Remove unreachable code. (replace with llvm_unreachable to help GCC where necessary)

llvm-svn: 148284

3 files changed, 0 insertions, 3 deletions

diff --git a/llvm/lib/Transforms/Scalar/ObjCARC.cpp b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
index 756e56579d8..03b287f1755 100644
--- a/llvm/lib/Transforms/Scalar/ObjCARC.cpp
+++ b/llvm/lib/Transforms/Scalar/ObjCARC.cpp
@@ -1886,7 +1886,6 @@ Depends(DependenceKind Flavor, Instruction *Inst, const Value *Arg,
   }
 
   llvm_unreachable("Invalid dependence flavor");
-  return true;
 }
 
 /// FindDependencies - Walk up the CFG from StartPos (which is in StartBB) and
diff --git a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
index ef4a47361e2..3859a1aec4a 100644
--- a/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
+++ b/llvm/lib/Transforms/Utils/BasicBlockUtils.cpp
@@ -249,7 +249,6 @@ unsigned llvm::GetSuccessorNumber(BasicBlock *BB, BasicBlock *Succ) {
     if (Term->getSuccessor(i) == Succ)
       return i;
   }
-  return 0;
 }
 
 /// SplitEdge -  Split the edge connecting specified block. Pass P must 
diff --git a/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp b/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp
index e336e9a5a2c..8983e0c4f05 100644
--- a/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp
+++ b/llvm/lib/Transforms/Utils/CmpInstAnalysis.cpp
@@ -59,7 +59,6 @@ unsigned llvm::getICmpCode(const ICmpInst *ICI, bool InvertPred) {
       // True -> 7
     default:
       llvm_unreachable("Invalid ICmp predicate!");
-      return 0;
   }
 }