[Lldb-commits] [PATCH] D123203: [lldb] Silence GCC warnings about missing returns after fully covered switches. NFC.

[Martin Storsjö via Phabricator via lldb-commits]

mstorsjo created this revision.
mstorsjo added a reviewer: labath.
Herald added a project: All.
mstorsjo requested review of this revision.
Herald added a project: LLDB.

This silences warnings like this:

lldb/source/Core/DebuggerEvents.cpp: In member function ‘llvm::StringRef 
lldb_private::DiagnosticEventData::GetPrefix() const’:
lldb/source/Core/DebuggerEvents.cpp:55:1: warning: control reaches end of 
non-void function [-Wreturn-type]

  55 | }


Repository:
  rG LLVM Github Monorepo

https://reviews.llvm.org/D123203

Files:
  lldb/source/Breakpoint/Breakpoint.cpp
  lldb/source/Core/DebuggerEvents.cpp
  lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp


Index: lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp
===================================================================
--- lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp
+++ lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp
@@ -102,6 +102,7 @@
     case BitOffset:
       return 10;
     }
+    llvm_unreachable("Fully covered switch above!");
   };
 
   auto createError = [&](const char *expected_value_message) {
Index: lldb/source/Core/DebuggerEvents.cpp
===================================================================
--- lldb/source/Core/DebuggerEvents.cpp
+++ lldb/source/Core/DebuggerEvents.cpp
@@ -52,6 +52,7 @@
   case Type::Error:
     return "error";
   }
+  llvm_unreachable("Fully covered switch above!");
 }
 
 void DiagnosticEventData::Dump(Stream *s) const {
Index: lldb/source/Breakpoint/Breakpoint.cpp
===================================================================
--- lldb/source/Breakpoint/Breakpoint.cpp
+++ lldb/source/Breakpoint/Breakpoint.cpp
@@ -1026,6 +1026,7 @@
     case eBreakpointEventTypeThreadChanged: return "thread changed";
     case eBreakpointEventTypeAutoContinueChanged: return "autocontinue 
changed";
   };
+  llvm_unreachable("Fully covered switch above!");
 }
 
 Log *Breakpoint::BreakpointEventData::GetLogChannel() {



Index: lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp
===================================================================
--- lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp
+++ lldb/source/Plugins/Process/Linux/IntelPTCollector.cpp
@@ -102,6 +102,7 @@
     case BitOffset:
       return 10;
     }
+    llvm_unreachable("Fully covered switch above!");
   };
 
   auto createError = [&](const char *expected_value_message) {
Index: lldb/source/Core/DebuggerEvents.cpp
===================================================================
--- lldb/source/Core/DebuggerEvents.cpp
+++ lldb/source/Core/DebuggerEvents.cpp
@@ -52,6 +52,7 @@
   case Type::Error:
     return "error";
   }
+  llvm_unreachable("Fully covered switch above!");
 }
 
 void DiagnosticEventData::Dump(Stream *s) const {
Index: lldb/source/Breakpoint/Breakpoint.cpp
===================================================================
--- lldb/source/Breakpoint/Breakpoint.cpp
+++ lldb/source/Breakpoint/Breakpoint.cpp
@@ -1026,6 +1026,7 @@
     case eBreakpointEventTypeThreadChanged: return "thread changed";
     case eBreakpointEventTypeAutoContinueChanged: return "autocontinue changed";
   };
+  llvm_unreachable("Fully covered switch above!");
 }
 
 Log *Breakpoint::BreakpointEventData::GetLogChannel() {

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