================
@@ -339,8 +355,18 @@ class CoverageMappingBuilder {
llvm::SmallSet<FileID, 8> Visited;
SmallVector<std::pair<SourceLocation, unsigned>, 8> FileLocs;
- for (const auto &Region : SourceRegions) {
+ for (auto &Region : SourceRegions) {
SourceLocation Loc = Region.getBeginLoc();
+
+ // Replace Region with its definition if it is in <scratch space>.
+ while (Loc.isMacroID() &&
+ SM.isWrittenInScratchSpace(SM.getSpellingLoc(Loc))) {
+ auto ExpansionRange = SM.getImmediateExpansionRange(Loc);
+ Loc = ExpansionRange.getBegin();
+ Region.setStartLoc(Loc);
+ Region.setEndLoc(ExpansionRange.getEnd());
+ }
----------------
chapuni wrote:
Could we split out and unify this?
https://github.com/llvm/llvm-project/pull/89869
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