1 files changed, 6 insertions, 7 deletions

diff --git a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 155d65f127e..49eeeffab5f 100644
--- a/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/llvm/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -2283,27 +2283,26 @@ void SelectionDAGBuilder::visitSPDescriptorParent(StackProtectorDescriptor &SPD,
     GuardVal = TLI.emitStackGuardXorFP(DAG, GuardVal, dl);
 
   // Retrieve guard check function, nullptr if instrumentation is inlined.
-  if (const Value *GuardCheck = TLI.getSSPStackGuardCheck(M)) {
+  if (const Function *GuardCheckFn = TLI.getSSPStackGuardCheck(M)) {
     // The target provides a guard check function to validate the guard value.
     // Generate a call to that function with the content of the guard slot as
     // argument.
-    auto *Fn = cast<Function>(GuardCheck);
-    FunctionType *FnTy = Fn->getFunctionType();
+    FunctionType *FnTy = GuardCheckFn->getFunctionType();
     assert(FnTy->getNumParams() == 1 && "Invalid function signature");
 
     TargetLowering::ArgListTy Args;
     TargetLowering::ArgListEntry Entry;
     Entry.Node = GuardVal;
     Entry.Ty = FnTy->getParamType(0);
-    if (Fn->hasAttribute(1, Attribute::AttrKind::InReg))
+    if (GuardCheckFn->hasAttribute(1, Attribute::AttrKind::InReg))
       Entry.IsInReg = true;
     Args.push_back(Entry);
 
     TargetLowering::CallLoweringInfo CLI(DAG);
     CLI.setDebugLoc(getCurSDLoc())
-      .setChain(DAG.getEntryNode())
-      .setCallee(Fn->getCallingConv(), FnTy->getReturnType(),
-                 getValue(GuardCheck), std::move(Args));
+        .setChain(DAG.getEntryNode())
+        .setCallee(GuardCheckFn->getCallingConv(), FnTy->getReturnType(),
+                   getValue(GuardCheckFn), std::move(Args));
 
     std::pair<SDValue, SDValue> Result = TLI.LowerCallTo(CLI);
     DAG.setRoot(Result.second);