================
@@ -27,6 +27,21 @@ namespace llvm {
class Function;
#if LLVM_ENABLE_DEBUGLOC_COVERAGE_TRACKING
+#if LLVM_ENABLE_DEBUGLOC_ORIGIN_TRACKING
+ struct DbgLocOrigin {
+ static constexpr unsigned long MaxDepth = 16;
+ using StackTracesTy =
+ SmallVector<std::pair<int, std::array<void *, MaxDepth>>, 0>;
----------------
SLTozer wrote:
Most of the time we store 0 stacktraces, but when we do store a stacktrace
there may be any number of them - the `addTrace` function adds a new stacktrace
to the vector, and is used whenever the DebugLoc is "transferred", so that we
can track the motion of a missing debug location through the program.
https://github.com/llvm/llvm-project/pull/143592
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