================
@@ -22,6 +23,67 @@ namespace llvm {
class LLVMContext;
class raw_ostream;
class DILocation;
+ class Function;
+
+#if ENABLE_DEBUGLOC_COVERAGE_TRACKING
+ // Used to represent different "kinds" of DebugLoc, expressing that a
DebugLoc
+ // is either ordinary, containing a valid DILocation, or otherwise describing
+ // the reason why the DebugLoc does not contain a valid DILocation.
+ enum class DebugLocKind : uint8_t {
+ // DebugLoc is expected to contain a valid DILocation.
+ Normal,
+ // DebugLoc intentionally does not have a valid DILocation; may be for a
+ // compiler-generated instruction, or an explicitly dropped location.
+ LineZero,
----------------
jryans wrote:
Hmm, I'd really prefer the name of this case to clearly state the "intentional"
aspect. Perhaps `IntentionallyZero`...?
Another approach might be to have separate enum values for the different
reasons, e.g. `CompilerGenerated`, `ExplicitlyDropped`, and whatever the others
might be. Stating these cases very clearly, not just in comments, but also via
enum value would appear to be a very valuable capturing of intent to me.
(However, maybe it is too much trouble to do so...? Please say that if so.)
https://github.com/llvm/llvm-project/pull/107279
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