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Don't hang on to pointers or references after vector::push_back.

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The MO reference to a MachineOperand can be invalidated by
MachineInstr::addOperand. Don't even use it for debugging.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@90381 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2009-12-03 01:49:56 +00:00
parent fd82af0f95
commit 15d75d9f11
1 changed files with 3 additions and 6 deletions
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9
lib/CodeGen/PostRASchedulerList.cpp
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@ -510,12 +510,9 @@ void SchedulePostRATDList::FixupKills(MachineBasicBlock *MBB) {
} }
if (MO.isKill() != kill) { if (MO.isKill() != kill) {
bool removed = ToggleKillFlag(MI, MO); DEBUG(errs() << "Fixing " << MO << " in ");
if (removed) { // Warning: ToggleKillFlag may invalidate MO.
DEBUG(errs() << "Fixed <removed> in "); ToggleKillFlag(MI, MO);
} else {
DEBUG(errs() << "Fixed " << MO << " in ");
}
DEBUG(MI->dump()); DEBUG(MI->dump());
} }