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Remove dependency on SSARegMap.h

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@5137 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-12-25 05:00:16 +00:00
parent e1b52b7656
commit 03ab7af4de
1 changed files with 20 additions and 25 deletions
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45
include/llvm/CodeGen/MachineFunction.h
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@ -10,7 +10,6 @@
#define LLVM_CODEGEN_MACHINEFUNCTION_H
#include "llvm/CodeGen/MachineBasicBlock.h"
#include "llvm/CodeGen/SSARegMap.h"
#include "llvm/Annotation.h"
#include "Support/HashExtras.h"
#include "Support/hash_set"
@ -22,6 +21,7 @@ class Constant;
class Type;
class TargetMachine;
class Pass;
class SSARegMap;
Pass *createMachineCodeConstructionPass(TargetMachine &Target);
Pass *createMachineCodeDestructionPass();
@ -34,6 +34,9 @@ class MachineFunction : private Annotation {
// List of machine basic blocks in function
iplist<MachineBasicBlock> BasicBlocks;
// Keeping track of mapping from SSA values to registers
SSARegMap *SSARegMapping;
// FIXME: State should be held elsewhere...
hash_set<const Constant*> constantsForConstPool;
hash_map<const Value*, int> offsets;
@ -48,11 +51,9 @@ class MachineFunction : private Annotation {
bool spillsAreaFrozen;
bool automaticVarsAreaFrozen;
// Keeping track of mapping from SSA values to registers
SSARegMap *SSARegMapping;
public:
MachineFunction(const Function *Fn, const TargetMachine& target);
~MachineFunction();
/// getFunction - Return the LLVM function that this machine code represents
///
@ -71,11 +72,6 @@ public:
///
void dump() const;
/// CalculateArgSize - Call this method to fill in the maxOptionalArgsSize &
/// staticStackSize fields...
///
void CalculateArgSize();
// The next three methods are used to construct, destruct, and retrieve the
// MachineFunction object for the given method.
//
@ -90,18 +86,6 @@ public:
static void destruct(const Function *F);
static MachineFunction& get(const Function *F);
// Getting and storing SSARegMap information
const TargetRegisterClass* getRegClass(unsigned Reg) {
return SSARegMapping->getRegClass(Reg);
}
void addRegMap(unsigned Reg, const TargetRegisterClass *RegClass) {
SSARegMapping->addRegMap(Reg, RegClass);
}
void clearSSARegMap() {
delete SSARegMapping;
SSARegMapping = NULL;
}
// Provide accessors for the MachineBasicBlock list...
typedef iplist<MachineBasicBlock> BasicBlockListType;
typedef BasicBlockListType::iterator iterator;
@ -134,10 +118,23 @@ public:
MachineBasicBlock & back() { return BasicBlocks.back(); }
//===--------------------------------------------------------------------===//
// SSARegMap Interface... Keep track of information about each SSA virtual
// register, such as which register class it belongs to.
//
// FIXME: Most of the following state should be moved out to passes that use
// it, instead of being put here.
SSARegMap *getSSARegMap() const { return SSARegMapping; }
void clearSSARegMap();
//===--------------------------------------------------------------------===//
//
// FIXME: Most of the following state should be moved into another class!
//
/// CalculateArgSize - Call this method to fill in the maxOptionalArgsSize &
/// staticStackSize fields...
///
void CalculateArgSize();
//
// Accessors for global information about generated code for a method.
@ -182,8 +179,6 @@ public:
int getOffset (const Value* val) const;
// int getOffsetFromFP (const Value* val) const;
private:
inline void incrementAutomaticVarsSize(int incr) {
automaticVarsSize+= incr;