diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/LowerSwitch.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/LowerSwitch.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/LowerSwitch.cpp b/llvm/lib/Transforms/Utils/LowerSwitch.cpp index a057f5d0c0f..b90a03c7976 100644 --- a/llvm/lib/Transforms/Utils/LowerSwitch.cpp +++ b/llvm/lib/Transforms/Utils/LowerSwitch.cpp @@ -374,7 +374,8 @@ unsigned LowerSwitch::Clusterify(CaseVector& Cases, SwitchInst *SI) { // If the two neighboring cases go to the same destination, merge them // into a single case. - if ((nextValue-currentValue==1) && (currentBB == nextBB)) { + assert(nextValue > currentValue && "Cases should be strictly ascending"); + if ((nextValue == currentValue + 1) && (currentBB == nextBB)) { I->High = J->High; J = Cases.erase(J); } else { |
