From c58f7728035c29774cccbced8fe835a0c69cdff9 Mon Sep 17 00:00:00 2001
From: Misha Brukman <brukman+llvm@gmail.com>
Date: Tue, 2 Mar 2004 00:20:57 +0000
Subject: [PATCH] Implement ExtractCodeRegion()

llvm-svn: 12070
---
 lib/Transforms/Utils/CodeExtractor.cpp | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/lib/Transforms/Utils/CodeExtractor.cpp b/lib/Transforms/Utils/CodeExtractor.cpp
index 530d2f66b73..7de30066806 100644
--- a/lib/Transforms/Utils/CodeExtractor.cpp
+++ b/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) {