assert(0) -> LLVM_UNREACHABLE.
Make llvm_unreachable take an optional string, thus moving the cerr<< out of
line.
LLVM_UNREACHABLE is now a simple wrapper that makes the message go away for
NDEBUG builds.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@75379 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/LoopDependenceAnalysis.cpp b/lib/Analysis/LoopDependenceAnalysis.cpp
index f605783..79f92a6 100644
--- a/lib/Analysis/LoopDependenceAnalysis.cpp
+++ b/lib/Analysis/LoopDependenceAnalysis.cpp
@@ -24,6 +24,7 @@
 #include "llvm/Analysis/ScalarEvolution.h"
 #include "llvm/Instructions.h"
 #include "llvm/Support/Debug.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Target/TargetData.h"
 using namespace llvm;
 
@@ -63,7 +64,7 @@
     return i->getPointerOperand();
   if (StoreInst *i = dyn_cast<StoreInst>(I))
     return i->getPointerOperand();
-  assert(0 && "Value is no load or store instruction!");
+  LLVM_UNREACHABLE("Value is no load or store instruction!");
   // Never reached.
   return 0;
 }