[llvm] e4a1af3 - [MergeICmps] Remove unused NumMerged variable

[Nikita Popov via llvm-commits]

Author: Nikita Popov
Date: 2021-09-21T21:43:25+02:00
New Revision: e4a1af37249d93f265bbdb052af0a687ffccaf02

URL: https://github.com/llvm/llvm-project/commit/e4a1af37249d93f265bbdb052af0a687ffccaf02
DIFF: https://github.com/llvm/llvm-project/commit/e4a1af37249d93f265bbdb052af0a687ffccaf02.diff

LOG: [MergeICmps] Remove unused NumMerged variable

Added: 
    

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

Removed: 
    


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diff  --git a/llvm/lib/Transforms/Scalar/MergeICmps.cpp b/llvm/lib/Transforms/Scalar/MergeICmps.cpp
index 0ad1ef337908..aac0deea5be3 100644
--- a/llvm/lib/Transforms/Scalar/MergeICmps.cpp
+++ b/llvm/lib/Transforms/Scalar/MergeICmps.cpp
@@ -669,11 +669,9 @@ bool BCECmpChain::simplify(const TargetLibraryInfo &TLI, AliasAnalysis &AA,
 
   // Effectively merge blocks. We go in the reverse direction from the phi block
   // so that the next block is always available to branch to.
-  int NumMerged = 1;
   BasicBlock *InsertBefore = EntryBlock_;
   BasicBlock *NextCmpBlock = Phi_.getParent();
   for (const auto &Blocks : reverse(MergedBlocks_)) {
-    NumMerged += Blocks.size() - 1;
     InsertBefore = NextCmpBlock = mergeComparisons(
         Blocks, InsertBefore, NextCmpBlock, Phi_, TLI, AA, DTU);
   }