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Add method MachineInstr::substituteValue() which substitutes

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one Value with another one in all operands and implicit references
of the machine instruction.

Also add method MachineOperand::getVRegValueOrNull().

llvm-svn: 3307
This commit is contained in:
Vikram S. Adve 2002-08-14 16:54:11 +00:00
parent 87928f2098
commit afb9cae44d
1 changed files with 17 additions and 8 deletions
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25
include/llvm/CodeGen/MachineInstr.h
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@ -106,6 +106,10 @@ public:
opType == MO_PCRelativeDisp);
return value;
}
inline Value* getVRegValueOrNull() const {
return (opType == MO_VirtualRegister || opType == MO_CCRegister ||
opType == MO_PCRelativeDisp)? value : NULL;
}
inline int getMachineRegNum() const {
assert(opType == MO_MachineRegister);
return regNum;
@ -356,6 +360,10 @@ public:
bool isDef=false,
bool isDefAndUse=false);
unsigned substituteValue (const Value* oldVal,
Value* newVal,
bool defsOnly = true);
void setOperandHi32 (unsigned i);
void setOperandLo32 (unsigned i);
void setOperandHi64 (unsigned i);
@ -390,17 +398,18 @@ public:
public:
typedef ValOpIterator<MITy, VTy> _Self;
inline VTy operator*() const { return MI->getOperand(i).getVRegValue(); }
const MachineOperand &getMachineOperand() const {
return MI->getOperand(i);
inline VTy operator*() const {
return MI->getOperand(i).getVRegValue();
}
const MachineOperand &getMachineOperand() const { return MI->getOperand(i);}
MachineOperand &getMachineOperand() { return MI->getOperand(i);}
inline VTy operator->() const { return operator*(); }
inline bool isDef() const { return MI->getOperand(i).opIsDef(); }
inline bool isDefAndUse() const { return MI->getOperand(i).opIsDefAndUse(); }
inline bool isDef() const { return MI->getOperand(i).opIsDef(); }
inline bool isDefAndUse() const { return MI->getOperand(i).opIsDefAndUse();}
inline _Self& operator++() { i++; skipToNextVal(); return *this; }
inline _Self operator++(int) { _Self tmp = *this; ++*this; return tmp; }