diff options
Diffstat (limited to 'llvm/lib')
| -rw-r--r-- | llvm/lib/Transforms/InstCombine/InstructionCombining.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp index c0fb365cb88..f48b1be5168 100644 --- a/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp +++ b/llvm/lib/Transforms/InstCombine/InstructionCombining.cpp @@ -2176,6 +2176,7 @@ Instruction *InstCombiner::visitSwitchInst(SwitchInst &SI) { unsigned LeadingKnownOnes = KnownOne.countLeadingOnes(); // Compute the number of leading bits we can ignore. + // TODO: A better way to determine this would use ComputeNumSignBits(). for (auto &C : SI.cases()) { LeadingKnownZeros = std::min( LeadingKnownZeros, C.getCaseValue()->getValue().countLeadingZeros()); @@ -2189,7 +2190,7 @@ Instruction *InstCombiner::visitSwitchInst(SwitchInst &SI) { // This may produce a non-standard type for the switch, but that's ok because // the backend should extend back to a legal type for the target. bool TruncCond = false; - if (NewWidth > 0 && NewWidth < BitWidth) { + if (NewWidth > 0 && NewWidth < BitWidth) { TruncCond = true; IntegerType *Ty = IntegerType::get(SI.getContext(), NewWidth); Builder->SetInsertPoint(&SI); |
