From: Daniel Berlin <dberlin@dberlin.org>
Date: Sun, 19 Mar 2017 00:07:27 +0000 (+0000)
Subject: NewGVN: Remove dead code (for now)
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=bc40428e38c3ca7597020e714c3651943e04537c;p=llvm

NewGVN: Remove dead code (for now)

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@298198 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Transforms/Scalar/NewGVN.cpp b/lib/Transforms/Scalar/NewGVN.cpp
index cefbbc92f82..e7a14e23fa9 100644
--- a/lib/Transforms/Scalar/NewGVN.cpp
+++ b/lib/Transforms/Scalar/NewGVN.cpp
@@ -294,8 +294,6 @@ class NewGVN {
   BitVector TouchedInstructions;
 
   DenseMap<const BasicBlock *, std::pair<unsigned, unsigned>> BlockInstRange;
-  DenseMap<const DomTreeNode *, std::pair<unsigned, unsigned>>
-      DominatedInstRange;
 
 #ifndef NDEBUG
   // Debugging for how many times each block and instruction got processed.
@@ -1730,7 +1728,6 @@ void NewGVN::cleanupTables() {
   DFSToInstr.clear();
   BlockInstRange.clear();
   TouchedInstructions.clear();
-  DominatedInstRange.clear();
   MemoryAccessToClass.clear();
   PredicateToUsers.clear();
 }
@@ -2112,7 +2109,6 @@ bool NewGVN::runGVN() {
   }
 
   TouchedInstructions.resize(ICount);
-  DominatedInstRange.reserve(F.size());
   // Ensure we don't end up resizing the expressionToClass map, as
   // that can be quite expensive. At most, we have one expression per
   // instruction.