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Added MachineFunction parent* to MachineBasicBlock. Customized ilist template

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to set the parent when a MachineBasicBlock is added to a MachineFunction.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13716 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Tanya Lattner
2004-05-24 06:11:51 +00:00
parent 2b90565e3d
commit 792699c46e
4 changed files with 71 additions and 17 deletions
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29
lib/CodeGen/MachineBasicBlock.cpp
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@ -20,29 +20,25 @@
#include "Support/LeakDetector.h"
using namespace llvm;
const MachineFunction *MachineBasicBlock::getParent() const {
// Get the parent by getting the Function parent of the basic block, and
// getting the MachineFunction from it.
return &MachineFunction::get(getBasicBlock()->getParent());
}
MachineFunction *MachineBasicBlock::getParent() {
// Get the parent by getting the Function parent of the basic block, and
// getting the MachineFunction from it.
return &MachineFunction::get(getBasicBlock()->getParent());
}
// MBBs start out as #-1. When a MBB is added to a MachineFunction, it
// gets the next available unique MBB number. If it is removed from a
// MachineFunction, it goes back to being #-1.
void ilist_traits<MachineBasicBlock>::addNodeToList (MachineBasicBlock* N)
{
N->Number = N->getParent ()->getNextMBBNumber ();
assert(N->Parent == 0 && "machine instruction already in a basic block");
N->Parent = parent;
N->Number = parent->getNextMBBNumber();
LeakDetector::removeGarbageObject(N);
}
void ilist_traits<MachineBasicBlock>::removeNodeFromList (MachineBasicBlock* N)
{
assert(N->Parent != 0 && "machine instruction not in a basic block");
N->Parent = 0;
N->Number = -1;
LeakDetector::addGarbageObject(N);
}
@ -93,8 +89,13 @@ void MachineBasicBlock::dump() const
void MachineBasicBlock::print(std::ostream &OS) const
{
if(!getParent()) {
OS << "Can't print out MachineBasicBlock because parent MachineFunction is null\n";
return;
}
const BasicBlock *LBB = getBasicBlock();
OS << "\n" << LBB->getName() << " (" << (const void*)LBB << "):\n";
if(LBB)
OS << "\n" << LBB->getName() << " (" << (const void*)LBB << "):\n";
for (const_iterator I = begin(); I != end(); ++I) {
OS << "\t";
I->print(OS, getParent()->getTarget());