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Change machinecode for instruction to not inherit from vector.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@3274 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2002-08-09 20:04:28 +00:00
parent 5b2f502968
commit 919c4f8a44
2 changed files with 78 additions and 32 deletions
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55
include/llvm/CodeGen/MachineCodeForInstruction.h
View File

@ -1,18 +1,17 @@
//===-- llvm/CodeGen/MachineCodeForInstruction.h -----------------*- C++ -*--=//
//===-- llvm/CodeGen/MachineCodeForInstruction.h ----------------*- C++ -*-===//
//
// 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:
// 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).
// "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
// (2) "Implicit uses" are values used in the VM instruction but not in
// the machine instruction sequence
//
//===----------------------------------------------------------------------===//
@ -25,10 +24,9 @@ class MachineInstr;
class Instruction;
class Value;
class MachineCodeForInstruction
: public Annotation, public std::vector<MachineInstr*> {
class MachineCodeForInstruction : public Annotation {
std::vector<Value*> tempVec; // used by m/c instr but not VM instr
std::vector<MachineInstr*> Contents;
public:
MachineCodeForInstruction();
~MachineCodeForInstruction();
@ -36,6 +34,31 @@ public:
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
@ -46,7 +69,7 @@ public:
const std::vector<Value*> &getTempValues() const { return tempVec; }
std::vector<Value*> &getTempValues() { return tempVec; }
inline MachineCodeForInstruction &addTemp(Value *tmp) {
MachineCodeForInstruction &addTemp(Value *tmp) {
tempVec.push_back(tmp);
return *this;
}

55
lib/Target/SparcV9/MachineCodeForInstruction.h
View File

@ -1,18 +1,17 @@
//===-- llvm/CodeGen/MachineCodeForInstruction.h -----------------*- C++ -*--=//
//===-- llvm/CodeGen/MachineCodeForInstruction.h ----------------*- C++ -*-===//
//
// 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:
// 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).
// "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
// (2) "Implicit uses" are values used in the VM instruction but not in
// the machine instruction sequence
//
//===----------------------------------------------------------------------===//
@ -25,10 +24,9 @@ class MachineInstr;
class Instruction;
class Value;
class MachineCodeForInstruction
: public Annotation, public std::vector<MachineInstr*> {
class MachineCodeForInstruction : public Annotation {
std::vector<Value*> tempVec; // used by m/c instr but not VM instr
std::vector<MachineInstr*> Contents;
public:
MachineCodeForInstruction();
~MachineCodeForInstruction();
@ -36,6 +34,31 @@ public:
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
@ -46,7 +69,7 @@ public:
const std::vector<Value*> &getTempValues() const { return tempVec; }
std::vector<Value*> &getTempValues() { return tempVec; }
inline MachineCodeForInstruction &addTemp(Value *tmp) {
MachineCodeForInstruction &addTemp(Value *tmp) {
tempVec.push_back(tmp);
return *this;
}