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-rw-r--r--llvm/lib/MC/MCAsmInfoDarwin.cpp17
1 files changed, 16 insertions, 1 deletions
diff --git a/llvm/lib/MC/MCAsmInfoDarwin.cpp b/llvm/lib/MC/MCAsmInfoDarwin.cpp
index f7054902f24..04cc0ff4a86 100644
--- a/llvm/lib/MC/MCAsmInfoDarwin.cpp
+++ b/llvm/lib/MC/MCAsmInfoDarwin.cpp
@@ -27,7 +27,22 @@ bool MCAsmInfoDarwin::isSectionAtomizableBySymbols(
// contain.
// Sections holding 2 byte strings require symbols in order to be atomized.
// There is no dedicated section for 4 byte strings.
- if (SMO.getType() == MachO::S_CSTRING_LITERALS)
+ 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")
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