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Added MachineCodeForInstruction object as an argument to

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TmpInstruction constructors because every TmpInstruction object has
to be registered with a MachineCodeForInstruction to prevent leaks.
This simplifies the user's code.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@6469 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Vikram S. Adve 2003-05-31 07:41:24 +00:00
parent 3497782f38
commit f3d3ca18b5
5 changed files with 35 additions and 15 deletions
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12
include/llvm/CodeGen/InstrSelection.h
View File

@ -13,6 +13,7 @@ class InstrForest;
class MachineInstr;
class InstructionNode;
class TargetMachine;
class MachineCodeForInstruction;
class Pass;
//===--------------------- Required Functions ---------------------------------
@ -68,14 +69,19 @@ class TmpInstruction : public Instruction {
public:
// Constructor that uses the type of S1 as the type of the temporary.
// s1 must be a valid value. s2 may be NULL.
TmpInstruction(Value *s1, Value *s2 = 0, const std::string &name = "");
TmpInstruction(MachineCodeForInstruction& mcfi,
Value *s1, Value *s2 = 0, const std::string &name = "");
// Constructor that requires the type of the temporary to be specified.
// Both S1 and S2 may be NULL.
TmpInstruction(const Type *Ty, Value *s1 = 0, Value* s2 = 0,
TmpInstruction(MachineCodeForInstruction& mcfi,
const Type *Ty, Value *s1 = 0, Value* s2 = 0,
const std::string &name = "");
virtual Instruction *clone() const { return new TmpInstruction(*this); }
virtual Instruction *clone() const {
assert(0 && "Cannot clone TmpInstructions!");
return 0;
}
virtual const char *getOpcodeName() const {
return "TempValueForMachineInstr";
}

16
lib/CodeGen/InstrSelection/InstrSelection.cpp
View File

@ -78,8 +78,12 @@ namespace {
static RegisterLLC<InstructionSelection>
X("instselect", "Instruction Selection", createInstructionSelectionPass);
TmpInstruction::TmpInstruction(Value *s1, Value *s2, const std::string &name)
: Instruction(s1->getType(), Instruction::UserOp1, name) {
TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
Value *s1, Value *s2, const std::string &name)
: Instruction(s1->getType(), Instruction::UserOp1, name)
{
mcfi.addTemp(this);
Operands.push_back(Use(s1, this)); // s1 must be nonnull
if (s2) {
Operands.push_back(Use(s2, this));
@ -91,9 +95,13 @@ TmpInstruction::TmpInstruction(Value *s1, Value *s2, const std::string &name)
// Constructor that requires the type of the temporary to be specified.
// Both S1 and S2 may be NULL.(
TmpInstruction::TmpInstruction(const Type *Ty, Value *s1, Value* s2,
TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
const Type *Ty, Value *s1, Value* s2,
const std::string &name)
: Instruction(Ty, Instruction::UserOp1, name) {
: Instruction(Ty, Instruction::UserOp1, name)
{
mcfi.addTemp(this);
if (s1) { Operands.push_back(Use(s1, this)); }
if (s2) { Operands.push_back(Use(s2, this)); }

3
lib/CodeGen/InstrSelection/InstrSelectionSupport.cpp
View File

@ -33,9 +33,8 @@ InsertCodeToLoadConstant(Function *F,
TargetMachine& target)
{
// Create a tmp virtual register to hold the constant.
TmpInstruction* tmpReg = new TmpInstruction(opValue);
MachineCodeForInstruction &mcfi = MachineCodeForInstruction::get(vmInstr);
mcfi.addTemp(tmpReg);
TmpInstruction* tmpReg = new TmpInstruction(mcfi, opValue);
target.getInstrInfo().CreateCodeToLoadConst(target, F, opValue, tmpReg,
loadConstVec, mcfi);

16
lib/Target/SparcV9/InstrSelection/InstrSelection.cpp
View File

@ -78,8 +78,12 @@ namespace {
static RegisterLLC<InstructionSelection>
X("instselect", "Instruction Selection", createInstructionSelectionPass);
TmpInstruction::TmpInstruction(Value *s1, Value *s2, const std::string &name)
: Instruction(s1->getType(), Instruction::UserOp1, name) {
TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
Value *s1, Value *s2, const std::string &name)
: Instruction(s1->getType(), Instruction::UserOp1, name)
{
mcfi.addTemp(this);
Operands.push_back(Use(s1, this)); // s1 must be nonnull
if (s2) {
Operands.push_back(Use(s2, this));
@ -91,9 +95,13 @@ TmpInstruction::TmpInstruction(Value *s1, Value *s2, const std::string &name)
// Constructor that requires the type of the temporary to be specified.
// Both S1 and S2 may be NULL.(
TmpInstruction::TmpInstruction(const Type *Ty, Value *s1, Value* s2,
TmpInstruction::TmpInstruction(MachineCodeForInstruction& mcfi,
const Type *Ty, Value *s1, Value* s2,
const std::string &name)
: Instruction(Ty, Instruction::UserOp1, name) {
: Instruction(Ty, Instruction::UserOp1, name)
{
mcfi.addTemp(this);
if (s1) { Operands.push_back(Use(s1, this)); }
if (s2) { Operands.push_back(Use(s2, this)); }

3
lib/Target/SparcV9/InstrSelection/InstrSelectionSupport.cpp
View File

@ -33,9 +33,8 @@ InsertCodeToLoadConstant(Function *F,
TargetMachine& target)
{
// Create a tmp virtual register to hold the constant.
TmpInstruction* tmpReg = new TmpInstruction(opValue);
MachineCodeForInstruction &mcfi = MachineCodeForInstruction::get(vmInstr);
mcfi.addTemp(tmpReg);
TmpInstruction* tmpReg = new TmpInstruction(mcfi, opValue);
target.getInstrInfo().CreateCodeToLoadConst(target, F, opValue, tmpReg,
loadConstVec, mcfi);