[clang] [clang][bytecode] print array root state in Pointer::print() (PR #193494)

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llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-clang

Author: Timm Baeder (tbaederr)

<details>
<summary>Changes</summary>

And check isZero() so later output checks don't run into null pointers as much.

---
Full diff: https://github.com/llvm/llvm-project/pull/193494.diff


1 Files Affected:

- (modified) clang/lib/AST/ByteCode/Pointer.h (+6-1) 


``````````diff
diff --git a/clang/lib/AST/ByteCode/Pointer.h b/clang/lib/AST/ByteCode/Pointer.h
index 1c2b2f7699d17..9cc7af4c78241 100644
--- a/clang/lib/AST/ByteCode/Pointer.h
+++ b/clang/lib/AST/ByteCode/Pointer.h
@@ -888,6 +888,9 @@ class Pointer {
 inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const Pointer &P) {
   P.print(OS);
   OS << ' ';
+  if (P.isZero())
+    return OS;
+
   if (const Descriptor *D = P.getFieldDesc())
     D->dump(OS);
   if (P.isArrayElement()) {
@@ -895,7 +898,9 @@ inline llvm::raw_ostream &operator<<(llvm::raw_ostream &OS, const Pointer &P) {
       OS << " one-past-the-end";
     else
       OS << " index " << P.getIndex();
-  }
+  } else if (P.isArrayRoot())
+    OS << " arrayroot";
+
   if (P.isBlockPointer() && P.block() && P.block()->isDummy())
     OS << " dummy";
   if (!P.isLive())

``````````

</details>


https://github.com/llvm/llvm-project/pull/193494