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More dead code elimination in VirtRegMap.

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This thing is looking a lot like a virtual register map now.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@144486 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Jakob Stoklund Olesen
2011-11-13 01:23:34 +00:00
parent cb39064e7a
commit 0cb80d9f0f
2 changed files with 0 additions and 26 deletions
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12
lib/CodeGen/VirtRegMap.cpp
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@ -19,7 +19,6 @@
#define DEBUG_TYPE "virtregmap"
#include "VirtRegMap.h"
#include "llvm/Function.h"
#include "llvm/CodeGen/LiveIntervalAnalysis.h"
#include "llvm/CodeGen/MachineFrameInfo.h"
#include "llvm/CodeGen/MachineFunction.h"
#include "llvm/CodeGen/MachineInstrBuilder.h"
@ -32,12 +31,8 @@
#include "llvm/Support/Compiler.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/DepthFirstIterator.h"
#include "llvm/ADT/Statistic.h"
#include "llvm/ADT/STLExtras.h"
#include "llvm/ADT/SmallSet.h"
#include <algorithm>
using namespace llvm;
@ -62,14 +57,7 @@ bool VirtRegMap::runOnMachineFunction(MachineFunction &mf) {
Virt2StackSlotMap.clear();
Virt2SplitMap.clear();
allocatableRCRegs.clear();
for (TargetRegisterInfo::regclass_iterator I = TRI->regclass_begin(),
E = TRI->regclass_end(); I != E; ++I)
allocatableRCRegs.insert(std::make_pair(*I,
TRI->getAllocatableSet(mf, *I)));
grow();
return false;
}