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make machine operands fatter: give each one an up-pointer to the

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machineinstr that owns it.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45449 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2007-12-30 06:11:04 +00:00
parent 271000d545
commit e12d6abfdf
3 changed files with 21 additions and 6 deletions
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lib/CodeGen/MachineInstr.cpp
+7 -1
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@@ -85,8 +85,10 @@ MachineInstr::MachineInstr(const MachineInstr &MI) {
Operands.reserve(MI.getNumOperands());
// Add operands
for (unsigned i = 0; i != MI.getNumOperands(); ++i)
for (unsigned i = 0; i != MI.getNumOperands(); ++i) {
Operands.push_back(MI.getOperand(i));
Operands.back().ParentMI = this;
}
// Set parent, next, and prev to null
parent = 0;
@@ -97,6 +99,10 @@ MachineInstr::MachineInstr(const MachineInstr &MI) {
MachineInstr::~MachineInstr() {
LeakDetector::removeGarbageObject(this);
#ifndef NDEBUG
for (unsigned i = 0, e = Operands.size(); i != e; ++i)
assert(Operands[i].ParentMI == this && "ParentMI mismatch!");
#endif
}
/// getOpcode - Returns the opcode of this MachineInstr.