diff --git a/src/Transformations/FunctionPurifying/function_purifying.cpp b/src/Transformations/FunctionPurifying/function_purifying.cpp
index 2d26677..50f176f 100644
--- a/src/Transformations/FunctionPurifying/function_purifying.cpp
+++ b/src/Transformations/FunctionPurifying/function_purifying.cpp
@@ -30,7 +30,7 @@ using std::wstring;
 using std::make_pair;
 using std::to_string;
 
-static bool isIntrincis(const string& name);
+static bool isIntrinsic(const string& name);
 
 void insertIntrinsicStat(const vector<FuncInfo*>& allFuncInfo)
 {
@@ -61,7 +61,7 @@ void insertIntrinsicStat(const vector<FuncInfo*>& allFuncInfo)
             if (intrincis.find(name) != intrincis.end())
                 continue;
 
-            if (!isIntrincis(name))
+            if (!isIntrinsic(name))
                 continue;
 
             void* ptr = call.pointerDetailCallsFrom.first;
@@ -2003,7 +2003,7 @@ void moduleTransfer(const map<string, vector<FuncInfo*>>& allFuncInfo)
         createInterfaceBlockForToCalls(func);
 }
 
-static bool isIntrincis(const string& name)
+static bool isIntrinsic(const string& name)
 {
     static set<string> intrinsicF;
     if (intrinsicF.size() == 0)
@@ -2322,7 +2322,7 @@ static bool isIntrincis(const string& name)
 
 bool isPureIntrinsic(const string& name)
 {
-    if (!isIntrincis(name))
+    if (!isIntrinsic(name))
         return false;
 
     static const set<string> intrinsicsThatMayWriteActualArgs = {