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Add TargetInstrInfo predication hooks.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37091 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Evan Cheng 2007-05-16 01:58:56 +00:00
parent 01b4748b39
commit 0402e170e8
1 changed files with 14 additions and 0 deletions
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14
include/llvm/Target/TargetInstrInfo.h
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@ -383,6 +383,20 @@ public:
abort();
}
/// isPredicatable - True if the instruction can be converted into a
/// predicated instruction.
virtual bool isPredicatable(MachineInstr *MI) const {
return false;
}
/// PredicateInstruction - Convert the instruction into a predicated
/// instruction.
virtual void PredicateInstruction(MachineInstr *MI,
std::vector<MachineOperand> &Cond) const {
assert(0 && "Target didn't implement PredicateInstruction!");
abort();
}
/// getPointerRegClass - Returns a TargetRegisterClass used for pointer
/// values.
virtual const TargetRegisterClass *getPointerRegClass() const {