Convert VirtRegMap to a MachineFunctionPass.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@66870 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/CodeGen/VirtRegMap.h b/lib/CodeGen/VirtRegMap.h
index 7627d67..2e9c899 100644
--- a/lib/CodeGen/VirtRegMap.h
+++ b/lib/CodeGen/VirtRegMap.h
@@ -17,6 +17,7 @@
#ifndef LLVM_CODEGEN_VIRTREGMAP_H
#define LLVM_CODEGEN_VIRTREGMAP_H
+#include "llvm/CodeGen/MachineFunctionPass.h"
#include "llvm/Target/TargetRegisterInfo.h"
#include "llvm/ADT/BitVector.h"
#include "llvm/ADT/IndexedMap.h"
@@ -30,7 +31,7 @@
class MachineFunction;
class TargetInstrInfo;
- class VirtRegMap {
+ class VirtRegMap : public MachineFunctionPass {
public:
enum {
NO_PHYS_REG = 0,
@@ -43,9 +44,9 @@
std::pair<unsigned, ModRef> > MI2VirtMapTy;
private:
- const TargetInstrInfo &TII;
+ const TargetInstrInfo *TII;
- MachineFunction &MF;
+ MachineFunction *MF;
/// Virt2PhysMap - This is a virtual to physical register
/// mapping. Each virtual register is required to have an entry in
/// it; even spilled virtual registers (the register mapped to a
@@ -125,7 +126,19 @@
void operator=(const VirtRegMap&); // DO NOT IMPLEMENT
public:
- explicit VirtRegMap(MachineFunction &mf);
+ static char ID;
+ VirtRegMap() : MachineFunctionPass(&ID), Virt2PhysMap(NO_PHYS_REG),
+ Virt2StackSlotMap(NO_STACK_SLOT),
+ Virt2ReMatIdMap(NO_STACK_SLOT), Virt2SplitMap(0),
+ Virt2SplitKillMap(0), ReMatMap(NULL),
+ ReMatId(MAX_STACK_SLOT+1),
+ LowSpillSlot(NO_STACK_SLOT), HighSpillSlot(NO_STACK_SLOT) { }
+ virtual bool runOnMachineFunction(MachineFunction &MF);
+
+ virtual void getAnalysisUsage(AnalysisUsage &AU) const {
+ AU.setPreservesAll();
+ MachineFunctionPass::getAnalysisUsage(AU);
+ }
void grow();
@@ -417,7 +430,7 @@
/// the folded instruction map and spill point map.
void RemoveMachineInstrFromMaps(MachineInstr *MI);
- void print(std::ostream &OS) const;
+ void print(std::ostream &OS, const Module* M = 0) const;
void print(std::ostream *OS) const { if (OS) print(*OS); }
void dump() const;
};