================
@@ -55,22 +70,29 @@ namespace llvm {
Temporary
};
- // Extends TrackingMDNodeRef to also store a DebugLocKind, allowing Debugify
- // to ignore intentionally-empty DebugLocs.
- class DILocAndCoverageTracking : public TrackingMDNodeRef {
+ // Extends TrackingMDNodeRef to also store a DebugLocKind and Origin,
+ // allowing Debugify to ignore intentionally-empty DebugLocs and display the
+ // code responsible for generating unintentionally-empty DebugLocs.
+ // Currently we only need to track the Origin of this DILoc when using a
+ // DebugLoc that is not annotated (i.e. has DebugLocKind::Normal) and has a
+ // null DILocation, so only collect the origin stacktrace in those cases.
+ class DILocAndCoverageTracking : public TrackingMDNodeRef,
+ public DbgLocOrigin {
----------------
SLTozer wrote:
We could manage without it, but the reason I use inheritance here is that this
allows `DILocAndCoverageTracking` to automatically have the same public
functions as `DbgLocOrigin`, meaning we conditionally have the origin-tracking
functions enabled without having to repeat ourselves here.
https://github.com/llvm/llvm-project/pull/143592
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