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Expose the TCE pass

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@8619 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2003-09-20 05:14:13 +00:00
parent 2240d2b3f7
commit 3fc6ef1bb9
2 changed files with 10 additions and 0 deletions
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7
include/llvm/Transforms/Scalar.h
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@ -241,6 +241,13 @@ void SplitCriticalEdge(TerminatorInst *TI, unsigned SuccNum, Pass *P = 0);
Pass *createLoopPreheaderInsertionPass(); Pass *createLoopPreheaderInsertionPass();
extern const PassInfo *LoopPreheadersID; 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 // This pass convert malloc and free instructions to %malloc & %free function

3
lib/Transforms/Scalar/TailRecursionElimination.cpp
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@ -19,6 +19,7 @@
// //
//===----------------------------------------------------------------------===// //===----------------------------------------------------------------------===//
#include "llvm/Transforms/Scalar.h"
#include "llvm/DerivedTypes.h" #include "llvm/DerivedTypes.h"
#include "llvm/Function.h" #include "llvm/Function.h"
#include "llvm/Instructions.h" #include "llvm/Instructions.h"
@ -34,6 +35,8 @@ namespace {
RegisterOpt<TailCallElim> X("tailcallelim", "Tail Call Elimination"); RegisterOpt<TailCallElim> X("tailcallelim", "Tail Call Elimination");
} }
FunctionPass *createTailCallEliminationPass() { return new TailCallElim(); }
bool TailCallElim::runOnFunction(Function &F) { bool TailCallElim::runOnFunction(Function &F) {
// If this function is a varargs function, we won't be able to PHI the args // If this function is a varargs function, we won't be able to PHI the args