MC: prevent early DCE of empty sections

[oota-llvm.git] / lib / IR / Instructions.cpp

diff --git a/lib/IR/Instructions.cpp b/lib/IR/Instructions.cpp
index 7d4761487ff6de465ff3696722779a53733cb1d8..592cdd85e87a5554100c6127d6bf8ba58afdf264 100644 (file)
--- a/lib/IR/Instructions.cpp
+++ b/lib/IR/Instructions.cpp
@@ -248,7 +248,7 @@ void LandingPadInst::growOperands(unsigned Size) {
   Use::zap(OldOps, OldOps + e, true);
 }
 
-void LandingPadInst::addClause(Value *Val) {
+void LandingPadInst::addClause(Constant *Val) {
   unsigned OpNo = getNumOperands();
   growOperands(1);
   assert(OpNo < ReservedSpace && "Growing didn't work!");
@@ -324,7 +324,7 @@ CallInst::CallInst(const CallInst &CI)
                 OperandTraits<CallInst>::op_end(this) - CI.getNumOperands(),
                 CI.getNumOperands()) {
   setAttributes(CI.getAttributes());
-  setTailCall(CI.isTailCall());
+  setTailCallKind(CI.getTailCallKind());
   setCallingConv(CI.getCallingConv());
     
   std::copy(CI.op_begin(), CI.op_end(), op_begin());
@@ -732,7 +732,7 @@ BranchInst::BranchInst(BasicBlock *IfTrue, Instruction *InsertBefore)
   : TerminatorInst(Type::getVoidTy(IfTrue->getContext()), Instruction::Br,
                    OperandTraits<BranchInst>::op_end(this) - 1,
                    1, InsertBefore) {
-  assert(IfTrue != 0 && "Branch destination may not be null!");
+  assert(IfTrue && "Branch destination may not be null!");
   Op<-1>() = IfTrue;
 }
 BranchInst::BranchInst(BasicBlock *IfTrue, BasicBlock *IfFalse, Value *Cond,
@@ -752,7 +752,7 @@ BranchInst::BranchInst(BasicBlock *IfTrue, BasicBlock *InsertAtEnd)
   : TerminatorInst(Type::getVoidTy(IfTrue->getContext()), Instruction::Br,
                    OperandTraits<BranchInst>::op_end(this) - 1,
                    1, InsertAtEnd) {
-  assert(IfTrue != 0 && "Branch destination may not be null!");
+  assert(IfTrue && "Branch destination may not be null!");
   Op<-1>() = IfTrue;
 }
 
@@ -1479,7 +1479,7 @@ ExtractElementInst::ExtractElementInst(Value *Val, Value *Index,
 
 
 bool ExtractElementInst::isValidOperands(const Value *Val, const Value *Index) {
-  if (!Val->getType()->isVectorTy() || !Index->getType()->isIntegerTy(32))
+  if (!Val->getType()->isVectorTy() || !Index->getType()->isIntegerTy())
     return false;
   return true;
 }
@@ -1526,7 +1526,7 @@ bool InsertElementInst::isValidOperands(const Value *Vec, const Value *Elt,
   if (Elt->getType() != cast<VectorType>(Vec->getType())->getElementType())
     return false;// Second operand of insertelement must be vector element type.
     
-  if (!Index->getType()->isIntegerTy(32))
+  if (!Index->getType()->isIntegerTy())
     return false;  // Third operand of insertelement must be i32.
   return true;
 }
@@ -3587,9 +3587,10 @@ InsertValueInst *InsertValueInst::clone_impl() const {
 }
 
 AllocaInst *AllocaInst::clone_impl() const {
-  return new AllocaInst(getAllocatedType(),
-                        (Value*)getOperand(0),
-                        getAlignment());
+  AllocaInst *Result = new AllocaInst(getAllocatedType(),
+                                      (Value *)getOperand(0), getAlignment());
+  Result->setUsedWithInAlloca(isUsedWithInAlloca());
+  return Result;
 }
 
 LoadInst *LoadInst::clone_impl() const {