llvm-6502/include/llvm/Transforms/FunctionInlining.h
2001-06-30 04:34:07 +00:00

41 lines
1.2 KiB
C++

//===-- MethodInlining.h - Functions that perform Inlining -------*- C++ -*--=//
//
// This family of functions is useful for performing method inlining.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_OPT_METHOD_INLINING_H
#define LLVM_OPT_METHOD_INLINING_H
#include "llvm/Module.h"
#include "llvm/BasicBlock.h"
class CallInst;
namespace opt {
// DoMethodInlining - Use a heuristic based approach to inline methods that seem
// to look good.
//
bool DoMethodInlining(Method *M);
static inline bool DoMethodInlining(Module *M) {
return M->reduceApply(DoMethodInlining);
}
// InlineMethod - This function forcibly inlines the called method into the
// basic block of the caller. This returns true if it is not possible to inline
// this call. The program is still in a well defined state if this occurs
// though.
//
// Note that this only does one level of inlining. For example, if the
// instruction 'call B' is inlined, and 'B' calls 'C', then the call to 'C' now
// exists in the instruction stream. Similiarly this will inline a recursive
// method by one level.
//
bool InlineMethod(CallInst *C);
bool InlineMethod(BasicBlock::iterator CI); // *CI must be CallInst
} // end namespace opt
#endif