From 975716af1b9a09274df6c2d92683449015bd8564 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Mon, 16 May 2011 22:19:54 +0000
Subject: [PATCH] Delete unused variables.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@131430 91177308-0d34-0410-b5e6-96231b3b80d8
---
 include/llvm/CodeGen/SelectionDAG.h           |  2 +-
 lib/CodeGen/SelectionDAG/LegalizeDAG.cpp      | 12 +++++-------
 lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp |  2 +-
 3 files changed, 7 insertions(+), 9 deletions(-)

diff --git a/include/llvm/CodeGen/SelectionDAG.h b/include/llvm/CodeGen/SelectionDAG.h
index 92fd0c9e1cc..0b4f32dd32c 100644
--- a/include/llvm/CodeGen/SelectionDAG.h
+++ b/include/llvm/CodeGen/SelectionDAG.h
@@ -284,7 +284,7 @@ public:
   ///
   /// Note that this is an involved process that may invalidate pointers into
   /// the graph.
-  void Legalize(CodeGenOpt::Level OptLevel);
+  void Legalize();
 
   /// LegalizeVectors - This transforms the SelectionDAG into a SelectionDAG
   /// that only uses vector math operations supported by the target.  This is
diff --git a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
index 316efc594d8..a9f5730f4d6 100644
--- a/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
@@ -50,7 +50,6 @@ class SelectionDAGLegalize {
   const TargetMachine &TM;
   const TargetLowering &TLI;
   SelectionDAG &DAG;
-  CodeGenOpt::Level OptLevel;
 
   // Libcall insertion helpers.
 
@@ -86,7 +85,7 @@ class SelectionDAGLegalize {
   }
 
 public:
-  SelectionDAGLegalize(SelectionDAG &DAG, CodeGenOpt::Level ol);
+  explicit SelectionDAGLegalize(SelectionDAG &DAG);
 
   /// getTypeAction - Return how we should legalize values of this type, either
   /// it is already legal or we need to expand it into multiple registers of
@@ -219,10 +218,9 @@ SelectionDAGLegalize::ShuffleWithNarrowerEltType(EVT NVT, EVT VT,  DebugLoc dl,
   return DAG.getVectorShuffle(NVT, dl, N1, N2, &NewMask[0]);
 }
 
-SelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag,
-                                           CodeGenOpt::Level ol)
+SelectionDAGLegalize::SelectionDAGLegalize(SelectionDAG &dag)
   : TM(dag.getTarget()), TLI(dag.getTargetLoweringInfo()),
-    DAG(dag), OptLevel(ol),
+    DAG(dag),
     ValueTypeActions(TLI.getValueTypeActions()) {
   assert(MVT::LAST_VALUETYPE <= MVT::MAX_ALLOWED_VALUETYPE &&
          "Too many value types for ValueTypeActions to hold!");
@@ -3745,8 +3743,8 @@ void SelectionDAGLegalize::PromoteNode(SDNode *Node,
 
 // SelectionDAG::Legalize - This is the entry point for the file.
 //
-void SelectionDAG::Legalize(CodeGenOpt::Level OptLevel) {
+void SelectionDAG::Legalize() {
   /// run - This is the main entry point to this class.
   ///
-  SelectionDAGLegalize(*this, OptLevel).LegalizeDAG();
+  SelectionDAGLegalize(*this).LegalizeDAG();
 }
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
index 592a11526cb..a7453c64ddd 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
@@ -537,7 +537,7 @@ void SelectionDAGISel::CodeGenAndEmitDAG() {
 
   {
     NamedRegionTimer T("DAG Legalization", GroupName, TimePassesIsEnabled);
-    CurDAG->Legalize(OptLevel);
+    CurDAG->Legalize();
   }
 
   DEBUG(dbgs() << "Legalized selection DAG: BB#" << BlockNumber