[RemoveDIs][AsmWriter] Process DbgRecord DebugLocs

[OCHyams]

Otherwise DILocations sometimes get printed inline rather than as !dbg attachments in debug prints.

[llvmbot]

@llvm/pr-subscribers-llvm-ir

Author: Orlando Cazalet-Hyams (OCHyams)

Changes

Otherwise DILocations sometimes get printed inline rather than as !dbg attachments in debug prints.

---

Full diff: https://github.com/llvm/llvm-project/pull/82482.diff

1 Files Affected:

• (modified) llvm/lib/IR/AsmWriter.cpp (+1)

diff --git a/llvm/lib/IR/AsmWriter.cpp b/llvm/lib/IR/AsmWriter.cpp
index 251485a403fee6..02537c604eb7ad 100644
--- a/llvm/lib/IR/AsmWriter.cpp
+++ b/llvm/lib/IR/AsmWriter.cpp
@@ -1139,6 +1139,7 @@ void SlotTracker::processFunctionMetadata(const Function &F) {
 }
 
 void SlotTracker::processDbgRecordMetadata(const DbgRecord &DR) {
+  CreateMetadataSlot(DR.getDebugLoc());
   if (const DPValue *DPV = dyn_cast<const DPValue>(&DR)) {
     CreateMetadataSlot(DPV->getVariable());
     CreateMetadataSlot(DPV->getDebugLoc());

[OCHyams]

I misread that DebugLocs were already tracked here - this came up while looking at llvm.dbg.labels - the problem doesn't exist in main yet and is of my making. Ignore this!