Imported Upstream version 6.0.0.172

Former-commit-id: f3cc9b82f3e5bd8f0fd3ebc098f789556b44e9cd

external/llvm/test/Linker/comdat-rm-dst.ll

@@ -0,0 +1,33 @@
+; RUN: llvm-link -S -o %t %s %p/Inputs/comdat-rm-dst.ll
+; RUN: FileCheck %s < %t
+; RUN: FileCheck --check-prefix=RM %s < %t
+
+target datalayout = "e-m:w-p:32:32-i64:64-f80:32-n8:16:32-S32"
+target triple = "i686-pc-windows-msvc"
+
+$foo = comdat largest
+@foo = global i32 42, comdat
+; CHECK-DAG: @foo = global i64 43, comdat
+
+; RM-NOT: @alias =
+@alias = alias i32, i32* @foo
+
+; We should arguably reject an out of comdat reference to int_alias. Given that
+; the verifier accepts it, test that we at least produce an output that passes
+; the verifier.
+; CHECK-DAG: @int_alias = external global i32
+@int_alias = internal alias i32, i32* @foo
+@bar = global i32* @int_alias
+
+@func_alias = alias void (), void ()* @func
+@zed = global void()* @func_alias
+; CHECK-DAG: @zed = global void ()* @func_alias
+; CHECK-DAG: declare void @func_alias()
+
+; RM-NOT: @func()
+define void @func() comdat($foo) {
+  ret void
+}
+
+; RM-NOT: var
+@var = global i32 42, comdat($foo)