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https://github.com/c64scene-ar/llvm-6502.git
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f4de63f65f
out how to run a collection of passes optimially given their behaviors and charactaristics. Convert code to use it. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@1507 91177308-0d34-0410-b5e6-96231b3b80d8
36 lines
1.2 KiB
C++
36 lines
1.2 KiB
C++
//===-- LevelChange.h - Passes for raising/lowering llvm code ----*- C++ -*--=//
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//
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// This family of passes is useful for changing the 'level' of a module. This
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// can either be raising (f.e. converting direct addressing to use getelementptr
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// for structs and arrays), or lowering (for instruction selection).
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_TRANSFORMS_LEVELCHANGE_H
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#define LLVM_TRANSFORMS_LEVELCHANGE_H
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#include "llvm/Pass.h"
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// RaisePointerReferences - Try to eliminate as many pointer arithmetic
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// expressions as possible, by converting expressions to use getelementptr and
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// friends.
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//
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struct RaisePointerReferences : public MethodPass {
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static bool doit(Method *M);
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virtual bool runOnMethod(Method *M) { return doit(M); }
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};
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// EliminateAuxillaryInductionVariables - Eliminate all aux indvars. This
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// converts all induction variables to reference a cannonical induction
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// variable (which starts at 0 and counts by 1).
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//
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struct EliminateAuxillaryInductionVariables : public MethodPass {
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static bool doit(Method *M) { return false; } // TODO!
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virtual bool runOnMethod(Method *M) { return doit(M); }
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};
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#endif
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