+++ /dev/null
-//===-- llvm/CodeGen/MachineCodeForInstruction.h ----------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// FIXME: This file is SparcV9 specific. Do not rely on this class for new
-// targets, it will go away in the future.
-//
-// Representation of the sequence of machine instructions created for a single
-// VM instruction. Additionally records information about hidden and implicit
-// values used by the machine instructions: about hidden values used by the
-// machine instructions:
-//
-// "Temporary values" are intermediate values used in the machine instruction
-// sequence, but not in the VM instruction Note that such values should be
-// treated as pure SSA values with no interpretation of their operands (i.e., as
-// a TmpInstruction object which actually represents such a value).
-//
-// (2) "Implicit uses" are values used in the VM instruction but not in
-// the machine instruction sequence
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_MACHINECODE_FOR_INSTRUCTION_H
-#define LLVM_CODEGEN_MACHINECODE_FOR_INSTRUCTION_H
-
-#include <vector>
-
-namespace llvm {
-
-class MachineInstr;
-class Instruction;
-class Value;
-class CallArgsDescriptor;
-
- class MachineCodeForInstruction {
- std::vector<Value*> tempVec; // used by m/c instr but not VM instr
- std::vector<MachineInstr*> Contents; // the machine instr for this VM instr
- CallArgsDescriptor* callArgsDesc; // only used for CALL instructions
-public:
- MachineCodeForInstruction() : callArgsDesc(NULL) {}
- ~MachineCodeForInstruction();
-
- static MachineCodeForInstruction &get(const Instruction *I);
- static void destroy(const Instruction *I);
-
- // Access to underlying machine instructions...
- typedef std::vector<MachineInstr*>::iterator iterator;
- typedef std::vector<MachineInstr*>::const_iterator const_iterator;
-
- unsigned size() const { return Contents.size(); }
- bool empty() const { return Contents.empty(); }
- MachineInstr *front() const { return Contents.front(); }
- MachineInstr *back() const { return Contents.back(); }
- MachineInstr *&operator[](unsigned i) { return Contents[i]; }
- MachineInstr *operator[](unsigned i) const { return Contents[i]; }
- void pop_back() { Contents.pop_back(); }
-
- iterator begin() { return Contents.begin(); }
- iterator end() { return Contents.end(); }
- const_iterator begin() const { return Contents.begin(); }
- const_iterator end() const { return Contents.end(); }
-
- template<class InIt>
- void insert(iterator where, InIt first, InIt last) {
- Contents.insert(where, first, last);
- }
- iterator erase(iterator where) { return Contents.erase(where); }
- iterator erase(iterator s, iterator e) { return Contents.erase(s, e); }
-
-
- // dropAllReferences() - This function drops all references within
- // temporary (hidden) instructions created in implementing the original
- // VM intruction. This ensures there are no remaining "uses" within
- // these hidden instructions, before the values of a method are freed.
- //
- void dropAllReferences();
-
- const std::vector<Value*> &getTempValues() const { return tempVec; }
- std::vector<Value*> &getTempValues() { return tempVec; }
-
- MachineCodeForInstruction &addTemp(Value *tmp) {
- tempVec.push_back(tmp);
- return *this;
- }
-
- void setCallArgsDescriptor(CallArgsDescriptor* desc) { callArgsDesc = desc; }
- CallArgsDescriptor* getCallArgsDescriptor() const { return callArgsDesc; }
-};
-
-} // End llvm namespace
-
-#endif
+++ /dev/null
-//===-- llvm/CodeGen/MachineFunctionInfo.h ----------------------*- C++ -*-===//
-//
-// The LLVM Compiler Infrastructure
-//
-// This file was developed by the LLVM research group and is distributed under
-// the University of Illinois Open Source License. See LICENSE.TXT for details.
-//
-//===----------------------------------------------------------------------===//
-//
-// This class keeps track of information about the stack frame and about the
-// per-function constant pool.
-//
-// FIXME: This class is completely SparcV9 specific. Do not use it for future
-// targets. This file will be eliminated in future versions of LLVM.
