//
//===----------------------------------------------------------------------===//
-#ifndef LLVM_ANALYSIS_REGION_INFO_H
-#define LLVM_ANALYSIS_REGION_INFO_H
+#ifndef LLVM_ANALYSIS_REGIONINFO_H
+#define LLVM_ANALYSIS_REGIONINFO_H
#include "llvm/ADT/PointerIntPair.h"
#include "llvm/Analysis/DominanceFrontier.h"
/// @param BB The new exit basic block of the region.
void replaceExit(BasicBlock *BB);
+ /// @brief Recursively replace the entry basic block of the region.
+ ///
+ /// This function replaces the entry basic block with a new basic block. It
+ /// also updates all child regions that have the same entry basic block as
+ /// this region.
+ ///
+ /// @param NewEntry The new entry basic block.
+ void replaceEntryRecursive(BasicBlock *NewEntry);
+
+ /// @brief Recursively replace the exit basic block of the region.
+ ///
+ /// This function replaces the exit basic block with a new basic block. It
+ /// also updates all child regions that have the same exit basic block as
+ /// this region.
+ ///
+ /// @param NewExit The new exit basic block.
+ void replaceExitRecursive(BasicBlock *NewExit);
+
/// @brief Get the exit BasicBlock of the Region.
/// @return The exit BasicBlock of the Region, NULL if this is the TopLevel
/// Region.
/// The toplevel region represents the whole function.
bool isTopLevelRegion() const { return exit == NULL; }
- /// @brief Return a new (non canonical) region, that is obtained by joining
+ /// @brief Return a new (non-canonical) region, that is obtained by joining
/// this region with its predecessors.
///
/// @return A region also starting at getEntry(), but reaching to the next
- /// basic block that forms with getEntry() a (non canonical) region.
+ /// basic block that forms with getEntry() a (non-canonical) region.
/// NULL if such a basic block does not exist.
Region *getExpandedRegion() const;