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-rw-r--r--llvm/lib/IR/AutoUpgrade.cpp29
1 files changed, 29 insertions, 0 deletions
diff --git a/llvm/lib/IR/AutoUpgrade.cpp b/llvm/lib/IR/AutoUpgrade.cpp
index e190b201ccc..07d499bc193 100644
--- a/llvm/lib/IR/AutoUpgrade.cpp
+++ b/llvm/lib/IR/AutoUpgrade.cpp
@@ -2448,6 +2448,35 @@ bool llvm::UpgradeModuleFlags(Module &M) {
return Changed;
}
+void llvm::UpgradeSectionAttributes(Module &M) {
+ auto TrimSpaces = [](StringRef Section) -> std::string {
+ SmallVector<StringRef, 5> Components;
+ Section.split(Components, ',');
+
+ SmallString<32> Buffer;
+ raw_svector_ostream OS(Buffer);
+
+ for (auto Component : Components)
+ OS << ',' << Component.trim();
+
+ return OS.str().substr(1);
+ };
+
+ for (auto &GV : M.globals()) {
+ if (!GV.hasSection())
+ continue;
+
+ StringRef Section = GV.getSection();
+
+ if (!Section.startswith("__DATA, __objc_catlist"))
+ continue;
+
+ // __DATA, __objc_catlist, regular, no_dead_strip
+ // __DATA,__objc_catlist,regular,no_dead_strip
+ GV.setSection(TrimSpaces(Section));
+ }
+}
+
static bool isOldLoopArgument(Metadata *MD) {
auto *T = dyn_cast_or_null<MDTuple>(MD);
if (!T)
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