Ignore llvm.* globals.

It is not clear if llvm.global_ctors should or should not be in llvm.metadata,
but in practice it is not and we need to ignore it for LTO.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@212351 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Object/IRObjectFile.cpp b/lib/Object/IRObjectFile.cpp
index e927447739ebd46bc15ba23d229a9d69266200aa..62eaac7a2f06dbaea3c91ee2421e565ee8ad8ed5 100644 (file)
--- a/lib/Object/IRObjectFile.cpp
+++ b/lib/Object/IRObjectFile.cpp
@@ -238,16 +238,13 @@ uint32_t IRObjectFile::getSymbolFlags(DataRefImpl Symb) const {
   if (GV->hasLinkOnceLinkage() || GV->hasWeakLinkage())
     Res |= BasicSymbolRef::SF_Weak;
 
-  if (auto *Var = dyn_cast<GlobalVariable>(GV)) {
+  if (GV->getName().startswith("llvm."))
+    Res |= BasicSymbolRef::SF_FormatSpecific;
+  else if (auto *Var = dyn_cast<GlobalVariable>(GV)) {
     if (Var->getSection() == StringRef("llvm.metadata"))
       Res |= BasicSymbolRef::SF_FormatSpecific;
   }
 
-  if (auto *F = dyn_cast<Function>(GV)) {
-    if (F->getName().startswith("llvm."))
-      Res |= BasicSymbolRef::SF_FormatSpecific;
-  }
-
   return Res;
 }
 

diff --git a/test/Object/Inputs/trivial.ll b/test/Object/Inputs/trivial.ll
index 622d1e97f1e358c692fa01d4024213c6582e707d..463442eb90ac6e9de84a8132c6e818b82cd40e4f 100644 (file)
--- a/test/Object/Inputs/trivial.ll
+++ b/test/Object/Inputs/trivial.ll
@@ -13,3 +13,4 @@ declare void @SomeOtherFunction(...)
 
 @var = global i32 0
 @llvm.used = appending global [1 x i8*] [i8* bitcast (i32* @var to i8*)], section "llvm.metadata"
+@llvm.global_ctors = appending global [1 x { i32, void ()*, i8* }] [{ i32, void ()*, i8* } { i32 65535, void ()* null, i8* null }]