mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2025-01-10 02:36:06 +00:00
36 lines
1.2 KiB
C
36 lines
1.2 KiB
C
|
//===-- LevelChange.h - Passes for raising/lowering llvm code ----*- C++ -*--=//
|
||
|
//
|
||
|
// This family of passes is useful for changing the 'level' of a module. This
|
||
|
// can either be raising (f.e. converting direct addressing to use getelementptr
|
||
|
// for structs and arrays), or lowering (for instruction selection).
|
||
|
//
|
||
|
//===----------------------------------------------------------------------===//
|
||
|
|
||
|
#ifndef LLVM_TRANSFORMS_LEVELCHANGE_H
|
||
|
#define LLVM_TRANSFORMS_LEVELCHANGE_H
|
||
|
|
||
|
#include "llvm/Pass.h"
|
||
|
|
||
|
// RaisePointerReferences - Try to eliminate as many pointer arithmetic
|
||
|
// expressions as possible, by converting expressions to use getelementptr and
|
||
|
// friends.
|
||
|
//
|
||
|
struct RaisePointerReferences : public Pass {
|
||
|
static bool doit(Method *M);
|
||
|
|
||
|
virtual bool doPerMethodWork(Method *M) { return doit(M); }
|
||
|
};
|
||
|
|
||
|
|
||
|
// EliminateAuxillaryInductionVariables - Eliminate all aux indvars. This
|
||
|
// converts all induction variables to reference a cannonical induction
|
||
|
// variable (which starts at 0 and counts by 1).
|
||
|
//
|
||
|
struct EliminateAuxillaryInductionVariables : public Pass {
|
||
|
static bool doit(Method *M) { return false; } // TODO!
|
||
|
|
||
|
virtual bool doPerMethodWork(Method *M) { return doit(M); }
|
||
|
};
|
||
|
|
||
|
#endif
|