[llvm] f041757 - [NFC][JumpThreading] Increment 'NumFolds' statistic all places terminator becomes uncond

[Roman Lebedev via llvm-commits]

Author: Roman Lebedev
Date: 2021-04-10T21:24:29+03:00
New Revision: f041757e9c2f7e343f5c4458797ee97687096020

URL: https://github.com/llvm/llvm-project/commit/f041757e9c2f7e343f5c4458797ee97687096020
DIFF: https://github.com/llvm/llvm-project/commit/f041757e9c2f7e343f5c4458797ee97687096020.diff

LOG: [NFC][JumpThreading] Increment 'NumFolds' statistic all places terminator becomes uncond

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/JumpThreading.cpp b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
index 92b33f08e6fc..6c8d2439e7f8 100644
--- a/llvm/lib/Transforms/Scalar/JumpThreading.cpp
+++ b/llvm/lib/Transforms/Scalar/JumpThreading.cpp
@@ -1110,6 +1110,7 @@ bool JumpThreadingPass::processBlock(BasicBlock *BB) {
     LLVM_DEBUG(dbgs() << "  In block '" << BB->getName()
                       << "' folding undef terminator: " << *BBTerm << '\n');
     BranchInst::Create(BBTerm->getSuccessor(BestSucc), BBTerm);
+    ++NumFolds;
     BBTerm->eraseFromParent();
     DTU->applyUpdatesPermissive(Updates);
     if (FI)
@@ -1165,6 +1166,7 @@ bool JumpThreadingPass::processBlock(BasicBlock *BB) {
         BranchInst *UncondBr =
           BranchInst::Create(CondBr->getSuccessor(ToKeep), CondBr);
         UncondBr->setDebugLoc(CondBr->getDebugLoc());
+        ++NumFolds;
         CondBr->eraseFromParent();
         if (CondCmp->use_empty())
           CondCmp->eraseFromParent();
@@ -1280,6 +1282,7 @@ bool JumpThreadingPass::processImpliedCondition(BasicBlock *BB) {
       RemoveSucc->removePredecessor(BB);
       BranchInst *UncondBI = BranchInst::Create(KeepSucc, BI);
       UncondBI->setDebugLoc(BI->getDebugLoc());
+      ++NumFolds;
       BI->eraseFromParent();
       DTU->applyUpdatesPermissive({{DominatorTree::Delete, BB, RemoveSucc}});
       if (HasProfileData)
@@ -1729,6 +1732,7 @@ bool JumpThreadingPass::processThreadableEdges(Value *Cond, BasicBlock *BB,
       // Finally update the terminator.
       Instruction *Term = BB->getTerminator();
       BranchInst::Create(OnlyDest, Term);
+      ++NumFolds;
       Term->eraseFromParent();
       DTU->applyUpdatesPermissive(Updates);
       if (HasProfileData)