-//
-//===----------------------------------------------------------------------===//
-
-#ifndef LLVM_CODEGEN_MACHINEFUNCTIONINFO_H
-#define LLVM_CODEGEN_MACHINEFUNCTIONINFO_H
-
-#include "llvm/CodeGen/MachineCodeForInstruction.h"
-#include "Support/HashExtras.h"
-#include "Support/hash_set"
-
-namespace llvm {
-
-class MachineFunction;
-class Constant;
-class Type;
-
-class MachineFunctionInfo {
- hash_set<const Constant*> constantsForConstPool;
- hash_map<const Value*, int> offsets;
-
- unsigned staticStackSize;
- unsigned automaticVarsSize;
- unsigned regSpillsSize;
- unsigned maxOptionalArgsSize;
- unsigned maxOptionalNumArgs;
- unsigned currentTmpValuesSize;
- unsigned maxTmpValuesSize;
- bool compiledAsLeaf;
- bool spillsAreaFrozen;
- bool automaticVarsAreaFrozen;
-
- MachineFunction &MF;
-public:
- hash_map<const Instruction*, MachineCodeForInstruction> MCFIEntries;
-
- MachineFunctionInfo(MachineFunction &mf) : MF(mf) {
- staticStackSize = automaticVarsSize = regSpillsSize = 0;
- maxOptionalArgsSize = maxOptionalNumArgs = currentTmpValuesSize = 0;
- maxTmpValuesSize = 0;
- compiledAsLeaf = spillsAreaFrozen = automaticVarsAreaFrozen = false;
- }
-
- /// CalculateArgSize - Call this method to fill in the maxOptionalArgsSize &
- /// staticStackSize fields...
- ///
- void CalculateArgSize();
-
- //
- // Accessors for global information about generated code for a method.
- //
- bool isCompiledAsLeafMethod() const { return compiledAsLeaf; }
- unsigned getStaticStackSize() const { return staticStackSize; }
- unsigned getAutomaticVarsSize() const { return automaticVarsSize; }
- unsigned getRegSpillsSize() const { return regSpillsSize; }
- unsigned getMaxOptionalArgsSize() const { return maxOptionalArgsSize;}
- unsigned getMaxOptionalNumArgs() const { return maxOptionalNumArgs;}
- const hash_set<const Constant*> &getConstantPoolValues() const {
- return constantsForConstPool;
- }
-
- //
- // Modifiers used during code generation
- //
- void initializeFrameLayout ();
-
- void addToConstantPool (const Constant* constVal) {
- constantsForConstPool.insert(constVal);
- }
-
- void markAsLeafMethod() { compiledAsLeaf = true; }
-
- int computeOffsetforLocalVar (const Value* local,
- unsigned& getPaddedSize,
- unsigned sizeToUse = 0);
- int allocateLocalVar (const Value* local,
- unsigned sizeToUse = 0);
-
- int allocateSpilledValue (const Type* type);
- int pushTempValue (unsigned size);
- void popAllTempValues ();
-
- void freezeSpillsArea () { spillsAreaFrozen = true; }
- void freezeAutomaticVarsArea () { automaticVarsAreaFrozen=true; }
-
-private:
- void incrementAutomaticVarsSize(int incr) {
- automaticVarsSize+= incr;
- staticStackSize += incr;
- }
- void incrementRegSpillsSize(int incr) {
- regSpillsSize+= incr;
- staticStackSize += incr;
- }
- void incrementTmpAreaSize(int incr) {
- currentTmpValuesSize += incr;
- if (maxTmpValuesSize < currentTmpValuesSize)
- {
- staticStackSize += currentTmpValuesSize - maxTmpValuesSize;
- maxTmpValuesSize = currentTmpValuesSize;
- }
- }
- void resetTmpAreaSize() {
- currentTmpValuesSize = 0;
- }
- int allocateOptionalArg(const Type* type);
-};
-
-} // End llvm namespace
-
-#endif
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