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

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/CodeGen/MachOCodeEmitter.cpp b/lib/CodeGen/MachOCodeEmitter.cpp
index fccbf65705..a076a3c475 100644
--- a/lib/CodeGen/MachOCodeEmitter.cpp
+++ b/lib/CodeGen/MachOCodeEmitter.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Target/TargetAsmInfo.h"
 #include "llvm/Target/TargetData.h"
 #include "llvm/Target/TargetMachine.h"
+#include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/Mangler.h"
 #include "llvm/Support/OutputBuffer.h"
 #include <vector>
@@ -104,7 +105,7 @@ bool MachOCodeEmitter::finishFunction(MachineFunction &MF) {
       // FIXME: This should be a set or something that uniques
       MOW.PendingGlobals.push_back(MR.getGlobalValue());
     } else {
-      assert(0 && "Unhandled relocation type");
+      LLVM_UNREACHABLE("Unhandled relocation type");
     }
     MOS->addRelocation(MR);
   }