================
@@ -90,12 +90,23 @@ class IRBuilderCallbackInserter : public
IRBuilderDefaultInserter {
/// Common base class shared among various IRBuilders.
class IRBuilderBase {
/// Pairs of (metadata kind, MDNode *) that should be added to all newly
- /// created instructions, like !dbg metadata.
+ /// created instructions, excluding !dbg metadata, which is stored in the
+ // StoredDL field.
SmallVector<std::pair<unsigned, MDNode *>, 2> MetadataToCopy;
+ // The DebugLoc that will be applied to instructions inserted by this
builder.
+ DebugLoc StoredDL;
+ // Tracks whether we have explicitly set a DebugLoc - valid or empty - in
this
+ // builder, to determine whether to copy StoredDL to inserted instructions.
+ // We use this bool instead of an optional because we may stil want to copy
----------------
jryans wrote:
stil -> still
https://github.com/llvm/llvm-project/pull/108214
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