diff options
Diffstat (limited to 'lib/Transforms/Scalar')
| -rw-r--r-- | lib/Transforms/Scalar/JumpThreading.cpp | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Transforms/Scalar/JumpThreading.cpp b/lib/Transforms/Scalar/JumpThreading.cpp index 429b61b..6b8430f 100644 --- a/lib/Transforms/Scalar/JumpThreading.cpp +++ b/lib/Transforms/Scalar/JumpThreading.cpp @@ -670,6 +670,8 @@ bool JumpThreading::ProcessBlock(BasicBlock *BB) { } else if (SwitchInst *SI = dyn_cast<SwitchInst>(Terminator)) { Condition = SI->getCondition(); } else if (IndirectBrInst *IB = dyn_cast<IndirectBrInst>(Terminator)) { + // Can't thread indirect branch with no successors. + if (IB->getNumSuccessors() == 0) return false; Condition = IB->getAddress()->stripPointerCasts(); Preference = WantBlockAddress; } else { |