; situations
; RUN: llvm-as < %s | llvm-dis | FileCheck %s
-; RUN: verify-uselistorder %s -preserve-bc-use-list-order
+; RUN: verify-uselistorder %s
; Even give it a datalayout, to tempt folding as much as possible.
target datalayout = "p:32:32"
; icmp should return true. It's not valid to *dereference* in @B from a pointer
; based on @A, but icmp isn't a dereference.
-; CHECK: @C = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* @B)
-@C = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* @B)
+; CHECK: @C = global i1 icmp eq (i64* getelementptr inbounds (i64, i64* @A, i64 1), i64* @B)
+@C = global i1 icmp eq (i64* getelementptr inbounds (i64, i64* @A, i64 1), i64* @B)
; Don't fold this completely away either. In theory this could be simplified
; to only use a gep on one side of the icmp though.
-; CHECK: @D = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* getelementptr inbounds (i64* @B, i64 2))
-@D = global i1 icmp eq (i64* getelementptr inbounds (i64* @A, i64 1), i64* getelementptr inbounds (i64* @B, i64 2))
+; CHECK: @D = global i1 icmp eq (i64* getelementptr inbounds (i64, i64* @A, i64 1), i64* getelementptr inbounds (i64, i64* @B, i64 2))
+@D = global i1 icmp eq (i64* getelementptr inbounds (i64, i64* @A, i64 1), i64* getelementptr inbounds (i64, i64* @B, i64 2))
; CHECK: @E = global i64 addrspace(1)* addrspacecast (i64* @A to i64 addrspace(1)*)
@E = global i64 addrspace(1)* addrspacecast(i64* @A to i64 addrspace(1)*)
; Don't add an inbounds on @weak.gep, since @weak may be null.
-; CHECK: @weak.gep = global i32* getelementptr (i32* @weak, i32 1)
-@weak.gep = global i32* getelementptr (i32* @weak, i32 1)
+; CHECK: @weak.gep = global i32* getelementptr (i32, i32* @weak, i32 1)
+@weak.gep = global i32* getelementptr (i32, i32* @weak, i32 1)
@weak = extern_weak global i32
+; An object with weak linkage cannot have it's identity determined at compile time.
+; CHECK: @F = global i1 icmp eq (i32* @weakany, i32* @glob)
+@F = global i1 icmp eq (i32* @weakany, i32* @glob)
+@weakany = weak global i32 0
+
+; Empty globals might end up anywhere, even on top of another global.
+; CHECK: @empty.cmp = global i1 icmp eq ([0 x i8]* @empty.1, [0 x i8]* @empty.2)
+@empty.1 = external global [0 x i8], align 1
+@empty.2 = external global [0 x i8], align 1
+@empty.cmp = global i1 icmp eq ([0 x i8]* @empty.1, [0 x i8]* @empty.2)
+
; Don't add an inbounds on @glob.a3, since it's not inbounds.
-; CHECK: @glob.a3 = alias getelementptr (i32* @glob.a2, i32 1)
+; CHECK: @glob.a3 = alias getelementptr (i32, i32* @glob.a2, i32 1)
@glob = global i32 0
-@glob.a3 = alias getelementptr (i32* @glob.a2, i32 1)
-@glob.a2 = alias getelementptr (i32* @glob.a1, i32 1)
+@glob.a3 = alias getelementptr (i32, i32* @glob.a2, i32 1)
+@glob.a2 = alias getelementptr (i32, i32* @glob.a1, i32 1)
@glob.a1 = alias i32* @glob