[llvm] [BOLT][DWARF][NFC] Remove DWO ranges base (PR #99284)

[Sayhaan Siddiqui via llvm-commits]

https://github.com/sayhaan updated https://github.com/llvm/llvm-project/pull/99284

>From ae0a2b27c714619b7b29460bbed3a97f3a7b44c8 Mon Sep 17 00:00:00 2001
From: Sayhaan Siddiqui <sayhaan at meta.com>
Date: Wed, 17 Jul 2024 00:18:48 -0700
Subject: [PATCH 1/2] Remove dead code for DWORangesBase

Summary:

Test Plan:

Reviewers:

Subscribers:

Tasks:

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Differential Revision: https://phabricator.intern.facebook.com/D59867916
---
 bolt/include/bolt/Rewrite/DWARFRewriter.h | 9 ---------
 bolt/lib/Rewrite/DWARFRewriter.cpp        | 1 -
 2 files changed, 10 deletions(-)

diff --git a/bolt/include/bolt/Rewrite/DWARFRewriter.h b/bolt/include/bolt/Rewrite/DWARFRewriter.h
index abd18b56113b6..b798c5b76fc28 100644
--- a/bolt/include/bolt/Rewrite/DWARFRewriter.h
+++ b/bolt/include/bolt/Rewrite/DWARFRewriter.h
@@ -95,9 +95,6 @@ class DWARFRewriter {
 
   std::mutex LocListDebugInfoPatchesMutex;
 
-  /// Dwo id specific its RangesBase.
-  std::unordered_map<uint64_t, uint64_t> DwoRangesBase;
-
   std::unordered_map<DWARFUnit *, uint64_t> LineTablePatchMap;
   std::unordered_map<const DWARFUnit *, uint64_t> TypeUnitRelocMap;
 
@@ -191,12 +188,6 @@ class DWARFRewriter {
   /// Update stmt_list for CUs based on the new .debug_line \p Layout.
   void updateLineTableOffsets(const MCAssembler &Asm);
 
-  uint64_t getDwoRangesBase(uint64_t DWOId) { return DwoRangesBase[DWOId]; }
-
-  void setDwoRangesBase(uint64_t DWOId, uint64_t RangesBase) {
-    DwoRangesBase[DWOId] = RangesBase;
-  }
-
   using OverriddenSectionsMap = std::unordered_map<DWARFSectionKind, StringRef>;
   /// Output .dwo files.
   void writeDWOFiles(DWARFUnit &, const OverriddenSectionsMap &,
diff --git a/bolt/lib/Rewrite/DWARFRewriter.cpp b/bolt/lib/Rewrite/DWARFRewriter.cpp
index 042c39a574561..4ba6344925856 100644
--- a/bolt/lib/Rewrite/DWARFRewriter.cpp
+++ b/bolt/lib/Rewrite/DWARFRewriter.cpp
@@ -719,7 +719,6 @@ void DWARFRewriter::updateDebugInfo() {
       } else {
         TempRangesSectionWriter = LegacyRangesWritersByCU[*DWOId].get();
         RangesBase = RangesSectionWriter->getSectionOffset();
-        setDwoRangesBase(*DWOId, *RangesBase);
       }
 
       updateUnitDebugInfo(*(*SplitCU), DWODIEBuilder, DebugLocDWoWriter,

>From 3fbb5f5cb5c57a0a6f8bef43825163f91b4d20fe Mon Sep 17 00:00:00 2001
From: Sayhaan Siddiqui <sayhaan at meta.com>
Date: Wed, 17 Jul 2024 10:46:46 -0700
Subject: [PATCH 2/2] Rerun CI