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add support for inserting an uncond branch

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@31003 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2006-10-17 18:06:55 +00:00
parent 32bd5f4f6a
commit 2dc7723474
1 changed files with 8 additions and 2 deletions
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10
lib/Target/PowerPC/PPCInstrInfo.cpp
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@ -238,8 +238,14 @@ void PPCInstrInfo::RemoveBranch(MachineBasicBlock &MBB) const {
void PPCInstrInfo::InsertBranch(MachineBasicBlock &MBB, MachineBasicBlock *TBB,
MachineBasicBlock *FBB,
const std::vector<MachineOperand> &Cond) const {
// Fall through?
if (TBB == 0 && FBB == 0) return;
// Shouldn't be a fall through.
assert(TBB && "InsertBranch must not be told to insert a fallthrough");
// Unconditional branch?
if (FBB == 0) {
BuildMI(&MBB, PPC::B, 1).addMBB(TBB);
return;
}
assert(Cond.size() == 2 && "PPC branch conditions have two components!");