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Make Loop and MachineLoop be subclasses of LoopBase, rather than typedefs,

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using the Curiously Recurring Template Pattern with LoopBase.

This will help further refactoring, and future functionality for
Loop. Also, Headers can now foward-declare Loop, instead of pulling
in LoopInfo.h or doing tricks.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75519 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Dan Gohman
2009-07-13 21:51:15 +00:00
parent 92aa0bb4ca
commit c8d76d5afb
6 changed files with 126 additions and 94 deletions
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8
lib/CodeGen/MachineLoopInfo.cpp
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@ -19,8 +19,12 @@
#include "llvm/CodeGen/Passes.h"
using namespace llvm;
TEMPLATE_INSTANTIATION(class LoopBase<MachineBasicBlock>);
TEMPLATE_INSTANTIATION(class LoopInfoBase<MachineBasicBlock>);
#define MLB class LoopBase<MachineBasicBlock, MachineLoop>
TEMPLATE_INSTANTIATION(MLB);
#undef MLB
#define MLIB class LoopInfoBase<MachineBasicBlock, MachineLoop>
TEMPLATE_INSTANTIATION(MLIB);
#undef MLIB
char MachineLoopInfo::ID = 0;
static RegisterPass<MachineLoopInfo>