vendor/llvm-project/llvmorg-15-init-16436-g18a6ab5b8d1f

1 files changed, 7 insertions, 0 deletions

diff --git a/llvm/lib/Target/TargetLoweringObjectFile.cpp b/llvm/lib/Target/TargetLoweringObjectFile.cpp
index 8f633adbb9ef..29cc2840310d 100644
--- a/llvm/lib/Target/TargetLoweringObjectFile.cpp
+++ b/llvm/lib/Target/TargetLoweringObjectFile.cpp
@@ -240,6 +240,13 @@ SectionKind TargetLoweringObjectFile::getKindForGlobal(const GlobalObject *GO,
     return SectionKind::getBSS();
   }
 
+  // Global variables with '!exclude' should get the exclude section kind if
+  // they have an explicit section and no other metadata.
+  if (GVar->hasSection())
+    if (MDNode *MD = GVar->getMetadata(LLVMContext::MD_exclude))
+      if (!MD->getNumOperands())
+        return SectionKind::getExclude();
+
   // If the global is marked constant, we can put it into a mergable section,
   // a mergable string section, or general .data if it contains relocations.
   if (GVar->isConstant()) {