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.

llvm-svn: 75379

1 files changed, 2 insertions, 2 deletions

diff --git a/llvm/lib/VMCore/Verifier.cpp b/llvm/lib/VMCore/Verifier.cpp
index 5d800aff906..1f43569dde5 100644
--- a/llvm/lib/VMCore/Verifier.cpp
+++ b/llvm/lib/VMCore/Verifier.cpp
@@ -208,7 +208,7 @@ namespace {
       if (!Broken) return false;
       msgs << "Broken module found, ";
       switch (action) {
-      default: assert(0 && "Unknown action");
+      default: LLVM_UNREACHABLE("Unknown action");
       case AbortProcessAction:
         msgs << "compilation aborted!\n";
         cerr << msgs.str();
@@ -1117,7 +1117,7 @@ void Verifier::visitBinaryOperator(BinaryOperator &B) {
             "Shift return type must be same as operands!", &B);
     break;
   default:
-    assert(0 && "Unknown BinaryOperator opcode!");
+    LLVM_UNREACHABLE("Unknown BinaryOperator opcode!");
   }
 
   visitInstruction(B);