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