* Add implementation of ExtractBasicBlock()
* Add comments to ExtractLoop()
llvm-svn: 12053
diff --git a/llvm/lib/Transforms/Utils/CodeExtractor.cpp b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
index 38f3c8a..530d2f6 100644
--- a/llvm/lib/Transforms/Utils/CodeExtractor.cpp
+++ b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
@@ -566,8 +566,18 @@
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);
+}