[llvm] 2a3ac7f - [NFC][IndVars] Add LLVM_DEBUG printout to replaceExitCond

[Max Kazantsev via llvm-commits]

Author: Max Kazantsev
Date: 2022-11-21T19:33:26+07:00
New Revision: 2a3ac7fd0c9e25ecad272243dabc155e348f2910

URL: https://github.com/llvm/llvm-project/commit/2a3ac7fd0c9e25ecad272243dabc155e348f2910
DIFF: https://github.com/llvm/llvm-project/commit/2a3ac7fd0c9e25ecad272243dabc155e348f2910.diff

LOG: [NFC][IndVars] Add LLVM_DEBUG printout to replaceExitCond

Added: 
    

Modified: 
    llvm/lib/Transforms/Scalar/IndVarSimplify.cpp

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
index fdc1232ad4fa..d9172b28ff7d 100644
--- a/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
+++ b/llvm/lib/Transforms/Scalar/IndVarSimplify.cpp
@@ -1292,6 +1292,8 @@ bool IndVarSimplify::sinkUnusedInvariants(Loop *L) {
 static void replaceExitCond(BranchInst *BI, Value *NewCond,
                             SmallVectorImpl<WeakTrackingVH> &DeadInsts) {
   auto *OldCond = BI->getCondition();
+  LLVM_DEBUG(dbgs() << "Replacing condition of loop-exiting branch " << *BI
+                    << " with " << *NewCond << "\n");
   BI->setCondition(NewCond);
   if (OldCond->use_empty())
     DeadInsts.emplace_back(OldCond);