1 ; RUN: opt < %s -argpromotion -S
4 ; When we promote two arguments in a single function with different types,
5 ; before the fix, we used the same tag for the newly-created two loads.
6 ; This testing case makes sure that we correctly transfer the tbaa tags from the
7 ; original loads to the newly-created loads when promoting pointer arguments.
9 @a = global i32* null, align 8
10 @e = global i32** @a, align 8
11 @g = global i32 0, align 4
12 @c = global i64 0, align 8
13 @d = global i8 0, align 1
15 define internal fastcc void @fn(i32* nocapture readonly %p1, i64* nocapture readonly %p2) {
17 %0 = load i64, i64* %p2, align 8, !tbaa !1
18 %conv = trunc i64 %0 to i32
19 %1 = load i32, i32* %p1, align 4, !tbaa !5
20 %conv1 = trunc i32 %1 to i8
21 store i8 %conv1, i8* @d, align 1, !tbaa !7
28 ; CHECK: store i32 1, i32* %{{.*}}, align 4, !tbaa ![[I32:[0-9]+]]
29 ; CHECK: %g.val = load i32, i32* @g, align 4, !tbaa ![[I32]]
30 ; CHECK: %c.val = load i64, i64* @c, align 8, !tbaa ![[LONG:[0-9]+]]
31 %0 = load i32**, i32*** @e, align 8, !tbaa !8
32 store i32* @g, i32** %0, align 8, !tbaa !8
33 %1 = load i32*, i32** @a, align 8, !tbaa !8
34 store i32 1, i32* %1, align 4, !tbaa !5
35 call fastcc void @fn(i32* @g, i64* @c)
41 !2 = !{!"long", !3, i64 0}
42 !3 = !{!"omnipotent char", !4, i64 0}
43 !4 = !{!"Simple C/C++ TBAA"}
45 !6 = !{!"int", !3, i64 0}
48 !9 = !{!"any pointer", !3, i64 0}
49 ; CHECK: ![[I32]] = !{![[I32_TYPE:[0-9]+]], ![[I32_TYPE]], i64 0}
50 ; CHECK: ![[I32_TYPE]] = !{!"int", !{{.*}}, i64 0}
51 ; CHECK: ![[LONG]] = !{![[LONG_TYPE:[0-9]+]], ![[LONG_TYPE]], i64 0}
52 ; CHECK: ![[LONG_TYPE]] = !{!"long", !{{.*}}, i64 0}