[llvm] 1c31c68 - MCSection: Remove empty printSwitchToSection overrides

[Fangrui Song via llvm-commits]

Author: Fangrui Song
Date: 2025-07-26T12:20:27-07:00
New Revision: 1c31c6801af997eed63cddc52a2912dc999bde1f

URL: https://github.com/llvm/llvm-project/commit/1c31c6801af997eed63cddc52a2912dc999bde1f
DIFF: https://github.com/llvm/llvm-project/commit/1c31c6801af997eed63cddc52a2912dc999bde1f.diff

LOG: MCSection: Remove empty printSwitchToSection overrides

Added: 
    

Modified: 
    llvm/include/llvm/MC/MCSection.h
    llvm/include/llvm/MC/MCSectionDXContainer.h
    llvm/include/llvm/MC/MCSectionSPIRV.h
    llvm/lib/MC/CMakeLists.txt

Removed: 
    llvm/lib/MC/MCSectionDXContainer.cpp


################################################################################
diff  --git a/llvm/include/llvm/MC/MCSection.h b/llvm/include/llvm/MC/MCSection.h
index 937878643d1a0..6ee2ed1e0982b 100644
--- a/llvm/include/llvm/MC/MCSection.h
+++ b/llvm/include/llvm/MC/MCSection.h
@@ -650,7 +650,7 @@ class LLVM_ABI MCSection {
 
   virtual void printSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
                                     raw_ostream &OS,
-                                    uint32_t Subsection) const = 0;
+                                    uint32_t Subsection) const {}
 
   /// Check whether this section is "virtual", that is has no actual object
   /// file contents.

diff  --git a/llvm/include/llvm/MC/MCSectionDXContainer.h b/llvm/include/llvm/MC/MCSectionDXContainer.h
index 2516afa2936fa..7d8e0c50101f7 100644
--- a/llvm/include/llvm/MC/MCSectionDXContainer.h
+++ b/llvm/include/llvm/MC/MCSectionDXContainer.h
@@ -25,10 +25,6 @@ class MCSectionDXContainer final : public MCSection {
 
   MCSectionDXContainer(StringRef Name, SectionKind K, MCSymbol *Begin)
       : MCSection(Name, K.isText(), /*IsVirtual=*/false, Begin) {}
-
-public:
-  void printSwitchToSection(const MCAsmInfo &, const Triple &, raw_ostream &,
-                            uint32_t) const override;
 };
 
 } // end namespace llvm

diff  --git a/llvm/include/llvm/MC/MCSectionSPIRV.h b/llvm/include/llvm/MC/MCSectionSPIRV.h
index 2b3e931dc99e1..685096506cfdc 100644
--- a/llvm/include/llvm/MC/MCSectionSPIRV.h
+++ b/llvm/include/llvm/MC/MCSectionSPIRV.h
@@ -18,8 +18,6 @@
 
 namespace llvm {
 
-class MCSymbol;
-
 class MCSectionSPIRV final : public MCSection {
   friend class MCContext;
 
@@ -27,12 +25,6 @@ class MCSectionSPIRV final : public MCSection {
       : MCSection("", /*IsText=*/true, /*IsVirtual=*/false,
                   /*Begin=*/nullptr) {}
   // TODO: Add StringRef Name to MCSectionSPIRV.
-
-public:
-  ~MCSectionSPIRV() = default;
-  void printSwitchToSection(const MCAsmInfo &MAI, const Triple &T,
-                            raw_ostream &OS,
-                            uint32_t Subsection) const override {}
 };
 
 } // end namespace llvm

diff  --git a/llvm/lib/MC/CMakeLists.txt b/llvm/lib/MC/CMakeLists.txt
index d662c42c522fc..6588628c621dd 100644
--- a/llvm/lib/MC/CMakeLists.txt
+++ b/llvm/lib/MC/CMakeLists.txt
@@ -44,7 +44,6 @@ add_llvm_component_library(LLVMMC
   MCSchedule.cpp
   MCSection.cpp
   MCSectionCOFF.cpp
-  MCSectionDXContainer.cpp
   MCSectionELF.cpp
   MCSectionGOFF.cpp
   MCSectionMachO.cpp

diff  --git a/llvm/lib/MC/MCSectionDXContainer.cpp b/llvm/lib/MC/MCSectionDXContainer.cpp
deleted file mode 100644
index 7eee59d5873db..0000000000000
--- a/llvm/lib/MC/MCSectionDXContainer.cpp
+++ /dev/null
@@ -1,15 +0,0 @@
-//===- lib/MC/MCSectionDXContainer.cpp - DXContainer Section --------------===//
-//
-// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
-// See https://llvm.org/LICENSE.txt for license information.
-// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
-//
-//===----------------------------------------------------------------------===//
-
-#include "llvm/MC/MCSectionDXContainer.h"
-
-using namespace llvm;
-
-void MCSectionDXContainer::printSwitchToSection(const MCAsmInfo &,
-                                                const Triple &, raw_ostream &,
-                                                uint32_t) const {}