// AU.addRequiredID(BreakCriticalEdgesID);
//
// This pass obviously invalidates the CFG, but can update forward dominator
-// (set, immediate dominators, and tree) information.
+// (set, immediate dominators, tree, and frontier) information.
//
Pass *createBreakCriticalEdgesPass();
extern const PassInfo *BreakCriticalEdgesID;
-// The BreakCriticalEdges pass also exposes some low-level functionality that
-// may be used by other passes.
-
-/// isCriticalEdge - Return true if the specified edge is a critical edge.
-/// Critical edges are edges from a block with multiple successors to a block
-/// with multiple predecessors.
-///
-bool isCriticalEdge(const TerminatorInst *TI, unsigned SuccNum);
-
-/// SplitCriticalEdge - Insert a new node node to split the critical edge. This
-/// will update DominatorSet, ImmediateDominator and DominatorTree information
-/// if a pass is specified, thus calling this pass will not invalidate these
-/// analyses.
-///
-void SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P = 0);
-
//===----------------------------------------------------------------------===//
//
// LoopSimplify pass - Insert Pre-header blocks into the CFG for every function