[InstrRef][NFC] Improve diagram illustrating locations

[felipepiovezan]

The "register number" arrow should point to LocationID, not LocIdx.

[llvmbot]

@llvm/pr-subscribers-debuginfo

Changes

The "register number" arrow should point to LocationID, not LocIdx.

---

Full diff: https://github.com/llvm/llvm-project/pull/66944.diff

1 Files Affected:

• (modified) llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h (+2-2)

diff --git a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h
index 30de18e53c4fb43..5e94962f9d7e648 100644
--- a/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h
+++ b/llvm/lib/CodeGen/LiveDebugValues/InstrRefBasedImpl.h
@@ -602,8 +602,8 @@ class LocIdxToIndexFunctor {
 /// Slot Num (%stack.0)   /
 /// FrameIdx => SpillNum /
 ///              \      /
-///           SpillID (int)              Register number (int)
-///                      \                  /
+///           SpillID (int)   Register number (int)
+///                      \       /
 ///                      LocationID => LocIdx
 ///                                |
 ///                       LocIdx => ValueIDNum

[jmorse]

LGTM (cheers for spotting!)