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* Add implementation of ExtractBasicBlock()

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* Add comments to ExtractLoop()

llvm-svn: 12053
This commit is contained in:
Misha Brukman 2004-03-01 18:28:34 +00:00
parent f68f121dd3
commit 5af2be7d09
1 changed files with 10 additions and 0 deletions
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10
llvm/lib/Transforms/Utils/CodeExtractor.cpp
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@ -566,8 +566,18 @@ Function *CodeExtractor::ExtractCodeRegion(const std::vector<BasicBlock*> &code)
return newFunction;
}
/// ExtractBasicBlock - slurp a natural loop into a brand new function
///
Function* llvm::ExtractLoop(Loop *L) {
CodeExtractor CE;
return CE.ExtractCodeRegion(L->getBlocks());
}
/// ExtractBasicBlock - slurp a basic block into a brand new function
///
Function* llvm::ExtractBasicBlock(BasicBlock *BB) {
CodeExtractor CE;
std::vector<BasicBlock*> Blocks;
Blocks.push_back(BB);
return CE.ExtractCodeRegion(Blocks);
}