Expose the TCE pass

llvm-svn: 8619

llvm/include/llvm/Transforms/Scalar.h

@@ -241,6 +241,13 @@ void SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P = 0);
 Pass *createLoopPreheaderInsertionPass();
 extern const PassInfo *LoopPreheadersID;
 
+//===----------------------------------------------------------------------===//
+// 
+// This pass eliminates call instructions to the current function which occur
+// immediately before return instructions.
+//
+FunctionPass *createTailCallEliminationPass();
+
 
 //===----------------------------------------------------------------------===//
 // This pass convert malloc and free instructions to %malloc & %free function

llvm/lib/Transforms/Scalar/TailRecursionElimination.cpp

@@ -19,6 +19,7 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "llvm/Transforms/Scalar.h"
 #include "llvm/DerivedTypes.h"
 #include "llvm/Function.h"
 #include "llvm/Instructions.h"
@@ -34,6 +35,8 @@ namespace {
   RegisterOpt<TailCallElim> X("tailcallelim", "Tail Call Elimination");
 }
 
+FunctionPass *createTailCallEliminationPass() { return new TailCallElim(); }
+
 
 bool TailCallElim::runOnFunction(Function &F) {
   // If this function is a varargs function, we won't be able to PHI the args