diff options
| -rw-r--r-- | lib/Target/ARM/ARMBaseInstrInfo.cpp | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/lib/Target/ARM/ARMBaseInstrInfo.cpp b/lib/Target/ARM/ARMBaseInstrInfo.cpp index 0d1417dd17..6005054271 100644 --- a/lib/Target/ARM/ARMBaseInstrInfo.cpp +++ b/lib/Target/ARM/ARMBaseInstrInfo.cpp @@ -283,14 +283,20 @@ ARMBaseInstrInfo::AnalyzeBranch(MachineBasicBlock &MBB,MachineBasicBlock *&TBB, return false; --I; } - if (!isUnpredicatedTerminator(I)) - return false; // Get the last instruction in the block. MachineInstr *LastInst = I; + unsigned LastOpc = LastInst->getOpcode(); + + // Check if it's an indirect branch first, this should return 'unanalyzable' + // even if it's predicated. + if (isIndirectBranchOpcode(LastOpc)) + return true; + + if (!isUnpredicatedTerminator(I)) + return false; // If there is only one terminator instruction, process it. - unsigned LastOpc = LastInst->getOpcode(); if (I == MBB.begin() || !isUnpredicatedTerminator(--I)) { if (isUncondBranchOpcode(LastOpc)) { TBB = LastInst->getOperand(0).getMBB(); |