From 383b5f6b91914454a9a8a6d829b4eeb714c75113 Mon Sep 17 00:00:00 2001
From: Dan Gohman <gohman@apple.com>
Date: Sat, 17 Apr 2010 15:32:28 +0000
Subject: [PATCH] Delete now-unnecessary const_casts.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@101637 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/CodeGen/SelectionDAG/SelectionDAG.cpp        |  2 +-
 lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp | 14 +++++++-------
 lib/Target/Alpha/AlphaRegisterInfo.cpp           |  7 +++----
 3 files changed, 11 insertions(+), 12 deletions(-)

diff --git a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
index 8c10cc29d89..989293d45ac 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAG.cpp
@@ -5361,7 +5361,7 @@ HandleSDNode::~HandleSDNode() {
 GlobalAddressSDNode::GlobalAddressSDNode(unsigned Opc, const GlobalValue *GA,
                                          EVT VT, int64_t o, unsigned char TF)
   : SDNode(Opc, DebugLoc(), getSDVTList(VT)), Offset(o), TargetFlags(TF) {
-  TheGlobal = const_cast<GlobalValue*>(GA);
+  TheGlobal = GA;
 }
 
 MemSDNode::MemSDNode(unsigned Opc, DebugLoc dl, SDVTList VTs, EVT memvt,
diff --git a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
index 256308c4961..fea8377a0bd 100644
--- a/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
+++ b/lib/CodeGen/SelectionDAG/SelectionDAGBuilder.cpp
@@ -639,25 +639,25 @@ SDValue SelectionDAGBuilder::getValue(const Value *V) {
   SDValue &N = NodeMap[V];
   if (N.getNode()) return N;
 
-  if (Constant *C = const_cast<Constant*>(dyn_cast<Constant>(V))) {
+  if (const Constant *C = dyn_cast<Constant>(V)) {
     EVT VT = TLI.getValueType(V->getType(), true);
 
-    if (ConstantInt *CI = dyn_cast<ConstantInt>(C))
+    if (const ConstantInt *CI = dyn_cast<ConstantInt>(C))
       return N = DAG.getConstant(*CI, VT);
 
-    if (GlobalValue *GV = dyn_cast<GlobalValue>(C))
+    if (const GlobalValue *GV = dyn_cast<GlobalValue>(C))
       return N = DAG.getGlobalAddress(GV, VT);
 
     if (isa<ConstantPointerNull>(C))
       return N = DAG.getConstant(0, TLI.getPointerTy());
 
-    if (ConstantFP *CFP = dyn_cast<ConstantFP>(C))
+    if (const ConstantFP *CFP = dyn_cast<ConstantFP>(C))
       return N = DAG.getConstantFP(*CFP, VT);
 
     if (isa<UndefValue>(C) && !V->getType()->isAggregateType())
       return N = DAG.getUNDEF(VT);
 
-    if (ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
+    if (const ConstantExpr *CE = dyn_cast<ConstantExpr>(C)) {
       visit(CE->getOpcode(), *CE);
       SDValue N1 = NodeMap[V];
       assert(N1.getNode() && "visit didn't populate the NodeMap!");
@@ -705,7 +705,7 @@ SDValue SelectionDAGBuilder::getValue(const Value *V) {
                                 getCurDebugLoc());
     }
 
-    if (BlockAddress *BA = dyn_cast<BlockAddress>(C))
+    if (const BlockAddress *BA = dyn_cast<BlockAddress>(C))
       return DAG.getBlockAddress(BA, VT);
 
     const VectorType *VecTy = cast<VectorType>(V->getType());
@@ -714,7 +714,7 @@ SDValue SelectionDAGBuilder::getValue(const Value *V) {
     // Now that we know the number and type of the elements, get that number of
     // elements into the Ops array based on what kind of constant it is.
     SmallVector<SDValue, 16> Ops;
-    if (ConstantVector *CP = dyn_cast<ConstantVector>(C)) {
+    if (const ConstantVector *CP = dyn_cast<ConstantVector>(C)) {
       for (unsigned i = 0; i != NumElements; ++i)
         Ops.push_back(getValue(CP->getOperand(i)));
     } else {
diff --git a/lib/Target/Alpha/AlphaRegisterInfo.cpp b/lib/Target/Alpha/AlphaRegisterInfo.cpp
index cd7772486d3..c083d8c30b1 100644
--- a/lib/Target/Alpha/AlphaRegisterInfo.cpp
+++ b/lib/Target/Alpha/AlphaRegisterInfo.cpp
@@ -212,15 +212,14 @@ void AlphaRegisterInfo::emitPrologue(MachineFunction &MF) const {
 
   //handle GOP offset
   BuildMI(MBB, MBBI, dl, TII.get(Alpha::LDAHg), Alpha::R29)
-    .addGlobalAddress(const_cast<Function*>(MF.getFunction()))
+    .addGlobalAddress(MF.getFunction())
     .addReg(Alpha::R27).addImm(++curgpdist);
   BuildMI(MBB, MBBI, dl, TII.get(Alpha::LDAg), Alpha::R29)
-    .addGlobalAddress(const_cast<Function*>(MF.getFunction()))
+    .addGlobalAddress(MF.getFunction())
     .addReg(Alpha::R29).addImm(curgpdist);
 
-  //evil const_cast until MO stuff setup to handle const
   BuildMI(MBB, MBBI, dl, TII.get(Alpha::ALTENT))
-    .addGlobalAddress(const_cast<Function*>(MF.getFunction()));
+    .addGlobalAddress(MF.getFunction());
 
   // Get the number of bytes to allocate from the FrameInfo
   long NumBytes = MFI->getStackSize();