From 4fc603ded3efb5d238f9355458a5722a7bf54e59 Mon Sep 17 00:00:00 2001
From: Peter Collingbourne <peter@pcc.me.uk>
Date: Wed, 17 Jun 2015 18:31:02 +0000
Subject: [PATCH] LowerBitSets: Do not assign names to aliases of unnamed
 bitset element objects.

The restriction on unnamed aliases was removed in r239921. Mostly reverts
r239590, but we keep the test.

llvm-svn: 239923
---
 llvm/lib/Transforms/IPO/LowerBitSets.cpp     | 5 ++---
 llvm/test/Transforms/LowerBitSets/unnamed.ll | 3 ++-
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/llvm/lib/Transforms/IPO/LowerBitSets.cpp b/llvm/lib/Transforms/IPO/LowerBitSets.cpp
index dec583b0e2df1..bffeebb6e2edc 100644
--- a/llvm/lib/Transforms/IPO/LowerBitSets.cpp
+++ b/llvm/lib/Transforms/IPO/LowerBitSets.cpp
@@ -556,9 +556,8 @@ void LowerBitSets::buildBitSetsFromGlobals(
     } else {
       GlobalAlias *GAlias =
           GlobalAlias::create(Globals[I]->getType(), Globals[I]->getLinkage(),
-                              "data", CombinedGlobalElemPtr, M);
-      if (Globals[I]->hasName())
-        GAlias->takeName(Globals[I]);
+                              "", CombinedGlobalElemPtr, M);
+      GAlias->takeName(Globals[I]);
       Globals[I]->replaceAllUsesWith(GAlias);
     }
     Globals[I]->eraseFromParent();
diff --git a/llvm/test/Transforms/LowerBitSets/unnamed.ll b/llvm/test/Transforms/LowerBitSets/unnamed.ll
index 5ff0453391a56..6f108e22d02da 100644
--- a/llvm/test/Transforms/LowerBitSets/unnamed.ll
+++ b/llvm/test/Transforms/LowerBitSets/unnamed.ll
@@ -2,7 +2,8 @@
 
 target datalayout = "e-p:32:32"
 
-; CHECK: @data ={{.*}} alias
+; CHECK: @{{[0-9]+}} = alias
+; CHECK: @{{[0-9]+}} = alias
 @0 = constant i32 1
 @1 = constant [2 x i32] [i32 2, i32 3]