Simplify removing empty output sections.

With this the meaning of the Live bit in output sections is clear: we
have at some point added a input section into it.

llvm-svn: 326401

1 files changed, 0 insertions, 19 deletions

diff --git a/lld/ELF/OutputSections.cpp b/lld/ELF/OutputSections.cpp
index 9b8ea2bb461..9d5ebe5fea7 100644
--- a/lld/ELF/OutputSections.cpp
+++ b/lld/ELF/OutputSections.cpp
@@ -78,25 +78,6 @@ OutputSection::OutputSection(StringRef Name, uint32_t Type, uint64_t Flags)
   Live = false;
 }
 
-bool OutputSection::isAllSectionDescription() const {
-  // We do not remove empty sections that are explicitly
-  // assigned to any segment.
-  if (!Phdrs.empty())
-    return false;
-
-  // We do not want to remove sections that have custom address or align
-  // expressions set even if them are empty. We keep them because we
-  // want to be sure that any expressions can be evaluated and report
-  // an error otherwise.
-  if (AddrExpr || AlignExpr || LMAExpr)
-    return false;
-
-  for (BaseCommand *Base : SectionCommands)
-    if (!isa<InputSectionDescription>(*Base))
-      return false;
-  return true;
-}
-
 // We allow sections of types listed below to merged into a
 // single progbits section. This is typically done by linker
 // scripts. Merging nobits and progbits will force disk space