fix comment

Author: shiltian

llvm/lib/Target/AMDGPU/AMDGPUAttributor.cpp

@@ -1323,7 +1323,7 @@ struct AAAMDGPUClusterDims
   /// This function should return true if the type of the \p AA is
   /// AAAMDGPUClusterDims.
   static bool classof(const AbstractAttribute *AA) {
-    return (AA->getIdAddr() == &ID);
+    return AA->getIdAddr() == &ID;
   }
 
   virtual const AMDGPU::ClusterDimsAttr &getClusterDims() const = 0;
@@ -1358,7 +1358,7 @@ struct AAAMDGPUClusterDimsFunction : public AAAMDGPUClusterDims {
       return "unknown";
     if (Attr.isNoCluster())
       return "no";
-    if (Attr.isVariableedDims())
+    if (Attr.isVariableDims())
       return "variable";
     return Attr.to_string();
   }

llvm/lib/Target/AMDGPU/Utils/AMDGPUBaseInfo.h

@@ -1827,7 +1827,7 @@ class ClusterDimsAttr {
 
   bool isFixedDims() const { return getKind() == Kind::FixedDims; }
 
-  bool isVariableedDims() const { return getKind() == Kind::VariableDims; }
+  bool isVariableDims() const { return getKind() == Kind::VariableDims; }
 
   void setUnknown() { *this = ClusterDimsAttr(Kind::Unknown); }