1 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --function-signature --scrub-attributes
2 ; RUN: opt < %s -argpromotion -S | FileCheck %s
3 ; RUN: opt < %s -passes=argpromotion -S | FileCheck %s
6 ; When we promote two arguments in a single function with different types,
7 ; before the fix, we used the same tag for the newly-created two loads.
8 ; This testing case makes sure that we correctly transfer the tbaa tags from the
9 ; original loads to the newly-created loads when promoting pointer arguments.
11 @a = global i32* null, align 8
12 @e = global i32** @a, align 8
13 @g = global i32 0, align 4
14 @c = global i64 0, align 8
15 @d = global i8 0, align 1
17 define internal fastcc void @fn(i32* nocapture readonly %p1, i64* nocapture readonly %p2) {
18 ; CHECK-LABEL: define {{[^@]+}}@fn
19 ; CHECK-SAME: (i32 [[P1_VAL:%.*]], i64 [[P2_VAL:%.*]])
21 ; CHECK-NEXT: [[CONV:%.*]] = trunc i64 [[P2_VAL]] to i32
22 ; CHECK-NEXT: [[CONV1:%.*]] = trunc i32 [[P1_VAL]] to i8
23 ; CHECK-NEXT: store i8 [[CONV1]], i8* @d, align 1, !tbaa !0
24 ; CHECK-NEXT: ret void
27 %0 = load i64, i64* %p2, align 8, !tbaa !1
28 %conv = trunc i64 %0 to i32
29 %1 = load i32, i32* %p1, align 4, !tbaa !5
30 %conv1 = trunc i32 %1 to i8
31 store i8 %conv1, i8* @d, align 1, !tbaa !7
36 ; CHECK-LABEL: define {{[^@]+}}@main()
38 ; CHECK-NEXT: [[TMP0:%.*]] = load i32**, i32*** @e, align 8, !tbaa !3
39 ; CHECK-NEXT: store i32* @g, i32** [[TMP0]], align 8, !tbaa !3
40 ; CHECK-NEXT: [[TMP1:%.*]] = load i32*, i32** @a, align 8, !tbaa !3
41 ; CHECK-NEXT: store i32 1, i32* [[TMP1]], align 4, !tbaa !5
42 ; CHECK-NEXT: [[G_VAL:%.*]] = load i32, i32* @g, align 4, !tbaa !5
43 ; CHECK-NEXT: [[C_VAL:%.*]] = load i64, i64* @c, align 8, !tbaa !7
44 ; CHECK-NEXT: call fastcc void @fn(i32 [[G_VAL]], i64 [[C_VAL]])
45 ; CHECK-NEXT: ret i32 0
48 %0 = load i32**, i32*** @e, align 8, !tbaa !8
49 store i32* @g, i32** %0, align 8, !tbaa !8
50 %1 = load i32*, i32** @a, align 8, !tbaa !8
51 store i32 1, i32* %1, align 4, !tbaa !5
52 call fastcc void @fn(i32* @g, i64* @c)
58 !2 = !{!"long", !3, i64 0}
59 !3 = !{!"omnipotent char", !4, i64 0}
60 !4 = !{!"Simple C/C++ TBAA"}
62 !6 = !{!"int", !3, i64 0}
65 !9 = !{!"any pointer", !3, i64 0}