implement a new magic global "llvm.compiler.used" which is like llvm.used, but
doesn't cause ".no_dead_strip" to be emitted on darwin.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@76399 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/test/CodeGen/X86/compiler_used.ll b/test/CodeGen/X86/compiler_used.ll
new file mode 100644
index 0000000..b67bc36
--- /dev/null
+++ b/test/CodeGen/X86/compiler_used.ll
@@ -0,0 +1,9 @@
+; RUN: llvm-as < %s | llc -mtriple=i386-apple-darwin9 | grep no_dead_strip | count 1
+; We should have a .no_dead_strip directive for Z but not for X/Y.
+
+@X = internal global i8 4
+@Y = internal global i32 123
+@Z = internal global i8 4
+
+@llvm.used = appending global [1 x i8*] [ i8* @Z ], section "llvm.metadata"
+@llvm.compiler_used = appending global [2 x i8*] [ i8* @X, i8* bitcast (i32* @Y to i8*)], section "llvm.metadata"