allow branch reversal to fail

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@30943 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-13 20:59:31 +00:00
parent 1ccc47ec38
commit 5f1e4dbdf7

View File

@ -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