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API changes for class Use size reduction, wave 1.

Browse Source 
Specifically, introduction of XXX::Create methods
for Users that have a potentially variable number of
Uses.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49277 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Gabor Greif
2008-04-06 20:25:17 +00:00
parent d963ab1f58
commit 051a950000
73 changed files with 979 additions and 692 deletions
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10
lib/VMCore/BasicBlock.cpp
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@ -35,6 +35,10 @@ namespace {
/// DummyInst - An instance of this class is used to mark the end of the
/// instruction list. This is not a real instruction.
struct VISIBILITY_HIDDEN DummyInst : public Instruction {
// allocate space for exactly zero operands
void *operator new(size_t s) {
return User::operator new(s, 0);
}
DummyInst() : Instruction(Type::VoidTy, OtherOpsEnd, 0, 0) {
// This should not be garbage monitored.
LeakDetector::removeGarbageObject(this);
@ -71,7 +75,7 @@ template class SymbolTableListTraits<Instruction, BasicBlock>;
BasicBlock::BasicBlock(const std::string &Name, Function *NewParent,
BasicBlock *InsertBefore, BasicBlock *Dest)
: User(Type::LabelTy, Value::BasicBlockVal, &unwindDest, 0), Parent(0) {
: User(Type::LabelTy, Value::BasicBlockVal, &unwindDest, 0/*FIXME*/), Parent(0) {
// Make sure that we get added to a function
LeakDetector::addGarbageObject(this);
@ -283,14 +287,14 @@ BasicBlock *BasicBlock::splitBasicBlock(iterator I, const std::string &BBName) {
assert(I != InstList.end() &&
"Trying to get me to create degenerate basic block!");
BasicBlock *New = new BasicBlock(BBName, getParent(), getNext());
BasicBlock *New = new(0/*FIXME*/) BasicBlock(BBName, getParent(), getNext());
// Move all of the specified instructions from the original basic block into
// the new basic block.
New->getInstList().splice(New->end(), this->getInstList(), I, end());
// Add a branch instruction to the newly formed basic block.
new BranchInst(New, this);
BranchInst::Create(New, this);
// Now we must loop through all of the successors of the New block (which
// _were_ the successors of the 'this' block), and update any PHI nodes in