diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index 32060fa..f3bea40 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -5128,8 +5128,9 @@ static bool ReduceSwitchRange(SwitchInst *SI, IRBuilder<> &Builder, Builder.SetInsertPoint(SI); auto *ShiftC = ConstantInt::get(Ty, Shift); auto *Sub = Builder.CreateSub(SI->getCondition(), ConstantInt::get(Ty, Base)); - auto *Rot = Builder.CreateOr(Builder.CreateLShr(Sub, ShiftC), - Builder.CreateShl(Sub, Ty->getBitWidth() - Shift)); + auto *LShr = Builder.CreateLShr(Sub, ShiftC); + auto *Shl = Builder.CreateShl(Sub, Ty->getBitWidth() - Shift); + auto *Rot = Builder.CreateOr(LShr, Shl); SI->replaceUsesOfWith(SI->getCondition(), Rot); for (SwitchInst::CaseIt C = SI->case_begin(), E = SI->case_end(); C != E; |