Implement ExtractCodeRegion()

llvm-svn: 12070

1 files changed, 9 insertions, 1 deletions

diff --git a/llvm/lib/Transforms/Utils/CodeExtractor.cpp b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
index 530d2f66b73..7de30066806 100644
--- a/llvm/lib/Transforms/Utils/CodeExtractor.cpp
+++ b/llvm/lib/Transforms/Utils/CodeExtractor.cpp
@@ -443,7 +443,7 @@ CodeExtractor::emitCallAndSwitchStatement(Function *newFunction,
                       brInst);
       }
 
-      // Rewrite branches into exists which return a value based on which
+      // Rewrite branches into exits which return a value based on which
       // exit we take from this function
       if (brInst->isUnconditional()) {
         if (!contains(code, brInst->getSuccessor(0))) {
@@ -566,6 +566,14 @@ Function *CodeExtractor::ExtractCodeRegion(const std::vector<BasicBlock*> &code)
   return newFunction;
 }
 
+/// ExtractCodeRegion - slurp a sequence of basic blocks into a brand new
+/// function
+///
+Function* llvm::ExtractCodeRegion(const std::vector<BasicBlock*> &code) {
+  CodeExtractor CE;
+  return CE.ExtractCodeRegion(code);
+}
+
 /// ExtractBasicBlock - slurp a natural loop into a brand new function
 ///
 Function* llvm::ExtractLoop(Loop *L) {