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Manage MachineFunctions with an analysis Pass instead of the Annotable

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mechanism. To support this, make MachineFunctionPass a little more
complete.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@77654 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-07-31 01:52:50 +00:00
parent 376cd007ec
commit 933c762371
18 changed files with 187 additions and 136 deletions
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lib/CodeGen/LiveVariables.cpp
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@ -48,6 +48,7 @@ static RegisterPass<LiveVariables> X("livevars", "Live Variable Analysis");
void LiveVariables::getAnalysisUsage(AnalysisUsage &AU) const {
AU.addRequiredID(UnreachableMachineBlockElimID);
AU.setPreservesAll();
MachineFunctionPass::getAnalysisUsage(AU);
}
void LiveVariables::VarInfo::dump() const {