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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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12
lib/CodeGen/MachineModuleInfo.cpp
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@ -185,7 +185,8 @@ void MachineModuleInfo::addCleanup(MachineBasicBlock *LandingPad) {
void MachineModuleInfo::TidyLandingPads() {
for (unsigned i = 0; i != LandingPads.size(); ) {
LandingPadInfo &LandingPad = LandingPads[i];
LandingPad.LandingPadLabel = MappedLabel(LandingPad.LandingPadLabel);
if (isLabelDeleted(LandingPad.LandingPadLabel))
LandingPad.LandingPadLabel = 0;
// Special case: we *should* emit LPs with null LP MBB. This indicates
// "nounwind" case.
@ -195,17 +196,14 @@ void MachineModuleInfo::TidyLandingPads() {
}
for (unsigned j=0; j != LandingPads[i].BeginLabels.size(); ) {
unsigned BeginLabel = MappedLabel(LandingPad.BeginLabels[j]);
unsigned EndLabel = MappedLabel(LandingPad.EndLabels[j]);
if (!BeginLabel || !EndLabel) {
unsigned BeginLabel = LandingPad.BeginLabels[j];
unsigned EndLabel = LandingPad.EndLabels[j];
if (isLabelDeleted(BeginLabel) || isLabelDeleted(EndLabel)) {
LandingPad.BeginLabels.erase(LandingPad.BeginLabels.begin() + j);
LandingPad.EndLabels.erase(LandingPad.EndLabels.begin() + j);
continue;
}
LandingPad.BeginLabels[j] = BeginLabel;
LandingPad.EndLabels[j] = EndLabel;
++j;
}