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, 3 insertions, 2 deletions

diff --git a/lib/VMCore/AutoUpgrade.cpp b/lib/VMCore/AutoUpgrade.cpp
index 378df839ad..f3aa742c6b 100644
--- a/lib/VMCore/AutoUpgrade.cpp
+++ b/lib/VMCore/AutoUpgrade.cpp
@@ -19,6 +19,7 @@
 #include "llvm/Instructions.h"
 #include "llvm/Intrinsics.h"
 #include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/ErrorHandling.h"
 #include <cstring>
 using namespace llvm;
 
@@ -333,13 +334,13 @@ void llvm::UpgradeIntrinsicCall(CallInst *CI, Function *NewFn) {
       //  Clean up the old call now that it has been completely upgraded.
       CI->eraseFromParent();
     } else {
-      assert(0 && "Unknown function for CallInst upgrade.");
+      LLVM_UNREACHABLE("Unknown function for CallInst upgrade.");
     }
     return;
   }
 
   switch (NewFn->getIntrinsicID()) {
-  default:  assert(0 && "Unknown function for CallInst upgrade.");
+  default:  LLVM_UNREACHABLE("Unknown function for CallInst upgrade.");
   case Intrinsic::x86_mmx_psll_d:
   case Intrinsic::x86_mmx_psll_q:
   case Intrinsic::x86_mmx_psll_w: