From c6646ebdb957a3c613d389be8b0135271b8b8ece Mon Sep 17 00:00:00 2001
From: Chris Lattner <sabre@nondot.org>
Date: Mon, 12 Jan 2004 19:10:58 +0000
Subject: [PATCH] Remove use of ConstantExpr::getShift

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10792 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Linker/LinkModules.cpp           | 6 ------
 lib/Transforms/Utils/Linker.cpp      | 6 ------
 lib/Transforms/Utils/Local.cpp       | 5 +----
 lib/Transforms/Utils/ValueMapper.cpp | 6 ------
 lib/VMCore/Linker.cpp                | 6 ------
 5 files changed, 1 insertion(+), 28 deletions(-)

diff --git a/lib/Linker/LinkModules.cpp b/lib/Linker/LinkModules.cpp
index af430bd70b7..457a8b97b65 100644
--- a/lib/Linker/LinkModules.cpp
+++ b/lib/Linker/LinkModules.cpp
@@ -324,12 +324,6 @@ static Value *RemapOperand(const Value *In,
         assert(CE->getOpcode() == Instruction::Cast);
         Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
         Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
-      } else if (CE->getOpcode() == Instruction::Shl ||
-                 CE->getOpcode() == Instruction::Shr) {      // Shift
-        Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
-        Value *V2 = RemapOperand(CE->getOperand(1), LocalMap, GlobalMap);
-        Result = ConstantExpr::getShift(CE->getOpcode(), cast<Constant>(V1),
-                                        cast<Constant>(V2));
       } else if (CE->getNumOperands() == 2) {
         // Binary operator...
         Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
diff --git a/lib/Transforms/Utils/Linker.cpp b/lib/Transforms/Utils/Linker.cpp
index af430bd70b7..457a8b97b65 100644
--- a/lib/Transforms/Utils/Linker.cpp
+++ b/lib/Transforms/Utils/Linker.cpp
@@ -324,12 +324,6 @@ static Value *RemapOperand(const Value *In,
         assert(CE->getOpcode() == Instruction::Cast);
         Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
         Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
-      } else if (CE->getOpcode() == Instruction::Shl ||
-                 CE->getOpcode() == Instruction::Shr) {      // Shift
-        Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
-        Value *V2 = RemapOperand(CE->getOperand(1), LocalMap, GlobalMap);
-        Result = ConstantExpr::getShift(CE->getOpcode(), cast<Constant>(V1),
-                                        cast<Constant>(V2));
       } else if (CE->getNumOperands() == 2) {
         // Binary operator...
         Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
diff --git a/lib/Transforms/Utils/Local.cpp b/lib/Transforms/Utils/Local.cpp
index b55b2eb77b4..11b6515967e 100644
--- a/lib/Transforms/Utils/Local.cpp
+++ b/lib/Transforms/Utils/Local.cpp
@@ -74,16 +74,13 @@ Constant *llvm::ConstantFoldInstruction(Instruction *I) {
   case 0: return 0;
   }
 
-  if (isa<BinaryOperator>(I))
+  if (isa<BinaryOperator>(I) || isa<ShiftInst>(I))
     return ConstantExpr::get(I->getOpcode(), Op0, Op1);    
 
   switch (I->getOpcode()) {
   default: return 0;
   case Instruction::Cast:
     return ConstantExpr::getCast(Op0, I->getType());
-  case Instruction::Shl:
-  case Instruction::Shr:
-    return ConstantExpr::getShift(I->getOpcode(), Op0, Op1);
   case Instruction::GetElementPtr:
     std::vector<Constant*> IdxList;
     IdxList.reserve(I->getNumOperands()-1);
diff --git a/lib/Transforms/Utils/ValueMapper.cpp b/lib/Transforms/Utils/ValueMapper.cpp
index 40dd58a1461..acc433a6ed2 100644
--- a/lib/Transforms/Utils/ValueMapper.cpp
+++ b/lib/Transforms/Utils/ValueMapper.cpp
@@ -83,12 +83,6 @@ Value *llvm::MapValue(const Value *V, std::map<const Value*, Value*> &VM) {
         for (unsigned i = 1, e = CE->getNumOperands(); i != e; ++i)
           Idx.push_back(cast<Constant>(MapValue(CE->getOperand(i), VM)));
         return VMSlot = ConstantExpr::getGetElementPtr(MV, Idx);
-      } else if (CE->getOpcode() == Instruction::Shl ||
-                 CE->getOpcode() == Instruction::Shr) {
-        assert(CE->getNumOperands() == 2 && "Must be a shift!");
-        Constant *MV1 = cast<Constant>(MapValue(CE->getOperand(0), VM));
-        Constant *MV2 = cast<Constant>(MapValue(CE->getOperand(1), VM));
-        return VMSlot = ConstantExpr::getShift(CE->getOpcode(), MV1, MV2);
       } else {
         assert(CE->getNumOperands() == 2 && "Must be binary operator?");
         Constant *MV1 = cast<Constant>(MapValue(CE->getOperand(0), VM));
diff --git a/lib/VMCore/Linker.cpp b/lib/VMCore/Linker.cpp
index af430bd70b7..457a8b97b65 100644
--- a/lib/VMCore/Linker.cpp
+++ b/lib/VMCore/Linker.cpp
@@ -324,12 +324,6 @@ static Value *RemapOperand(const Value *In,
         assert(CE->getOpcode() == Instruction::Cast);
         Value *V = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
         Result = ConstantExpr::getCast(cast<Constant>(V), CE->getType());
-      } else if (CE->getOpcode() == Instruction::Shl ||
-                 CE->getOpcode() == Instruction::Shr) {      // Shift
-        Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);
-        Value *V2 = RemapOperand(CE->getOperand(1), LocalMap, GlobalMap);
-        Result = ConstantExpr::getShift(CE->getOpcode(), cast<Constant>(V1),
-                                        cast<Constant>(V2));
       } else if (CE->getNumOperands() == 2) {
         // Binary operator...
         Value *V1 = RemapOperand(CE->getOperand(0), LocalMap, GlobalMap);