[clang] [llvm] [mlir] [debuginfo][coro] Emit debug info labels for coroutine resume points (PR #141937)

[Paul T Robinson via cfe-commits]

================
@@ -1478,6 +1479,18 @@ struct SwitchCoroutineSplitter {
   static void createResumeEntryBlock(Function &F, coro::Shape &Shape) {
     LLVMContext &C = F.getContext();
 
+    DIBuilder DBuilder(*F.getParent(), /*AllowUnresolved*/ false);
+    DISubprogram *DIS = F.getSubprogram();
+    // If there is no DISubprogram for F, it implies the function is compiled
+    // without debug info. So we also don't generate debug info for the
+    // suspension points, either.
----------------
pogo59 wrote:

```suggestion
    // without debug info. So we also don't generate debug info for the
    // suspension points.
```

https://github.com/llvm/llvm-project/pull/141937
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