Clarify that llvm.used can contain aliases.

Also add a check for llvm.used in the verifier and simplify clients now that
they can assume they have a ConstantArray.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@180019 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/include/llvm/CodeGen/AsmPrinter.h b/include/llvm/CodeGen/AsmPrinter.h
index e0a6e3f402..f2b0f9be96 100644
--- a/include/llvm/CodeGen/AsmPrinter.h
+++ b/include/llvm/CodeGen/AsmPrinter.h
@@ -25,6 +25,7 @@ namespace llvm {
   class BlockAddress;
   class GCStrategy;
   class Constant;
+  class ConstantArray;
   class GCMetadataPrinter;
   class GlobalValue;
   class GlobalVariable;
@@ -480,7 +481,7 @@ namespace llvm {
     void EmitJumpTableEntry(const MachineJumpTableInfo *MJTI,
                             const MachineBasicBlock *MBB,
                             unsigned uid) const;
-    void EmitLLVMUsedList(const Constant *List);
+    void EmitLLVMUsedList(const ConstantArray *InitList);
     void EmitXXStructorList(const Constant *List, bool isCtor);
     GCMetadataPrinter *GetOrCreateGCPrinter(GCStrategy *C);
   };