/// This function calls abort(), and prints the optional message to stderr.
/// Call this instead of assert(0), so that compiler knows the path is not
/// reachable even for NDEBUG builds.
- void llvm_unreachable(const char *msg=0) NORETURN;
+ /// Use the LLVM_UNREACHABLE macro instead that adds location info.
+ void llvm_unreachable(const char *msg=0, const char *file=0,
+ unsigned line=0) NORETURN;
}
+/// Macro that calls llvm_unreachable with location info and message in
+/// debug mode. In NDEBUG mode it calls llvm_unreachable with no message.
#ifndef NDEBUG
-#define LLVM_UNREACHABLE(msg) llvm_unreachable(msg)
+#define LLVM_UNREACHABLE(msg) llvm_unreachable(msg, __FILE__, __LINE__)
#else
#define LLVM_UNREACHABLE(msg) llvm_unreachable()
#endif