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allow branch reversal to fail 

llvm-svn: 30943
This commit is contained in:
Chris Lattner 2006-10-13 20:59:31 +00:00
parent a45a08a706
commit 68b41e570e
1 changed files with 5 additions and 4 deletions
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9
llvm/include/llvm/Target/TargetInstrInfo.h
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@ -308,10 +308,11 @@ public:
assert(0 && "Target didn't implement TargetInstrInfo::RemoveBranch!");
}
/// Reverses the branch condition of the MachineInstr pointed by
/// MI. The instruction is replaced and the new MI is returned.
virtual void ReverseBranchCondition(std::vector<MachineOperand> &Cond) const {
assert(0 && "Target didn't implement ReverseBranchCondition!");
/// ReverseBranchCondition - Reverses the branch condition of the specified
/// condition list, returning false on success and true if it cannot be
/// reversed.
virtual bool ReverseBranchCondition(std::vector<MachineOperand> &Cond) const {
return true;
}
/// insertNoop - Insert a noop into the instruction stream at the specified