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strength reduce MMI::MappedLabel to MMI::isLabelDeleted,

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and add a FIXME about how we are eventually going to zap this
lookup table once mc world domination is complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@98031 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner
2010-03-09 01:51:43 +00:00
parent 23071ce80b
commit a34ec2290f
5 changed files with 34 additions and 33 deletions
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11
include/llvm/CodeGen/MachineModuleInfo.h
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@ -222,13 +222,14 @@ public:
LabelIDList[LabelID - 1] = 0;
}
/// MappedLabel - Find out the label's final ID. Zero indicates deletion.
/// ID != Mapped ID indicates that the label was folded into another label.
unsigned MappedLabel(unsigned LabelID) const {
/// isLabelDeleted - Return true if the label was deleted.
/// FIXME: This should eventually be eliminated and use the 'is emitted' bit
/// on MCSymbol.
bool isLabelDeleted(unsigned LabelID) const {
assert(LabelID <= LabelIDList.size() && "Debug label ID out of range.");
return LabelID ? LabelIDList[LabelID - 1] : 0;
return LabelID == 0 || LabelIDList[LabelID - 1] == 0;
}
/// getFrameMoves - Returns a reference to a list of moves done in the current
/// function's prologue. Used to construct frame maps for debug and exception
/// handling comsumers.