[llvm] [DebugInfo] Suppress lots of users of DbgValueInst (PR #149476)

[Nikita Popov via llvm-commits]

================
@@ -9065,15 +9023,8 @@ bool CodeGenPrepare::placeDbgValues(Function &F) {
 
   for (BasicBlock &BB : F) {
     for (Instruction &Insn : llvm::make_early_inc_range(BB)) {
-      // Process dbg.value intrinsics.
-      DbgValueInst *DVI = dyn_cast<DbgValueInst>(&Insn);
-      if (DVI) {
-        DbgProcessor(DVI, DVI);
-        continue;
-      }
-
-      // If this isn't a dbg.value, process any attached DbgVariableRecord
-      // records attached to this instruction.
+      // Process any attached DbgVariableRecord records attached to this
----------------
nikic wrote:

```suggestion
      // Process any DbgVariableRecord records attached to this
```
Double attached :)

https://github.com/llvm/llvm-project/pull/149476