diff options
Diffstat (limited to 'llvm/lib/Transforms/Utils/SimplifyCFG.cpp')
| -rw-r--r-- | llvm/lib/Transforms/Utils/SimplifyCFG.cpp | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp index e9152b8e88b..1c2c763cea0 100644 --- a/llvm/lib/Transforms/Utils/SimplifyCFG.cpp +++ b/llvm/lib/Transforms/Utils/SimplifyCFG.cpp @@ -4380,7 +4380,7 @@ static bool EliminateDeadSwitchCases(SwitchInst *SI, AssumptionCache *AC, SmallVector<ConstantInt *, 8> DeadCases; for (auto &Case : SI->cases()) { APInt CaseVal = Case.getCaseValue()->getValue(); - if ((CaseVal & KnownZero) != 0 || (CaseVal & KnownOne) != KnownOne || + if (KnownZero.intersects(CaseVal) || !KnownOne.isSubsetOf(CaseVal) || (CaseVal.getMinSignedBits() > MaxSignificantBitsInCond)) { DeadCases.push_back(Case.getCaseValue()); DEBUG(dbgs() << "SimplifyCFG: switch case " << CaseVal << " is dead.\n"); |
