1 ; RUN: opt < %s -enable-tbaa -tbaa -basicaa -gvn -S | FileCheck %s
5 define i8 @test0_yes(i8* %a, i8* %b) nounwind {
6 %x = load i8* %a, !tbaa !1
7 store i8 0, i8* %b, !tbaa !2
8 %y = load i8* %a, !tbaa !1
14 ; CHECK: add i8 %x, %y
15 define i8 @test0_no(i8* %a, i8* %b) nounwind {
16 %x = load i8* %a, !tbaa !3
17 store i8 0, i8* %b, !tbaa !4
18 %y = load i8* %a, !tbaa !3
24 ; CHECK: add i8 %x, %x
25 define i8 @test1_yes(i8* %a, i8* %b) nounwind {
26 %x = load i8* %a, !tbaa !5
28 %y = load i8* %a, !tbaa !5
34 ; CHECK: add i8 %x, %y
35 define i8 @test1_no(i8* %a, i8* %b) nounwind {
36 %x = load i8* %a, !tbaa !6
38 %y = load i8* %a, !tbaa !6
46 !1 = metadata !{ metadata !"foo", metadata !0 }
47 ; Some other non-aliasing type.
48 !2 = metadata !{ metadata !"bar", metadata !0 }
51 !3 = metadata !{ metadata !"foo", metadata !0 }
52 ; Some type in a different type system.
53 !4 = metadata !{ metadata !"bar", metadata !"different" }
56 !5 = metadata !{ metadata !"qux", metadata !0, i1 1 }
57 ; Not invariant memory.
58 !6 = metadata !{ metadata !"qux", metadata !0, i1 0 }