606 100644
--- a/llvm/lib/AsmParser/LLParser.cpp
+++ b/llvm/lib/AsmParser/LLParser.cpp
@@ -6815,7 +6815,6 @@
   AtomicOrdering Ordering = AtomicOrdering::NotAtomic;
   SyncScope::ID SSID = SyncScope::System;
   bool isVolatile = false;
-  bool IsFP = false;
   AtomicRMWInst::BinOp Operation;
 
   if (EatIfPresent(lltok::kw_volatile))
@@ -6834,14 +6833,6 @@
   case lltok::kw_min: Operation = AtomicRMWInst::Min; break;
   case lltok::kw_umax: Operation = AtomicRMWInst::UMax; break;
   case lltok::kw_umin: Operation = AtomicRMWInst::UMin; break;
-  case lltok::kw_fadd:
-    Operation = AtomicRMWInst::FAdd;
-    IsFP = true;
-    break;
-  case lltok::kw_fsub:
-    Operation = AtomicRMWInst::FSub;
-    IsFP = true;
-    break;
   }
   Lex.Lex();  // Eat the operation.
 
@@ -6858,25 +6849,18 @@
   if (cast<PointerType>(Ptr->getType())->getElementType() != Val->getType())
     return Error(ValLoc, "atomicrmw value and pointer type do not match");
 
-  if (Operation == AtomicRMWInst::Xchg) {
-    if (!Val->getType()->isIntegerTy() &&
-        !Val->getType()->isFloatingPointTy()) {
-      return Error(ValLoc, "atomicrmw " +
-                   AtomicRMWInst::getOperationName(Operation) +
-                   " operand must be an integer or floating point type");
-    }
-  } else if (IsFP) {
-    if (!Val->getType()->isFloatingPointTy()) {
-      return Error(ValLoc, "atomicrmw " +
-                   AtomicRMWInst::getOperationName(Operation) +
-                   " operand must be a floating point type");
-    }
-  } else {
-    if (!Val->getType()->isIntegerTy()) {
-      return Error(ValLoc, "atomicrmw " +
-                   AtomicRMWInst::getOperationName(Operation) +
-                   " operand must be an integer");
-    }
+  if (Operation != AtomicRMWInst::Xchg && !Val->getType()->isIntegerTy()) {
+    return Error(ValLoc, "atomicrmw " +
+                 AtomicRMWInst::getOperationName(Operation) +
+                 " operand must be an integer");
+  }
+
+  if (Operation == AtomicRMWInst::Xchg &&
+      !Val->getType()->isIntegerTy() &&
+      !Val->getType()->isFloatingPointTy()) {
+    return Error(ValLoc, "atomicrmw " +
+                 AtomicRMWInst::getOperationName(Operation) +
+                 " operand must be an integer or floating point type");
   }
 
   unsigned Size = Val->getType()->getPrimitiveSizeInBits();