From: Michael Kuperstein <michael.m.kuperstein@intel.com>
Date: Sun, 15 Dec 2013 11:50:45 +0000 (+0000)
Subject: Ensure bitcode encoding of global variable attributes stays stable. Patch by Boaz... 
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=3b47b2461776c2bda066e812f515244bdb643f38;p=oota-llvm.git

Ensure bitcode encoding of global variable attributes stays stable. Patch by Boaz Ouriel.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@197340 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/test/Bitcode/global-variables.3.2.ll b/test/Bitcode/global-variables.3.2.ll
new file mode 100644
index 00000000000..549d025549b
--- /dev/null
+++ b/test/Bitcode/global-variables.3.2.ll
@@ -0,0 +1,41 @@
+; RUN:  llvm-dis < %s.bc| FileCheck %s
+
+; global-variables.3.2.ll.bc was generated by passing this file to llvm-as-3.2.
+; The test checks that LLVM does not silently misread global variables attributes of
+; older bitcode files.
+
+@global.var = global i32 1
+; CHECK: @global.var = global i32 1
+
+@constant.var = constant i32 1
+; CHECK: @constant.var = constant i32 1
+
+@noinit.var = global float undef
+; CHECK: @noinit.var = global float undef
+
+@section.var = global i32 1, section "foo"
+; CHECK: @section.var = global i32 1, section "foo"
+
+@align.var = global i64 undef, align 8
+; CHECK: @align.var = global i64 undef, align 8
+
+@unnamed_addr.var = unnamed_addr global i8 1
+; CHECK: @unnamed_addr.var = unnamed_addr global i8 1
+
+@default_addrspace.var = addrspace(0) global i8 1 
+; CHECK: @default_addrspace.var = global i8 1 
+
+@non_default_addrspace.var = addrspace(1) global i8* undef 
+; CHECK: @non_default_addrspace.var = addrspace(1) global i8* undef 
+
+@initialexec.var = thread_local(initialexec) global i32 0, align 4
+; CHECK: @initialexec.var = thread_local(initialexec) global i32 0, align 4
+
+@localdynamic.var = thread_local(localdynamic) constant i32 0, align 4
+; CHECK: @localdynamic.var = thread_local(localdynamic) constant i32 0, align 4
+
+@localexec.var = thread_local(localexec) constant i32 0, align 4
+; CHECK: @localexec.var = thread_local(localexec) constant i32 0, align 4
+
+@string.var = private unnamed_addr constant [13 x i8] c"hello world\0A\00"
+; CHECK: @string.var = private unnamed_addr constant [13 x i8] c"hello world\0A\00"
diff --git a/test/Bitcode/global-variables.3.2.ll.bc b/test/Bitcode/global-variables.3.2.ll.bc
new file mode 100644
index 00000000000..c105f2fb183
Binary files /dev/null and b/test/Bitcode/global-variables.3.2.ll.bc differ