Add unnamed_addr when creating artificial string globals. For example, in

static const char foo[] = "foo";
static const char *bar = "bar";

the global created to hold "bar" will have it, but foo will not.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@123192 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/darwin-string-literals.c b/test/CodeGen/darwin-string-literals.c
index 8734295..d605cc0 100644
--- a/test/CodeGen/darwin-string-literals.c
+++ b/test/CodeGen/darwin-string-literals.c
@@ -1,12 +1,12 @@
 // RUN: %clang_cc1 -triple i386-apple-darwin9 -emit-llvm %s -o - | FileCheck -check-prefix LSB %s
 
-// CHECK-LSB: @.str = private constant [8 x i8] c"string0\00"
+// CHECK-LSB: @.str = private unnamed_addr constant [8 x i8] c"string0\00"
 // CHECK-LSB: @.str1 = private constant [8 x i8] c"string1\00"
 // CHECK-LSB: @.str2 = internal constant [36 x i8] c"h\00e\00l\00l\00o\00 \00\92! \00\03& \00\90! \00w\00o\00r\00l\00d\00\00\00", align 2
 
 // RUN: %clang_cc1 -triple powerpc-apple-darwin9 -emit-llvm %s -o - | FileCheck -check-prefix MSB %s
 
-// CHECK-MSB: @.str = private constant [8 x i8] c"string0\00"
+// CHECK-MSB: @.str = private unnamed_addr constant [8 x i8] c"string0\00"
 // CHECK-MSB: @.str1 = private constant [8 x i8] c"string1\00"
 // CHECK-MSB: @.str2 = internal constant [36 x i8] c"\00h\00e\00l\00l\00o\00 !\92\00 &\03\00 !\90\00 \00w\00o\00r\00l\00d\00\00", align 2