Recommit r224935 with a fix for the ObjC++/AArch64 bug that that revision

introduced.

A test case for the bug was already committed in r225385.

Patch by Rafael Espindola.

llvm-svn: 225534

1 files changed, 0 insertions, 54 deletions

diff --git a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
index 3df1e4ea13e..9f1e06b4725 100644
--- a/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
+++ b/llvm/lib/CodeGen/TargetLoweringObjectFileImpl.cpp
@@ -573,60 +573,6 @@ const MCSection *TargetLoweringObjectFileMachO::getExplicitSectionGlobal(
   return S;
 }
 
-bool TargetLoweringObjectFileMachO::isSectionAtomizableBySymbols(
-    const MCSection &Section) const {
-    const MCSectionMachO &SMO = static_cast<const MCSectionMachO&>(Section);
-
-    // Sections holding 1 byte strings are atomized based on the data
-    // they contain.
-    // Sections holding 2 byte strings require symbols in order to be
-    // atomized.
-    // There is no dedicated section for 4 byte strings.
-    if (SMO.getKind().isMergeable1ByteCString())
-      return false;
-
-    if (SMO.getSegmentName() == "__TEXT" &&
-        SMO.getSectionName() == "__objc_classname" &&
-        SMO.getType() == MachO::S_CSTRING_LITERALS)
-      return false;
-
-    if (SMO.getSegmentName() == "__TEXT" &&
-        SMO.getSectionName() == "__objc_methname" &&
-        SMO.getType() == MachO::S_CSTRING_LITERALS)
-      return false;
-
-    if (SMO.getSegmentName() == "__TEXT" &&
-        SMO.getSectionName() == "__objc_methtype" &&
-        SMO.getType() == MachO::S_CSTRING_LITERALS)
-      return false;
-
-    if (SMO.getSegmentName() == "__DATA" &&
-        SMO.getSectionName() == "__cfstring")
-      return false;
-
-    // no_dead_strip sections are not atomized in practice.
-    if (SMO.hasAttribute(MachO::S_ATTR_NO_DEAD_STRIP))
-      return false;
-
-    switch (SMO.getType()) {
-    default:
-      return true;
-
-      // These sections are atomized at the element boundaries without using
-      // symbols.
-    case MachO::S_4BYTE_LITERALS:
-    case MachO::S_8BYTE_LITERALS:
-    case MachO::S_16BYTE_LITERALS:
-    case MachO::S_LITERAL_POINTERS:
-    case MachO::S_NON_LAZY_SYMBOL_POINTERS:
-    case MachO::S_LAZY_SYMBOL_POINTERS:
-    case MachO::S_MOD_INIT_FUNC_POINTERS:
-    case MachO::S_MOD_TERM_FUNC_POINTERS:
-    case MachO::S_INTERPOSING:
-      return false;
-    }
-}
-
 const MCSection *TargetLoweringObjectFileMachO::
 SelectSectionForGlobal(const GlobalValue *GV, SectionKind Kind,
                        Mangler &Mang, const TargetMachine &TM) const {