[llvm] 3dc5f50 - [CodeGen] Remove dead accessors and variables in Machine* (NFC) (#224216)

[via llvm-commits]

Author: Kazu Hirata
Date: 2026-09-17T09:01:09-07:00
New Revision: 3dc5f505e302264758aef026531fe7443e569993

URL: https://github.com/llvm/llvm-project/commit/3dc5f505e302264758aef026531fe7443e569993
DIFF: https://github.com/llvm/llvm-project/commit/3dc5f505e302264758aef026531fe7443e569993.diff

LOG: [CodeGen] Remove dead accessors and variables in Machine* (NFC) (#224216)

MachineBasicBlock::PrefetchTargets:
Introduced on April 10, 2026 in commit
2f422a52fde267757ce48041af6e731421fed2a3 without any uses.

MachineInstrSpan::getInitial:
Introduced on August 14, 2013 in commit
c3f912b945ce6813e874b7a11c29ea2b3f2b54ff without any callers.

MachineConstantPool::getDataLayout:
The last use was removed on July 7, 2015 in commit
42e9f967127e5efea4c3b8638c9c4da8ad885fba.

SEHHandler / LandingPadInfo::SEHHandlers:
The last uses were removed on June 13, 2022 in commit
a2232da2a5d207126e1777fb33b61a16109ae38e.

MachineFunction::PersonalityTypeCache:
Moved from MachineModuleInfo on December 1, 2016 in commit
d0ee66c2e9de28cb1111663ba42468305f8d55fa without any uses.

Added: 
    

Modified: 
    llvm/include/llvm/CodeGen/MachineBasicBlock.h
    llvm/include/llvm/CodeGen/MachineConstantPool.h
    llvm/include/llvm/CodeGen/MachineFunction.h

Removed: 
    


################################################################################
diff  --git a/llvm/include/llvm/CodeGen/MachineBasicBlock.h b/llvm/include/llvm/CodeGen/MachineBasicBlock.h
index d5c31c4b7281b..215562968158f 100644
--- a/llvm/include/llvm/CodeGen/MachineBasicBlock.h
+++ b/llvm/include/llvm/CodeGen/MachineBasicBlock.h
@@ -213,8 +213,6 @@ class MachineBasicBlock
   /// basic block sections and basic block labels.
   std::optional<UniqueBBID> BBID;
 
-  SmallVector<unsigned> PrefetchTargets;
-
   /// With basic block sections, this stores the Section ID of the basic block.
   MBBSectionID SectionID{0};
 
@@ -1475,8 +1473,6 @@ class MachineInstrSpan {
   }
   MachineBasicBlock::iterator end() { return E; }
   bool empty() { return begin() == end(); }
-
-  MachineBasicBlock::iterator getInitial() { return I; }
 };
 
 /// Increment \p It until it points to a non-debug instruction or to \p End

diff  --git a/llvm/include/llvm/CodeGen/MachineConstantPool.h b/llvm/include/llvm/CodeGen/MachineConstantPool.h
index c44a991823f96..b36c8b719a11e 100644
--- a/llvm/include/llvm/CodeGen/MachineConstantPool.h
+++ b/llvm/include/llvm/CodeGen/MachineConstantPool.h
@@ -121,8 +121,6 @@ class MachineConstantPool {
   DenseSet<MachineConstantPoolValue*> MachineCPVsSharingEntries;
   const DataLayout &DL;
 
-  const DataLayout &getDataLayout() const { return DL; }
-
 public:
   /// The only constructor.
   explicit MachineConstantPool(const DataLayout &DL)

diff  --git a/llvm/include/llvm/CodeGen/MachineFunction.h b/llvm/include/llvm/CodeGen/MachineFunction.h
index 94386510b9f8a..f30fe42feddf7 100644
--- a/llvm/include/llvm/CodeGen/MachineFunction.h
+++ b/llvm/include/llvm/CodeGen/MachineFunction.h
@@ -271,20 +271,11 @@ class MachineFunctionProperties {
   std::bitset<static_cast<unsigned>(Property::LastProperty) + 1> Properties;
 };
 
-struct SEHHandler {
-  /// Filter or finally function. Null indicates a catch-all.
-  const Function *FilterOrFinally;
-
-  /// Address of block to recover at. Null for a finally handler.
-  const BlockAddress *RecoverBA;
-};
-
 /// This structure is used to retain landing pad info for the current function.
 struct LandingPadInfo {
   MachineBasicBlock *LandingPadBlock;      // Landing pad block.
   SmallVector<MCSymbol *, 1> BeginLabels;  // Labels prior to invoke.
   SmallVector<MCSymbol *, 1> EndLabels;    // Labels after invoke.
-  SmallVector<SEHHandler, 1> SEHHandlers;  // SEH handlers active at this lpad.
   MCSymbol *LandingPadLabel = nullptr;     // Label at beginning of landing pad.
   std::vector<int> TypeIds;                // List of type ids (filters negative).
 
@@ -434,8 +425,6 @@ class LLVM_ABI MachineFunction {
   /// List of the indices in FilterIds corresponding to filter terminators.
   std::vector<unsigned> FilterEnds;
 
-  EHPersonality PersonalityTypeCache = EHPersonality::Unknown;
-
   /// \}
 
   /// Clear all the members of this MachineFunction, but the ones used to