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Kill off SimpleBBISel, it's replaced by FastISel. 

llvm-svn: 55067
This commit is contained in:
Evan Cheng 2008-08-20 17:50:32 +00:00
parent d0cb5056b0
commit 7b9cd58596
3 changed files with 1 additions and 78 deletions
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5
llvm/lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
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@ -13,7 +13,6 @@
#define DEBUG_TYPE "isel"
#include "llvm/CodeGen/SelectionDAGISel.h"
#include "SimpleBBISel.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/Analysis/AliasAnalysis.h"
#include "llvm/Constants.h"
@ -5486,14 +5485,12 @@ void SelectionDAGISel::SelectAllBasicBlocks(Function &Fn, MachineFunction &MF,
// each basic block.
NodeAllocatorType NodeAllocator;
SimpleBBISel SISel(MF, TLI);
std::vector<std::pair<MachineInstr*, unsigned> > PHINodesToUpdate;
for (Function::iterator I = Fn.begin(), E = Fn.end(); I != E; ++I) {
BasicBlock *LLVMBB = &*I;
PHINodesToUpdate.clear();
if (!Fast || !SISel.SelectBasicBlock(LLVMBB, FuncInfo.MBBMap[LLVMBB]))
SelectBasicBlock(LLVMBB, MF, FuncInfo, PHINodesToUpdate, NodeAllocator);
SelectBasicBlock(LLVMBB, MF, FuncInfo, PHINodesToUpdate, NodeAllocator);
FinishBasicBlock(LLVMBB, MF, FuncInfo, PHINodesToUpdate, NodeAllocator);
}
}

29
llvm/lib/CodeGen/SelectionDAG/SimpleBBISel.cpp
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@ -1,29 +0,0 @@
//===-- SimpleBBISel.cpp - Implement the SimpleBBISel class ---------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This implements simple basic block instruction selection. If the given
// BasicBlock is considered "simple", i.e. all operations are supported by
// the target and their types are legal, it does instruction directly from
// LLVM BasicBlock to MachineInstr's.
//
//===----------------------------------------------------------------------===//
#define DEBUG_TYPE "simple-isel"
#include "SimpleBBISel.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
#include "llvm/CodeGen/SelectionDAG.h"
using namespace llvm;
/// SelectBasicBlock - Try to convert a LLVM basic block into a
/// MachineBasicBlock using simple instruction selection. Returns false if it
/// is not able to do so.
bool SimpleBBISel::SelectBasicBlock(BasicBlock *BB, MachineBasicBlock *MBB) {
return false;
}

45
llvm/lib/CodeGen/SelectionDAG/SimpleBBISel.h
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@ -1,45 +0,0 @@
//===-- SimpleBBISel.cpp - Definition of the SimpleBBISel class -----------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file defines the SimpleBBISel class which handles simple basic block
// instruction selection. If the given BasicBlock is considered "simple", i.e.
// all operations are supported by the target and their types are legal, it
// does instruction directly from LLVM BasicBlock to MachineInstr's.
//
//===----------------------------------------------------------------------===//
#ifndef SELECTIONDAG_SIMPLEBBISEL_H
#define SELECTIONDAG_SIMPLEBBISEL_H
#include "llvm/Support/Compiler.h"
namespace llvm {
class BasicBlock;
class MachineBasicBlock;
class MachineFunction;
class TargetLowering;
class VISIBILITY_HIDDEN SimpleBBISel {
MachineFunction &MF;
TargetLowering &TLI;
public:
explicit SimpleBBISel(MachineFunction &mf, TargetLowering &tli)
: MF(mf), TLI(tli) {};
/// SelectBasicBlock - Try to convert a LLVM basic block into a
/// MachineBasicBlock using simple instruction selection. Returns false if it
/// is not able to do so.
bool SelectBasicBlock(BasicBlock *BB, MachineBasicBlock *MBB);
};
} // end namespace llvm.
#endif