diff options
| author | Evan Cheng <evan.cheng@apple.com> | 2009-05-08 23:09:25 +0000 |
|---|---|---|
| committer | Evan Cheng <evan.cheng@apple.com> | 2009-05-08 23:09:25 +0000 |
| commit | 82ae933e55839713ea039e7c6353483b14dc5724 (patch) | |
| tree | 1c3aebc3a59ecfad0efde4388f4cf6f0b570d297 | |
| parent | 3fbdbd98989f3e9c59342e59fdad35a56bb90923 (diff) | |
PPC::B and PPC::BCC's target operand may be an immediate.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@71282 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/PowerPC/PPCInstrInfo.cpp | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCInstrInfo.cpp b/lib/Target/PowerPC/PPCInstrInfo.cpp index 45f363104e..81ff6c0507 100644 --- a/lib/Target/PowerPC/PPCInstrInfo.cpp +++ b/lib/Target/PowerPC/PPCInstrInfo.cpp @@ -220,9 +220,13 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, // If there is only one terminator instruction, process it. if (I == MBB.begin() || !isUnpredicatedTerminator(--I)) { if (LastInst->getOpcode() == PPC::B) { + if (!LastInst->getOperand(0).isMBB()) + return true; TBB = LastInst->getOperand(0).getMBB(); return false; } else if (LastInst->getOpcode() == PPC::BCC) { + if (!LastInst->getOperand(2).isMBB()) + return true; // Block ends with fall-through condbranch. TBB = LastInst->getOperand(2).getMBB(); Cond.push_back(LastInst->getOperand(0)); @@ -244,6 +248,9 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, // If the block ends with PPC::B and PPC:BCC, handle it. if (SecondLastInst->getOpcode() == PPC::BCC && LastInst->getOpcode() == PPC::B) { + if (!SecondLastInst->getOperand(2).isMBB() || + !LastInst->getOperand(0).isMBB()) + return true; TBB = SecondLastInst->getOperand(2).getMBB(); Cond.push_back(SecondLastInst->getOperand(0)); Cond.push_back(SecondLastInst->getOperand(1)); @@ -255,6 +262,8 @@ bool PPCInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, // executed, so remove it. if (SecondLastInst->getOpcode() == PPC::B && LastInst->getOpcode() == PPC::B) { + if (!SecondLastInst->getOperand(0).isMBB()) + return true; TBB = SecondLastInst->getOperand(0).getMBB(); I = LastInst; if (AllowModify) |