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/Target/PIC16/PIC16InstrInfo.cpp b/lib/Target/PIC16/PIC16InstrInfo.cpp
index 8418423fa0..dad0266b7b 100644
--- a/lib/Target/PIC16/PIC16InstrInfo.cpp
+++ b/lib/Target/PIC16/PIC16InstrInfo.cpp
@@ -20,6 +20,7 @@
 #include "llvm/CodeGen/MachineFunction.h"
 #include "llvm/CodeGen/MachineInstrBuilder.h"
 #include "llvm/CodeGen/MachineRegisterInfo.h"
+#include "llvm/Support/ErrorHandling.h"
 #include <cstdio>
 
 
@@ -104,7 +105,7 @@ void PIC16InstrInfo::storeRegToStackSlot(MachineBasicBlock &MBB,
       .addImm(1); // Emit banksel for it.
   }
   else
-    assert(0 && "Can't store this register to stack slot");
+    LLVM_UNREACHABLE("Can't store this register to stack slot");
 }
 
 void PIC16InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB, 
@@ -144,7 +145,7 @@ void PIC16InstrInfo::loadRegFromStackSlot(MachineBasicBlock &MBB,
       .addImm(1); // Emit banksel for it.
   }
   else
-    assert(0 && "Can't load this register from stack slot");
+    LLVM_UNREACHABLE("Can't load this register from stack slot");
 }
 
 bool PIC16InstrInfo::copyRegToReg (MachineBasicBlock &MBB,