From 0e10f1284455aaa54cbcad145238ecedd0d57e48 Mon Sep 17 00:00:00 2001
From: Chuanqi Xu <yedeng.yd@linux.alibaba.com>
Date: Wed, 8 Jun 2022 15:45:21 +0800
Subject: [PATCH] [NFC] Remove commented cerr debugging loggings

There are some unused cerr debugging loggings in the codes. It is weird
to remain such commented debug helpers in the product.
---
 llvm/lib/Analysis/MemoryDependenceAnalysis.cpp        | 2 --
 llvm/lib/Analysis/PHITransAddr.cpp                    | 3 ---
 llvm/lib/CodeGen/CodeGenPrepare.cpp                   | 1 -
 llvm/lib/Transforms/IPO/GlobalOpt.cpp                 | 4 ----
 llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp | 1 -
 5 files changed, 11 deletions(-)

diff --git a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
index 78383d5..690d575 100644
--- a/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
+++ b/llvm/lib/Analysis/MemoryDependenceAnalysis.cpp
@@ -734,8 +734,6 @@ MemoryDependenceResults::getNonLocalCallDependency(CallBase *QueryCall) {
     llvm::sort(Cache);
 
     ++NumCacheDirtyNonLocal;
-    // cerr << "CACHED CASE: " << DirtyBlocks.size() << " dirty: "
-    //     << Cache.size() << " cached: " << *QueryInst;
   } else {
     // Seed DirtyBlocks with each of the preds of QueryInst's block.
     BasicBlock *QueryBB = QueryCall->getParent();
diff --git a/llvm/lib/Analysis/PHITransAddr.cpp b/llvm/lib/Analysis/PHITransAddr.cpp
index 6e908bc..b78a85d 100644
--- a/llvm/lib/Analysis/PHITransAddr.cpp
+++ b/llvm/lib/Analysis/PHITransAddr.cpp
@@ -34,9 +34,6 @@ static bool CanPHITrans(Instruction *Inst) {
       isa<ConstantInt>(Inst->getOperand(1)))
     return true;
 
-  //   cerr << "MEMDEP: Could not PHI translate: " << *Pointer;
-  //   if (isa<BitCastInst>(PtrInst) || isa<GetElementPtrInst>(PtrInst))
-  //     cerr << "OP:\t\t\t\t" << *PtrInst->getOperand(0);
   return false;
 }
 
diff --git a/llvm/lib/CodeGen/CodeGenPrepare.cpp b/llvm/lib/CodeGen/CodeGenPrepare.cpp
index aaf97066..339d4a3 100644
--- a/llvm/lib/CodeGen/CodeGenPrepare.cpp
+++ b/llvm/lib/CodeGen/CodeGenPrepare.cpp
@@ -4806,7 +4806,6 @@ bool AddressingModeMatcher::matchAddr(Value *Addr, unsigned Depth) {
       }
 
       // It isn't profitable to do this, roll back.
-      //cerr << "NOT FOLDING: " << *I;
       AddrMode = BackupAddrMode;
       AddrModeInsts.resize(OldSize);
       TPT.rollback(LastKnownGood);
diff --git a/llvm/lib/Transforms/IPO/GlobalOpt.cpp b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
index 1868273..dc286ea 100644
--- a/llvm/lib/Transforms/IPO/GlobalOpt.cpp
+++ b/llvm/lib/Transforms/IPO/GlobalOpt.cpp
@@ -608,17 +608,14 @@ static bool AllUsesOfValueWillTrapIfNull(const Value *V,
       // Will trap.
     } else if (const StoreInst *SI = dyn_cast<StoreInst>(U)) {
       if (SI->getOperand(0) == V) {
-        //cerr << "NONTRAPPING USE: " << *U;
         return false;  // Storing the value.
       }
     } else if (const CallInst *CI = dyn_cast<CallInst>(U)) {
       if (CI->getCalledOperand() != V) {
-        //cerr << "NONTRAPPING USE: " << *U;
         return false;  // Not calling the ptr
       }
     } else if (const InvokeInst *II = dyn_cast<InvokeInst>(U)) {
       if (II->getCalledOperand() != V) {
-        //cerr << "NONTRAPPING USE: " << *U;
         return false;  // Not calling the ptr
       }
     } else if (const BitCastInst *CI = dyn_cast<BitCastInst>(U)) {
@@ -642,7 +639,6 @@ static bool AllUsesOfValueWillTrapIfNull(const Value *V,
       // the comparing of the value of the created global init bool later in
       // optimizeGlobalAddressOfAllocation for the global variable.
     } else {
-      //cerr << "NONTRAPPING USE: " << *U;
       return false;
     }
   }
diff --git a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
index 683d197..cd03d6b 100644
--- a/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
+++ b/llvm/lib/Transforms/Utils/ScalarEvolutionExpander.cpp
@@ -1632,7 +1632,6 @@ Value *SCEVExpander::visitAddRecExpr(const SCEVAddRecExpr *S) {
     NewS = Ext;
 
   const SCEV *V = cast<SCEVAddRecExpr>(NewS)->evaluateAtIteration(IH, SE);
-  //cerr << "Evaluated: " << *this << "\n     to: " << *V << "\n";
 
   // Truncate the result down to the original type, if needed.
   const SCEV *T = SE.getTruncateOrNoop(V, Ty);
-- 
2.7.4