3 files changed, 0 insertions, 7 deletions

diff --git a/llvm/lib/Analysis/AliasAnalysisCounter.cpp b/llvm/lib/Analysis/AliasAnalysisCounter.cpp
index d947220e078..a7744c9b2db 100644
--- a/llvm/lib/Analysis/AliasAnalysisCounter.cpp
+++ b/llvm/lib/Analysis/AliasAnalysisCounter.cpp
@@ -129,7 +129,6 @@ AliasAnalysisCounter::alias(const Location &LocA, const Location &LocB) {
 
   const char *AliasString;
   switch (R) {
-  default: llvm_unreachable("Unknown alias type!");
   case NoAlias:   No++;   AliasString = "No alias"; break;
   case MayAlias:  May++;  AliasString = "May alias"; break;
   case PartialAlias: Partial++; AliasString = "Partial alias"; break;
@@ -156,7 +155,6 @@ AliasAnalysisCounter::getModRefInfo(ImmutableCallSite CS,
 
   const char *MRString;
   switch (R) {
-  default:       llvm_unreachable("Unknown mod/ref type!");
   case NoModRef: NoMR++;     MRString = "NoModRef"; break;
   case Ref:      JustRef++;  MRString = "JustRef"; break;
   case Mod:      JustMod++;  MRString = "JustMod"; break;
diff --git a/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp b/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp
index 37271b94a20..ac72983a8d7 100644
--- a/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp
+++ b/llvm/lib/Analysis/AliasAnalysisEvaluator.cpp
@@ -193,8 +193,6 @@ bool AAEval::runOnFunction(Function &F) {
       case AliasAnalysis::MustAlias:
         PrintResults("MustAlias", PrintMustAlias, *I1, *I2, F.getParent());
         ++MustAlias; break;
-      default:
-        errs() << "Unknown alias query result!\n";
       }
     }
   }
@@ -223,8 +221,6 @@ bool AAEval::runOnFunction(Function &F) {
       case AliasAnalysis::ModRef:
         PrintModRefResults("Both ModRef", PrintModRef, I, *V, F.getParent());
         ++ModRef; break;
-      default:
-        errs() << "Unknown alias query result!\n";
       }
     }
   }
diff --git a/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp b/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
index c66ecd6e872..2565ae753e9 100644
--- a/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
+++ b/llvm/lib/Analysis/ScalarEvolutionNormalization.cpp
@@ -118,7 +118,6 @@ TransformImpl(const SCEV *S, Instruction *User, Value *OperandValToReplace) {
     // Conservatively use AnyWrap until/unless we need FlagNW.
     const SCEV *Result = SE.getAddRecExpr(Operands, L, SCEV::FlagAnyWrap);
     switch (Kind) {
-    default: llvm_unreachable("Unexpected transform name!");
     case NormalizeAutodetect:
       if (IVUseShouldUsePostIncValue(User, OperandValToReplace, L, &DT)) {
         const SCEV *TransformedStep =