diff --git a/llvm/include/llvm/Transforms/Yk/ControlPoint.h b/llvm/include/llvm/Transforms/Yk/ControlPoint.h
index 4c3ebf363b9134..b9cbfa36bebab9 100644
--- a/llvm/include/llvm/Transforms/Yk/ControlPoint.h
+++ b/llvm/include/llvm/Transforms/Yk/ControlPoint.h
@@ -5,7 +5,7 @@
 
 // The name of the "dummy function" that the user puts in their interpreter
 // implementation and that we will replace with our own code.
-#define YK_DUMMY_CONTROL_POINT "yk_control_point"
+#define YK_DUMMY_CONTROL_POINT "yk_mt_control_point"
 
 // The name of the new control point replacing the user's dummy control point.
 #define YK_NEW_CONTROL_POINT "__ykrt_control_point"
diff --git a/llvm/lib/CodeGen/TargetPassConfig.cpp b/llvm/lib/CodeGen/TargetPassConfig.cpp
index 5c40fac4e67766..406c3c82bc33e0 100644
--- a/llvm/lib/CodeGen/TargetPassConfig.cpp
+++ b/llvm/lib/CodeGen/TargetPassConfig.cpp
@@ -247,7 +247,7 @@ static cl::opt<bool> YkBlockDisambiguate(
 static cl::opt<bool>
 YkPatchCtrlPoint("yk-patch-control-point",
   cl::init(false), cl::NotHidden,
-  cl::desc("Patch yk_control_point()"));
+  cl::desc("Patch yk_mt_control_point()"));
 
 /// Allow standard passes to be disabled by command line options. This supports
 /// simple binary flags that either suppress the pass or do nothing.
diff --git a/llvm/lib/Transforms/Yk/ControlPoint.cpp b/llvm/lib/Transforms/Yk/ControlPoint.cpp
index c1fb65dcf8f5ae..3c1c20a0ae4e4e 100644
--- a/llvm/lib/Transforms/Yk/ControlPoint.cpp
+++ b/llvm/lib/Transforms/Yk/ControlPoint.cpp
@@ -11,7 +11,7 @@
 // YkLocation loc = ...;
 // pc = 0;
 // while (...) {
-//     yk_control_point(mt, loc); // <- dummy control point
+//     yk_mt_control_point(mt, loc); // <- dummy control point
 //     bc = program[pc];
 //     switch (bc) {
 //         // bytecode handlers here.
@@ -75,12 +75,12 @@ using namespace llvm;
 /// could not be found.
 /// YKFIXME: For now assumes there's only one control point.
 CallInst *findControlPointCall(Module &M) {
-  // Find the declaration of `yk_control_point()`.
+  // Find the declaration of `yk_mt_control_point()`.
   Function *CtrlPoint = M.getFunction(YK_DUMMY_CONTROL_POINT);
   if (CtrlPoint == nullptr)
     return nullptr;
 
-  // Find the call site of `yk_control_point()`.
+  // Find the call site of `yk_mt_control_point()`.
   Value::user_iterator U = CtrlPoint->user_begin();
   if (U == CtrlPoint->user_end())
     return nullptr;
@@ -124,7 +124,7 @@ class YkControlPoint : public ModulePass {
     CallInst *OldCtrlPointCall = findControlPointCall(M);
     if (OldCtrlPointCall == nullptr) {
       Context.emitError(
-          "ykllvm couldn't find the call to `yk_control_point()`");
+          "ykllvm couldn't find the call to `yk_mt_control_point()`");
       return false;
     }
 
@@ -138,7 +138,7 @@ class YkControlPoint : public ModulePass {
           return L->contains(OldCtrlPointCall);
         })) {
       ;
-      Context.emitError("yk_control_point() must be called inside a loop.");
+      Context.emitError("yk_mt_control_point() must be called inside a loop.");
       return false;
     }