From: Xin Tong <trent.xin.tong@gmail.com>
Date: Wed, 3 May 2017 20:37:07 +0000 (+0000)
Subject: [TailCallElim] Remove an unused argument. NFCI
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=2b3efc4c39439b14038d78e324d91c5cbd141f90;p=llvm

[TailCallElim] Remove an unused argument. NFCI

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@302080 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/TailRecursionElimination.cpp b/lib/Transforms/Scalar/TailRecursionElimination.cpp
index a6b9fee1d8a..bf54a51c763 100644
--- a/lib/Transforms/Scalar/TailRecursionElimination.cpp
+++ b/lib/Transforms/Scalar/TailRecursionElimination.cpp
@@ -492,11 +492,10 @@ static CallInst *findTRECandidate(Instruction *TI,
   return CI;
 }
 
-static bool eliminateRecursiveTailCall(CallInst *CI, ReturnInst *Ret,
-                                       BasicBlock *&OldEntry,
-                                       bool &TailCallsAreMarkedTail,
-                                       SmallVectorImpl<PHINode *> &ArgumentPHIs,
-                                       bool CannotTailCallElimCallsMarkedTail) {
+static bool
+eliminateRecursiveTailCall(CallInst *CI, ReturnInst *Ret, BasicBlock *&OldEntry,
+                           bool &TailCallsAreMarkedTail,
+                           SmallVectorImpl<PHINode *> &ArgumentPHIs) {
   // If we are introducing accumulator recursion to eliminate operations after
   // the call instruction that are both associative and commutative, the initial
   // value for the accumulator is placed in this variable.  If this value is set
@@ -707,8 +706,7 @@ static bool foldReturnAndProcessPred(BasicBlock *BB, ReturnInst *Ret,
         BB->eraseFromParent();
 
       eliminateRecursiveTailCall(CI, RI, OldEntry, TailCallsAreMarkedTail,
-                                 ArgumentPHIs,
-                                 CannotTailCallElimCallsMarkedTail);
+                                 ArgumentPHIs);
       ++NumRetDuped;
       Change = true;
     }
@@ -727,8 +725,7 @@ static bool processReturningBlock(ReturnInst *Ret, BasicBlock *&OldEntry,
     return false;
 
   return eliminateRecursiveTailCall(CI, Ret, OldEntry, TailCallsAreMarkedTail,
-                                    ArgumentPHIs,
-                                    CannotTailCallElimCallsMarkedTail);
+                                    ArgumentPHIs);
 }
 
 static bool eliminateTailRecursion(Function &F, const TargetTransformInfo *TTI) {